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HomeMy WebLinkAbout20080868 Ver 2_Appendix H Fish_20210701APPENDIX H Raw Fisheries and Water Quality Data Collected at the 15 Monitored Creeks in April, May, and June of 2020 (Data only on CD) Table H-1. Species abundance and percent of total finfish catch collected in 2020 at Broomfield Swamp Creek, SCUT1, Jacks Creek, Little Creek, Jacobs Creek, PA2, Drinkwater Creek, Long Creek, Tooley Creek, Muddy Creek, Huddles Cut, Porter Creek, DCUT11, DCUT19, and Duck Creek. Common name Scientific name Broomfield Swamp Creek SCUT1 Jacks Creek Little Creek Jacobs Creek PA2 Drinkwater Creek Long Creek Tooley Creek Muddy Huddles Cut Porter Creek DCUT11 DCUT19 Duck Creek N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch American eel Anguilla rostrata - - - - 2 0.07 - - 2 0.04 1 0.02 1 0.03 - - - - - - 4 0.01 - - 1 0.04 - - - - Atlantic croaker Micropogonias undulatus 14 9.86 315 24.82 190 6.34 513 16.89 410 8.01 2 0.03 383 9.89 1,388 56.33 802 25.47 729 32.65 28 0.06 1,956 44.20 - - - - 2,038 39.57 Atlantic menhaden Brevoortia tyrannus - - 3 0.24 207 6.91 34 1.12 14 0.27 2 0.03 9 0.23 73 2.96 160 5.08 57 2.55 777 1.69 328 7.41 - - - - 71 1.38 Atlantic needlefish Strongylura marina - - - - 1 0.03 Atlantic silverside Menidia menidia - - - - - - - - 62 1.21 8 0.13 1 0.01 - - Atlantic stingray Hypanus sabinus Banded killifish' Fundulus diaphanus 1 0.04 - - - - Bay anchovy Anchoa mitchilli 72 50.70 56 4.41 40 1.34 76 2.50 241 4.71 51 0.83 399 10.30 312 12.66 545 17.31 136 6.09 234 0.51 969 21.90 - - 3 0.03 237 4.60 Black crappies Pomoxis nigromaculatus 4 2.82 4 0.32 Bluefish Pomatomus saltarix - - - - - - 3 0.10 Bluegilla Lepomis macrochirus 23 16.20 5 0.39 67 2.24 - - - - 2 0.03 7 0.18 - - - - 1 0.04 3 0.01 - - 1 0.04 5 0.04 1 0.02 Bluespotted sunfish' Enneacanthus gloriosus Bowfin' Amia calve 1 0.70 Brown bullheads Ameiums nebulosus - - - - - - - - - - 2 0.03 6 0.12 Chain pipefish Syngnathus louisianae 1 0.03 Chain pickerels Esoxniger Common carps Cyprinus carpio Dusky pipefish Syngnathus floridae Eastern mosquitofisha Gambusia holbrooki - - - - - - - - - - 2 0.03 1 0.03 - - - - - - 19 0.04 - - 154 6.10 266 2.37 - - Fliera Centrarchus macroptems Gizzard shad Dorosoma cepedianum - - - - 1 0.03 1 0.03 1 0.02 1 0.02 - - - - - - - - 3 0.01 - - - - - - - - Golden shiners Notemigonus crysoleucas 8 0.32 - - - - Green goby Microgobius thalassinus - - - - - - - - 5 0.10 - - 2 0.05 1 0.04 6 0.19 Hogchoker Trinectes maculatus 3 2.11 1 0.08 9 0.30 1 0.03 7 0.14 1 0.02 2 0.05 - - 5 0.16 1 0.04 - - 4 0.09 - - - - 5 0.10 Hybrid striped bass Morone chrysops x M.saxatillis 1 0.00 - - - - - - - - Inland silverside Menidia beryllina 1 0.70 - - 151 5.04 13 0.43 53 1.04 242 3.94 103 2.66 - - 2 0.06 1 0.04 83 0.18 1 0.02 34 1.35 3 0.03 32 0.62 Ladyfish Elops saurus - - 6 0.47 - - 3 0.10 - - - - - - 1 0.04 3 0.10 3 0.13 - - - - - - 1 0.01 1 0.02 Largemouth bass' Micropterus salmoides - - - - - - 1 0.03 - - 1 0.02 2 0.08 - - - - Longnose gars Lepisosteus osseus 1 0.70 4 0.16 - - - - Mummichog Fundulus heteroclitus - - - - - - 1 0.03 - - 1 0.02 - - - - - - - - 34,130 74.43 - - 684 27.10 5,247 46.71 - - Naked goby Gobiosoma bosci - - - - 3 0.10 20 0.66 11 0.21 54 0.88 19 0.49 - - 5 0.16 74 3.31 9 0.02 - - 1 0.04 - - - - Northern pipefish Syngnathus springers - - - - 5 0.17 4 0.13 30 0.59 - - 15 0.39 - - 5 0.16 - - 1 0.00 1 0.02 - - - - - - Pinfish Lagodon rhomboides - - - - 29 0.97 21 0.69 105 2.05 147 2.39 87 2.25 1 0.04 8 0.25 45 2.02 159 0.35 - - - - - - 2 0.04 Pumpkinseeds Rainwater killifish Lepomis gibbosus Lucaniaparva 3 - 2.11 - - - - - 15 28 0.50 0.93 1 4 0.03 0.13 1 51 0.02 1.00 17 1,519 0.28 24.72 1 274 0.03 7.08 - - - - - 1 - 0.03 - - - - 3 11 0.01 0.02 - - - - 401 70 15.89 2.77 321 527 2.86 4.69 - 2 0.04 Red Drum Sciaenops ocellatus 56 0.12 - - - - - - - - Redfin pickerels Esoxamericanus 3 0.12 - - - - Sheepshead minnow Cyprinodon variegatus - - - - - - - - - - 2 0.03 - - - - - - - - 53 0.12 - - 91 3.61 3,453 30.74 - - Silver perch Bairdiella chrysoura 1 - - - - - - - - - Southem flounder Paralichthys lethostigma - - - - 5 0.17 6 0.20 14 0.27 1 0.02 3 0.08 4 0.16 15 0.48 9 0.40 37 0.08 10 0.23 - - - - 5 0.10 Spot Leiostomusxanthurus 19 13.38 876 69.03 2,228 74.39 2,334 76.85 4,111 80.31 4,088 66.54 2,565 66.24 682 27.68 1,592 50.56 1,177 52.71 9,982 21.77 1,155 26.10 1,056 41.84 1,348 12.00 2,723 52.87 Spotted seatrout Cynoscion nebulosus Striped mullet Summer flounder Mugil cephalus Paralichthysdentatus - - - - 13 0.43 2 0.08 - - - - 251 1 0.55 0.00 - - - - 13 - 0.52 - 58 - 0.52 - - 2 0.04 Sunfish' Lepomis sp. 1 - - - - - - - - - Warmoutha Lepomis gulosus White catfish' Ameiurus catus 1 0.02 - - - - 25 0.49 White crappies Pomoxis annularis 1 0.70 1 0.08 White perch Morone americanus - - 2 0.16 1 0.03 1 0.03 1 0.02 - - - - - - - - - - 9 0.02 - - - - - - - - Yellow bullheads Ameiums natalis Yellow perch' Perca flavescens Total 142 100.00 1,269 100.00 2,995 100.00 3,037 100.00 5,119 100.00 6,144 100.00 3,872 100.00 2,464 100.00 3,149 100.00 2,233 100.00 45,856 100.00 4,425 100.00 2,524 100.00 11,233 100.00 5,150 100.00 'Predominantly freshwater species = No catch H-1 Table H-2. Fully enumerated list of all fish captured while trawling at Broomfield Swamp Creek in April, May, and June 2020. Common Name Species 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 16-Jun 26-Jun Total Atlantic croaker Micropogonias undulatus 1 0 5 0 0 4 0 4 0 0 0 0 0 14 Bay anchovy Anchoa mitchilli 0 0 0 3 14 1 33 21 0 0 0 0 0 72 Black crappies Pomoxis nigromaculatus 0 0 0 0 0 0 0 0 0 0 0 0 4 4 Bluegilla Lepomis macrochirus 2 5 2 3 1 6 1 0 0 1 0 0 2 23 Bowfin' Amia calva 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Hogchoker Trinectes maculatus 1 0 0 0 0 0 0 1 0 0 0 1 0 3 Inland silverside Menidia beryllina 0 0 0 0 0 0 0 1 0 0 0 0 0 1 Longnose gars Lepisosteus osseus 0 0 1 0 0 0 0 0 0 0 0 0 0 1 Pumpkinseeds Lepomis gibbosus 1 0 0 0 0 1 1 0 0 0 0 0 0 3 Spot Leiostomus xanthurus 1 1 0 1 0 8 2 6 0 0 0 0 0 19 White crappies Pomoxis annularis 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Total 6 6 8 7 15 20 37 33 0 3 0 1 6 142 a Freshwater species. Table H-3. Hydrographic parameters measured at Broomfield Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 16-Jun 26-Jun Near surface Temperature (*C) 19.1 19.4 17.9 20.3 20.3 19.2 20.8 18.9 27.3 27.1 26.8 20.6 27.9 Dissolved oxygen (%) 63.8 50.9 40.3 45.1 42.7 40.4 49.0 51.1 32.1 51.5 26.3 69.0 38.1 Dissolved oxygen (mg/I) 6.3 9.6 3.8 4.0 3.8 3.6 4.4 4.8 2.8 4.5 2.1 6.1 2.9 Conductivity (mS) 2.8 3.5 2.3 2.5 4.6 7.0 5.5 1.1 0.7 0.4 4.5 0.4 0.3 Specific conductivity (mS) 2.8 3.9 2.7 2.7 4.8 7.9 5.9 1.2 0.7 0.4 4.3 0.5 0.3 Salinity (psu) 1.5 2.1 1.4 1.4 2.7 4.4 3.2 0.6 0.4 0.2 2.3 0.2 0.1 pH 6.9 6.7 7.1 6.7 6.7 6.8 7.1 6.8 3.5 6.4 6.5 6.6 6.7 Secchi depth (inches) 8.5 23.5 10.0 25.0 34.0 32.5 13.0 14.0 16.5 9.5 16.5 10.5 13.0 Water depth (inches) 36.0 92.0 93.0 92.0 87.5 82.0 81.3 92.8 96.0 74.5 79.5 80.0 78.5 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 16.7 18.0 17.7 12.8 19.2 19.6 19.3 20.9 21.7 22.6 26.9 19.9 25.1 Dissolved oxygen (%) 16.7 27.4 43.7 31.0 47.4 39.7 34.5 29.1 7.9 20.7 22.0 55.4 21.0 Dissolved oxygen (mg/I) 1.9 2.5 4.2 2.8 4.2 3.6 3.1 2.5 0.7 1.7 0.2 5.1 1.7 Conductivity (mS) 2.8 3.6 3.8 6.1 8.7 7.5 7.9 6.2 8.7 0.4 9.8 0.7 0.4 Specific conductivity (mS) 2.3 4.2 4.4 7.1 9.8 8.3 8.9 6.7 9.3 0.4 10.2 0.8 0.5 Salinity (psu) 6.9 2.2 2.4 3.9 5.6 4.6 5.0 3.7 5.2 3.1 5.5 0.4 0.2 pH 6.5 6.6 6.9 6.6 6.5 6.7 6.0 6.6 6.1 6.2 6.6 6.5 6.6 Table H-4. Fully enumerated list of all fish captured while trawling at SCUT1 in April, May, and June 2020. Common Name Species 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 16-Jun 26-Jun Total Atlantic croaker Micropogonias undulatus 7 10 42 91 25 54 11 36 31 7 0 1 0 315 Atlantic menhaden Brevoortia tyrannus 0 0 0 1 0 0 0 0 0 2 0 0 0 3 Bay anchovy Anchoa mitchilli 0 1 1 21 6 20 7 0 0 0 0 0 0 56 Black crappies Pomoxis nigromaculatus 0 0 0 0 0 0 0 0 0 0 0 0 4 4 Bluegilla Lepomis macrochirus 2 0 1 0 0 0 0 0 0 2 0 0 0 5 Hogchoker Trinectes maculatus 0 0 0 0 0 0 0 0 0 0 0 1 0 1 Ladyfish Elops saurus 0 0 0 0 1 0 0 1 0 0 0 4 0 6 Spot Leiostomus xanthurus 22 113 2 306 114 78 132 87 6 16 0 0 0 876 White crappies Pomoxis annularis 0 0 0 0 0 0 0 0 1 0 0 0 0 1 White perch Morone americana 1 0 0 0 0 0 0 0 0 1 0 0 0 2 Total 32 124 46 419 146 152 150 124 38 28 0 6 4 1,269 a Freshwater species. Table H-5. Hydrographic parameters measured at SCUT1 prior to fish trawls in April, May, and June 2020. Parameters 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 16-Jun 26-Jun Near surface Temperature (*C) 13.9 20.5 17.7 19.1 20.0 19.8 21.5 20.2 23.7 21.9 27.3 21.5 25.6 Dissolved oxygen (%) 54.0 45.3 60.7 57.4 71.5 46.6 69.9 39.1 37.9 37.9 41.5 42.0 43.3 Dissolved oxygen (mg/I) 5.4 4.3 5.6 5.3 6.2 4.1 6.1 3.5 3.2 3.3 3.4 2.7 3.5 Conductivity (mS) 4.9 4.2 5.3 5.4 6.9 8.3 6.9 3.8 1.7 1.7 7.0 3.1 0.3 Specific conductivity (mS) 6.3 4.6 6.2 6.1 7.7 9.2 7.4 4.2 1.7 1.8 6.7 3.4 0.3 Salinity (psu) 3.5 2.5 3.4 3.3 25.0 5.2 4.1 2.2 0.9 0.9 3.7 1.8 0.1 pH 6.7 6.8 6.9 6.7 6.7 6.7 7.0 6.6 6.0 6.3 6.6 6.5 6.4 Secchi depth (inches) 16.5 27.0 12.0 20.0 26.0 30.0 22.3 19.5 19.5 12.0 22.5 15.0 16.0 Water depth (inches) 62.5 54.5 72.0 64.0 47.0 60.5 43.0 76.0 51.0 51.0 46.0 55.0 50.0 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature ("C) 14.2 19.9 17.3 18.9 19.5 19.8 19.6 20.0 23.2 22.4 27.5 21.4 24.2 Dissolved oxygen (%) 47.4 35.2 55.5 48.4 54.0 44.8 48.8 29.9 29.2 32.2 6.4 36.0 32.2 Dissolved oxygen (mg/I) 4.7 3.1 5.2 4.4 4.7 4.0 4.3 2.7 2.5 3.8 0.5 3.2 2.9 Conductivity (mS) 5.6 4.7 5.4 5.7 8.0 8.3 7.8 4.0 1.9 2.8 10.4 2.3 0.3 Specific conductivity (mS) 7.1 5.1 6.2 6.5 8.9 9.2 9.7 4.5 1.9 3.0 9.9 3.6 0.3 Salinity (psu) 3.8 2.8 3.4 3.5 5.0 5.2 4.9 2.4 1.0 1.5 5.6 1.8 0.1 pH 6.6 6.7 6.9 6.7 6.9 6.3 6.9 6.6 5.9 6.1 6.6 6.5 6.3 Table H-6. Fully enumerated list of all fish captured in trawls at Jacks Creek in April, May, and June 2020. Common Name Species 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 16-Jun 24-Jun Total American eel Anguilla rostrata 0 0 0 0 0 0 0 0 1 1 0 0 0 2 Atlantic croaker Micropogonias undulatus 10 11 6 1 1 0 0 0 0 36 40 44 41 190 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 0 6 3 3 52 0 0 143 207 Atlantic needlefish Strongylura marina 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Bay anchovy Anchoa mitchilli 0 0 9 0 3 0 0 0 5 7 0 14 2 40 Bluegilla Lepomis macrochirus 0 0 1 0 0 0 0 0 1 64 1 0 0 67 Gizzard shad Dorosoma cepedianum 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Hogchoker Trinectes maculatus 6 1 1 0 0 0 0 0 0 0 1 0 0 9 Inland silverside Menidia beryllina 15 3 11 0 7 0 2 53 31 29 0 0 0 151 Naked goby Gobiosoma bosci 2 0 1 0 0 0 0 0 0 0 0 0 0 3 Northern pipefish Syngnathus fuscus 0 0 0 0 2 0 1 0 2 0 0 0 0 5 Pinfish Lagodon rhomboides 1 2 11 1 4 0 1 3 0 6 0 0 0 29 Pumpkinseeda Lepomis gibbosus 0 0 0 0 0 0 0 1 0 14 0 0 0 15 Rainwater killifish Lucania parva 0 0 0 0 0 2 2 6 2 16 0 0 0 28 Southern flounder Paralichthys lethostigma 1 0 1 0 0 0 0 0 0 0 0 3 0 5 Spot Leiostomus xanthurus 256 599 675 14 231 114 70 51 18 89 58 39 14 2,228 Striped mullet Mugil cephalus 1 10 0 0 1 0 0 0 0 1 0 0 0 13 White perch Morone americana 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Total 292 626 716 16 249 116 82 117 63 318 100 100 200 2,995 a Freshwater species. Table H-7. Hydrographic parameters measured at Jacks Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 16-Jun 24-Jun Near surface Temperature (*C) 17.0 20.3 18.8 19.4 19.3 22.3 19.9 21.0 25.1 24.3 27.8 23.1 27.0 Dissolved oxygen (%) 86.8 85.9 82.6 97.1 107.0 86.7 80.3 63.0 98.9 58.6 51.8 87.8 64.6 Dissolved oxygen (mg/I) 8.0 7.3 7.3 8.4 9.3 7.2 7.1 5.5 8.0 4.9 3.9 7.2 5.0 Conductivity (mS) 13.2 13.1 11.9 12.8 12.2 13.7 13.2 13.3 10.1 8.1 12.5 11.4 10.2 Specific conductivity (mS) 15.6 14.3 13.6 14.3 13.6 14.5 14.5 14.4 10.1 8.2 11.9 11.9 9.9 Salinity (psu) 9.2 8.4 7.9 8.3 7.9 8.4 8.5 8.4 5.1 4.6 6.7 6.8 6.5 pH 7.1 7.2 7.5 7.6 7.8 7.5 7.2 6.9 7.6 7.1 7.2 7.5 7.3 Secchi depth (inches) 40.5 >61.0 32.0 >58.0 30.5 29.5 >49.0 31.0 26.5 20.5 27.3 25.0 22.0 Water depth (inches) 56.5 61.0 54.5 58.0 51.5 54.8 49.0 61.0 58.5 41.0 51.8 63.0 46.0 SAV visible 75.0 100.0 5.0 100.0 75.0 50.0 100.0 25.0 100.0 80.0 20.0 10.0 0.0 Near bottom Temperature (*C) 17.0 19.7 18.8 18.0 19.4 20.7 18.3 21.1 24.2 23.9 27.8 22.1 27.4 Dissolved oxygen (%) 84.7 67.9 63.9 75.2 83.2 68.3 71.4 64.9 63.6 72.8 48.1 72.6 47.8 Dissolved oxygen (mg/I) 7.6 5.8 5.6 6.8 6.9 5.8 6.3 5.5 5.2 6.0 3.7 6.0 3.8 Conductivity (mS) 13.4 13.5 13.2 12.5 12.4 13.4 12.6 13.4 11.5 8.2 12.5 11.6 10.7 Specific conductivity (mS) 15.8 15.0 13.8 14.4 13.8 14.6 15.4 14.5 11.6 8.4 11.9 12.2 10.4 Salinity (psu) 9.3 8.8 8.0 8.4 7.9 8.5 8.4 8.4 6.6 4.7 6.7 7.0 5.9 pH 7.3 7.2 7.4 7.4 7.5 7.1 7.5 7.1 7.4 7.1 7.2 7.5 7.2 Table H-8. Fully enumerated list of all fish captured in trawls at Little Creek in April, May, and June 2020. Common Name Species 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 2-Jun 10-Jun 16-Jun 24-Jun Total Atlantic croaker Micropogonias undulatus 101 182 34 93 7 0 0 1 5 12 1 52 25 513 Atlantic menhaden Brevoortia tyrannus 0 4 0 0 0 3 8 1 16 1 0 0 1 34 Bay anchovy Anchoa mitchilli 0 15 1 12 0 4 1 6 7 4 0 11 15 76 Bluegilla Lepomis macrochirus 0 0 0 1 1 0 1 0 0 0 0 0 0 3 Gizzard shad Dorosoma cepedianum 0 0 0 1 0 0 0 0 0 0 0 0 0 1 Hogchoker Trinectes maculatus 0 0 0 0 0 1 0 0 0 0 0 0 0 1 Inland silverside Menidia beryllina 1 1 0 1 1 1 1 4 3 0 0 0 0 13 Ladyfish Elops saurus 0 0 0 0 0 0 0 0 0 0 0 3 0 3 Largemouth bassa Micropterus salmoides 0 0 0 1 0 0 0 0 0 0 0 0 0 1 Mummichog Fundulus heteroclitus 0 0 0 0 0 0 0 0 0 0 1 0 0 1 Naked goby Gobiosoma bosci 0 1 3 0 0 1 0 0 1 0 14 0 0 20 Northern pipefish Syngnathus fuscus 0 0 0 0 0 2 0 0 2 0 0 0 0 4 Pinfish Lagodon rhomboides 0 2 5 6 1 4 3 0 0 0 0 0 0 21 Pumpkinseeds Lepomis gibbosus 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Rainwater killifish Lucania parva 0 0 0 0 0 1 1 0 0 0 2 0 0 4 Southern flounder Paralichthys lethostigma 0 4 0 0 1 1 0 0 0 0 0 0 0 6 Spot Leiostomus xanthurus 562 480 128 505 68 106 145 67 65 7 0 162 39 2,334 White perch Morone americana 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Total 664 690 171 620 79 124 161 79 99 24 18 228 80 3,037 a Freshwater species. Table H-9. Hydrographic parameters measured at Little Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 1-Apr 9-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 2-Jun 10-Jun 16-Jun 24-Jun Near surface Temperature (*C) 15.2 20.3 16.8 18.6 20.1 22.1 19.7 20.1 24.4 25.9 26.7 21.9 25.0 Dissolved oxygen (%) 100.9 80.2 81.6 94.5 139.6 90.1 82.1 63.5 86.4 115.3 59.1 54.3 31.0 Dissolved oxygen (mg/I) 9.6 6.6 7.5 8.2 11.1 7.5 7.6 5.5 7.1 9.2 4.6 4.7 4.1 Conductivity (mS) 10.6 10.5 11.5 11.7 12.4 13.1 12.9 8.6 9.1 10.5 12.4 4.5 9.0 Specific conductivity (mS) 13.2 11.5 18.7 13.3 13.7 13.8 14.4 9.4 9.2 10.3 12.0 4.8 8.9 Salinity (psu) 7.6 3.6 8.0 7.7 8.0 8.0 8.3 5.3 5.2 5.8 6.9 3.1 4.4 pH 7.5 7.3 7.4 7.5 7.7 8.0 7.8 7.1 7.3 8.2 7.2 7.0 6.6 Secchi depth (inches) 30.0 20.0 23.0 29.0 35.0 49.3 36.5 23.0 25.0 15.0 26.5 13.0 6.5 Water depth (inches) 63.5 64.0 62.5 61.0 59.5 57.0 51.3 67.5 63.5 51.5 55.5 64.0 51.0 % SAV visible 1.0 2.0 0.0 5.0 100.0 0.0 10.0 0.0 15.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 15.2 20.6 16.7 17.8 19.2 22.0 18.8 121.5 24.6 24.9 26.7 21.9 25.9 Dissolved oxygen (%) 96.3 68.5 83.0 77.9 92.2 85.5 79.5 46.5 82.6 81.5 7.7 80.0 24.3 Dissolved oxygen (mg/I) 9.1 5.8 7.7 7.1 8.0 7.2 7.3 3.9 6.6 6.5 0.7 6.7 1.8 Conductivity (mS) 10.4 13.7 12.0 12.7 12.2 13.0 13.0 13.4 12.3 10.8 13.4 12.3 12.0 Specific conductivity (mS) 13.3 14.9 14.3 14.7 14.3 13.7 14.8 14.4 12.4 10.9 13.0 13.1 11.8 Salinity (psu) 7.7 8.7 8.3 8.6 8.3 8.0 8.6 8.4 7.1 6.1 7.3 7.5 6.7 pH 7.5 7.1 7.4 7.4 7.7 7.5 7.7 6.8 7.3 7.7 7.0 7.2 6.9 Table H-10. Fully enumerated list of all fish captured in trawls at Jacobs Creek in April, May, and June 2020. Common Name Species 2020 1-Apr 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 26-May 2-Jun 9-Jun 16-Jun 24-Jun Total American eel Anguilla rostrata 0 0 0 1 1 0 0 0 0 0 0 0 0 2 Atlantic croaker Micropogonias undulatus 147 144 61 10 3 0 0 2 0 3 1 12 27 410 Atlantic menhaden Brevoortia tyrannus 0 0 0 1 0 9 2 2 0 0 0 0 0 14 Atlantic silverside Menidia menidia 0 0 0 0 0 0 0 0 25 0 37 0 0 62 Bay anchovy Anchoa mitchilli 0 7 20 24 3 20 8 1 5 5 28 11 109 241 Gizzard shad Dorosoma cepedianum 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Green goby Microgobius thalassinus 0 0 0 0 3 2 0 0 0 0 0 0 0 5 Hogchoker Trinectes maculatus 0 1 0 2 0 1 2 0 0 0 0 0 1 7 Inland silverside Menidia beryllina 0 5 7 2 0 4 7 18 0 9 0 0 1 53 Naked goby Gobiosoma bosci 0 0 2 3 5 0 1 0 0 0 0 0 0 11 Northern pipefish Syngnathus fuscus 2 1 3 0 2 7 6 4 5 0 0 0 0 30 Pinfish Lagodon rhomboides 1 1 40 4 31 6 6 14 0 1 1 0 0 105 Pumpkinseeda Lepomis gibbosus 0 0 1 0 0 0 0 0 0 0 0 0 0 1 Rainwater killifish Lucania parva 0 0 0 0 18 13 0 6 3 0 11 0 0 51 Southern flounder Paralichthys lethostigma 0 2 4 1 3 0 1 1 0 0 1 1 0 14 Spot Leiostomusxanthurus 311 436 1,340 396 424 419 188 238 165 52 10 65 67 4,111 White perch Morone americana 0 0 0 1 0 0 0 0 0 0 0 0 0 1 Total 461 597 1,478 445 493 481 221 286 203 71 89 89 205 5,119 a Freshwater species. Table H-11. Hydrographic parameters measured at Jacobs Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 1-Apr 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 26-May 2-Jun 9-Jun 16-Jun 24-Jun Near surface Temperature (*C) 16.6 20.3 18.9 22.0 19.8 20.7 18.8 20.9 26.0 29.0 32.2 22.7 27.2 Dissolved oxygen (%) 93.1 85.9 92.3 97.8 99.2 84.1 87.2 68.2 118.5 131.8 125.3 87.0 68.4 Dissolved oxygen (mg/I) 8.5 7.3 8.0 8.1 8.6 7.2 7.9 5.8 9.3 9.9 8.7 8.2 5.1 Conductivity (mS) 13.6 13.1 14.3 14.5 14.1 14.5 14.0 14.1 13.1 10.0 14.9 12.2 11.4 Specific conductivity (mS) 16.3 14.3 16.1 15.5 15.2 15.8 15.9 15.3 12.9 9.2 13.1 12.8 10.9 Salinity (psu) 9.6 8.4 9.5 9.1 9.2 9.2 9.3 8.6 7.4 5.2 7.5 7.3 6.2 pH 7.4 7.2 7.5 7.5 7.6 7.3 7.8 7.2 8.3 7.9 8.6 7.5 7.6 Secchi depth (inches) 52.5 >61.0 48.0 44.0 39.5 >60.5 33.0 40.5 9.5 28.5 24.0 30.5 21.0 Water depth (inches) 63.0 61.0 62.0 61.0 59.0 60.5 58.5 74.0 69.0 59.0 60.5 70.0 56.5 SAV visible 1.0 100.0 0.0 20.0 90.0 100.0 0.0 0.0 50.0 60.0 50.0 20.0 0.0 Near bottom Temperature (*C) 16.9 19.7 19.0 18.8 19.8 20.2 18.5 20.3 24.6 25.5 28.7 22.5 26.6 Dissolved oxygen (%) 84.2 67.9 89.9 2.5 91.7 60.2 75.1 50.3 79.7 53.2 39.2 86.2 53.4 Dissolved oxygen (mg/I) 7.6 5.8 7.9 9.1 8.0 6.3 6.6 4.7 6.3 4.2 3.1 7.2 4.1 Conductivity (mS) 13.9 13.5 14.3 14.1 14.1 14.4 14.1 14.1 12.9 12.0 13.6 12.5 11.5 Specific conductivity (mS) 16.4 15.0 16.1 16.0 15.7 15.9 11.6 15.7 13.0 11.9 12.7 13.1 11.1 Salinity (psu) 9.7 8.8 9.5 9.4 9.2 9.3 9.5 8.9 7.5 6.8 7.2 7.5 6.3 pH 7.4 7.2 7.6 7.8 7.7 7.1 7.7 7.1 7.5 7.4 7.8 7.6 7.4 Table H-12. Fully enumerated list of all fish captured in trawls at PA2 in April. May. and June 2020. Common Name Species 2020 2-Apr 8-Apr 15-Apr 22-Apr 28-Apr 6-May 13-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Total American eel Anguilla rostrata 0 0 0 0 0 0 0 0 0 0 0 1 0 1 Atlantic croaker Micropogonias undulatus 0 0 0 0 1 1 0 0 0 0 0 0 0 2 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 0 0 0 0 0 0 0 2 2 Atlantic silverside Menidia menidia 0 0 0 0 0 0 8 0 0 0 0 0 0 8 Bay anchovy Anchoa mitchilli 1 11 4 4 3 3 1 1 1 0 0 13 9 51 Bluegilla Lepomis macrochirus 0 0 0 0 0 0 0 0 0 0 0 0 2 2 Brown bullheads Ameiurus nebulosus 0 0 0 0 1 0 0 1 0 0 0 0 0 2 Eastern mosquitofisha Gambusia holbrooki 0 2 0 0 0 0 0 0 0 0 0 0 0 2 Gizzard shad Dorosoma cepedianum 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Hogchoker Trinectes maculatus 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Inland silverside Menidia beryllina 0 1 0 0 15 23 0 47 14 21 8 88 25 242 Largemouth bassa Micropterus salmoides 0 0 0 0 0 1 0 0 0 0 0 0 0 1 Mummichog Fundulus heteroclitus 0 0 0 0 0 0 0 0 0 0 1 0 0 1 Naked goby Gobiosoma bosci 0 2 30 10 4 0 6 0 0 1 1 0 0 54 Pinfish Lagodon rhomboides 21 38 21 11 11 19 5 9 2 1 0 7 2 147 Pumpkinseeda Lepomis gibbosus 1 2 3 0 0 4 5 1 0 0 0 0 1 17 Rainwater killifish Lucania parva 1 16 143 206 17 216 293 88 202 265 28 17 27 1,519 Sheepshead minnow Cyprinodon variegatus 0 0 0 0 0 0 1 0 0 1 0 0 0 2 Southern flounder Paralichthys lethostigma 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Spot Leiostomusxanthurus 1,147 1,395 831 166 44 192 80 62 61 29 12 32 37 4,088 Total 1,171 1,468 1,032 397 96 459 399 209 280 318 50 158 107 6,144 a Freshwater species. Table H-13 Hydrographic parameters measured at PA2 Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 2-Apr 8-Apr 15-Apr 22-Apr 28-Apr 6-May 13-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Near surface Temperature (*C) 15.9 21.0 19.2 17.6 22.1 20.0 18.2 22.2 25.3 24.2 30.8 22.8 29.9 Dissolved oxygen (%) 98.8 130.0 64.3 96.8 125.0 73.6 80.9 69.0 88.1 57.7 72.5 49.0 70.6 Dissolved oxygen (mg/I) 9.3 102.4 5.7 8.8 10.3 6.3 7.5 5.7 7.1 4.6 5.1 4.0 5.1 Conductivity (mS) 13.5 14.9 14.2 13.4 14.9 13.9 14.1 14.5 12.4 10.1 14.1 11.6 12.1 Specific conductivity (mS) 16.3 15.9 16.0 15.6 15.3 15.4 16.2 15.4 12.8 10.3 12.7 12.1 11.1 Salinity (psu) 9.6 9.4 9.4 9.1 9.3 9.0 9.5 8.9 7.3 5.8 7.2 7.0 6.2 pH 7.4 7.6 7.3 7.3 8.4 6.9 7.8 7.3 7.1 7.0 7.2 7.0 7.5 Secchi depth (inches) >43.0 >49.0 >42.0 >41.0 >48.0 >37.0 >37.0 >37.0 >42.0 28.5 29.5 >46.5 14.0 Water depth (inches) 43.0 49.0 42.0 41.0 48.0 37.0 37.0 37.0 42.0 39.0 39.5 46.5 40.0 % SAV visible 100.0 95.0 20.0 100.0 95.0 100.0 100.0 15.0 75.0 90.0 25.0 30.0 10.0 Near bottom Temperature (*C) 16.0 50.8 19.2 17.6 19.4 19.8 18.0 22.2 23.4 27.3 29.6 22.4 29.9 Dissolved oxygen (%) 97.8 105.9 60.7 70.8 13.0 65.3 62.9 68.0 65.7 89.3 54.9 50.2 76.2 Dissolved oxygen (mg/I) 9.1 9.0 3.4 6.3 9.8 5.5 5.5 5.6 5.2 6.8 4.0 4.2 5.6 Conductivity (mS) 13.5 14.6 14.2 13.4 14.2 13.9 14.1 14.5 12.6 10.6 13.8 12.0 12.1 Specific conductivity (mS) 16.3 15.9 15.9 15.6 15.9 15.6 16.3 15.3 13.0 10.1 12.7 12.6 11.1 Salinity (psu) 9.6 9.3 9.4 9.1 9.3 9.0 9.6 8.9 7.5 5.7 7.2 7.3 6.2 pH 7.4 7.8 7.3 7.3 8.3 6.9 7.7 7.2 6.7 7.0 7.1 7.2 7.5 Table H-14. Fully enumerated list of all fish captured in trawls at Drinkwater Creek in April, May, and June 2020. Common Name Species 2020 2-Apr 9-Apr 14-Apr 22-Apr 30-Apr 6-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Total American eel Anguilla rostrata 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Atlantic croaker Micropogonias undulatus 142 177 15 2 28 4 0 0 0 0 1 1 13 383 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 0 6 2 0 0 0 0 1 9 Bay anchovy Anchoa mitchilli 0 3 11 8 39 8 1 2 7 3 18 262 37 399 Bluegilla Lepomis macrochirus 0 0 0 0 0 0 0 0 0 0 0 5 2 7 Chain pipefish Syngnathus louisianae 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Eastern mosquitofisha Gambusia holbrooki 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Green goby Microgobius thalassinus 0 0 0 0 1 1 0 0 0 0 0 0 0 2 Hogchoker Trinectes maculatus 1 0 0 0 0 0 1 0 0 0 0 0 0 2 Inland silverside Menidia beryllina 3 1 2 2 4 5 1 0 14 48 20 3 0 103 Naked goby Gobiosoma bosci 0 0 0 0 3 5 9 1 0 0 0 0 1 19 Northern pipefish Syngnathus fuscus 1 3 2 0 1 2 0 3 1 1 0 0 1 15 Pinfish Lagodon rhomboides 20 2 3 45 2 13 0 2 0 0 0 0 0 87 Pumpkinseeda Lepomis gibbosus 1 0 0 0 0 0 0 0 0 0 0 0 0 1 Rainwater killifish Lucania parva 2 1 2 32 30 35 52 0 7 36 74 3 0 274 Southern flounder Paralichthys lethostigma 0 0 0 0 1 0 2 0 0 0 0 0 0 3 Spot Leiostomusxanthurus 739 731 323 171 148 126 92 84 12 34 30 21 54 2,565 Total 909 918 358 260 257 199 166 94 41 123 143 295 109 3,872 a Freshwater species. Table H-15. Hydrographic parameters measured at Drinkwater Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 2-Apr 9-Apr 14-Apr 22-Apr 30-Apr 6-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Near surface Temperature (*C) 15.6 27.0 23.0 17.9 21.4 20.2 21.3 22.5 24.4 26.7 30.2 22.2 29.8 Dissolved oxygen (%) 95.0 117.0 112.2 79.0 134.4 78.7 102.5 79.3 102.8 163.7 110.1 68.8 107.6 Dissolved oxygen (mg/I) 8.9 9.7 9.1 7.0 11.2 6.7 8.8 6.3 8.3 12.7 7.9 5.8 8.0 Conductivity (mS) 13.4 14.9 15.4 13.5 14.7 14.3 14.7 14.7 12.9 11.6 14.2 11.9 12.2 Specific conductivity (mS) 16.4 15.9 15.8 15.6 15.7 15.7 16.1 15.9 13.1 11.3 12.9 12.5 11.2 Salinity (psu) 9.6 9.3 9.3 9.1 9.2 9.2 9.4 9.0 7.5 6.4 7.4 7.2 6.3 pH 7.4 7.6 8.1 7.3 8.6 7.2 8.2 7.4 7.9 8.8 8.3 7.2 8.6 Secchi depth (inches) 60.0 50.5 42.0 48.0 23.0 36.3 27.0 35.0 29.3 21.0 23.5 35.0 19.0 Water depth (inches) 69.0 78.5 63.0 69.0 69.3 59.0 57.5 71.5 67.0 61.5 60.0 70.5 64.0 SAV visible 1.0 2.0 5.0 10.0 1.0 30.0 10.0 5.0 10.0 10.0 25.0 10.0 10.0 Near bottom Temperature (*C) 15.3 19.8 19.8 17.9 19.2 20.2 19.0 22.4 23.5 24.3 18.3 21.9 27.3 Dissolved oxygen (%) 93.5 108.3 102.2 74.7 129.0 60.0 117.2 30.1 50.6 76.8 70.2 74.8 36.6 Dissolved oxygen (mg/I) 8.8 9.1 8.8 6.7 11.2 5.0 10.9 2.5 4.1 6.2 5.1 6.7 2.7 Conductivity (mS) 13.8 14.4 14.5 13.5 14.1 14.3 14.2 14.5 13.1 11.1 13.4 12.5 12.4 Specific conductivity (mS) 16.3 16.0 16.2 15.6 15.8 15.8 16.0 15.4 13.5 11.4 12.6 13.3 11.2 Salinity (psu) 9.6 9.4 9.8 9.1 9.3 9.3 9.4 8.6 7.8 6.4 7.2 7.7 6.7 pH 7.5 7.6 8.1 7.3 8.6 7.2 8.6 7.3 7.3 8.0 7.8 7.4 7.4 Table H-16. Fully enumerated list of all fish captured in trawls at Long Creek in April, May, and June 2020. Common Name Species 2020 2-Apr 8-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Total Atlantic croaker Micropogonias undulatus 22 123 17 31 110 376 630 3 16 30 26 4 0 1,388 Atlantic menhaden Brevoortia tyrannus 1 0 0 2 4 36 12 0 3 11 4 0 0 73 Bay anchovy Anchoa mitchilli 1 33 15 20 16 61 25 32 46 26 28 5 4 312 Green goby Microgobius thalassinus 0 0 0 0 0 1 0 0 0 0 0 0 0 1 Ladyfish Elops saurus 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Pinfish Lagodon rhomboides 1 0 0 0 0 0 0 0 0 0 0 0 0 1 Southern flounder Paralichthys lethostigma 1 0 1 0 0 0 2 0 0 0 0 0 0 4 Spot Leiostomus xanthurus 25 123 45 128 143 54 42 5 53 29 32 3 0 682 Summer flounder Paralichthys dentatus 0 0 0 2 0 0 0 0 0 0 0 0 0 2 Total 51 280 78 183 273 528 711 40 118 96 90 12 4 2,464 a Freshwater species. Table H-17. Hydrographic parameters measured at Long Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 2-Apr 8-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Near surface Temperature (*C) 14.2 22.1 20.3 19.0 21.9 22.4 19.2 23.5 24.8 26.2 28.5 21.7 29.0 Dissolved oxygen (%) 98.2 119.7 110.6 102.1 137.3 107.2 90.1 74.3 96.5 107.2 33.3 80.0 90.7 Dissolved oxygen (mg/I) 9.5 9.8 9.6 8.9 11.4 8.4 8.2 6.1 7.7 8.4 5.6 6.7 6.5 Conductivity (mS) 12.9 14.7 15.1 14.1 15.4 15.7 14.4 14.7 14.4 11.8 14.3 12.3 12.6 Specific conductivity (mS) 16.3 15.6 16.7 15.9 16.4 16.5 16.2 15.4 13.4 11.2 13.5 13.2 11.7 Salinity (psu) 9.6 9.1 9.8 9.4 9.6 9.7 9.5 9.0 7.7 6.3 7.8 7.6 6.6 pH 7.5 7.6 7.9 6.8 8.6 7.5 7.4 7.6 7.8 8.0 7.6 7.3 8.1 Secchi depth (inches) 54.0 52.0 53.5 46.0 21.0 26.0 29.5 27.2 28.5 26.5 24.0 31.8 19.5 Water depth (inches) 80.0 70.5 82.0 74.0 74.0 75.3 70.0 81.5 76.3 70.0 69.8 82.0 74.0 SAV visible 0.5 0.0 0.0 0.0 0.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 14.2 20.5 19.1 18.4 19.8 20.8 18.9 22.4 23.8 24.6 27.0 21.2 27.0 Dissolved oxygen (%) 98.2 107.9 90.2 91.2 121.1 72.1 89.0 60.3 80.8 89.1 61.3 57.5 45.6 Dissolved oxygen (mg/I) 9.1 9.2 7.9 8.1 10.4 6.3 7.8 6.1 6.5 7.1 4.7 5.7 3.6 Conductivity (mS) 13.0 14.4 14.7 14.1 15.1 15.6 14.4 14.9 13.1 11.7 14.8 13.2 12.6 Specific conductivity (mS) 16.4 15.8 16.7 16.1 16.7 17.0 16.3 15.7 13.5 11.8 14.2 14.2 12.1 Salinity (psu) 9.6 9.2 9.8 9.5 9.9 10.0 9.6 9.1 7.8 6.7 8.2 8.3 6.8 pH 7.5 7.7 7.8 7.8 8.4 7.5 7.9 7.1 7.6 8.1 7.6 7.3 7.6 Table H-18. Fully enumerated list of all fish captured in trawls at Toole y Creek in April, May, and June 2020. Common Name Species 2020 2-Apr 8-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Total Atlantic croaker Micropogonias undulatus 92 33 353 0 7 12 89 45 65 9 67 12 18 802 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 121 5 1 8 23 2 0 0 160 Bay anchovy Anchoa mitchilli 5 0 73 78 4 116 12 28 57 14 61 26 71 545 Green goby Stiphodon elegans 0 1 0 0 0 0 4 1 0 0 0 0 0 6 Hogchoker Trinectes maculatus 0 0 0 0 0 0 0 1 0 1 2 1 0 5 Inland silverside Menidia beryllina 0 0 1 0 0 0 1 0 0 0 0 0 0 2 Ladyfish Elops saurus 0 0 3 0 0 0 0 0 0 0 0 0 0 3 Naked goby Gobiosoma bosci 0 0 2 2 0 0 0 1 0 0 0 0 0 5 Northern pipefish Syngnathus fuscus 1 0 0 1 0 0 3 0 0 0 0 0 0 5 Pinfish Lagodon rhomboides 1 6 0 1 0 0 0 0 0 0 0 0 0 8 Rainwater killifish Lucania parva 0 0 0 1 0 0 0 0 0 0 0 0 0 1 Southern flounder Paralichthys lethostigma 0 0 1 0 0 0 6 3 1 1 2 1 0 15 Spot Leiostomusxanthurus 28 26 301 327 24 262 212 104 92 64 78 20 54 1,592 Total 127 66 734 410 35 511 332 184 223 112 212 60 143 3,149 a Freshwater species. Table H-19. Hydrographic parameters measured at Tooley Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 2-Apr 8-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Near surface Temperature (*C) 15.5 22.5 23.5 19.6 21.5 21.3 18.7 22.7 24.9 26.9 30.2 27.5 28.6 Dissolved oxygen (%) 87.6 114.2 116.0 99.7 124.0 89.6 89.8 71.9 109.8 124.4 101.2 73.3 97.4 Dissolved oxygen (mg/I) 8.2 9.5 9.5 8.6 10.4 8.2 7.8 5.9 8.7 9.7 7.3 6.1 7.6 Conductivity (mS) 15.9 15.2 15.4 14.3 15.3 15.3 15.0 14.9 13.9 12.2 15.1 12.5 12.6 Specific conductivity (mS) 16.9 16.1 16.5 15.9 16.3 16.4 16.6 15.6 13.9 11.8 13.7 13.2 11.5 Salinity (psu) 10.0 9.4 9.7 9.3 9.6 9.6 8.8 9.1 8.0 6.7 7.9 7.6 6.5 pH 7.4 7.4 8.1 7.5 8.4 7.4 7.8 7.3 8.0 8.6 8.2 7.3 8.5 Secchi depth (inches) 48.0 67.0 52.5 36.0 39.0 33.0 36.5 32.3 31.0 26.0 24.0 31.0 20.0 Water depth (inches) 83.0 83.0 80.0 67.0 76.0 86.3 63.8 86.0 78.0 71.0 32.0 80.0 72.5 % SAV visible 0.5 0.0 5.0 0.0 0.5 50.0 0.0 0.0 10.0 10.0 15.0 0.0 0.0 Near bottom Temperature (*C) 15.6 19.3 19.4 18.8 19.1 19.9 18.9 22.4 23.8 25.0 28.9 22.0 27.3 Dissolved oxygen (%) 89.5 97.1 95.5 87.7 109.2 83.7 90.1 75.5 66.1 95.7 89.2 69.5 47.6 Dissolved oxygen (mg/I) 7.9 8.4 8.3 7.7 9.6 7.2 8.0 4.7 5.4 7.7 6.6 5.8 2.7 Conductivity (mS) 13.9 14.3 14.8 14.3 14.5 15.5 16.9 14.8 13.6 11.8 14.7 13.0 12.3 Specific conductivity (mS) 17.0 16.0 16.6 16.2 16.3 17.2 16.6 15.6 13.9 11.8 13.7 13.8 11.7 Salinity (psu) 10.0 9.4 9.7 9.5 9.6 10.1 9.8 9.1 8.0 6.7 7.9 8.0 6.7 pH 7.3 7.5 7.9 7.4 8.1 7.5 7.8 7.3 7.6 7.9 8.2 7.4 7.6 Table H-20. Fully enumerated list of all fish captured in trawls at Muddy Creek in April, May, and June 2020. Common Name Species 2020 2-Apr 7-Apr 14-Apr 21-Apr 29-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Total Atlantic croaker Micropogonias undulatus 23 222 18 99 181 18 3 40 53 26 5 24 17 729 Atlantic menhaden Brevoortia tyrannus 0 8 0 0 0 46 0 0 2 0 0 1 0 57 Bay anchovy Anchoa mitchilli 1 5 1 16 3 53 2 17 13 1 10 7 7 136 Bluegill Lepomis macrochirus 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Hogchoker Trinectes maculatus 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Inland silverside Menidia beryllina 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Ladyfish Elops saurus 0 0 0 0 1 2 0 0 0 0 0 0 0 3 Naked goby Gobiosoma bosci 2 1 0 16 2 45 0 3 0 0 4 1 0 74 Pinfish Lagodon rhomboides 0 1 0 42 1 0 0 0 0 0 0 1 0 45 Southern flounder Paralichthys lethostigma 0 1 0 0 0 0 0 3 3 0 0 1 1 9 Spot Leiostomus xanthurus 9 183 41 226 311 157 41 62 63 18 11 48 7 1,177 Total 35 422 60 399 499 321 46 125 134 47 30 83 32 2,233 a Freshwater species. Table H-21. Hydrographic parameters measured at Muddy Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 2-Apr 7-Apr 14-Apr 21-Apr 29-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun Near surface Temperature (*C) 13.9 21.7 20.0 18.5 20.0 22.1 18.0 22.4 24.6 25.8 28.2 21.5 28.6 Dissolved oxygen (%) 91.8 109.8 94.2 91.2 106.1 92.9 97.9 68.2 61.8 48.8 62.6 73.5 86.9 Dissolved oxygen (mg/I) 8.9 9.2 8.2 8.1 8.5 7.6 9.0 5.5 5.0 3.9 4.7 6.1 6.2 Conductivity (mS) 12.9 12.5 14.7 13.4 15.3 15.4 13.3 14.4 12.4 3.6 16.4 13.5 11.2 Specific conductivity (mS) 16.4 13.3 17.0 15.3 16.9 16.3 15.3 15.4 12.6 8.5 15.5 14.5 10.6 Salinity (psu) 9.6 7.7 9.2 9.0 10.0 9.7 8.9 8.6 7.2 4.7 9.0 8.4 5.9 pH 7.4 3.4 7.6 7.5 8.0 7.9 8.0 7.3 7.1 6.9 7.3 6.8 7.4 Secchi depth (inches) 33.0 44.0 44.0 28.0 45.5 26.8 29.5 25.0 26.5 20.0 25.5 28.3 19.0 Water depth (inches) 64.0 65.5 63.5 57.0 59.0 58.3 58.5 65.0 61.5 59.5 56.0 63.0 54.5 % SAV visible 0.0 0.0 0.0 0.0 20.0 0.0 0.0 0.0 0.0 10.0 0.0 0.0 0.0 Near bottom Temperature (*C) 13.9 19.6 19.1 17.8 19.5 21.8 17.9 22.4 29.9 24.8 27.5 21.6 27.7 Dissolved oxygen (%) 83.4 102.0 16.7 86.7 101.3 82.4 41.7 60.5 39.2 57.0 52.0 70.0 63.4 Dissolved oxygen (mg/I) 8.1 8.8 6.7 7.8 8.6 7.0 8.2 4.9 5.5 4.6 4.1 5.8 4.3 Conductivity (mS) 12.8 13.3 14.7 13.8 15.3 15.5 13.2 14.5 13.6 10.1 16.2 13.6 12.0 Specific conductivity (mS) 16.3 14.9 16.6 16.1 17.1 16.5 15.3 15.2 13.7 10.2 15.6 14.6 11.4 Salinity (psu) 9.5 8.7 9.8 9.4 10.1 9.7 8.9 9.0 7.9 5.8 9.0 8.5 6.5 pH 7.4 7.5 7.5 7.5 7.9 7.7 8.0 7.3 7.2 7.0 7.2 7.0 7.4 Table H-22. Fully enumerated list of all fish captured by fyke net at Huddles Cut in April, May, and June 2020. Common Name Species 2020 1-Apr 9-Apr 16-Apr 23-Apr 30-Apr 7-May 14-May 21-May 28-May 4-Jun 11-Jun 18-Jun 25-Jun Total American eel Anguilla rostrata 0 0 1 0 0 0 1 0 0 1 1 0 0 4 Atlantic croaker Micropogonias undulatus 1 0 0 0 0 1 0 1 13 0 3 6 3 28 Atlantic menhaden Brevoortia tyrannus 5 31 3 3 0 4 0 1 724 0 1 2 3 777 Bay anchovy Anchoa mitchilli 0 136 8 1 1 2 0 0 72 0 0 11 3 234 Bluegilla Lepomis macrochirus 0 2 1 0 0 0 0 0 0 0 0 0 0 3 Eastern mosquitofisha Gambusia holbrooki 0 0 0 0 0 0 0 0 0 0 19 0 0 19 Gizzard shad Dorosoma cepedianum 0 0 0 0 0 0 0 0 0 0 0 1 2 3 Hybrid striped bass Morone chrysops x Morone saxatilis 0 0 0 0 0 1 0 0 0 0 0 0 0 1 Inland silverside Menidia beryllina 3 1 44 0 1 19 0 1 1 0 0 6 7 83 Mummichog Fundulusheteroclitus 0 2 7 6,064 1,633 20 10,075 1 4 12,931 3,335 14 44 34,130 Naked goby Gobiosoma bosci 0 3 2 3 0 0 0 0 1 0 0 0 0 9 Northern pipefish Syngnathus fuscus 0 0 0 0 1 0 0 0 0 0 0 0 0 1 Pinfish Lagodon rhomboides 0 4 17 4 29 26 34 1 11 20 10 3 0 159 Pumpkinseeda Lepomis gibbosus 1 0 0 0 0 0 0 0 0 2 0 0 0 3 Rainwater killifish Lucania parva 0 4 0 2 1 0 0 0 0 0 1 3 0 11 Red drum Sciaenops ocellatus 0 0 0 0 0 2 1 0 3 24 3 10 13 56 Sheepshead minnow Cyprinodon variegatus 0 3 0 2 6 1 7 0 3 23 8 0 0 53 Silver perch Bairdiella chrysoura 0 0 0 0 0 0 0 0 0 0 1 0 0 1 Southern flounder Paralichthys lethostigma 0 0 0 0 1 15 2 0 10 4 1 3 1 37 Spot Leiostomusxanthurus 31 657 854 591 1,388 2,389 119 85 829 1,361 657 451 570 9,982 Striped mullet Mugil cephalus 21 0 1 22 6 2 9 0 62 113 9 1 5 251 Striped bass Morone saxatilis 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Summer flounder Paralichthys dentatus 0 0 1 0 0 0 0 0 0 0 0 0 0 1 Sunfisha Lepomis sp. 0 0 0 0 0 0 0 0 0 1 0 0 0 1 White perch Morone americana 0 5 4 0 0 0 0 0 0 0 0 0 0 9 Total 62 848 943 6,692 3,067 2,482 10,248 90 1,733 14,480 4,049 511 652 45,857 a Freshwater species. Table H-23. Hydrographic parameters measured at Huddles Cut prior to fyke net deployment and retrieval in April, May, and June 2020. Parameters 2020 Net Deployment 31-Mar 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun Temperature (*C) 13.0 19.4 15.4 20.9 22.2 21.7 20.7 20.2 26.3 25.6 26.6 25.9 30.1 Dissolved oxygen (%) 96.7 89.3 99.7 91.1 88.2 125.2 100.8 88.4 89.8 96.5 40.7 59.3 103.0 Dissolved oxygen (mg/I) 8.9 7.8 9.3 7.7 7.3 10.7 8.2 7.4 6.9 7.7 3.1 4.7 15.5 Conductivity (mS) 9.7 10.6 14.5 14.0 15.0 10.6 9.6 15.0 13.2 10.3 14.7 10.0 5.8 Specific conductivity (mS) 11.5 11.9 13.8 15.1 15.8 11.3 10.5 16.4 12.9 10.1 14.3 9.8 5.3 Salinity (psu) 6.7 6.8 10.5 8.9 9.3 6.4 5.9 9.7 7.4 5.7 8.3 5.5 2.8 pH 7.0 8.1 7.6 7.2 7.2 8.7 7.8 7.3 7.8 7.9 7.1 6.6 8.7 Secchi depth (inches) 14.5 15.0 17.0 16.0 >29.0 15.5 18.0 8.0 15.0 21.5 19.0 20.0 21.0 Water depth (inches) 47.0 36.0 32.0 29.0 29.0 33.0 22.0 43.0 43.0 30.5 31.0 34.5 39.0 % SAV visible 0.0 5.0 50.0 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 Net Retrieval 1-Apr 9-Apr 16-Apr 23-Apr 30-Apr 7-May 14-May 21-May 28-May 4-Jun 11-Jun 18-Jun 25-Jun Temperature (*C) 13.2 21.1 13.7 16.5 18.4 16.7 19.6 19.7 24.5 26.6 24.7 21.9 27.4 Dissolved oxygen (%) 49.0 135.6 62.5 71.3 76.2 60.6 59.2 68.5 24.0 31.1 41.1 21.6 73.5 Dissolved oxygen (mg/I) 4.9 11.4 6.0 6.7 6.7 5.6 5.2 5.9 1.4 3.5 3.3 1.8 5.5 Conductivity (mS) 7.7 11.4 13.2 12.5 14.6 9.3 10.3 14.5 10.3 9.8 13.7 9.2 5.1 Specific conductivity (mS) 9.8 12.4 16.8 14.9 16.7 11.0 11.5 16.1 10.5 9.6 13.3 9.8 4.9 Salinity (psu) 5.5 7.1 9.9 8.7 9.9 6.3 6.5 9.8 6.0 9.3 7.7 5.5 2.6 pH 6.1 8.2 6.5 7.0 7.1 7.1 7.2 7.0 6.6 7.0 7.3 6.8 7.6 Secchi depth (inches) >35 33.5 17.0 25.0 23.0 21.0 14.0 11.0 28.0 13.0 19.0 21.0 20.0 Water depth (inches) 35.0 43.5 30.0 27.0 41.5 28.0 28.0 47.0 40.0 25.0 31.0 33.0 36.0 % SAV visible 0.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Table H-24. Fully enumerated list of all fish captured in trawls at Porter Creek in April, May, and June 2020. Common Name Species 2020 2-Apr 8-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 17-Jun 23-Jun Total Atlantic croaker Micropogonias undulatus 152 390 94 115 451 150 380 19 37 28 40 61 39 1,956 Atlantic menhaden Brevoortia tyrannus 0 33 0 0 3 258 11 3 2 16 2 0 0 328 Bay anchovy Anchoa mitchilli 14 237 62 42 38 23 67 97 43 158 47 128 13 969 Hogchoker Trinectes maculatus 0 0 0 1 0 1 0 0 0 1 0 1 0 4 Inland silverside Menidia beryllina 0 0 0 0 1 0 0 0 0 0 0 0 0 1 Northern pipefish Syngnathus fuscus 1 0 0 0 0 0 0 0 0 0 0 0 0 1 Southern flounder Paralichthys lethostigma 0 0 1 3 3 0 1 1 1 0 0 0 0 10 Spot Leiostomus xanthurus 47 56 164 121 185 97 135 110 99 53 24 33 31 1,155 White catfisha Ameiurus catus 0 0 0 0 0 0 0 0 0 0 1 0 0 1 Total 214 716 321 282 681 529 594 230 182 256 114 223 83 4,425 a Freshwater species. Table H-25. Hydrographic parameters measured at Porter Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 2-Apr 8-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 17-Jun 23-Jun Near surface Temperature (*C) 19.1 20.0 20.3 16.9 18.6 20.7 18.4 22.7 24.3 25.6 28.3 22.5 28.4 Dissolved oxygen (%) 105.5 115.8 99.5 86.9 98.6 98.1 91.9 73.7 90.8 89.2 73.1 80.7 81.7 Dissolved oxygen (mg/I) 10.3 10.2 8.6 8.0 8.9 8.5 8.3 6.2 7.5 7.1 5.5 6.8 6.1 Conductivity (mS) 8.5 10.1 13.3 12.2 10.6 10.0 9.5 10.3 8.4 6.7 10.0 9.4 7.7 Specific conductivity (mS) 11.1 11.1 14.6 14.5 12.2 10.9 10.9 10.8 8.5 6.6 9.4 9.9 7.2 Salinity (psu) 6.3 6.4 8.5 8.5 7.0 61.8 6.2 6.1 4.7 3.6 5.2 5.6 3.9 pH 7.7 8.0 7.6 7.6 7.5 8.0 7.5 7.1 7.4 7.5 7.4 7.4 7.8 Secchi depth (inches) 44.0 29.0 32.0 35.0 45.5 27.5 17.5 27.5 33.5 25.5 25.3 8.8 20.5 Water depth (inches) 83.5 71.5 80.0 74.0 66.0 78.8 69.3 81.0 79.0 74.3 69.0 76.5 66.5 % SAV visible 0.0 0.5 20.0 0.0 0.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 14.2 19.9 18.6 16.8 18.4 21.2 18.1 22.6 24.4 25.6 27.9 21.9 23.7 Dissolved oxygen (%) 99.1 104.7 81.8 79.2 85.0 78.9 84.3 69.7 6.7 86.4 67.3 71.6 3.3 Dissolved oxygen (mg/I) 9.3 9.3 7.3 7.3 7.6 6.7 7.8 5.8 5.6 7.0 5.1 6.1 0.2 Conductivity (mS) 8.9 10.1 13.0 12.2 12.4 12.1 9.4 10.8 8.9 6.6 9.9 9.3 12.1 Specific conductivity (mS) 11.2 11.1 14.8 14.5 14.2 13.1 10.9 10.8 9.0 6.6 9.4 8.8 12.4 Salinity (psu) 6.4 6.4 8.7 8.5 8.3 7.5 6.2 6.1 5.1 3.6 5.2 5.6 7.1 pH 7.7 8.0 7.5 7.4 7.5 7.5 7.6 7.2 7.3 7.5 7.4 7.4 6.9 Table H-26. Fully enumerated list of all fish captured by fyke net at DCUT11 in April, May, and June 2020. Common Name Species 2020 1-Apr 9-Apr 16-Apr 23-Apr 30-Apr 7-May 14-May 20-May 28-May 4-Jun 10-Jun 18-Jun 25-Jun Total American eel Anguilla rostrata 0 0 0 0 0 0 0 0 1 0 0 0 0 1 Banded killifisha Fundulus diaphanus 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Bluegilla Lepomis macrochirus 0 0 0 0 0 0 0 1 0 0 0 0 0 1 Eastern mosquitofisha Gambusia holbrooki 0 0 0 0 0 1 87 0 0 51 11 1 3 154 Golden shiners Notemigonus crysoleucas 0 0 0 0 0 0 0 0 0 0 0 0 8 8 Inland silverside Menidia beryllina 8 1 1 1 0 1 0 1 20 0 0 1 0 34 Largemouth bassa Micropterus salmoides 0 1 0 0 0 0 0 0 0 1 0 0 0 2 Longnose gara Lepisosteus osseus 0 0 0 0 0 1 0 3 0 0 0 0 0 4 Mummichog Fundulus heteroclitus 0 0 0 164 0 19 322 0 0 164 15 0 0 684 Naked goby Gobiosoma bosci 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Pumpkinseeda Lepomis gibbosus 43 38 51 85 43 15 3 29 17 18 35 18 6 401 Rainwater killifish Lucania parva 0 0 1 40 1 3 6 0 0 12 7 0 0 70 Redfin pickerels Esox americanus 0 0 0 0 0 0 0 0 0 0 2 1 0 3 Sheepshead minnow Cyprinodon variegatus 1 0 1 4 0 1 70 0 1 6 7 0 0 91 Spot Leiostomusxanthurus 13 18 11 479 100 64 197 17 59 64 0 33 1 1,056 Striped mullet Mugil cephalus 0 0 0 0 0 0 7 0 0 6 0 0 0 13 Total 65 59 65 773 144 105 693 51 98 322 77 54 18 2,524 a Freshwater species. Table H-27. Hydrographic parameters measured at DCUT11 prior to fyke net deployment and retrieval in April, May, and June 2020. Parameters 2020 Net Deployment 31-Mar 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun Temperature (*C) 17.9 23.8 16.9 23.2 25.4 24.6 21.6 20.3 26.3 32.7 29.7 24.4 30.1 Dissolved oxygen (%) 68.9 67.4 78.4 90.0 98.8 89.6 91.0 73.5 71.2 65.2 70.3 39.2 43.4 Dissolved oxygen (mg/I) 6.4 5.5 7.2 7.4 7.8 6.7 7.6 6.3 5.5 4.3 5.2 3.3 3.4 Conductivity (mS) 10.5 9.5 10.0 10.9 12.7 11.4 10.8 9.6 3.4 4.0 9.5 1.7 5.4 Specific conductivity (mS) 12.5 9.7 11.8 11.3 12.6 11.6 11.5 10.5 3.3 3.5 8.7 1.7 5.0 Salinity (psu) 7.2 5.5 6.8 6.4 7.2 6.6 6.6 6.0 1.8 1.8 4.8 0.9 2.6 pH 6.8 7.1 7.8 7.1 6.7 6.9 7.3 7.3 6.8 6.8 7.0 6.7 6.7 Secchi depth (inches) >27.0 >34.0 >19.0 >19.0 >16.0 >26.0 >13.3 >34.0 >35.0 >12.0 >21.0 >23.0 >24.0 Water depth (inches) 27.0 34.0 19.0 19.0 16.0 26.0 13.5 34.0 35.0 12.0 21.0 23.0 24.0 % SAV visible 2.0 5.0 0.0 0.0 1.0 5.0 11.0 0.0 0.0 50.0 10.0 10.0 0.0 Net Retrieval 1-Apr 9-Apr 16-Apr 23-Apr 30-Apr 7-May 14-May 21-May 28-May 4-Jun 11-Jun 18-Jun 25-Jun Temperature (*C) 12.6 19.1 11.1 16.3 19.6 15.4 17.8 19.6 24.4 24.6 26.7 21.7 26.1 Dissolved oxygen (%) 41.1 22.0 43.1 32.0 53.2 43.0 23.0 22.6 12.2 11.3 24.8 18.4 15.5 Dissolved oxygen (mg/I) 4.2 1.5 4.5 3.0 4.6 4.0 3.1 2.0 1.1 1.0 1.9 1.6 1.2 Conductivity (mS) 7.3 8.2 8.2 9.4 11.7 8.9 9.8 9.2 3.7 4.0 8.9 3.4 4.4 Specific conductivity (mS) 9.5 9.3 11.1 11.3 12.0 10.9 11.4 10.2 3.7 4.0 8.6 3.6 4.3 Salinity (psu) 5.4 5.2 6.3 6.4 7.5 6.2 6.5 5.8 2.0 2.1 4.8 1.9 2.3 pH 6.5 8.9 6.9 6.9 6.9 6.6 6.7 6.6 6.7 6.7 6.7 6.6 6.4 Secchi depth (inches) >20.0 >37.0 >25.0 >15.0 >22.0 >19.0 >19.0 >36.4 >27.0 >13.3 >19.5 >24.0 >26.0 Water depth (inches) 20.0 37.0 25.0 15.0 22.0 19.0 19.0 36.4 27.0 13.3 19.5 24.0 26.0 % SAV visible 1.0 85.0 0.0 0.0 0.0 0.0 1.0 85.0 50.0 50.0 10.0 15.0 0.0 Table H-28. Fully enumerated list of all fish captured by fyke net at DCUT19 in April, May, and June 2020. Common Name Species 2020 1-Apr 9-Apr 16-Apr 23-Apr 30-Apr 7-May 13-May 21-May 28-May 3-Jun 10-Jun 18-Jun 25-Jun Total Atlantic silverside Menidia menidia 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Bay anchovy Anchoa mitchilli 0 0 0 0 0 0 0 3 0 0 0 0 0 3 Bluegilla Lepomis macrochirus 1 1 1 0 0 0 0 2 0 0 0 0 0 5 Eastern mosquitofisha Gambusia holbrooki 0 0 0 0 4 22 51 0 0 99 71 1 18 266 Inland silverside Menidia beryllina 3 0 0 0 0 0 0 0 0 0 0 0 0 3 Ladyfish Elops saurus 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Mummichog Fundulus heteroclitus 0 0 14 128 2 2 4,033 1 0 847 216 0 4 5,247 Pumpkinseeda Lepomis gibbosus 17 29 14 23 74 17 4 35 10 10 34 35 19 321 Rainwater killifish Lucania parva 4 31 29 88 54 9 90 22 66 11 113 3 7 527 Sheepshead minnow Cyprinodon variegatus 2 24 12 110 9 10 2,387 5 23 425 440 0 6 3,453 Spot Leiostomusxanthurus 47 167 35 137 73 134 325 67 121 34 110 32 66 1,348 Striped mullet Mugil cephalus 0 0 0 1 56 1 0 0 0 0 0 0 0 58 Total 74 252 105 487 272 195 6,891 135 220 1,426 984 71 121 11,233 a Freshwater species. Table H-29. Hydrographic parameters measured at DCUT19 prior to fyke net deployment and retrieval in April, May, and June 2020. Parameters 2020 Net Deployment 31-Mar 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun Temperature (*C) 18.7 24.5 16.5 22.6 25.1 23.6 21.6 20.6 27.4 32.4 29.2 25.9 31.8 Dissolved oxygen (%) 73.0 70.0 77.1 95.7 106.9 83.1 93.6 37.8 76.3 100.7 69.2 41.1 72.2 Dissolved oxygen (mg/I) 6.5 5.6 7.1 7.9 8.5 6.4 7.9 3.3 6.0 6.9 5.2 3.2 5.0 Conductivity (mS) 11.6 12.0 11.9 13.1 13.7 11.0 11.0 9.7 8.8 7.4 10.1 7.1 7.8 Specific conductivity (mS) 13.2 12.2 14.2 13.7 13.7 11.7 11.8 10.6 8.4 6.5 9.4 7.0 6.9 Salinity (psu) 7.6 6.9 8.2 7.9 9.4 6.4 6.7 6.0 4.6 3.5 5.2 3.8 3.8 pH 7.1 7.3 7.4 7.6 8.2 7.9 7.4 7.1 7.2 7.8 7.4 6.6 7.4 Secchi depth (inches) >26.0 >28.0 >28.0 >19.0 >16.0 >28.5 >13.0 >42.0 >32.5 >18.0 >22.0 >23.0 >27.0 Water depth (inches) 26.0 28.0 28.0 19.0 16.0 28.5 13.0 42.0 32.5 18.0 22.0 23.0 27.0 SAV visible 1.0 1.0 50.0 70.0 0.0 5.0 4.0 70.0 50.0 20.0 50.0 15.0 0.0 Net Retrieval 1-Apr 9-Apr 16-Apr 23-Apr 30-Apr 7-May 14-May 21-May 28-May 4-Jun 11-Jun 18-Jun 25-Jun Temperature (*C) 14.5 19.3 13.1 16.9 19.2 16.1 17.2 20.1 24.9 24.1 25.7 23.2 26.8 Dissolved oxygen (%) 32.4 27.0 48.8 56.4 73.8 24.8 52.4 24.0 13.2 11.5 37.9 26.9 30.7 Dissolved oxygen (mg/I) 3.1 2.4 4.9 5.2 6.4 2.8 4.8 2.1 1.1 0.9 3.0 22.3 2.5 Conductivity (mS) 9.7 9.5 10.5 11.9 12.1 9.4 8.9 9.6 8.4 6.9 9.7 7.5 6.1 Specific conductivity (mS) 12.1 10.7 13.6 13.5 13.6 11.3 10.4 10.5 8.4 5.4 9.5 7.8 5.9 Salinity (psu) 7.0 6.1 7.9 7.0 7.9 6.5 5.9 6.0 4.7 5.8 5.4 4.3 3.2 pH 6.5 6.9 6.9 6.9 6.9 6.8 6.9 6.9 7.0 6.9 7.1 6.7 6.6 Secchi depth (inches) >24.0 >20.0 >23.0 >18.5 >28.0 >21.5 >33.0 >43.0 >36.5 >18.5 >19.00 >22.5 >22.0 Water depth (inches) 24.0 20.0 23.0 18.5 28.0 21.5 33.0 43.0 36.5 18.5 19.0 22.5 22.0 SAV visible 1.0 75.0 50.0 70.0 5.0 10.0 1.0 30.0 70.0 50.0 25.0 25.0 0.0 Table H-30. Fully enumerated list of all fish captured in trawls at Duck Creek in April, May, and June 2020. Common Name Species 2020 2-Apr 8-Apr 14-Apr 21-Apr 29-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 17-Jun 23-Jun Total Atlantic croaker Micropogonias undulatus 9 249 32 66 630 504 355 38 29 15 64 11 36 2,038 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 7 58 2 1 0 0 3 0 71 Bay anchovy Anchoa mitchilli 0 101 1 0 6 42 5 15 1 14 4 39 9 237 Bluegilla Lepomis macrochirus 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Brown bullheads Ameiurus nebulosus 0 0 0 0 0 1 0 2 0 3 0 0 0 6 Hogchoker Trinectes maculatus 0 0 0 0 2 0 2 0 0 0 1 0 0 5 Inland silverside Menidia beryllina 2 4 0 0 1 14 8 1 0 2 0 0 0 32 Ladyfish Elops saurus 0 0 0 0 0 0 0 0 0 0 0 1 0 1 Pinfish Lagodon rhomboides 0 2 0 0 0 0 0 0 0 0 0 0 0 2 Rainwater killifish Lucania parva 0 0 0 0 0 0 0 0 0 2 0 0 0 2 Southern flounder Paralichthys lethostigma 0 0 0 0 2 1 0 2 0 0 0 0 0 5 Spot Leiostomus xanthurus 56 445 307 5 513 598 606 41 34 46 35 10 27 2,723 Summer flounder Paralichthys dentatus 0 0 0 0 0 0 0 0 0 0 2 0 0 2 White catfisha Ameiurus catus 1 0 1 0 23 0 0 0 0 0 0 0 0 25 Total 68 801 341 71 1,177 1,167 1,034 101 65 82 106 64 73 5,150 a Freshwater species. Table H-31. Hydrographic parameters measured at Duck Creek prior to fish trawls in April, May, and June 2020. Parameters 2020 2-Apr 8-Apr 14-Apr 21-Apr 29-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 17-Jun 23-Jun Near surface Temperature (*C) 14.0 20.9 19.5 16.4 19.5 20.5 18.8 21.4 23.2 22.8 28.1 22.0 27.9 Dissolved oxygen (%) 87.5 101.4 72.4 83.6 106.0 100.7 89.7 58.4 91.0 97.9 96.1 62.0 81.1 Dissolved oxygen (mg/I) 8.8 8.9 6.9 7.3 9.4 9.0 8.1 5.0 7.5 8.2 7.4 5.3 6.6 Conductivity (mS) 6.4 6.2 11.1 10.2 9.3 6.5 5.6 8.0 7.3 5.9 6.2 5.9 2.4 Specific conductivity (mS) 7.8 9.0 12.4 12.2 10.4 7.2 7.4 8.6 7.5 6.0 5.8 6.3 2.3 Salinity (psu) 5.1 5.0 7.1 7.0 5.9 4.0 4.1 4.8 4.2 3.3 3.2 3.4 20.0 pH 7.4 7.7 7.1 7.1 7.2 3.0 7.3 6.8 7.5 7.3 7.9 7.0 6.8 Secchi depth (inches) 35.0 34.0 32.0 44.0 25.0 58.3 25.0 26.5 32.5 22.5 24.5 28.0 19.5 Water depth (inches) 53.5 50.0 64.0 66.0 57.5 65.0 58.0 63.0 59.0 60.0 56.8 62.5 50.5 % SAV visible 0.5 0.5 5.0 0.0 0.0 0.0 20.0 5.0 10.0 10.0 10.0 0.0 0.0 Near bottom Temperature (*C) 16.1 19.9 18.2 16.5 18.9 20.8 18.2 27.5 23.1 23.8 27.4 22.1 27.4 Dissolved oxygen (%) 61.1 92.7 79.3 71.0 59.9 50.8 79.2 48.5 39.0 71.2 70.5 62.2 57.5 Dissolved oxygen (mg/I) 5.7 8.3 7.0 6.7 5.4 4.4 7.4 4.3 3.3 6.0 5.5 5.4 4.8 Conductivity (mS) 10.2 8.9 13.5 10.7 9.5 7.2 6.7 8.2 8.1 6.8 6.5 6.8 2.7 Specific conductivity (mS) 12.3 10.0 15.6 12.5 10.8 7.8 7.7 8.8 8.4 7.0 6.2 7.2 2.5 Salinity (psu) 7.1 5.6 9.1 7.4 6.1 4.7 4.3 4.9 4.7 3.7 3.4 4.0 1.3 pH 7.1 8.0 7.2 7.1 7.1 7.3 7.5 6.8 7.2 7.1 7.7 7.0 6.9 Table H-32. Shrimp and crab captured in fish collections and visual estimates of SAV cover in April, May, and June 2020. Fyke nets were used to fish DCUT11, DCUT 19, and Huddles Cut. "(Up)" indicates the upstream fyke net and "(Down)" indicates the downstream fyke net. The scores in the table are used to quantify the qualitative data. Creek 2020 Broomfield Swamp # wks score* SCUT1 # wks score* Jacks # wks score* Little # wks score* Jacobs # wks score* PA2 # wks score* D ri n kwate r # wks score* Tooley # wks score* Long # wks score* Penaid shrimp none 13 0 12 0 9 0 11 0 9 0 10 0 9 0 9 0 11 0 <10 0 0 1 1 1 1 2 2 3 3 3 3 3 3 3 3 2 2 10-50 0 0 0 0 2 4 0 0 1 2 0 0 1 2 1 2 0 0 51-100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >100 0 0 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 >200 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >300 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Frequency (%) Total Score* 0 0 8 1 31 9 15 2 31 5 23 3 31 5 31 5 15 2 Grass shrimp none 10 0 10 0 2 0 3 0 11 0 0 0 2 0 3 0 7 0 <10 2 2 2 2 0 0 1 1 1 1 1 1 0 0 1 1 2 2 10-50 1 2 1 2 1 2 4 8 1 2 0 0 1 2 5 10 2 4 51-100 0 0 0 0 1 3 2 6 1 3 1 3 0 0 2 6 1 3 >100 0 0 0 0 4 12 2 8 2 8 0 0 1 4 0 0 1 4 >200 0 0 0 0 2 10 1 5 1 5 1 5 4 20 0 0 0 0 >300 0 0 0 0 3 18 0 0 6 36 10 60 5 30 2 12 0 0 Frequency (%) Total Score* 23 4 23 4 85 45 77 28 92 55 100 69 85 56 77 29 46 13 Blue crab none 12 0 12 0 9 0 8 0 7 0 8 0 10 0 8 0 10 0 <10 1 1 1 1 4 4 5 5 6 6 5 5 3 3 5 5 3 3 10-50 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 51-100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >200 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >300 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Frequency (%) Total Score* 8 1 8 1 31 6 38 5 46 6 38 5 23 3 38 5 23 3 SAV Minimum % Visible Maximum % Visible Average % Visible # of Weeks SAV visible 0 0 0.0 0 0 0 0.0 0 0 100 54.0 12 0 15 3.3 6 0 100 41.6 10 10 100 65.8 13 1 30 9.9 13 0.5 15 7.7 10 0 10 0.8 2 Frequency (%) 0 0 92 46 77 100 100 77 15 *Score is calculated by multiplying the number of weeks each abundance category was captured by the value assigned to that abundance category. Assigned values for each caetgory: none = 0 <10= 1 10-50 = 2 51-100= 3 >100 = 4 >200 = 5 >300 = 6 Table H-32. (concluded). Creek 2020 Muddy # wks score* Huddles (Up) # wks score* Huddles (Down) # wks score* Porter # wks score* DCUT 11 (Up) # wks score* DCUT 11 (Down) # wks score* DCUT 19 (Up) # wks score* DCUT 19 (Down) # wks score* Duck # wks score* Total # wks score* Penaid shrimp none <10 9 2 0 2 9 4 0 4 8 5 0 5 10 3 0 3 13 0 0 0 13 0 0 0 11 2 0 2 11 1 0 1 11 2 0 2 188 37 0 37 10-50 2 4 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 8 16 51-100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 >200 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >300 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Frequency (%) Total Score* 31 6 31 4 38 5 23 3 0 0 0 0 15 2 15 3 15 2 - 57 Grass shrimp none 4 0 3 0 3 0 7 0 7 0 6 0 2 0 3 0 1 0 84 0 <10 2 2 2 2 2 2 3 3 3 3 5 5 2 2 2 2 4 4 35 35 10-50 5 10 2 4 3 6 2 4 3 6 2 4 7 14 5 10 4 8 49 98 51-100 0 0 2 6 2 6 1 3 0 0 0 0 2 6 3 9 1 3 19 57 >100 0 0 0 0 2 8 0 0 0 0 0 0 0 0 0 0 2 8 14 52 >200 2 10 3 15 1 5 0 0 0 0 0 0 0 0 0 0 1 5 16 80 >300 0 0 1 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27 162 Frequency (%) Total Score* 69 22 77 33 77 27 46 10 46 9 54 9 85 22 77 21 92 28 - 484 Blue crab none 9 0 2 0 1 0 9 0 13 0 13 0 4 0 8 0 10 0 153 0 <10 4 4 5 5 8 8 4 4 0 0 0 0 9 9 5 5 3 3 71 71 10-50 0 0 6 12 4 8 0 0 0 0 0 0 0 0 0 0 0 0 10 22 51-100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >200 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >300 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Frequency (%) Total Score* 31 4 85 17 92 16 31 4 0 0 0 0 69 9 38 5 23 3 - 93 SAV Minimum % Visible Maximum % Visible Average % Visible # of Weeks SAV visible 0 20 2.3 2 0 1 0.1 2 0 0 5 20 0.4 2.3 1 3 0 50 6.2 8 0 50 10.2 7 0 70 21.4 11 0 75 31.4 11 0 20 4.8 9 - - - - Frequency (%) 15 15 8 23 62 54 85 85 69 - *Score is calculated by multiplying the number of weeks each abundance category was captured by the value assigned to that abundance category. Assigned values for each caetgory: none = 0 <10= 1 10-50 = 2 51-100= 3 >100 = 4 >200 = 5 >300 = 6