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HomeMy WebLinkAbout20080229 Ver 1_Year 8 Monitoring Report_20151112FORREST CREEK MITIGATION BANK STREAM RESTORATION SITE ORANGE COUNTY, NORTH CAROLINA MONITORING YEAR 8 REPORT VEGETATION MONITORING November 11. 2015 Table of Contents 1.0Introduction ...............................................................................................................................1 1.1 Project Location and Description.........................................................................................1 1.2 Project Goals and Objectives-,. ... **-4 .................................... * ... * .... ** ........ 2.0 Vegetation Condition and Comparison.. ... 664-4 ...... 4 ...... ........................................................ 3 3.0 Methodology......... .................................... ... 4 ....... 66.66-64.66.66 .... 4 .... 4 ........ 4 .................................. 3 3.1 Vegetation Monitoring Plots....... ... 64 ... ............. 4 ................................................................ 3 4.0 References. ... 6 .... 4 ...... 4 .................................. ........ 4— .......... ......................... 5 Appendix A: Site Maps Figure 1: Site Location Map Forrest Creek Restoration Conservation Easement As-Built Exhibit (Sheets l through 5) Appendix B: Veeetation Assessment Data Table 1: Vegetation Plot Mitigation Success Summary Table 2: Stems per Acre by Plot and Year Appendix C: Veeetation Monitoring Plot Photos Appendix D: Vegetation Monitoring Plot Data Sheets Appendix E: Correspondence 1.0 Introduction 1.1 Project Location and Description The Forrest Creek Stream Restoration Site (Site) of the Forrest Creek Mitigation Bank (Bank) is located in Orange County North Carolina within land owned by Milton A. Latta and Sons Dairy Farms, Inc. A permanent conservation easement covers the restored stream and surrounding riparian buffer. This easement defines the Site's boundaries. The Site is located approximately seven miles northeast of Hillsborough and six miles northwest of Durham in northeastern Orange County, North Carolina (see Figure 1, Appendix A). The streams lie within USGS hydrologic unit 03020201020020 in the Neuse River Basin. The North Carolina Division of Water Resources (NCDWR) classifies the main reach, Forrest Creek, as a WS -11 (water supply H), HQW (high quality water), and NSW (nutrient sensitive water). The Site includes two streams. The larger reach (Forrest Creek) flows through the property from north to south and drains a 3.6 square mile area predominantly consisting of forest and pasture land. The smaller tributary (UT 1) flows from west to east before joining with Forrest Creek, and drains a 0.1 square mile area predominantly consisting of pasture land. The Forrest Creek Restoration Conservation Easement As -Built Exhibit is located in Appendix A (Sheets 1 through 5). The stream restoration work is regulated under the Forrest Creek Mitigation Bank Mitigation Banking Instrument (MBI) signed by the Sponsor and the US Army Corp of Engineers (USACE), the US Environmental Protection Agency (USEPA), the NC Division of Water Quality, now hereby referred to as Division of Water Resources (DWR), and the NC Wildlife Resources Commission (NCWRC). These agencies comprise the Interagency Review Team (IRT), formerly the MBRT, in accordance with Federal guidelines and regulations, including the Compensatory Mitigation losses of Aquatic Resources Final Rule, 33 CFR Parts 325 and 332 and 40 CFR Part 230. Restoration work resulted in the restoration of 6,825 linear feet, enhancement (Level 1) of 325 linear feet, and preservation of 3,005 linear feet of stream. With the restoration, water quality has been improved due to a decrease in nutrients, turbidity, and moderation in water temperature. Biochemical oxygen demand has been reduced through filtering in the riparian buffer and riverine wetlands. Potential habitats have been added through the creation of bed features and the reestablishment of riparian vegetative community. The annual monitoring work assesses the Forrest Creek main channel and the Unnamed Tributary to Forrest Creek to determine restoration success. The monitoring plan has been set up based on guidance provided by The Stream Mitigation Guidelines developed by the United States Corps of Engineers—Wilmington District (McLendon, et al. 2003), version 1.2 11/16/2006) of the North Carolina Ecosystem Enhancement Program (EEP) document entitled "Content, Format, and Data Requirements for EEP Monitoring Reports", version 2.0 (3/27/2008) of the EEP document entitled "Mitigation Plan Document Format, Data Requirements, and Content Guidance", and the Forrest Creek Mitigation Bank Mitigation Plan (May 2008). Monitoring occurred annually for five years and reports were submitted. Annual monitoring work has included reference photographs, vegetative stem counts, materials sampling, site survey, bankfull event documentation, and visual assessment and mapping of significant features. Year 5, 2012 monitoring was completed on September 18 and 19 and October 16, 2012. The Year 5 Monitoring Report for the Forrest Creek Buffer Mitigation Bank was submitted on December 4, 2012. Members of the IRT, more specifically representatives from DWR and USACE, met with EBX-EM, LLC (EBX) on-site to evaluate the success of the riparian buffer restoration. Based on the results of the on-site meeting, DWR requested additional vegetation monitoring for a period of three years (DWR Additional Monitoring Required letter, May 3, 2013, DWR Project # 2008-0229, Appendix E). More specifically, DWR had the following comments: "Significant areas within Zone 1 of the riparian buffer along the entire reach of the Forrest Creek mitigation site appeared to lack adequate stem counts most likely due to soil type and hydrology issues. Stems that were present in Zone 1 were mostly small, indicating they may have been part of supplemental planting performed in 2010 required by DWQ and ACOE. Action Required: EBX shall reevaluate Zone 1 throughout the entire mitigated portions of Forrest Creek and provide a remediation plan sufficient to provide adequate vegetation in Zone 1. Sufficient ground cover should be reestablished in all bare areas and, where adequate stem counts are absent, EBX shall plant trees that are desirable for that specific soil type and hydrology. DWQ recommends larger trees be planted in some of the most problematic areas along the reach. Modifications to the approved buffer mitigation plan are allowed to provide EBX with the flexibility of choosing tree species and vegetation that are more likely to survive and reach maturity. EBX may make additional recommendations to promote site success. Monitoring reports shall be submitted for three more years (2013, 2014, and 2015), and shall record only the vegetation conditions along Zone l." This Monitoring Report addresses buffer restoration areas between Stations 214+00 and 232+00, which includes Vegetation Plots 2, 3, and 4. 1.2 Project Goals and Objectives The goals of the project relate to providing ecological improvements to the Site's streams and riparian buffers through beneficial modifications of hydrology, water quality, and habitat. Goals related to hydrology include: • Re-establishing floodplain connection by raising bed elevations (UTI) or lowering adjacent floodplain (Forrest Creek) • Increasing flood storage by re-establishing floodplain connection Goals related to water quality include: • Reducing turbidity and pollution by reducing sediment and nutrient inputs cattle exclusion) • Reducing water temperatures by providing shading • Increasing / stabilizing oxygen levels by reducing BOD /COD and increasing re - oxygenating turbulence Goals related to habitat include: • Improving in stream bed habitat by increasing riffle -pool diversity, reducing sediment deposition, and improving low flow water depths • Improving bank habitat by increasing stability and woody biomass • Improving floodplain habitat by establishing microtopography and hydrology, removing invasive vegetation, and increasing habitat diversity • Improving food web dynamics by adding biomass (such as detritus, coarse woody debris, and leaf matter) and re-establishing floodplain connection The restoration achieves these goals through the following objectives: • Stabilizing channel bed and banks through modifying dimension, pattern, and profile using natural channel design • Installing in-stream structures such as rock vanes, log vanes, and constructed riffles • Raising stream bed elevations or lowering floodplain • Restoring soils in riparian buffer by excluding cattle and adding organic components • Removing invasive vegetation • Planting native vegetation in riparian buffer • Fencing out livestock Together, these improvements have provided functional uplift for the watershed as a whole. The dimension, pattern, and profile were restored using Rosgen Priority I and Il restoration approaches (Rosgen, David L. 1997). The Priority I approach was used on the UT to Forrest Creek to raise bed elevations and reconnect the stream to the abandoned floodplain. The Priority II approach was used on Forrest Creek to reestablish an active floodplain at the existing bed elevation. These methods have decreased stream bank erosion, established an active floodplain, reduced channel stress during floods, improved aquatic habitat, and reduced fine sediments. A portion of Forrest Creek immediately above the restoration reach was enhanced by modifying a downstream crossing that had created ponding upstream. The crossing modification reestablished natural flow and will create a natural channel profile. Above the enhancement area, a section of Forrest Creek has been placed under conservation easement to preserve a functional stream channel and riparian buffer. The remaining impaired riparian buffer was planted as four (4) zones. Zones 1 and 2 are the stream channel and bank zones consisting of tree and shrub species and native herbaceous seeding typically found along stream banks in the region. Live stakes comprised the bulk of installed species within these zones. Zone 3 is the riparian zone consisting of selected tree and shrub species with a range of tolerances to inundation and saturation. Zone 4 is the transitional zone that includes the buffer areas (subject of a separate report prepared for DWR). 2.0 Vegetation Condition and Comparison Re-planting within the Conservation Easement (CE) was not prescribed at the conclusion of Monitoring Year 7 (MY7) activities; nor were additional stems planted post MY7 activities. Current stem counts (i.e. stem is defined as single living tree species) were calculated using Vegetation Plot monitoring data. Success will be defined as the survival of a minimum density of 320 trees and shrubs per acre. In Monitoring Year 8 (MY8), monitoring was conducted for three (3) Vegetation Plots (Vegetation Plots 2, 3, and 4) located between Stations 214+00 and 232+00. MY8 field activities were conducted on October 27 and 28, 2014. The planted and volunteer survival threshold was met for all three (3) Vegetation Plots. In summary, stem survival rate for MY8 was similar to stem survival rate for MY7. This condition is indicative of a mature established stream buffer trending towards equilibrium. Summary tables of the data collected are provided in Appendix B. 3.0 Methodologv 3.1 Vegetation Monitoring Plots All monitoring methodologies follow the most current templates and guidelines provided by DMS (EEP, 2010; EEP, 2011). Baseline vegetation monitoring was conducted in accordance to CVS-EEP Protocol for Recording Vegetation (CVS-EEP, v4.2). All three (3) vegetation plots that were installed were located in Monitoring Year 8. Sheets 1 through 5 of the Forrest Creek Restoration Conservation Easement As -Built Exhibit (Appendix A) depict the locations of the vegetation plots. Table I (Appendix B) provides a success summary for each vegetation monitoring plot. Based on the vegetation monitoring, the planted and volunteer survival threshold was met for all three (3) Vegetation Plots. In summary, stem survival rate for MY8 was similar to stem survival rate for MY7. This condition is indicative of a mature established stream buffer trending towards equilibrium. Table 2 (Appendix B) provides a summary of stems per acre by Vegetation Plot and by monitoring year. Vegetation Monitoring Plots were photographed and are located in Appendix C. Vegetation Monitoring Plot Data Sheets are provided in Appendix D. Each Vegetation Monitoring Plot Data Sheet provides measurements, location, and vigor of each planted species within a respective vegetation monitoring plot. An inspection of the fence around the perimeter of the conservation easement was conducted during the vegetation monitoring site visit. An approximately 500 -foot section of the electric fence extending east from Edmund Latta Road on the south side of the easement was found to be damaged. Multiple cattle were observed within this portion of the easement during the site visit. All cattle were removed from the easement and the fence was restored to operable condition on October 27. 2015. 4.0 References Kimley-Horn and Associates, Inc. 2012. Forrest Creek Mitigation Bank — Forrest Creek Stream Restoration Site Annual Monitoring Reoort —Year 5 (2012). Kimley-Horn and Associates, Inc. 2012. Forrest Creek Riparian Buffer Mitigation Bank — Forrest Creek Stream Restoration Site Annual Monitoring Report —Year 5 (2012). Lee Michael T., Peet Robert K., Roberts Steven D., and Wentworth Thomas R., 2008. CVS-EEP Protocol for Recording Vegetation Level. Version 4.2 North Carolina Ecosystem Enhancement Program (EEP) October 2004. Guidelines for Riparian Buffer Restoration. Available at intemet site: htti)://www.nceen.net/news/mports/buffers.pdf. North Carolina Ecosystem Enhancement Program (EEP) January 15, 2010. Procedural Guidance and Content Requirements for EEP Monitoring Reports. North Carolina Ecosystem Enhancement Program (EEP) November 7, 2011. Monitoring Requirements and Performance Standards for Stream and/or Wetland Mitigation. Schafale MP and AS Weakley. 1990. Classification of the Natural Communities of North Carolina: Third Approximation. North Carolina Natural Heritage Program, Division of Parks and Recreation, Department of Environment and Natural Resources. Raleigh, North Carolina. APPENDIX A Site Maps / I H I. G L S S (a R pJU G USGS 7.5 MINUTE "CALDWELL, NC' QUADRANGLE, 1968; 36.1435655N• 79.0943321'W , --- FAItom= PRH[.A'IlCIARY PLAT Ndla RnodfvaaCnovrymx m9b i __ VI lJ 1\ � PRFMCNARY PIAT NNM Wwtypec CnnpuenpBYY == ZE ---------- PRRLIIr WARYP T // \ Nw(aRwoN�um Coewyaww6Ys / F mon CftE H6SIO nw I S uuS uuaM ff-MM—P-WAREMP � n Y xmm, m�tla \ L i , w IPo&/iWY YA&.A4INARY PLAT Nm tr e�xa m r®•.r. � m a.� 'P _- -"� ... g f'ORR6ST CR&6K NF.TTONAHON'• APPENDIX B Vegetation Assessment Data Table 1. Vegetation Plot Mitigation Success Summary Table Forrest Creek Mitigation Bank Stream Restoration Site Orange County, NC Monitoring Year 8: October 27 & 28, 2015 McAdams Project #: EBX-13050 PLANTED & VOLUNTEER STEMS PER ACRE Vegetation Plot ID Vegetation Threshold Met?* Tract Mean 2 Yes 100% 3 Yes 4 Yes Target density is a minimum of 320 trees and shrubs per acre according to the "Forrest Creek Mitigation Bank—Forrest Creek Stream Restoration Site Annual Monitoring Report — Year 5 ", 2012. Table R SMme per Pan by PIM and Year F.—I Creak WbWtlan Rank Siream Rea\metlan Slb Orange county. xc APPENDIX C Vegetation Monitoring Plot Photos Forrest Creek Mitigation Bank Stream Restoration Monitoring Year 8 Report Vegetation Monitoring Plot Photos Orange County, North Carolina EBX-13050 October 27 & 28, 2015 Vegetation Monitoring Plot Photos: Veg Plot 2: At 0,0 Veg Plot 3: At 0,0 r APPENDIX D Vegetation Monitoring Data Sheets Mn Freak Nem. 0 wem.,Va.. 17 Pm�am: tyro: tOMMOnm9ts Pml.ixe (m^z)= 1a0 gm.. (m^2)= tag Namc VO2 atemGacre= 324 atemaracm= me 81. 1nm a tom weer. narrow imr mmm..w 11-11- ,roe.........-...._.... _.... ............_..__ a comm wv 9.ta d tyro w to ehm Sh mN4O 13 s.9 Balulani RFrer eimh 3 88538 Blln].3]5208 Flmlinua mn Ivanica Green Ash 3 2.285 9.9,5 Fradnus en vanka Green AeM1 3 Vol. 1.050 9 B FreNnue n venire Grem PSh 3 Vol. 20000.5 1.- enn =a Gredl Pah 2 Va[`Ecer ISOBB 4.1 Oux s elb5 Wllbw Oak 3 2.1451.9Quer.. W.,,tl Pin Oak 3 4.620 89 1.3 0uerwa micM18uul Swam Chew Oak MLN 8.9 5 Qu&.. IUNtls Pln Oak Mlatln V.I. 8.8 93 fm[inus a00 woke GreenAh 3 Vol. tow 252 OB 3.2 F,Inue Bens Wmim Gmeo Ash 3 VOL 1.40] 204 9.8 3.1 Fraenus m vanity Grem Ash MikMn Vol. 9.5 9.9 FlaJnua en vanica Green Ash MI.Wn Vol. 9.9 88 Fratlnus n ventre Green Aeh 3 Vol. 2,686 229 9 B.] Frennue nn v0niro Green Pah MlssiO Vol. ]A 3 L' ulWmbar aGlluc Sveal Gum 3 Val. tA40 18 5.1 34 LinManertn mli Lm Tull P ler Mis6in W 0.5 3 Li IUemEor Gflua S.m Gum 3 Vol. 1.320 210 1.3 32 Li wambar ciMa Stand Gum 3 Vol. 1000 ].1 53 BWwWra RMr 13d W"S 1.3 55 Qu,IuaVL Pin Oak 3 1088 120 1 8.5,. Llectlmtlran lull ere TulipP 3 9.6W 1]8 .A. . .....w....... �.mm.9 Tune P-1.11.1 wr 3 485 128 MV] 0.3 tl Amina tMoba on Name Commm PaNmN Cosslitlop Missing cam anb a Project: FIsmNCreek stems= 0 stems - Vol.= 12 WN: IN28NO15 pat sps, m"2)= 100 plat me(W2)= 100 Name: Vl]3 ebmslacm- 243 ebmelecre= 486 stn: lour x tom Beales m Rhar&rch Needs cover: mind Came Brovue, papaw reavetl wnnoser, soft mph -1W%water, additional voluntamp. resxeel gum -8 greenasn a-]sYM � uv ow 3.0 0.3 tl Amina tMoba on Name Commm PaNmN Cosslitlop Missing cam anb a 1 c 6.3 3.4 Aspiva In ips Gammpp Papposs, 3 8.56 W 4,9 9.0 Atlmina VlbEn Ccmmsp Psamme Mesin 1.7 9.9 Beales m Rhar&rch Needs 74 53 Comusamomum Silky D as 3 8.580 200 0.9 4.0 Comus amomum Silky0 otl 3 8720 200 97 85 Fail peomeAmnloas Groep Ash 3 3.138 330 82 1.8 FrOunua paproadvenlod, Green Mh 3 2019 240 4.5 28 Fraanus ennalivampa Greep Ash 3 Vol 3,470 3M1 5.1 9.3 Foale vanloa GfoM Ash 3 Vd. 2558 305 74 63 F�nus rouvaried Green A¢h 3 Vol. 3020 34 7.5 Bl) F2dnus n venloa Gmen Ash 3 1.]53 270 0.7 100 FmHms mrm va Green Ash 3 Vol. 8898 300 00 O9 Fraanua Groan AaM1 3 Vol. 1.190 219 0.0 7.0 GuerWsroro luans�m %n Oak Moa da line 10.0 BO Ll uMamlear Amagua 6waet Gum MI¢a 7.0 0 ]. 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"so: Foneacreek creme= 5 crams+va.= 18 Data: t012]rz015 plan size (i= IN qm a. edi IN Name: VO4 abmLacm• 202 ..,ad.. 847 81n: lord xIon, AM 3 Vol. 1.51 Cmar. ea -el saI.ka—ec VmoNeHon—a is a..elmed W aeon -3 Eetlem red ceder volunteme ... xv. am 0 32 Aaimina lrilo0a 1 Scientific Nam aRGr.,]f n Pea aw C n 3 Cammanle deN mNeline M Nam IIWWL= 202 30'] 82 46 FrexiOus enslvenkan AM 3 Vol. 142 3N 3.5 63 Fraxlnus arm Ivanicen AM 3 Vol. 1.51 233 1 8 Fmxicusauelwrkmn AM 3 V01. 1.45 250 8.5 87 Fmxinus enslinnumn AM 3 Vol. 106 288 5.7 7.8 Freanus ann Iveniun AM 3 Vol. 1886 300 3.5 27 Fraxlnus enn Ivanien AM 3 082 2W 25 t6 Fmx n AM Mae 02 0.8 limends a n AM Man 1 22 Fraxlnus a n AM 3 1.051 186 65 to Fmxinus a en AM MenS R Ftaxinua i ventreen AM Meai5A P alas deMdaemWM Mmml Vol. ].3 3] OuacuamiMeuxil bnnul oekMls¢iri 05 Ouettw uNM Oek 3 005 172 5.5 Oumas Nele¢ Will"Oak 3 ORR t48 Ouertu9 Maine W 5 Gu— k—Oak5 1 I.. Oumau alueN¢ Pin Oak Pin ak 3 Vd. 281 3]0 O6 LI uidetem radlue Bweet Gum J Vd. R.305 3e0 pol R Beale nl m BirM 3 Vd. 103 2953 Beale nim Rv MuerBids54 Beale ra Wvin J Vd. 205 363 a Oumaw eluarM1m ak Pin Oak 3 Vd. 1885 30085 Owwa Pin Oak ] adua. Owwepalutlri¢ Pin Oak 3 Vd. 053 181 APPENDIX E Correspondence oft North Carolina Department of Environment and Natural Resources DlvlaW of Water 0uallly Pal McCrory Charles Walid, P.E. An E. Sivas, III Goveaux Media Secretary May 3, 2013 Mr. Thomas Rinker DWQ Project # 2008-0229 FDX -EM, LLC Orange County 909 Capability Drive, Suite 3100 Raleigh, NC 27606 Re: Additional Monitoring Required Forrest Creek Buffer Bank Parcel Dear Mr. Rinker: On December 4, 2012, the Division of Water Quality (DWQ) received a Year 5 Monitoring Report for the Forrest Creek Buffer Mitigation Bank and a request for close-out. On April 15, 2013, Katie Merritt and Jennifer Burdette with the Division of Water Quality (DWQ) visited the site along with Tommy Cousins and Norton Webster from EBX-EM, LLC (EBX) to evaluate the success of the riparian buffer restoration. Eric Kulz from DWQ and Monte Matthews with the Army Corps of Engineers (ACOE) were also present to evaluate the success of the stream mitigation. During the site evaluation for riparian buffer restoration, Ms. Merritt noted the following: 1. Significant areas within Zone I of the riparian buffer along the entire reach of the Porrem Creek mitigation site appeared to lack adequate stem counts most likely due to soil type and hydrology issues. Stems that were present in Zone I were mostly small, indicating they may have been pan of supplemental planting performed in 2010 required by DWQ and ACOE. Action Required: EBX shall reevaluate Zone I throughout the entire mitigated portions of Forrest Creek and provide a remediation plan sufficient to provide adequate vegetation in Zone 1. Sufficient ground cover should be reestablished in all bare areas and, where adequate stem counts are absent, EBX shall plant trees that are desirable for that specific soil type and hydrology. DWQ recommends larger trees be planted in some of the most problematic areas along the reach. Modifications to the approved buffer mitigation plan are allowed to provide EBX with the Flexibility of choosing tree species and vegetation that are more likely to survive and reach maturity. EBX may make additional recommendations to promote site success. Monitoring reports shall be submitted for 3 more years (2013, 2014 and 2015) and shall record only the vegetation conditions along Zone 1. 2. Zone 2 of the riparian buffer along the mitigation site was deemed successful and no additional monitoring in this area is required. Action Required: Now weeanas, Bulirs, Slamealer, Compnanceane PemstaM Una e 1650 Mail Service Center, aalebh, NaN Carolina 2]m9 -n650 to /C�aroll/ina Phone: 91990]-M3 11iFAX:9 9aW-64 lm faroia T26B1 (9^Fbo4 �Q6Hr'gjj; InknxA hlg:11paal.adenrbfg a w.pWSS lx MFquaeppg6r*1Mi„uereA En , PBX -EM, LLC Forrest Creek Buffer Batik Page 2 of 2 May 3, 2013 3. Cattle fencing was down in many areas along the mitigation site. Alan noted was that cattle had been present within the buffer mitigation areas and along the stream banks. Action Required: Replace or restore all fencing where necessary 4. DWQ noted that the presence of beavers is still posing a problem on this site. Action Recommended: Place meshing material around the bottoms of larger trees in Zone I that may be more prone to beaver activity. 5. The existing conservation easement has yet to be transferred/assigned to an approved land it or stewardship. Please note that this action must be completed prior to a final credit release. A remediation plan with dates provided for implementation shall be provided to DWQ no later than July 1, 2013 addressing the actions listed above. Pictures showing site conditions before the remediation are requested to be included in the remediation plan. The remaining credit release for this site is 10 percent. However, this remaining credit release is intended for the close out of the buffer mitigation bank. It is anticipated that the credit release of 10% will be provided when all monitoring, as indicated above, has proved that the riparian buffer restoration is successful and that Item (5) above has been completed. Please feel free to contact Katie Men ill at (919) 807-6371 if you have any questions regarding this correspondence. KarenSincerely,��/'�/y,5v`�� up,,, Wetlands, Buffers, Stonnwatey Compliance and Permitting Unit KAH/kym cc: File copy (Katie Merritt) Tommy Cousins - PBX (via electronic mail) Monte Matthews— Army Corps of Engineers (via electronic mail)