the need for brds (bycatch reduction devices) project terrapin marine academy of technology and...
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The Need For BRDs(Bycatch Reduction
Devices)
Project Terrapin
Marine Academy of Technology and Environmental Science (MATES)
195 Cedar Bridge Road, Manahawkin New Jersey 08050
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Social ProblemSpecies dying worldwide from
human industrialization
Many varieties of humandestruction
Bycatch
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Crab Pot Design and IssueBendable
openings
Species cannot escape
Drowning
Law: 72 hoursDiagram of a basic crab pot
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Abandoned “Ghost Pots” that could contain drowned
terrapins and other non-targeted species.
“Ghost Crab Pot” found with 94 dead
terrapins in Georgia
Derelict “Ghost” Crab Pots
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BRD Team “Ghost Pot” Searches
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Why New JerseyDensest populated state
Commercial & recreational crabbing◦Barnegat Bay Estuary◦Delaware Bay Estuary◦New York-New Jersey Harbor Estuary
Billion dollars◦Tourism◦Fishing◦Crabbing
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Why This Species?
Bio-indicators
Proliferation of species
Species of concern
Late maturityDiamondback Terrapin (Malaclemys terrapin )
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Other BycatchSpider crabs
Conches
Summer and winter flounder
Pufferfish
“...approximately 250,000 derelict “ghost” traps are added to the Gulf of Mexico each year”("National Oceanic and Atmospheric Administration")
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BRD: Bycatch Reduction DevicePrevent larger
species fromentering crab pots
Easy to install
Cost-effective
Can be made to fit any size
A BRD attached to acommercial-style crab pot
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Impact of BRDsLower bycatch mortality
Mandatory in Maryland on all crab pots
Scientifically proven to not decrease crab capture rates
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How to Use a BRD
1. Put the BRD over the opening of the crab pot
2. Fasten with wire ties
3. Ready to use!
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GoalReduce the number of species
killed from human development
Female diamondback terrapin drowned in a crab pot without BRDs in Ocean County, NJ
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BRD Initiative & Local SupportFounded: November 2009
Newspaper articles: The Sandpaper, Asbury Park Press
Signatures: 5,000+
Facebook Cause “Saving the Diamondback Terrapin” members: 500+
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Public OpinionLetters of support
From local communitiesLocal Stores
L & H Woods and WaterLacey Marine
Local schoolsProject Terrapin Calendar Contest
Brought awareness of the use of BRDs to children and adults
Afterschool OutreachLocal Presentations
LBI Foundation of the Arts and Sciences, LBI Rotary, Tuckerton Seaport, NJ Endangered & Non-game Species Council, Boy Scout Troops, Fish Hawks
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Statistics on Crab Catch“Contrary to the substantial effect on
terrapins, BRDs had little to no effect on crab catch” (Rook et al. 2010)
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Statistics on Terrapins Presence
(Rook et al. 2010)
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SynopsisAnimals are drowning
BRDs can save lives
Maryland has already passed a law
Cost-effective
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LinksBycatch Reduction Device Team
Website: http://team-brd.webs.com/
Saving the Diamondback Terrapin Cause: http://www.causes.com/causes/547468
Project Terrapin Website: http://www.ocvts.org/htm/mates/mates-bulletinboard.html
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Acknowledgements
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How to Help1. Promote the use of BRDs!
◦ The more everyone knows, the more you can help.
2. Use a BRD!◦ If you have a crab pot…use a BRD!
3. Let’s not repeat the same mistake that others have. Take a stand to
protect our local species and preserve our ecosystems!
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Sources (2005). The Barnegat Bay Beat, 4(2), Retrieved from http://www.bbep.org/dwnloads/spr05.pdf
Blanvillain, G, Schwenter, J, Day, R, Christopher, S, Roumillat, W, & Owens, D. (2005). Using diamondback terrapins, malaclemys terrapin, as sentinel species for monitoring mercury pollution in estuarine systems. Allen Press, Retrieved from http://abstracts.co.allenpress.com/pweb/setac2005/document/55518
Butler, J, & Heinrich, G. (2005). Noaa project final report. Retrieved from http://www.nmfs.noaa.gov/mb/financial_services/skpdfs/Attachment5.pdf
Diamondback Terrapin Working Group. (2004). Retrieved from http://dtwg.org/
Chesapeake bay glossary. (2009, February 17). Retrieved from http://www.mariner.org/chesapeakebay/waterman/vocab.html
Fisheries technical report. (2009, December 09).
Alaska Sea Grant. (2009, February February). Ghost pots: arctic science journeys radio. Retrieved from http://seagrant.uaf.edu/news/02ASJ/01.11.02gho stpots.html
National Oceanic and Atmospheric Administration. (n.d.). Gulf of mexico derelict crab trap problem. Retrieved from http://www.gsmfc.org/derelicttraps.htm
Hart, M, Kristen, C, McIvor, Carole, King, Tim, & Crowder, Larry. Integrating ecology and genetics to define population extent for a continuously-distributed species, diamondback terrapins (malaclemys terrapin). (2007). Retrieved from http://sofia.usgs.gov/publications/posters/terrapin_pop/
Maryland Department of Natural Resources. Keep Terrapins and other air-breathing animals out of your crab pots. Retrieved from http://www.dnr.state.md.us/fisheries/recreational/terpart899.htm
NOAA. (2009, February 17). Marine debris program - projects. Retrieved from http://marinedebris.noaa.gov/projects/ncterrapin .html
McFaden, F. (2008, May 8). New recreational crab pot requirements. Retrieved from http://www.dnr.state.md.us/fisheries/regulations/crabpot-trd/crabpottrd.html
More Crab pots for bay ok'd, but agency closing loopholes. (n.d.). The Virginian Pilot, Retrieved from http://www.highbeam.com/doc/1G1- 68469554.html
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Sources Ccrbot. [Web]. Retrieved from http://www4.ncsu.edu/~dbeggles/education/syne rgy
/graphics/Bimages/ccrbpot.jpg
Kaprolis, K. (n.d.). Lost crab pots still catching crabs. Retrieved from http://indiancountrynews.net/index2.php?option%20%20=com_content&do_pdf=1&id=3753
New Jersey Department of Environmental Protection Division of Fish and Wildlife. Retrieved from http://www.state.nj.us/dep/fgw/about.htm
National Oceanic and Atmospheric Administration. Noaa news online (story 2693). Retrieved from http://www.noaanews.noaa.gov/stories2006/s26 93.htm
Terrapin Conservation at the Wetlands Institute. Retrieved from http://www.terrapinconservation.org/
Roosenburg, W, & Green, J. Impact of bycatch reduction devices on diamondback terrapins and blue crab capture in crab pots. (2000). Ecological Applications, 10(3), 882-89.
Roosenburg, W , Cresko, W, Modesitte, M, & Robbins, M. Diamondback terrapin (malaclemys terrapin) mortality in crab pots. (1997). Conservation Biology, 11(5), 1166-72.
Salty Dog Tackle. (2006, June 03). Salty dog tackle-saltwater fishing tackle forum. Retrieved from http://saltydogtackle.blogspot.com/
U.S. Fish and Wildlife. State-wide crab trap removal program. Retrieved from http://www.fws.gov/texascoastalprogram/State% 20Crab%20Trap%20Removal%20Program.htm
Roosenburg, W. The Impact of crab pot fisheries on terrapin (malaclemys terrapin) populations: where are we and where do we need to go?. Conservation and Ecology of Turtles of the Mid-Atlantic Region, 23-30.
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Thank you for your time and we hope that you can help us change the world one
terrapin at a time