Economic Value of Potentially Affected Fisheries Geographic Distribution (usa): Atlantic Salmon
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- Jensen, G.C., P.S. McDonald and D.A. Armstrong. 2002. East meets west: Competitive
Species: European Green Crab (Carcinus maenas) 
Image by: Greg Jensen, University of Washington Status The European green crab (Carcinus maenas) was formally recognized as an Aquatic Nuisance Species (ANS) by the Federal ANS Task Force in 1998. That same year Washington State made it illegal to possess or transport European green crabs. Synopsis Background: European green crabs were first discovered on the east coast of North America in the early 1800’s (Say 1817). They are native to Europe and northern Africa and were introduced into North America via shipping. Green crabs arrived in California prior to 1990 and, by 2000, had dispersed as far north as Port Eliza on the northern coast of Vancouver Island, British Columbia. The potential range of green crabs includes southeast Alaska (Behrens Yamada 2001, Carlton 2003). The green crab is a voracious predator that feeds on many types of organisms, including commercially valuable bivalve mollusks (e.g., clams, oysters, and mussels), polychaetes, and small crustaceans (Cohen et al. 1995).
Scientists, managers and shellfish growers are concerned that increases in the abundance and distribution of this efficient predator and competitor could permanently alter native communities and threaten commercial species such as juvenile Dungeness crab, juvenile flatfish, and bivalves (Lafferty and Kuris 1996, Jamieson et al. 1998). Green crabs have been shown to compete with native juvenile Dungeness crabs and shore crabs (McDonald et al. 2001, Jensen et al. 2002). On the east coast of North American, green crabs have been associated with the decline in soft shell clam (Mya arenaria) landings (Glude 1955, Ropes 1968). Research and observations on the West Coast have not indicated similar impacts to shellfish. However, green crabs are a relatively new arrival to the west coast, so future effects on native species have yet to be determined. In California, green crab population densities are highest in Tomales Bay and Elkhorn Slough. There is no evidence that green crabs have established populations south of Elkhorn Slough and no records of any green crab presence south of Point Conception. Therefore, central California populations continue to represent the majority of green crabs found along the west coast. These may be the key source of recruits for populations farther north, although this remains to be demonstrated (See Grosholz section below in “PSMFC Funded Green Crab Research”) Circumstantial evidence suggests that Coos, Yaquina, Netarts, and Tillamook estuaries in Oregon and Willapa Bay, Washington, harbor small self-sustaining populations of green crabs that do not depend on a larval source from California (See Yamada Behrens research section below in “PSMFC Funded Green Crab Research”). Geographic Distribution (USA): European Green Crab (Carcinus maenas) 
PSMFC Funded Projects I. Project: Status of the European Green Crab (Carcinus maenas) in California Estuaries Principal Investigator: Ted Grosholz, Department of Environmental Science and Policy and Bodega Marine Laboratory, University of California, Davis, CA 95616 Phone: 530-752-9151 FAX: 30-752-3350 Email: tedgrosholz@ucdavis.edu Progress Reports
II. Project: European Green Crab Sampling Program for Oregon and Washington Summer 2002 to Present. Investigator: Sylvia Behrens Yamada, Zoology Department, Oregon State University, Corvallis, OR 97331-2914 TEL: 541-737-5345; FAX: 541-737-0501; yamadas@bcc.orst.edu. Progress Report
Publications Behrens Yamada, Sylvia, Brett R. Dumbauld, Alex Kalin, Christopher E. Hunt, Ron Figlar-Barnes and Andrea Randall. 2005. Growth and persistence of a recent invader Carcinus maenas in estuaries of the northeastern Pacific. Biological Invasions, 7: 309–321. C:\D Drive\Web Page\PSMFC Progress report and Publications\ green crab yamada bioinv 2005.pdf Behrens Yamada, Sylvia. 2001. Global Invader: The European Green Crab. Oregon State University, Corvallis, OR. 123 pp. $15.00 (paper). ISBN 1-881826-24-4. Grosholz, Ted. 1995. Recent biological invasion may hasten invasional meltdown by accelerating historical introductions. Proceedings of the National Academy of Sciences, 102 (4): 1088- 1091. C:\D Drive\Web Page\PSMFC Progress report and Publications\Grosholz PNAS 2005.pdf LINKS
Literature CitedBehrens Yamada, S. 2001. Global Invader: The European Green Crab. 123 pages. Oregon Sea Grant, Washington Sea Grant.
and A. Randall. 2005. Growth and persistence of the recent invader Carcinus maenas in Pacific Northwest estuaries. Biological Invasions, 7(2): 309-321. Behrens Yamada, S. and C. Hunt. 2000. The arrival and spread of the European green crab, Carcinus maenas, in the Pacific Northwest. Dreissena!, 11 (2): 1-7. Carlton, J.T. and A.N. Cohen. 2003. Episodic global dispersal in shallow water marine organisms: the case history of the European shore crabs Carcinus maenas and C. aestuarii. Journal of Biogeography, 30: 1809-1820. Cohen, A.N., J.T. Carlton and M.C. Fountain. 1995. Introduction, dispersal and potential impacts of the green crab Carcinus maenas in San Francisco Bay, California. Marine Biology, 122: 225-237. Glude, J. B. 1955. The effects of temperature and predators on the abundance of the soft- shell clam, Mya arenaria, in New England. Trans. Am. Fish. Soc., 84: 13-26. Oregon Dungeness Crab Commission. 2005. Oregon Dungeness Crab Landings (through 4/8/05). Coos Bay Oregon. http://www.oregondungeness.org/index.shtml Hunt,C.E. and S. Behrens Yamada. 2003. Biotic resistance experienced by an invasive crustacean in a temperate estuary. Biological Invasions, 5(1-2): 33-43. Jamieson, G.S., E.D. Grosholz, D.A. Armstrong and R.W. Elner. 1998. Potential ecological implications for the introduction of the European green crab, Carcinus maenas, (Linnaeus), to British Columbia, Canada and Washington, USA. Journal of Natural History, 32: 1587-1598.Jensen, G.C., P.S. McDonald and D.A. Armstrong. 2002. East meets west: Competitiveinteractions between green crab, Carcinus maenas, and native and introduced shore crab Hemigrapsus spp. Marine Ecology Progress Series, 225: 251-262. Lafferty, K. and A. Kuris. 1996. Biological control of marine pests. Ecology, 77: 1989-2000. McDonald, P.S., G.C. Jensen and D.A. Armstrong. 2001. The competitive an predatory impacts of the nonindigenous crab Carcinus maenas (L.) on early benthic phase Dungeness crab Cancer magister Dana. Journal of Experimental Marine Biology and Ecology, 258(1): 38-54. Oregon Dungeness Crab Commission. 2005. Crab harvest off the Charts. Press release of August 15, 2005. Coos Bay, Oregon. http://www.oregondungeness.org/ PCSGA (Pacific Coast Shellfish Growers Association). 2003. Shellfish Economy: Treasure of the tidelands. Olympia, WA. http://www.pcsga.org/_documents/fact_sheets/economy_web1.pdf Ropes, J. W. 1968. The feeding habits of the green crab, Carcinus maenas. Fish. Bull., 67: 183-203. Say, T. 1817. An account of the crustacean of the United Stated. Journal of the Academy of Natural Sciences of Philadelphia, 1: 57-63. Directory: wordpress -> wp-content -> uploads -> 2009 uploads -> A comparative Study of Perceived Managerial and Leadership Effectiveness within Asian and Western European Countries uploads -> Nasl 2015 Pre-Season Power Rankings By Alexander L gago uploads -> Victim participation in criminal procedures uploads -> Bury st edmunds hockey club uploads -> Professor rona s beattie and dr david bamaung glasgow caledonian university email for corresponding author uploads -> Best Offensive Players: qb #19 keenan reynolds, N, ’16. Lg #57 E. K. Binns, N, ’16 uploads -> Smart Supervision Research Partner Orientation Course fy13 and fy14 Grantees September 29- october 1, 2015/San Antonio, tx uploads -> Autonomous Control for a Reliable Internet of Services (across) 2009 -> The art of fiction Download 254.34 Kb. Share with your friends:
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