Rhode Island Aquatic Invasive Species Management Plan
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Rhode Island Aquatic Invasive Species Management Plan Approved by the Aquatic Nuisance Species Task Force November 7, 2007 Table of Contents Acknowledgements ii Executive Summary iii List of Acronyms 1 List of Terms 3 List of Figures and Tables 5 Introduction 6 Problems and Concerns 14 Legislation 32 Regulatory Agencies and Non-regulatory Programs 41 Management Objectives and Tasks 59 Implementation Table 87 Program Monitoring and Evaluation 90 Citations 91 Appendices Appendix A: Aquatic Invasive Species Working Group 98 Appendix B: Public Scoping Meetings – Comments 101 Appendix C: Selected Federal Authorities and Programs 102 Appendix D: RI Regulatory Programs – Further Detail 110 Appendix E: Grant Programs Applicable to AIS 113 Appendix F: Summary of Research Activities 121 Appendix G: RI List of Aquatic Invasive Species 125 Cover page photo credits Top photo: Colonial tunicates (Didemnum lahillei) attached to mussel cages in British Columbia. Photo by Gordon King Middle photo: Ballast water discharge. Source: CA State Lands Commission Bottom photo: (Phragmites australis) invasion front at the Montezuma National Wildlife Refuge, New York. Photograph by B. Blossey. i Acknowledgements The Rhode Island Aquatic Invasive Species Management Plan (RIAIS Plan) is promulgated under the authority of the Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 (NANPCA) as amended by the National Invasive Species Act of 1996 (NISA). The Plan will be implemented by the Rhode Island Aquatic Invasive Species Working Group (RIAIS Working Group) which was established for this purpose under the auspices of the Plan. The first draft of the RIAIS Plan was produced through a partnership between the Coastal Resources Management Council (CRMC), University of Rhode Island (URI), and the Rhode Island Natural History Survey (RINHS). Special thanks go to Kevin Cute (Marine Resources Specialist, CRMC), David Alves (Aquaculture Coordinator, CRMC), Lisa Gould (Senior Scientist, RINHS), David Gregg (Executive Director, RINHS) and Laura Meyerson (Assistant Professor, URI Department of Natural Resources Science) for their initial efforts without which this Plan would not exist. Thanks to Erik Endrulat (Data Manager, RINHS) and Dave Viola (Research Associate, URI) who provided considerable technical and moral support. Thanks also go to Marta Gomez-Chiarri (Professor, URI) who provided significant assistance with data for introduced aquatic pathogens. URI graduate student Cathy McNally also contributed to various components of the Plan. This final draft of the RIAIS Plan was produced through the considerable efforts of the RIAIS Working Group whose numerous comments shaped its development through several draft versions. Particular thanks go to Kenneth Ayars (Chief, Department of Environmental Management, Division of Agriculture), Charles Brown (Principal Wildlife Biologist, DEM Division of Fish and Wildlife) Chris Deacutis (Scientific Coordinator, Narragansett Bay Estuary Program), Katie DeGoosh (Principal Environmental Scientist, DEM Division of Water Resources), Dr. Lisa Drake (Science Department, U.S. Coast Guard Academy), Carolyn Griswold (NOAA/NMFS Northeast Fisheries Science Center), Elizabeth Herron (Program Coordinator, URI Watershed Watch Program), Sue Kiernan (Deputy Chief, Surface Water Protection, DEM Division of Water Resources), Alan Libby (Principal Fisheries Biologist, DEM Division of Fish and Wildlife), Andy Lipsky (State Biologist, USDA NRCS - RI State Office), Veronica Masson (Principal Fisheries Biologist, DEM Division of Fish and Wildlife), and Bob Stankelis (Reserve Manager, Narragansett Bay National Estuarine Research Reserve). Additional thanks go to Sue Kiernan who offered to Co-chair the RIAIS Working Group with Kevin Cute of the Coastal Resources Management Council. Finally, we are greatly indebted to our forebears, the Massachusetts Aquatic Invasive Species Working Group, in particular Jay Baker, Principal Author of the Massachusetts Aquatic Invasive Species Management Plan. With Mr. Baker’s permission, the Working Group referenced the Massachusetts Aquatic Invasive Species Management Plan as a major source in the development of the RIAIS Plan. This greatly assisted in the writing of the RIAIS Plan and contributed to the goal of regional coordination established by NANPCA and implemented in the northeast by the Northeast Aquatic Nuisance Species Panel http://www.northeastans.org/. ii Executive Summary The introduction of non-native species into the state of Rhode Island is not a new phenomenon. European settlers intentionally introduced numerous non-native plants and animals upon their arrival in the New World. Non-intentional introductions also occurred early in the settlement process. Rocks used as ship’s ballast that were discarded in New England’s coastal waters are a likely vector for the introduction of European marine species such as the common periwinkle that dominates most rocky beaches in Rhode Island today. However, the recent globalization of our economy and the attendant increase and movement of goods via established and new trade routes have produced a corresponding spike in the rate of non-native species introductions. While many of these introductions have apparently caused no known impacts to date, others have resulted in significant environmental and economic damage that requires costly control or remediation measures. Under the National Aquatic Nuisance Prevention and Control Act of 1990, an aquatic nuisance species or “invasive species” is defined as a nonindigenous species that threatens the diversity or abundance of native species or the ecological stability of infested waters, or commercial, agricultural, aquacultural or recreational activities dependent on such waters. Invasive species are considered to be second only to direct habitat destruction as a cause of declining biodiversity in the United States. While Rhode Island has been fortunate thus far to avoid the introduction of well-known aquatic invasive species like the zebra mussel (Dreissena polymorpha) and the Chinese mitten crab (Eriocheir sinensis), many other species have already invaded and impacted the state’s marine and freshwater ecosystems. The zebra mussel and Chinese mitten crab may not be far behind. Since its introduction to Lake St. Clair, a small lake between Lake Erie and Lake Huron in 1988, the zebra mussel has been continuously spreading eastward and has now reached our neighboring state of Connecticut. Zebra mussels in the Great Lakes region have cost nuclear power plants an average of $800,000 annually for control. Even smaller municipalities in affected areas spend about $20,000 per year on control efforts. The zebra mussel and the quagga mussel are similar freshwater invasive species that clog water intake pipes, water filtration, and electric generating plants; it is estimated that they cause $1 billion/year in damages and associated control costs per year.1 Marine aquatic invaders that have become established in Rhode Island include the European green crab (Carcinus maenas), Asian shore crab (Hemigrapsus sanguineus), lace bryozoan (Membranipora membranacea), codium (Codium fragile), the red macroalgae (Grateloupia turuturu), and various species of sea squirts and shellfish pathogens. A 1999 Cornell University study estimates a $44 million per year economic loss to New England and the Canadian Maritime Provinces due to predation on commercially valuable shellfish by the European green crab. Marine species of concern (due to their proximity to Rhode Island and/or high potential for environmental and 1 Army, 2002. Economic Impacts of Zebra Mussel Infestation. http://www.wes.army. mil / el /zebra/zmis/zmis/zmishelp/economic_ impacts_of_zebra_mussel_infestation.htm (December 4). iii economic damage include the veined rapa whelk (Rapana venosa), nori (Porphyra spp.), Chinese mitten crab (Eriocheir sinensis), the Suminoe oyster (Crassostrea ariakensis), the Pacific oyster (Crassostrea gigas), Caulerpa sp., and the Japanese kelp (Undaria pinnatifida). Marine invaders also include microscopic organisms that pose human health risks. The bacteria that causes cholera in humans, Vibrio cholerae, has been discovered in very high numbers in the ballast water tanks of ships that have transited from foreign ports and landed at ports in Chesapeake Bay (Ruiz et. al., 2000). In Alabama, a South American strain of human cholera bacteria was found in ballast tanks in the port of Mobile in 1991, and when cholera strains were subsequently found in shellfish samples, a public health advisory against the consumption of raw shellfish was issued. On the freshwater front, aquatic macrophytes such as variable watermilfoil (Myriophyllum heterophyllum) and curly pondweed (Potamogeton crispus) have become established and are spreading in lakes and ponds. In addition, introduced phragmites (Phragmites australis ssp. australis) and purple loosestrife (Lythrum salicaria) are spreading rapidly, clogging waterways and out competing native species. Although the zebra mussel has yet to be documented in Rhode Island, it is found in the Connecticut side of the Housatonic watershed, very close to the Massachusetts border. The Asian clam (Corbicula fluminea) has been found in Rhode Island waters and is spreading, and in the summer of 2006, Eurasian watermilfoil (Myriophyllum spicatum) was first documented in the state. An economic study in New Hampshire showed that the value of property adjacent to lakes choked with aquatic weeds like Eurasian water milfoil