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Topic: List of invasive species

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	BLM Colorado - Botany - BLM National List of Invasive Weed Species of Concern (Site not responding. Last check: 2007-09-17)
		It is an invasive species that requires a concerted effort (manpower and resources) to remove from its current location, if it can be removed at all." This definition is adapted from Noss and Cooperider (1994) and Beck (personal communication).
		Those species that are of a concern in agricultural situations, but do not pose a threat to rangelands, forestlands and wetlands have not been included.
		Exotic species typically used in range restoration which are known to be invasive have not been included.
	www.co.blm.gov /botany/invasiweed.htm (319 words)

	C.O.D. Natural Areas: Invasive Species
		An invasive specie is an organism outside its native range that does significant harm to the environment, the economy and/or human health.
		A 1999 Cornell University study concluded that invasive species cause damages and losses of at least $138 billion per year in the United States The problem is likely to worsen as worldwide travel and trade continue to introduce species, either intentionally or unintentionally, to new lands outside of their native ranges.
		The following is a list of invasive plant species commonly encountered in northeastern Illinois with links to detailed information on impacts and control of each species.
	www.cod.edu /Visitors/prairie/invasive_species.htm (213 words)

	E-Flora BC Invasive Species Page
		They are species that have become abundant and widespread in the landscape to such a degree that they replace or swamp the natural species assembly in an ecosystem, and cause havoc with ecosystem function.
		Methods of control for invasive species range from direct hand-pulling of plants, such as is frequently done for purple loosestrife, to chemical control for widespread invasives such as knapweeds, to biological control.
		Help remove invasive species in your local area. Join the efforts to remove invasives that are being conducted by groups such as the Evergreen Foundation, the Invasive Plant Council of BC, and others.
	www.geog.ubc.ca /~brian/florae/invasives.html (1200 words)

	NBII Invasive Species Information Node (ISIN) - Frequently Asked Questions
		In invasive species terminology, the words alien, exotic, and foreign are often used interchangeably and mean not native to the habitat in question.
		Invasive species can be alien to an environment or habitat, to a state, or to an area of an ocean, for example.
		Hitchhiking in ballast water is a commonly recognized accidental pathway for a broad array of aquatic invasive species, from the zebra mussel (Dreissena polymorpha) to the round goby (Neogobius melanostomus).
	invasivespecies.nbii.gov /faq.html (2997 words)

	Rhode Island Invasive Species Council's List of Invasive Plants (Site not responding. Last check: 2007-09-17)
		The Rhode Island Invasive Species Council includes members of the nursery industry who are, understandably, concerned that we fully understand the invasive potential—or lack thereof—of various cultivars and hybrids of a species before including a species on a list that will be disseminated to the general public.
		The species of greatest concern to the nursery industry are Norway Maple, Japanese Barberry, Winged Euonymus, and some of the bush honeysuckles such as Morrow Honeysuckle and Bella Honeysuckle, all of which meet Criteria 1 through 9, and are widespread in the state.
		To be considered "Restricted and Invasive," a species must be common in at least part of the state or a particular habitat type(s) in the state and with some populations in minimally managed natural habitats.
	www.riwps.org /PlantLibrary/invasives/invasivelist_winter2001.html (937 words)

	Florida Exotic Pest Plant Council
		FLEPPC goals are to build public awareness about the serious threat invasive plants pose to native ecosystems, to help secure funding and support for control and management of exotic pest plants, and to develop integrated management and control methods to prevent the spread of exotic pest plants throughout Florida.
		Approximately 31% of the plant species known to occur in Florida outside cultivation are introduced (non-natives growing on their own).
		Invasive exotics or exotic pest plants don't have the natural enemies here that controlled their growth in their home range.
	www.fleppc.org (468 words)

	Oregon Department of Agriculture (Site not responding. Last check: 2007-09-17)
		"Species can be removed from the list if they become established in Oregon and are so widespread that it is no longer possible to eradicate them or contain them into a small area of the state," says Hilburn.
		That's where the Invasive Species Council has been helpful, creating an excellent network and mechanism for collaboration that is needed to deal with so many potential threats.
		Although the list of invaders doesn't rank the species from one to 100, every expert has an opinion of just which are the very worst.
	oda.state.or.us /information/news/2002/invasive_species_100.html (957 words)

	Massachusetts Invasive Plant Evaluation List
		The issue of invasive plants is critical because, second only to loss of habitat, it is the primary cause of the reduction of diversity in native plant populations worldwide.
		This annotated list is significant because invasive plant species in the Commonwealth have been evaluated using objective measures and clear criteria, based on actual status of invasive plants on the landscape and their effect on minimally managed natural areas.
		Moreover, this list represents the consensus of a number of diverse interest groups, including the nursery industry, conservation groups, state agencies, and academics, working together to determine which plants are invasive on the Massachusetts landscape.
	www.newfs.org /conserve/invlist.htm (397 words)

	Invasive Species (Site not responding. Last check: 2007-09-17)
		Just as Wilderness advocates and anti-logging advocates successfully manipulated the Endangered Species Act for their own ends, anti-NAFTA and anti-free-trade advocates can be expected to take advantage of Federal Invasive Species authority.
		Invasive means it is or has "come into" a place it wasn't before.
		Invasive by definition means nonnative and in today's climate, the reverse is also true.
	www.propertyrightsresearch.org /articles3/invasive_speciesupdate7.htm (951 words)

	Biodiversity Partnership - Invasive Species (Site not responding. Last check: 2007-09-17)
		Invasive alien species are plants, animals, or other organisms that are introduced to a given area outside their original range and cause harm in their new home.
		Invasive alien species are recognized as one of the leading threats to biodiversity and impose enormous costs to agriculture, forestry, fisheries, and other human enterprises, as well as to human health.
		The cost to control invasive species and the damages they inflict upon property and natural resources in the U.S. is estimated at $137 billion annually.
	www.biodiversitypartners.org /invasive/factsheets/fact.shtml (602 words)

	Vermont Master Gardener Program: Invasive Plant: Frequently Asked Questions about the Quarantine Rule
		This is a list of non-native plants that have some potential to become invasive in Vermont based on their behavior in northeastern states.
		Since not enough is known about the distribution or abundance of these species in Vermont, or their potential to become invasive in Vermont, we hope this list encourages people to observe, assess and report where these species occur and how rapidly they may be spreading.
		The listed plants are primarily those that may spread into Vermont’s natural habitats; this list does not include plants that may be pests of agricultural lands or disturbed habitats such as roadsides.
	www.uvm.edu /~mstrgdnr/invasives/watchlist.htm (1166 words)

	AMERICAN SEED TRADE ASSOCIATION invasive weed position paper
		The Invasive Species Council is composed of eight department and agency heads of the federal government.
		ASTA is committed to cooperating with the Invasive Species Council and all interested state and federal government agencies through the provision of technical support, economic data, and other means, in addressing the legitimate challenges posed by invasive species.
		In sum, ASTA supports efforts to protect our nation and its agricultural industry from harmful invasive species and will cooperate with the Invasive Species Council and interested state agencies in the development of Management Plans and other tools to protect against unreasonable adverse economic or environmental harm or harm to human health.
	www.nasda.org /joint/ASTAinvasivespecies.htm (1054 words)

	Cofrin Center for Biodiversity
		The term "invasive species" is used to refer to a plant or animal species that spreads aggressively and displaces more desireable species.
		The most important characteristic of invasive species is that they not only occur where they are not wanted, but that they do so in numbers large enough to displace desired species and usually they dominate a site to the extent that diversity is greatly reduced.
		In the interest of providing an immediate source of information on this topic we will begin with a list of plant species known to be invasive in Wisconsin.
	www.uwgb.edu /biodiversity/biota/plants/invasive_species.htm (246 words)

	Call To Action on Invasive Species
		Invasive species are a major threat to the environment and the economy of the United States.
		The OTA report, "Harmful Non-Indigenous Species in the United States", was the first comprehensive look at invasive species across taxonomic lines, economic sectors, and government jurisdictions.
		Promptly undertake both a major research campaign to better understand the impacts of invasive species and to enhance knowledge needed for making critical policy decisions; and also begin an extensive public awareness effort to deter unauthorized or accidental releases of non-native species.
	www.ucsusa.org /invasive_species/call-to-action-on-invasive-species.html (760 words)

	Virginia Native Plant Society (Site not responding. Last check: 2007-09-17)
		Native plant communities fragmented by human disturbance are most vulnerable to invasion, but the most invasive species can infest even intact ecosystems.
		Invasive alien plants are free of natural controls such as insects and diseases that keep them in balance in their native habitats.
		Identify alien plant species that have potential to become invasive in Virginia.
	www.vnps.org /invasive.html (315 words)

	Invasive Plants of Canada
		The distinction between foreign species and native species is not always clear, and it is not easy to measure the impact of those foreign or alien plants on the native vegetation.
		Some invasive species have spread to the extent that they have begun to threaten the existence of endangered native species.
		Though some species that are considered invasive may be beautiful, they can pose a threat to native vegetation and natural habitats, and in most cases, a native plant with many of the same characteristics may be available to replace the exotic species.
	www.rbg.ca /cbcn/en/projects/invasives/invade1.html (647 words)

	E-Fauna BC Invasive Species
		Invasive species are a part of the landscape of British Columbia.
		They are species that have become abundant and widespread in the landscape to such a degree that they replace or swamp the native species assembly in an ecosystem, and can cause havoc with ecosystem function.
		Invasive species are usually species that are alien species, and originate in Europe or Asia.
	www.geog.ubc.ca /biodiversity/efauna/invasive_species.html (245 words)

	FlEPPC 2005 Plant List (Site not responding. Last check: 2007-09-17)
		Invasive exotic—an exotic that not only has naturalized but is expanding on its own in Florida plant communities.
		Category I - Invasive exotics that are altering native plant communities by displacing native species, changing community structures or ecological functions, or hybridizing with natives.
		Category II - Invasive exotics that have increased in abundance or frequency but have not yet altered Florida plant communities to the extent shown by Category I species.
	www.fleppc.org /list/05List.htm (421 words)

	VA NHP Invasive Alien Plants List (Site not responding. Last check: 2007-09-17)
		This is an advisory list published by the Department of Conservation & Recreation (VDCR) to inform land managers of potential risks associated with certain plant species known to exhibit invasive behavior in some situations.
		It should be noted the list is not regulatory in nature, and thus does not prohibit the use of the listed plant species.
		Invasive alien plants, however, escape cultivation and become agricultural pests, infest lawns as weeds, displace native plant species, reduce wildlife habitat, and alter ecosystem processes.
	www.dcr.state.va.us /dnh/invinfo.htm (610 words)

	ISSG's Global Invasive Species Database
		Description: XML files for each of 19 organizations (each containing projects, datasets, experts, and lists of species for that organization); I3N Cataloguer with species, experts, projects, data sets; metadata on species and projects associated with experts, a list of species, a list of institutions, photos and details about 4 invasive species and a questionnaire.
		Description: Lists of contact persons for marine, freshwater, terrestrial invasive species, and listed alphabetically; Downloadable lists (xls, pdf) of introduced species (taxonomy, observations, origin, vector) and references for introduced species in the Nordic countries, by a Nordic network of scientists and administrators working within the area of introduced/alien species.
		Description: List of IAS that live in Belgium and that are known to have a detrimental impact on the environment.
	www.issg.org /database/reference/index.asp (2196 words)

	SC Invasive Plant Species List
		Severe threat: Exotic invasive plant species which are known to pose a severe threat to the composition, structure, or function of natural areas in the state of
		Significant threat: Exotic invasive plant species which are not presently considered to spread as easily into native plant communities as #1.
		Watch: Exotic plant species that are considered to be a potential threat to natural plant communities.
	swcs.tripod.com /invasiveplants.htm (164 words)

	Time Warp
		Instruct each person to look over the module list and decide 5 invasive species that he/ she would allow to exist in their future.
		Each group (country) is then to present their choices to the others, explaining why each invasive species was chosen to exist the future.
		The discussion should focus on the invasive species control or eradication techniques that the selected invasive species represent, how groups came to consensus, the apparent leaders and followers in each group, how individual invasive species control or eradication techniques may be compromised temporarily for the group (countries) values, etc.
	www.invasivespecies.org /resources/TimeWarp.html (837 words)

	TNC Invasive Species Initiative page
		The Adirondack Park Invasive Plant Program mission is to document invasive plant distributions and to advance measures to protect and restore native ecosystems in the Park through partnerships with Adirondack residents and institutions.
		For use in assessing, categorizing, and listing non-native plants according to their impacts on native plants, animals, and natural communities and to make the process of assessing non-native species objective, transparent, and systematic.
		These Criteria for categorizing non-native invasive plants that threaten wildlands were also designed for assessing and listing non-native plants according to their impacts on native biodiversity in wildlands, based on their ecological impacts, ability to invade natural vegetation and current extent.
	tncweeds.ucdavis.edu /links.html (1241 words)

	Rhode Island Invasive Species Portal: Resources: RI Invasive Species List
		The list does NOT include every plant that is invasive in Rhode Island, but is a list of those plants that have been assessed to date, using the established criteria.
		This list is not even close to all the non-native “weedy” plants in Rhode Island.
		The ones below were in the original list assessed by the RIISC during 2000; if a plant wasn’t on that list or wasn’t brought up subsequently as potentially meeting the criteria for an invasive species in the state, it is not included here.
	odonata.edc.uri.edu /cgi-bin/page.cgi/?page=invasive_list (288 words)

	Greater Worcester Land Trust: Massachusetts Invasive Plants List
		These invasives, typically called non-native species (also called "exotics" or "alienweeds") often occur in huge patches - one species taking the place of a great variety of native plants - thus reducing the biodiversity of natural areas.
		Invasive plant populations change the characteristics of these complex webs and can lead to the elimination of many plants and animals.
		Encourage the planting of native species in municipal and town gardens, memorial sites, parks, traffic islands, etc. Ask your nursery to stock more native species; point out any plants for sale at your nursery that are known to be harmful invasives.
	www.cyberonic.com /~gwlt/invasive.html (1067 words)

	Watchlist Weed Main Page
		The Purpose of the Watchlist is to provide a list of possible troublesome invasive plants to monitor for their spread and affect on their surroundings.
		The list is developed by the Nebraska Noxious Weed Advisory Committee that is made up of private and public agencies that may be affected by invasive non-native plants.
		The listed plants maybe on an adjoining state's weed list or maybe affecting agriculture or the ecosystem of Nebraska.
	www.neweed.org /watchlist/wlindex.htm (135 words)

	Invasive Species: Resource Library - Databases
		The database focuses on invasive alien species that threaten native biodiversity and covers all taxonomic groups from micro-organisms to animals and plants in all ecosystems.
		Species information is either supplied by or reviewed by expert contributors from around the world.
		Includes Invasive Species and IDnature Guides: North American Invasives and Web-based guides for monitoring and identification of exotic species: Ticks of the U.S.
	www.invasivespeciesinfo.gov /resources/databases.shtml (1502 words)

	Invasive Species
		Designed to prevent the introduction into the United States of nonindigenous invasive plants and to prevent the spread of newly introduced invasive plants within the United States.
		Compiled national list of invasive plants infesting natural areas throughout the U.S., background information on the problem of invasive species, illustrated fact sheets that include plant descriptions, native range, distribution and habitat in the U.S.,...
		Detailed accounts are available for many of the 300 plant species listed, and often excellent photos as well.
	www.discoverlife.org /nh/tx/INVASIVES (605 words)

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