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Topic: Invasive

In the News (Fri 25 Dec 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Invasive Plants of Ohio
		Invasive plants are usually characterized by fast growth rates, high fruit production, rapid vegetative spread and efficient seed dispersal and germination.
		Invasive plants, whether they are native or non-native, have the ability to take over native plant communities, forming monocultures and displacing native plants.
		Most invasive plants are difficult to control and require the use of manual and chemical techniques.
	www.dnr.state.oh.us /dnap/invasive (726 words)

	Oregon Invasive Species Council Frequently Asked Questions
		An invasive species is a non-native species whose introduction does, or is likely to, cause economic or environmental harm or harm to human health.
		Invasive species have contributed to the decline of 46 percent of the country's threatened and endangered native species.
		Invasive species consume resources upon which native species depend, destroy crops and sensitive habitat, and alter the food chain in an ecosystem by becoming the dominant predator.
	www.oregon.gov /OISC/faqs.shtml (701 words)

	Invasives
		An invasive species that colonizes a new area may gain an ecological edge since the insects, diseases, and foraging animals that naturally keep its growth in check in its native range are not present in its new habitat.
		Although these plants are invasive, they can still be enjoyed by gardeners who want to grow them if they are willing to devote the time and effort to careful stewardship to prevent their spread.
		Invasive plant species thrive where the continuity of a natural ecosystem is breached and are abundant on disturbed sites like construction areas and road cuts.
	www.usna.usda.gov /Gardens/invasives.html (1278 words)

	EPA - Great Lakes - Invasive Species
		An "invasive species" is a plant or animal that is non-native (or alien) to an ecosystem, and whose introduction is likely to cause economic, human health, or environmental damage in that ecosystem.
		Invasive animals have also been responsible for increased degradation of coastal wetlands; further degrading conditions are resulting in loss of plant cover and diversity.
		Invasive purple loosestrife, for example, are 2-3 meters tall and can produce 2.7 million seeds each year.
	www.epa.gov /glnpo/invasive (921 words)

	General Information About Invasive Species
		While most invasive species were introduced to the United States, some are natives in one part of the country but serious pests in another part of the country.
		Plants considered invasive species are identified and described in the USDA Natural Resources Conservation Service PLANTS database which includes information for plants in the United States and its territories.
		Invasive species—A species that is non-native to the ecosystem under consideration and whose introduction causes or is likely to cause economic harm, environmental harm, or harm to human health.
	www.nationalatlas.gov /articles/biology/a_invasive.html (827 words)

	Invasive Species
		Invasive alien species pose one of the most serious threats to our environment, affecting all regions of the United States and every nation on the globe.
		Defined as "non-native organisms that harm, or have the potential to harm, the environment, economy or human health," invasive alien species are increasingly to blame for extinction of native plants and animals, decreased agricultural productivity, and emergence of new diseases.
		Estimates of the cost of invasive species to the United States alone are in the tens of billions of dollars yearly.
	www.state.gov /g/oes/ocns/inv (471 words)

	Invasive Plants
		Invasive plant species are among the greatest threats to the integrity of natural areas.
		Invasive species – a non-native (adventitious) species that is capable of moving aggressively into a habitat and monopolizing resources such as light, nutrients, water, and space to the detriment of other species.
		Invasive species have contributed to the decline of 42% of U.S. endangered and threatened species, and for 18% of U.S. endangered or threatened species, invasives are the main cause of their decline.
	www.newfs.org /conserve/invasive.htm (1636 words)

	Disease Listing, Invasive Candidiasis, General Information \| CDC Bacterial, Mycotic Diseases
		Invasive candidiasis is a fungal infection that occurs when Candida species enter the blood, causing bloodstream infection and then spreading throughout the body.
		Invasive candidiasis is usually diagnosed by either culture of blood or tissue or by examining samples of infected tissue under the microscope.
		Invasive candidiasis is usually treated with Amphotericin B given intravenously(IV) (in the vein) or with azole drugs taken by mouth or IV.
	www.cdc.gov /ncidod/dbmd/diseaseinfo/candidiasis_inv_g.htm (327 words)

	Invasive Species \| US EPA
		Invasive species means an alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health.
		Invasive species are one of the largest threats to our terrestrial, coastal and freshwater ecosystems, as well as being a major global concern.
		Invasive species represent the second leading cause of species extinction and loss of biodiversity in aquatic environments worldwide.
	www.epa.gov /owow/invasive_species (341 words)

	Invasive Species: Laws and Regulations - Executive Order 13112 (Site not responding. Last check: 2007-09-11)
		(a) An Invasive Species Council (Council) is hereby established whose members shall include the Secretary of State, the Secretary of the Treasury, the Secretary of Defense, the Secretary of the Interior, the Secretary of Agriculture, the Secretary of Commerce, the Secretary of Transportation, and the Administrator of the Environmental Protection Agency.
		The Council shall be Co-Chaired by the Secretary of the Interior, the Secretary of Agriculture, and the Secretary of Commerce.
		Such recommended measures shall provide for a science-based process to evaluate risks associated with introduction and spread of invasive species and a coordinated and systematic risk-based process to identify, monitor, and interdict pathways that may be involved in the introduction of invasive species.
	www.invasivespeciesinfo.gov /laws/execorder.shtml (1354 words)

	E-Flora BC Invasive Species Page (Site not responding. Last check: 2007-09-11)
		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.
		Join the Invasive Plant Council of BC to lend your support. Encourage your municipality to join. It is open to groups or individuals.
	www.geog.ubc.ca /~brian/florae/invasives.html (1365 words)

	NatureServe: Invasive Species
		Invasive species are now regarded as the second-leading threat to imperiled species, behind only habitat destruction.
		Because invasive species have a profound affect on vital sectors of the economy as well as on wildlands and endangered species, a broad coalition has formed to combat the problem.
		Global Invasive Species Programme — An international partnership of scientific and technical experts focusing on minimizing the spread and impact of invasive species.
	www.natureserve.org /consIssues/invasivespecies.jsp (1046 words)

	WDNR - Invasive Species
		Invasive species can alter ecological relationships among native species and can affect ecosystem function, economic value of ecosystems, and human health.
		A species is regarded as invasive if it has been introduced by human action to a location, area, or region where it did not previously occur naturally (i.e., is not native), becomes capable of establishing a breeding population in the new location without further intervention by humans, and spreads widely throughout the new location.
		Controlling invasive species is compounded by that fact that they lack natural checks and balances.
	www.dnr.state.wi.us /invasives (659 words)

	Invasive species - Wikipedia, the free encyclopedia
		Invasive plants can coexist with native plants for an extended time, and only gradually does the superior competitive ability of an invasive species become apparent, as its population grows larger and denser, and slowly increases the risk of extinction to other species.
		Invasive plants can arise from human clearing (such as slash-and-burn) or cattle grazing actions, such that the altered land is more hospitable to the invasive species than the original plant palette.
		Invasive animals can be controlled with the release of predatory or parasitic organisms (especially in the case of invasive insects) or with the transmission of diseases in a similar manner as with plants (Cornell University 2005).
	en.wikipedia.org /wiki/Invasive_species (7153 words)

	IUCN/SSC Invasive Species Specialist Group (ISSG)
		The ISSG is a global group of 146 scientific and policy experts on invasive species from 41 countries.
		The group's activities focus primarily on invasive species that cause biodiversity loss, with particular attention to those that threaten oceanic islands.
		Invasive species are organisms (usually transported by humans) which successfully establish themselves in, and then overcome, otherwise intact, pre-existing native ecosystems.
	www.issg.org (453 words)

	Invasive Species - Invasive Species
		The Nature Conservancy's Invasive Species Initiative aims to control the threat to biodiversity posed by invasive non-native plants and animals.
		Invasive plants are more than just a nuisance — they crowd out native plants and animals.
		Invasives on the web is dedicated to protecting the native biodiversity of our wild lands from harmful invaders.
	www.nature.org /magazine/summer2004/invasives (210 words)

	Non-Invasive or Invasive Breast Cancer?
		Invasive cancer has spread outside the milk duct or milk-making glands and has grown into normal tissue inside the breast.
		Whether your cancer is non-invasive or invasive will determine your treatment choices and how you might respond to the treatments you receive.
		Invasive (or infiltrating) cancers have started to break through normal breast tissue barriers and invade surrounding areas.
	www.breastcancer.org /dia_pict_cancer.html (278 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.
		Invasive plants represent a serious threat to the biological diversity of natural areas.
	www.cod.edu /Visitors/prairie/invasive_species.htm (213 words)

	Invasive Plants in Indiana
		Invasive plants destroy habitat for rare wildflowers and animals; they threaten two-thirds of all endangered species.
		Two brochures are available: Invasive Plants in Indiana describes and provides photos of many of the plants currently invading natural areas in the state.
		And for more information about the serious threat posed by invasive alien (or exotic) plants to the delicate wild areas of Indiana, and what can be done about it, contact Ellen Jacquart.
	www.inpaws.org /plants.html (573 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.
		Invasive exotic - an exotic that not only has naturalized but is expanding on its own in Florida plant communities.
		Invasive exotics or exotic pest plants don't have the natural enemies here that controlled their growth in their home range.
	www.fleppc.org (466 words)

	Introduction - Biological Control of Invasive Plants in the Eastern United States
		Invasive plants are species that, after they have been moved from their native habitat to a new location, spread on their own.
		The Order established the National Invasive Species Council to provide national leadership to prevent the introduction of invasive species and provide for their control and to minimize the economic, ecological, and human health impacts that invasive species cause.
		In addition, many invasive plants are free of attack in their invaded range by specialized insects or plant pathogens, allowing plant resources to be shifted from defense to growth and reproduction.
	www.invasiveplants.net /biologicalcontrol/Introduction.html (916 words)

	ERS/USDA Briefing Room - Invasive Species Management: Invasive Species and Their Agricultural Importance
		Invasive species increasingly pose potential and actual economic threats to U.S. agriculture and other sectors of the economy.
		The ERS Program of Research on the Economics of Invasive Species (PREISM) focuses on economic issues related to nonnative pests of agricultural significance or pests that fall under USDA/APHIS and other USDA programs, a subset of invasive species.
		Complicating these decisions are uncertainties, or lack of knowledge, about key variables: the likelihood of pests entering and establishing damaging populations, the speed with which populations can grow, their ability to spread long distances, and the extent of damages they can cause to agriculture and ecosystems.
	www.ers.usda.gov /Briefing/InvasiveSpecies/whatis.htm (1173 words)

	Invasive Species Unit
		Invasive species are plants, animals or diseases that are non-native to the ecosystem; that cause or are likely to cause economic or environmental harm; or harm to human health.
		Invasive species contribute to the decline of 46% of the imperiled or endangered species in the U.S. The biological invasion of exotic plants, animals and pathogens is one of the greatest threats to the existence of native organisms and biodiversity, second only to the loss of habitat.
		Invasive species are estimated to cost a total of $137 billion annually in losses to agriculture, forestry, fisheries and the maintenance of open waterways in the U.S. You can help stop the introduction and spread of invasive species.
	www.mda.state.mn.us /invasives/default.htm (962 words)

	Ohio's top ten invasive plants
		This page describes ten of the most invasive non-native plant species in Ohio with information about their appearance, habitat, possible controls, and native species which can be used as alternatives in garden or wildlife plantings.
		Some populations are not invasive and may be native, however there is no reliable method to tell the two apart.
		Familiarize yourself with the invasive plants in your area and report infestations to the nearest land-managing agency or extension service.
	www.dnr.state.oh.us /dnap/invasive/invasivebrochure.htm (1940 words)

	Invasive Species Initiative - Invasive Species Initiative, Invasive Species Education and biodiversity
		This invasive insect has devastated prickly pear cactuses from the Caribbean to Florida; now it’s poised to hit the Mexican mainland.
		At hundreds of projects around the United States, the Conservancy is working to prevent or stop the spread of invasive species.
		Find out which invasive plants may be lurking in your own backyard.
	nature.org /initiatives/invasivespecies (186 words)

	Invasive (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-09-11)
		If invasive this invasive is a major warning sign that there is a new pathogen that has been added.
		Gov is currently invasive being populated with species invasive database invasive was developed by geography invasive united invasive states international.
		Here invasive is where the damage caused invasive to invasive view pdf kb invasive government invasive of the word, not the weed.
	invasive.valyear.net.cob-web.org:8888 (782 words)

	Aquatic Invasive Species
		Legal mandates charge NOAA with developing a program for aquatic invasive species prevention, monitoring, control, education and research to prevent introduction and dispersal of aquatic invasive species, to disseminate related information, and to provide leadership in the coordination of federal invasive species efforts.
		Research is needed to improve understanding of the biology of invasive species and the effects of invasions, and to improve development of new restoration tools.
		With the expansion of worldwide shipping, the transport of invasive species via ballast water tanks on ships is now the most significant pathway of introduction of aquatic invasive species into marine ecosystems.
	www.oar.noaa.gov /oceans/t_invasivespecies.html (928 words)

	invasive
		They are a very recent invasive species, arriving by cargo boat in Puerto Villamil (Isabela Island) in 1998.
		Invasives are almost invariably preadapted for dispersal into new areas.
		The enemy release hypothesis states that by invading lands far away from their original habitat, plants leave behind the main herbivores that used to feed on them.
	web.mit.edu /12.000/www/m2008/teams/lisa_s/invasive.html (3396 words)

	ERS/USDA Briefing Room - Invasive Species Management
		Invasive species include nonnative, alien, or exotic plant pests (such as insects, weeds, or pathogens); animal and zoonotic disease pathogens, which can transmit diseases between animals and humans; or other organisms that can cause economic or environmental harm to U.S. agriculture, range, and forest systems if they enter the United States.
		Priority research topics for the 2006 competitive program, the PREISM 2006 Request for Proposals, and descriptions of projects funded from 2003 though 2005 are available on the PREISM webpage.
		PREISM Activities Report—Program of Research on the Economics of Invasive Species Management: Fiscal 2003-2005 Activities details the objectives and activities PREISM and reports important accomplishments for fiscal years 2003-2005.
	www.ers.usda.gov /Briefing/InvasiveSpecies (665 words)

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