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Topic: Invasive species in Australia

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	Invasive species in Australia - Wikipedia, the free encyclopedia
		Invasive species are a threat to the native biodiversity of Australia and are an ongoing cost to Australian agriculture.
		The management of weeds costs AUD $3.5 billion yearly, management and the prevention of the introduction of new invasive species are key environmental and agricultural policy issues for the Australian Federal and State governments.
		Feral animals in Australia are mainly domestic animals that have gone wild or were brought in for recreational use or in the case of the cane toad, were introduced as biological control of another pest.
	en.wikipedia.org /wiki/Invasive_species_in_Australia (1540 words)

	Invasive species - Wikipedia, the free encyclopedia
		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.
		The Pied Currawong of south-east Australia is an example: as a result of human changes to the landscape, Pied Currawongs increased greatly in range during the 20th century and have caused substantial declines in the populations of the smaller birds whose nestlings they prey on.
		Invasive species that are closely related with rare native species have the potential to hybridize with native species.
	en.wikipedia.org /wiki/Invasive_species (6935 words)

	Invasive species in Australia - part 1 (Site not responding. Last check: 2007-11-05)
		Australia is home to many plants and animals that have been introduced since European settlement.Some of these have become invasive — they have spread and multiplied to the point where they damage the environment, threaten the continued existence of native plants and animals, or create significant problems for agriculture.
		Invasive species are animals, plants, parasites or disease-causing organisms that establish outside their natural range and become pests.
		Invasive plants were introduced in a variety of ways, for example as crops, pasture and garden plants and to prevent erosion.
	www.deh.gov.au /biodiversity/invasive/publications/species/part-1.html (1217 words)

	ipedia.com: Invasive species Article (Site not responding. Last check: 2007-11-05)
		Although an invasive species is defined as an introduced species that has become a pest, it is possible that a species native to a particular area can, under the influence of human modifications to the environment, increase in numbers and become an invasive pest species.
		The Pied Currawong of south-east Australia is an example: as a result of human changes to the landscape, Pied Currawongs increased greatly in range during the 20th century and have caused substantial declines in the populations of the smaller birds they prey on the nestlings of.
		Rabbits were introduced into Australia with colonists in the 1800s and their devastation is ongoing in spite of the famous rabbit fences that were built along thousands of miles of territory with the futile intention of keeping them out.
	www.ipedia.com /invasive_species.html (834 words)

	Invasive Species Home Page
		An invasive species is a species occurring, as a result of human activities, beyond its accepted normal distribution and which threatens valued environmental, agricultural or personal resources by the damage it causes.
		While there are systems for the management of invasive species across Australia, natural resource management ministers have recognised a need to develop a co-ordinated and strategic approach to preventing significant new invasive species establishing in Australia, and to reducing the impacts of major pests and weeds already present.
		The report assesses the distribution and abundance of invasive species and reports on activities undertaken in relation to prevention of entry, surveillance, emergency response and eradication, and containment and control.
	www.deh.gov.au /biodiversity/invasive (437 words)

	APHIS \| News
		An invasive species is an alien species whose introduction does, or is likely to, cause economic or environmental harm or harm to human health.
		Many harmful invasive species clearly impair biological diversity by causing population declines, species extinctions, shifts in predator–prey dynamics, shifts in species niches, changes in habitat, and reductions in ecosystem complexity.
		Species can be brought into the country and released intentionally or unintentionally through the international movement of people, commodities, and their conveyances.
	www.aphis.usda.gov /lpa/pubs/fsheet_faq_notice/fs_aphisinvasive.html (2135 words)

	Overstaying Their Welcome: Cane Toads in Australia
		But with only 20 million people living on a landmass the size of the continental United States, Australia’s two biggest menaces to the survival of their unique organisms are brush fires and invasive species, of which the cane toad is the biggest known threat.
		Invasive species, as a general rule, live up to their name as non-native plants, animals, fungi and even pathogens that find their way to new territory and typically have a special affinity/predilection for wiping out the original inhabitants.
		The cane toad’s success at surviving and thriving in Australia to the degree that the species has is somewhat miraculous, because the amphibians are very poorly adapted to the majority of the country’s climate.
	news.mongabay.com /2005/0417-tina_butler.html (2479 words)

	Endangered and introduced species
		This book focuses on introduced and invasive species, and the state of threatened species in Australia.
		The largest proportion of environmental weeds are horticultural species that have escaped from cultivation.
		The rate of species extinction today is unprecedented and is largely influenced by human activities.
	www.spinneypress.com.au /174_book_desc.html (869 words)

	Invasive species may increase with global warming
		In the United States alone, the economic cost of invasive species -- in terms of the damage they do and the expense of controlling them -- is estimated at $137 billion a year, according to a study by Cornell University in 1999.
		Invasive species disrupt ecosystems primarily by preying on local species and competing with native species over limited resources.
		The python, a species of snake that has invaded the Everglades after pet owners have released it into the wild, has recently made headlines as it battles native alligators at the top of the food chain.
	news.mongabay.com /2005/1013-invasive.html (1093 words)

	[No title]
		The management of invasive species in Australia is primarily the responsibility of individual landowners or land managers.
		The Commonwealth approach to invasive species management is based on a ‘partnership approach’ by industry, government and the wider community to achieve the objectives of invasive species management.
		Australia is currently reviewing implementation of the Strategy but preliminary findings with regard alien species are: The Environmental Indicators for National State of the Environment Reporting: biodiversity states that exotic and alien organisms outside cultivation or captivity are a major pressure on biological diversity.
	www.biodiv.org /doc/world/au/au-nr-ais-en.doc (4583 words)

	Australia's most unwelcome guest \| csmonitor.com
		Australia is one of the world's top 12 "megadiverse" countries, according to the Australian Academy of Science.
		Australia and New Zealand have been more successful building public support for control measures partly because they've stressed the threat to agriculture, notes Richard Mack, an ecologist at Washington State University.
		Reasonable estimates for the economic cost of invasive species globally are hard to come by, he says.
	www.csmonitor.com /2005/0407/p13s02-sten.htm (1560 words)

	Invasive Species - Environment
		Invasive species are defined as, "a non-native (alien) species whose introduction to an area causes harm (environmental, economic or health)".
		Species get introduced to new regions usually due to human activity, either intentionally or accidentally.
		Due to the isolated and unique ecosystems of Australia, invasive species are a particularly severe problem there.
	www.bellaonline.com /ArticlesP/art23041.asp (660 words)

	Invasive Species
		Thousands of species of marine organisms were and are moved around the world on ship bottoms, and hundreds more have been moved globally by the wholesale transfer of edible oysters for 'replanting.
		Not all nonnative species are recognized as invasive.
		This paper is an examination of the history and ecology of the global trade in species of plants and animals.
	www.42explore.com /invasive.htm (1515 words)

	Poison Toads Leap Across Australia
		Australia's leading government research body, the Commonwealth Science and Industry Research Organisation (CSIRO), forecasts a rise in average temperatures that will make NSW ideal habitat for the cane toad.
		An invasive species in Australia, cane toads are fatally poisonous to predators.
		As global warming raises temperatures in the continent, the range of habitat suitable for cane toads is increasing, causing alarm among wildlife authorities in the states of Western Australia and New South Wales.
	news.nationalgeographic.com /news/2004/11/1129_041129_cane_toads.html (513 words)

	Invasive Species Council - Democrats Bill (Site not responding. Last check: 2007-11-05)
		The definition of invasive species, whilst fairly broad, nevertheless does not capture those native species which could be considered 'invasive' if occurring beyond its accepted normal distribution and which is adversely impacting on local native species and ecosystems.
		Given that the damage caused by invasive species has largely been attributed to human activity, it is a curious omission.
		An assessment of the impact that the 'actions' of private persons and corporations as well as governments and their agencies could have, and do have, in facilitating the introduction or further spread of invasive species is essential if a national regulatory structure for invasive species is to be effective.
	www.invasives.org.au /issues/democrats.htm (1603 words)

	Invasive Species Weblog
		There is an interesting side effect of the current drought in Australia, according to this report from ABC News Australia.
		Ownership of the iguana has proven to be a bigger responsibility than expected, and as a result, many owners have released their pet iguanas of different species into the wild causing an ever-growing overpopulation and inundation of unwanted iguanas in South Florida.
		However, the law protects the green iguana because it is listed by the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which ensures that international trade of wild animals and plants does not threaten their survival.
	invasivespecies.blogspot.com /2005_05_15_invasivespecies_archive.html (1198 words)

	UC Davis Magazine, Spring 2003: The Aliens Among Us
		Native species are often driven to extinction by competition from aggressive invaders.
		Moyle says the science on invasive species is in its “infancy” and is “enormously complex.” Compounding the problem is the role of humanity in this interactive drama.
		Research on invasive species occurs throughout campus by faculty from the Division of Biological Sciences, College of Agricultural and Environmental Sciences, School of Veterinary Medicine, College of Letters and Science and even the School of Law.
	www-ucdmag.ucdavis.edu /sp03/feature_2.html (2922 words)

	Invasive Species
		The Endangered Species Program of Environment Australia aims to prevent further extinctions of Australian fauna and flora, and to restore endangered species and ecological communities to a secure status in the wild.
		A listserver of the Invasive Species Specialist Group of the IUCN Species Survival Commission.
		The group aims to "reduce the threats posed by invasive species to natural ecosystems and their native species, through increasing awareness of invasive species and means of controlling or eradicating them.
	www2.ctahr.hawaii.edu /adap2/hottopics/invasive_species.htm (1260 words)

	Lacy Schramm- Not so Cute and Cuddly
		This invasive species competes with native and agricultural species for food, reducing the productivity and profitability of the agriculture industry.
		Australia’s government had to release another strain of the myxomatosis virus to control these ferrets that were supposed
		It discusses the effect an accidental release of the Rabbit Hemorrhage Disease is having on the continent of Australia.
	www.jslsnet.com /lacy/rabbits3.htm (1540 words)

	Prospective Invasive Species for Pacific Islands (Site not responding. Last check: 2007-11-05)
		Are known to be invasive in similar ecosystems elsewhere in the world and could potentially be a problem on Pacific islands.
		Hunsberger, A.G.B. Invasive and banned plants of Miami-Dade County.
		Invasive species in the Pacific: A technical review and draft regional strategy.
	www.hear.org /pier/prospective.htm (621 words)

	The Wilderness Society - Policy on Invasive Species
		Invasive species are a major threat to Australian ecosystems on land and sea.
		Invasive plants and animals directly threaten individual species through competition, predation and disease.
		Invasive species are plants, animals or other organisms which are invading, or may invade the natural environment in
	www.wilderness.org.au /about/policies/invasives (414 words)

	GISP
		Experts on invasive species in Australia have called for urgent national action to combat what they describe as a massive invasion of pest animals and weeds.
		Mr Glanzing said that with the strengthening of federal quarantine and border controls, the biggest threats came from species already in the country.
		There were 2800 foreign weeds, 25 invasive mammals, 20 birds, four reptiles and 34 fish that had gained a foothold.
	www.gisp.org /whatsnew/shownews.asp?id=385 (281 words)

	Australia's invasive species protection the world's best
		Australia sets the world standard for protecting against the introduction of invasive plants and animals from overseas, Fisheries, Forestry and Conservation Minister Senator Ian Macdonald said today.
		"In addition, the Natural Resource Management Ministerial Council appointed a task group in April last year to develop a framework for invasive species management to prevent new incursions of invasive plants, animals and diseases, and to reduce the impacts of established species," he said.
		A national pest animal strategy is also currently being developed, specifically to reduce the impacts of vertebrate pests on Australia's productive capacity and natural ecosystems.
	www.mffc.gov.au /releases/2005/05144m.html (352 words)

	Exotic Plant Glossary (Site not responding. Last check: 2007-11-05)
		Gardeners characterize cultivated plants as "invasive" when they spread aggressively beyond where they were intended to remain, particularly if they outcompete and displace other plants in the garden.
		This E.O. directs federal agencies to prevent the introduction of invasive species, to provide for their control, and to minimize the economic, ecological, and human health impacts that invasive species cause to the extent practicable and permitted by law.
		Furthermore, a weed is not necessarily an exotic species.
	www.nps.gov /redw/epgloss.htm (342 words)

	Search Tuna Report for invasive species (Site not responding. Last check: 2007-11-05)
		The Invasive Species Specialist Group ISSG is part of the Species Survival Commission of The World Conservation Union.
		The ISSG is a global group of 146 scientific and policy experts on invasive species from 41 countries.
		Invasive Species Internet Resources Invasive Organisms Of All Types, Including Plants, Animals, And Microorganisms Are Threatening The Native Flora, Fauna, And Ecosystems Of The United States....
	www.searchtuna.com /ftlive2/1941.html (2598 words)

	TNC Invasive Species Initiative page
		For a more complete list of our invasive species photographs/documents, visit our management library or our photo archives.
		Profiles of noteworthy invasive species work being done by state and country programs in The Nature Conservancy.
		Assessments of invasive species issues for various operating units in The Nature Conservancy.
	tncweeds.ucdavis.edu /global/australia/home.html (141 words)

	Marine and Coastal Community Network \| Article \| Senate committee report on invasive species released
		The report Turning back the tide—the invasive species challenge covers the regulation, control and management of invasive species in Australia and the Environment Protection and Biodiversity Conservation Amendment (Invasive Species) Bill 2002.
		The Committee recommending that, as a matter of urgency, the Commonwealth Government develop programs to minimise the threat of invasive marine species entering Australia’s waters via hull fouling or as a result of the mariculture industries.
		The Committee recommending that the Commonwealth Government should provide long-term funding for research aimed at identifying and combating marine invasive species, particularly those which may threaten marine parks such as the Great Barrier Reef Marine Park, and those that are in the ports of Australia’s trading partners and could be translocated to Australia.
	www.mccn.org.au /article.php/id/270 (222 words)

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