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2007 IUCN Red List – 2004 Photo Gallery
Critically Endangered harlequin toad that was once abundant in Costa Rica and western Panama. Declines began at Monteverde in 1988, and by 1996 it was believed to be extinct in Costa ... inhabits the Betispoka and Mahajamba river basins, Madagascar. This Critically Endangered fish has suffered rapid declines over the last decade due to severe fishing pressure, the impact of introduced alien species ...
iucnredlist.org


2007 IUCN Red List – Search
Costa Rica where it was often quite common. Drastic declines began in Monteverde in 1988 and the species was thought to have been extirpated in Costa ... . Garcia-Perez, E.Toral, F.Bolanos, G. Chaves, A. Pounds, B. Young 2005. Catastrophic population declines and extinctions in Neotropical harlequin frogs (Bufonidae: Atelopus). Biotropica 37(2): 190-201. Lips, K ...
iucnredlist.org More from this site

Froglog 42-6
Declines at site: Whether a decline has been recorded for one or more species; yes or no. Declines began after: Date after which declines began. Declines began or occurred before: Date before which declines began. Number species declined: Number of species for which declines ...
www.open.ac.uk


Science and the Environment Bulletin: Acid Rain Still Plaguing Lakes and Loons
Lakes with a ... established naturally or through restocking. Similar effects are being witnessed in Europe, where SO2 reductions began a decade earlier than in North America. Restoring lakes damaged by acid rain is a ...
www.ec.gc.ca


No Evolution Without Revolution (Do or Die)
ONLY the elite) - began to predominate. By 1912, "an incredible 20% of Scotland's ... populace."[6] Hot on the heels of the sheep, these deer began to deliver the death blow to the Scottish forests. While ... that must carry "a great part of the responsibility for the declines that have taken place in human populations, in agricultural productivity and ...
www.eco-action.org


Eco-Pros Grasslands and Prairies
Homestead Act of 1862 brought 6 million settlers, and so began one of the worst environmental disasters in world history. Over ... how to protect the soil and slow erosion. The settlers began to restore and protect the land, and they planted trees as ... Grasslands and Savannahs Glossary New World Resources Institute Report Shows Striking Declines in World’s Grasslands “We need to value grasslands ...
www.eco-pros.com


Eco-Pros Wetlands Loss
DEFORESTATION AND DEVELOPMENT Commercial deforestation and development in wetland areas have resulted in significant declines in habitat, species populations, and critical ecosystem functions. This destruction continues in unregulated ... up resistance for survival (as species do over long periods of time). Then humans began changing nature's good works to meet their growing needs, and the wetlands ...
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Peregrine Falcon - WDNR
It took almost 20 years before reasons for the decline became clear. Evidence mounted that there was a direct connection between peregrine declines and ... main cause of peregrine declines. In an effort to produce birds for falconry, falconers began breeding peregrines in captivity. Using techniques developed by falconers, biologists also began to breed them, ...
www.dnr.state.wi.us


U.S. Global Change Research Information Office
The influence of women's groups Many women's organizations began building active networks years in advance of the Cairo conference. During the 1980s and ... as population momentum. Social and economic advances and family planning programs have contributed to fertility declines most markedly in Asia and Latin America. In both regions, women now bear about ...
gcrio.org


Gopher Tortoise Council
While clearly a source of stress, development-related habitat fragmentation does not explain declines on large, relatively remote public lands such as the Conecuh, Ocala and Apalachicola ... with a renewable supply of captive-bred specimens. Most kingsnake declines have been noted in the years since commercial collection began to wane. Well-known for eating other snakes, including ...
gophertortoisecouncil.org




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