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  • Ongoing declines for the world’s amphibians in the face of . . .
    The second Global Amphibian Assessment finds that the status of amphibians is continuing to nbsp;deteriorate globally, driven predominantly nbsp;by climate change, disease and habitat loss
  • Amphibians are in widespread decline, and climate change is . . .
    Amphibians, the most threatened class of vertebrates, are deteriorating globally, with about 40% of more than 8,000 amphibian species studied categorized as threatened -- a greater percentage than
  • Global stressors and the global decline of amphibians . . .
    A recent assessment found that nearly one-third (32%, 1,856 species) of the world’s amphibian species are threatened Amphibians have existed on the earth for over 300 million years, yet in just the last two decades there have been an alarming number of extinctions, nearly 168 species are believed to have gone extinct and at least 2,469 (43%
  • Amphibians Are in Decline Across the Globe - Smithsonian Magazine
    Over the past half century, an infectious fungal disease called chytridiomycosis has been particularly deadly for amphibians, wiping out roughly 90 species and leading to the decline of another 400
  • More than 2,000 species of amphibians are threatened by . . .
    Researchers evaluated the health of more than 8,000 amphibian species around the world and determined that nearly 41% — 2,871 in total — are globally threatened
  • What’s Causing the Rapid Decline in Amphibians
    Of the approximately 8,000 known amphibian species, around 41% are classified as threatened with extinction This rate far exceeds that of birds (13%) and mammals (25%) Perhaps most alarming is that approximately 168 amphibian species are believed to have gone extinct in recent decades, with another 2,100 species experiencing population declines
  • The Silent Crisis The Decline of Amphibian Populations . . .
    The world’s amphibian populations are experiencing a decline of alarming proportions, a phenomenon often referred to as “The Silent Crisis ” While it may not receive the same level of public attention as climate change or deforestation, the decreasing numbers of frogs, salamanders, toads, and other amphibians signal significant ecological
  • Why are amphibian populations declining? | U. S. Geological Survey
    More than 6,000 amphibian species exist worldwide, with approximately 300 of them found in the United States The USGS is the lead agency for the Amphibian Research and Monitoring Initiative (ARMI), a program of amphibian monitoring, research, and conservation that was established in response to the worldwide decline of amphibian species
  • The State of Amphibians in the United States - USGS
    This rate of decline means that the average amphibian species will be gone from half of the places where it now occurs in 20 years (Grant et al 2016) Extinction is a real outcome, with declines threatening 30 percent of the world's approximately 7,000 amphibian species (Scheele et al 2019) In the U S , there are 10 endangered anurans (i e
  • Amphibian Population Declines - The Biodiversity Group
    Nearly one-third of the world’s more than 8,680 species of amphibians are threatened with extinction or are already extinct Habitat loss is the most obvious reason for population declines; if forests are cut down and wetlands are filled in, the species depending on those forests and wetlands vanish also
  • Ongoing declines for the world s amphibians in the face of . . .
    the roles of disease and climate change in amphibian declines PLoS Biol 6, e72 (2008) 9 Skerratt, L F et al Spread of chytridiomycosis has caused the rapid global decline and extinction of
  • More than 30% of Amphibian Species at Risk of Imminent . . .
    Nearly half of amphibians available online or in pet stores were collected in the wild According to a study published in 2021, data showed evidence of trade in at least 1,215 amphibian species, approximately 17% of all amphibians Of these species, more than one in five are considered vulnerable, endangered, or critically endangered
  • Catastrophic 73% decline in the average size of wildlife . . .
    North America registered an average decline of 39%, while Europe and Central Asia registered a decline of 35% Global tipping points would pose grave threats to humanity and most species, and would damage Earth’s life-support systems and destabilize societies everywhere (see full report and Lenton et al 2023) In the Amazon, as climate
  • Ongoing declines for the world’s amphibians in the face of . . .
    However, except for the species that are probably affected by the amphibian chytrid fungus, B dendrobatidis, no amphibians in this study experienced a deterioration in status due to invasive non-native species A small number of category changes were driven by the threats native species, geological events and anthropogenic fire, which cause
  • Amphibian Census Confirms Worldwide Decline - Science | AAAS
    The last 4 decades have not been good to frogs, toads, newts, and salamanders According to the first worldwide study of amphibian populations, published in the 13 April Nature, their numbers have shrunk by about 4 5% per year since 1960 Biologists have been sounding the alarm over declining amphibian populations for years





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