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The world’s frogs, salamanders, newts and other amphibians remain in serious trouble. A new global assessment has found that 41% of amphibian species that scientists have studied are threatened ...
The first response to reports of declining amphibian populations was the formation of the Declining Amphibian Population Task Force (DAPTF) in 1990. DAPTF led efforts for increased amphibian population monitoring in order to establish the extent of the problem, and established working groups to look at different issues.
As of December 2021, the International Union for Conservation of Nature (IUCN) lists 673 critically endangered amphibian species, including 146 which are tagged as possibly extinct. [1] [2] 9.2% of all evaluated amphibian species are listed as critically endangered. No subpopulations of amphibians have been evaluated by the IUCN.
According to a study by the Australian National University, the Bd fungus has caused the decline of 501 amphibian species—about 6.5 percent of the world's known total. Of these, 90 species have been entirely wiped out and another 124 species have declined by more than 90 percent, and the odds of the affected species recovering to a healthy ...
Amphibians are in decline worldwide, with 2 out of every 5 species threatened by extinction, according to a paper published Wednesday in the scientific journal Nature.
See: List of endangered amphibians, List of critically endangered amphibians. Vulnerable, endangered and critically endangered species are collectively referred to as threatened species by the IUCN. Additionally 1567 amphibian species (24% of those evaluated) are listed as data deficient , meaning there is insufficient information for a full ...
Amphibians infected with B. dendrobatidis have been known to show many different clinical signs. Perhaps the earliest sign of infection is anorexia, occurring as quickly as eight days after being exposed. [20] Individuals infected are also commonly found in a lethargic state, characterized by slow movements, and refuse to move when stimulated.
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]