If habitat destruction or overexploitation of populations is severe, species loss can occur
directly and abruptly. Yet the final descent to extinction is often driven by synergistic …

Emerging infectious diseases are increasingly recognized as key threats to wildlife.
Batrachochytrium dendrobatidis (Bd), the causative agent of chytridiomycosis, has been …

Anthropogenic trade and development have broken down dispersal barriers, facilitating the
spread of diseases that threaten Earth's biodiversity. We present a global, quantitative …

Many scientists argue that we are either entering or in the midst of the sixth great mass
extinction. Intense human pressure, both direct and indirect, is having profound effects on …

COLLECTING BIOLOGICAL specimens for scientific studies came under scrutiny when BA
Minteer et al.[“Avoiding (re) extinction,” Perspectives, 18 April, p. 260] suggested that this …

Amphibians highlight the global biodiversity crisis because∼ 40% of all amphibian species
are currently in decline. Species have disappeared even in protected habitats (eg, the …

For over 350 million years, thousands of species of amphibians have lived on earth, but
since the 1990s they have been disappearing at an alarming rate, in many cases quite …

Amphibians stand at the forefront of a global biodiversity crisis. More than one-third of
amphibian species are globally threatened, and over 120 species have likely suffered global …

Symbiotic bacteria on amphibian skin can inhibit growth of the fungus Batrachochytrium
dendrobatidis (Bd) that has caused dramatic population declines and extinctions of …

Human alteration of the environment has arguably propelled the Earth into its sixth mass
extinction event and amphibians, the most threatened of all vertebrate taxa, are at the …