Science news articles about 'drastic decline'

... of chimpanzees was estimated at 8,000 to 12,000 individuals. While that already represented a drastic decrease from the expected numbers, it nonetheless meant that Côte d'Ivoire harbored about half of ...

... spanning more than five decades to analyze and calculate a drastic decline of so-called "trophy fish ... shown that coral reef ecosystems experience drastic changes, including evidence of bacteria-infested ...

... accessed archival photographs spanning more than five decades to analyze and calculate a drastic decline of so-called "trophy fish" caught around coral reefs surrounding Key West, Florida. ...

... decades, Wake said. The global amphibian extinction is a particularly bleak example of this drastic decline. In 2004, researchers found that nearly one-third of amphibian species are threatened, and ...

... . Since the winter of 2006-07, bat declines at many surveyed hibernation caves exceeded 75 ... then, populations of cave-hibernating bats have been drastically declining in Connecticut, Maine, New York ...

... widespread species, Burgess said. Historically, the region was full of sawfish, but the numbers drastically declined as development encroached on the creature's coastal habitat and its encounters with ...

... breeding pairs by the end of the century. What's more, the researchers calculate that the probability of a drastic decline (by 95 percent or more) is at least 40 percent and perhaps as much as 80 ...

... need for more knowledge of these fascinating animals has become critical because of recent drastic declines in their populations globally." In an awesome display of power and acrobatic prowess, white ...