Sentences with phrase «on salamander populations»

«We found no evidence that climbing allows these salamanders to more fully exploit available food resources, which instead suggests that other mechanisms, such as competition or predator avoidance, might be important influences on salamander populations,» said Connette.

Not exact matches

Threading boundaries between and through centres of population on the pretext of ensuring fairness is also a great way to cheat for your own benefit — a practice known as gerrymandering, after a 19th - century governor of Massachusetts, Elbridge Gerry, who created an electoral division whose shape reminded a local newspaper editor of a salamander.

Such a sudden and rapid depletion of salamander species, especially ones with dense populations such as the eastern newt, could have «cascading effects» in affected ecosystems, says Michael Lannoo, a herpetologist at Indiana University and expert on amphibian declines.

Twice as many side - blotched lizards and Channel Islands slender salamanders were observed during a springtime population count on East Anacapa compared to populations observed on Middle Anacapa, Faulkner said.

When an Asian fungus that was already devastating European salamander and newt populations was tested on a keystone American species, the eastern newt, there was 100 - percent mortality.

Herpetologists quickly began pressing United States agencies and officials (Dot Earth, Op - Ed article) to clamp down on the global exotic pet trade to cut the chances of the disease reaching the United States — which has the most diverse salamander population in the world.