Sentences with phrase «conservation scientists estimated»

Not exact matches

Scientists estimate that 30 percent of plant species are now of conservation concern in just the United States alone.
This is an integral part of conservation as it enables scientists to identify individuals and estimate population sizes.
Barb Taylor is a conservation biologist with NOAA's Southwest Fisheries Science Center in La Jolla, California, and she was the co-chief scientist on an expedition last summer to estimate how many vaquita remain.
Losey and his colleague Mace Vaughan of the Xerces Society for Invertebrate Conservation undertook the task of estimating the monetary value of insect activity in the U.S. Confining themselves to four activities that could be rigorously calculated — processing cattle dung, controlling pests, pollinating plants and serving as food for wildlife — the scientists derived conservative figures for the value of these services.
Shark populations are declining globally, and scientists lack data to estimate the conservation status of populations for many shark species.
(Washington, D.C., January 29, 2013) A new peer - reviewed study published today and authored by scientists from two of the world's leading science and wildlife organizations — the Smithsonian Conservation Biology Institute and the U.S. Fish and Wildlife Service (FWS)-- has found that bird and mammal mortality caused by outdoor cats is much higher than has been widely reported, with annual bird mortality now estimated to be 1.3 to 4.0 billion and mammal mortality likely 6.3 to 22.3 billion individuals.
Research by scientists from the Smithsonian Conservation Biology Institute and the U.S. Fish and Wildlife Service estimated that cats are responsible for the deaths of 1.4 - 3.7 billion birds and 6.9 - 20.7 billion mammals in the United States every year.
In Florida's waters alone, scientists from the Fish and Wildlife Conservation Commission estimate that the 3,000 manatees occupy much of the same space as the 1 million registered boats and thousands of out - of - state vacationing boats.
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