Sentences with phrase «surveyed wildlife populations»

Not exact matches

Hillary, a volunteer at Long Pasture in Barnstable, has for the past four years organized a scientific survey through the wildlife sanctuary to document declines in horseshoe crab populations.

Carried out on Ashmore Reef (tropical) and Macquarie Island (Sub-Antarctic), the research found that the ever - increasing precision provided by drones, along with the ability to survey hard - to - reach populations, may mean that wildlife monitoring projects move from traditional methods to drone technology.

Examining how land - use changes may affect water quality and fisheries resources in lakes and rivers will help natural resource agencies manage wildlife populations, according to Steven Chipps, leader of the U.S. Geological Survey, South Dakota Cooperative Fish and Wildlife Research Unit at South Dakota State University.

Dr. Paul Elkan, WCS Sudano - Sahel Region Director, who led the aerial survey team, said: «The global community must mobilize to secure the spectacular natural ecosystems of Northern CAR and its remaining critical wildlife populations.

The scientists, including several retired former officials from the Alaska Department of Fish & Game, the U.S. Geological Survey and the U.S. Fish & Wildlife Service, said in a letter to Senator Lisa Murkowski of Alaska and Senator Maria Cantwell of Washington that drilling for oil and gas in the refuge would be «incompatible with the purposes for which the refuge was established,» protecting fish and wildlife populations and the environments in which they live.

It undertakes practical conservation projects, surveys and scientific studies, conducts annual monitoring of seabird populations, rescues wildlife in trouble, publishes guides and information on many aspects of the Falkland Islands environment, and involves islanders of all ages in its activities, including running a WATCH group for children.

In their survey on wildlife losses, published in Science last year, Rudolfo Dirzo, a biologist at Stanford, and colleagues, reported that terrestrial vertebrates are showing a «25 per cent average decline in abundance» and that «invertebrate patterns are equally dire: 67 per cent of monitored populations show 45 per cent mean abundance decline.