In the first successful attempt to calibrate walrus counts from satellite imagery, scientists used drones to validate animal counts in Svalbard, Norway. On this International Day for Biological Diversity, the researchers describe how this study is a big step towards using satellite imagery as a non-invasive method to monitor walruses in the Arctic.
The National Interest рассказал о возможностях США победить в Арктике iz.ru - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from iz.ru Daily Mail and Mail on Sunday newspapers.