Steven C. Amstrup

2 books

Marine Mammal Survey and Assessment Methods by J. L. Laake, Steven C. Amstrup, D. G. Robertson

Marine Mammal Survey and Assessment Methods

J. L. Laake, Steven C. Amstrup, D. G. Robertson

8 pages • hardcover

nonfiction nature science medium-paced
Polar Bear Population Status in the Southern Beaufort Sea: Usgs Open-File Report 2006-1337 by Eric V. Regehr, Ian Stirling, Steven C. Amstrup

Polar Bear Population Status in the Southern Beaufort Sea: Usgs Open-File Report 2006-1337

Eric V. Regehr, Ian Stirling, Steven C. Amstrup

34 pages • paperback

nonfiction politics medium-paced