Yazar
debra l palka
3 cilt bulundu.
Cilt sonuçları
Summary of harbor porpoise (Phocoena phocoena) bycatch and levels of compliance in the northeast and mid-Atlantic gillnet fisheries after the implementation of the Take Reduction Plan, 1 January 1999-31 May 2007
Debra L. Palka · U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center
90 sayfa · 2008
Harbor porpoise / Mortality / Bycatches (Fisheries) / Habitat
Update on abundance of Gulf of Maine/Bay of Fundy harbor porpoises
Debra L. Palka · NOAA/National Marine Fisheries Service, Northeast Fisheries Science Center
31 sayfa · 1996
Harbor porpoise / Counting / Mathematical models / Animal populations / Estimates
Cooperative research to study dive patterns of sperm whales in the Atlantic Ocean
Debra L. Palka, Mark A. Johnson · U.S. Department of the Interior, Minerals Management Service, Gulf of Mexico OCS Region
40 sayfa · 2007
Sperm whale / Prospecting / Geophysical methods / Environmental aspects / Seismic prospecting