Filters: Tags: Population number (X)941 results (48ms)
Status and distribution of three rare Illinois fishes: Blacktail shiner (Cyprinella venusta), northern starhead topminnow (Fundulus dispar), and cypress darter (Etheostoma proeliare)
Nesting population and production of hatchlings of Kemp's ridley sea turtle at Rancho Nuevo, Tamaulipas, Mexico.
Importance of small wetlands for the persistence of local populations of wetland-associated animals.
Rheobatrachus Liem and Taudactylus Straughan & Lee (Anura: Leptodactylidae) in Eungella National Park, Queensland: Distribution and decline
Approach to the diagnosis and treatment of depleted Pacific salmon populations in Pacific Northwest watersheds
Population declines of the native frog, Rana muscosa, in Sequoia and Kings Canyon national parks, California
Recent introduction of a freshwater Asiatic bivalve, Limnoperna fortunei (Mytilidae) into South America
Marbled murrelet populations of Washington -- marine habitat preferences and variability of occurrence
Decline in the abundance of harbor porpoise, Phocoena phocoena, in nearshore waters off California, 1986-93