Ecological Modelling · 1987 · 77 citations · 19 references
Life SciencesAnimal SciencesZoologyWildlife ManagementCarrying CapacityFisheries ProductivityWildlife Economics
19
The Ducks, Geese, and Swans of North America
Paul M. Scheffer, Francis H. Kortright · The Murrelet · 1943 · 1.2K citations
Relationships between Visual Obstruction Measurements and Weight of Grassland Vegetation
Robert J. Robel, James N. Briggs, A. D. Dayton et al. · Journal of Range Management · 1970 · 1.2K citations
Life Sciences, Ecology, Zoology +16
Ducks, Geese and Swans of North America
Matthew C. Perry, Frank C. Bellrose · Journal of Wildlife Management · 1977 · 462 citations
The role of nutrient reserves in mallard reproduction
Gary L. Krapu · Lincoln (University of Nebraska) · 1981 · 350 citations · Full text