Population Estimates of Breeding Birds in North Dakota

作者: Robert E. Stewart , Harold A. Kantrud

DOI: 10.2307/4084108

关键词: Population densityFisherySampling (statistics)TransectProductivity (ecology)PopulationHabitatVegetationCensusGeographyAnimal scienceAnimal Science and ZoologyEcology, Evolution, Behavior and Systematics

摘要: … primarily from census data of summer birds on selected straight-… Projected statewide populations of summer birds were … of methods for censusing breeding birds over large areas. The …