Filters: Tags: population density (X)

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Human Population in the Western United States (1900 - 2000) Map containing historical census data from 1900 - 2000 throughout the western United States at the county level. Data includes total population, population density, and percent population change by decade for each county. Population data was obtained from the US Census Bureau and joined to 1:2,000,000 scale National Atlas counties shapefile. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, California, Colorado, Cultural, Society, and Demographic, Demographic, All tags... Historical Features, Idaho, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, US Census, Utah, Washington, Western US, Wyoming, census, historic population, population, population change, population density, Fewer tags [A dynamics of populations mathematical model 2.] Categories: Publication; Types: Citation; Tags: ASFA 1: Biological Sciences & Living Resources, Q1 01442 Population dynamics, mathematical models, population density, population dynamics, All tags... recruitment, Fewer tags Sackville Waterfowl Park, Sackville, New Brunswick, Canada. Baseline characterization, towards long-term monitoring Categories: Publication; Types: Citation; Tags: ASFA 1: Biological Sciences & Living Resources; Ecology Abst, Aves, Canada, New Brunswick, Canada, New Brunswick, Sackville Waterfowl Park, Q1 01463 Habitat community studies; D 04671 Birds, All tags... aquatic birds, breeding sites, nature conservation, population density, salt marshes, Fewer tags Public Water-Supply Systems and Associated Water Use in Tennessee, 1995 Categories: Publication; Types: Citation; Tags: Domestic Water, Drinking Water, Population Density, Public Utility Districts, SW 3060 Water treatment and distribution, All tags... USA, Tennessee, Water Demand, Water Distribution, Water Resources Abstracts, Water Supply, Water Use, Fewer tags Ecology and protection of imperial eagle (Aquila heliaca ) in the Baikal region. Categories: Publication; Types: Citation; Tags: Aquila heliaca, D 04671 Birds; D 04705 Conservation, Ecology Abstracts, USSR, Baikal L. Region, diets, All tags... population density, wildlife conservation, Fewer tags Dispersal and Population Density of the Fox (Vulpes vulpes ) in an Area of London. Categories: Publication; Types: Citation; Tags: British Isles, England, London, D 04672 Mammals, Ecology Abstracts, Vulpes vulpes, dispersal, All tags... population density, urban environments, Fewer tags Prediction of bird-community metrics in urban woodlots. Categories: Publication; Types: Citation; Tags: Aves, Canada, Ontario, D 04003 Modeling, mathematics, computer applications; D 0467, Ecology Abstracts, abundance, All tags... forests, models, population density, species richness, urban environments, Fewer tags Gray wolf density and its association with weights and hematology of pups from 1970 to 1988. Categories: Publication; Types: Citation; Tags: Canis lupus, D 04672 Mammals, Ecology Abstracts, USA, Minnesota, Superior Natl. Forest, body weight, All tags... haematology, juveniles, population density, Fewer tags Size, age, and density relationships in curlleaf mahogany (Cercocarpus ledifolius ) populations in western and central Nevada: Competitive implications. Categories: Publication; Types: Citation; Tags: Cercocarpus ledifolius, D 04640 Other angiosperms, Ecology Abstracts, USA, Nevada, age composition, All tags... competition, population density, size distribution, Fewer tags Planning and evaluating habitat projects for anadromous salmonids. Categories: Publication; Types: Citation; Tags: ASFA 1: Biological Sciences & Living Resources; ASFA 3: Aqua, Q1 01565 Policy, legislation and sociology; Q5 01522 Protect, Salmonidae, USA, Northwest, anadromous species, All tags... economic analysis, environmental factors, fishery engineering, habitat improvement, limiting factors, migrations, planning, population density, river engineering, site selection, Fewer tags Diel and density-related changes in food consumption and prey selection by brook charr in a New Hampshire stream Categories: Publication; Types: Citation; Tags: D 04668 Fish; Y 25495 Fish, Ecology Abstracts; Animal Behavior Abstracts, Salvelinus fontinalis, USA, New Hampshire, diurnal variations, All tags... food consumption, food selection, population density, Fewer tags Ecological observations on Rana pretiosa in western Utah Categories: Publication; Types: Citation; Tags: D 04669 Amphibians; Y 25424 Vertebrates (excluding fish, bir, Ecology Abstracts; Animal Behavior Abstracts; ASFA 1: Biolog, Rana pretiosa, USA, Utah, body size, All tags... egg laying, fecundity, nature conservation, population density, Fewer tags Seasonal species composition and distribution of barnacle larvae in Avacha Inlet (Kamchatka) Categories: Publication; Types: Citation; Tags: ASFA 1: Biological Sciences & Living Resources; Oceanic Abst, Balanus balanus, Balanus crenatus, Chthamalus dalli, Cirripedia, All tags... INW, Russia, Kamchatka, Avacha Inlet, Q1 01442 Population dynamics; Q1 01461 Plankton; O 1070 Ecol, Russia, Semibalanus cariosus, community composition, crustacean larvae, marine crustaceans, population density, population dynamics, seasonal variations, vertical distribution, Fewer tags Variation in brood behavior of black brant Categories: Publication; Types: Citation; Tags: Animal Behavior Abstracts; Ecology Abstracts; ASFA 1: Biolog, Branta bernicla nigricans, Y 25426 Birds; D 04671 Birds; Q1 01423 Behaviour, aquatic birds, brood care, All tags... brood rearing, brood rearing, feeding behaviour, parental behavior, population density, Fewer tags Recent introduction of a freshwater Asiatic bivalve, Limnoperna fortunei (Mytilidae) into South America Categories: Publication; Types: Citation; Tags: ASFA 1: Biological Sciences & Living Resources; ASFA 3: Aqua, Argentina, Asia, Limnoperna fortunei, PSW, South America, Rio de la Plata, All tags... Q1 01262 Geographical distribution; Q5 01521 Mechanical and , distribution records, environmental impact, freshwater mollusks, geographical distribution, introduced species, littoral zone, population density, population number, salinity tolerance, Fewer tags Size of the Cape Barren goose population in Western Australia Categories: Publication; Types: Citation; Tags: Australia, Western Australia, Cereopsis novaehollandiae, D 04671 Birds; Q1 01441 Population structure; Q5 01523 Conse, Ecology Abstracts; ASFA 1: Biological Sciences & Living Reso, ISW, Australia, Western Australia, All tags... census, endemic species, marine birds, population changes, population density, population number, population status, rare species, Fewer tags Population distribution of Cucumaria frondosa along the New Hampshire coast: Where is everyone? Categories: Publication; Types: Citation; Tags: ANW, USA, Maine Gulf, ASFA 1: Biological Sciences & Living Resources; Oceanic Abst, Cucumaria frondosa, Holothuroidea, Q1 01442 Population dynamics; O 1070 Ecology/Community Studi, All tags... geographical distribution, invertebrate larvae, natural mortality, population density, population dynamics, recruitment, Fewer tags Role of zebra and quagga mussels in the Lake Erie food web: Development of a whole lake model Categories: Publication; Types: Citation; Tags: GIS, North America, Erie L., SW 0850 Lakes; Q1 01482 Ecosystems and energetics, Water Resources Abstracts; ASFA 1: Biological Sciences & Liv, biological production, All tags... ecosystems, food chains, freshwater molluscs, introduced species, model studies, mussels, nutrients, population density, productivity, quagga mussels, zebra mussels, Fewer tags Spatial variation in abundance Categories: Publication; Types: Citation; Tags: Aves, D 04671 Birds, Ecology Abstracts, North America, abundance, All tags... population density, spatial distribution, Fewer tags Comparison of habitat composition and cutthroat trout abundance at two flows in small mountain streams Categories: Publication; Types: Citation; Tags: ASFA 1: Biological Sciences & Living Resources; Ecology Abst, Oncorhynchus clarki, Q1 01422 Environmental effects; D 04668 Fish; SW 5010 Networ, USA, West, aquatic habitats, All tags... biological sampling, comparative studies, habitat selection, mountains, population density, stock assessment, streams, trout, Fewer tags 1 2 3 4 5 ... »