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Articles 17761 - 17790 of 18621
Full-Text Articles in Entire DC Network
Development Concept Plan For Bullfrog Basin: Glen Canyon National Recreation Area, Department Of Interior; National Park Service; United States
Development Concept Plan For Bullfrog Basin: Glen Canyon National Recreation Area, Department Of Interior; National Park Service; United States
Elusive Documents
No abstract provided.
Bear River Basin Environmental Assessment Biotic Resources: Flora- Fauna Appendix Iii, Wyoming Water Planning Program
Bear River Basin Environmental Assessment Biotic Resources: Flora- Fauna Appendix Iii, Wyoming Water Planning Program
Elusive Documents
No abstract provided.
Curlew Valley Validation Site Report, J.A. Macmahon
Jornada Validation Site Report, W.G. Whitford
Plant Demographic Studies Of Desert Annual Communities In Northern Utah Dominated By Non-Native Weedy Species, D.R. Duba, B.E. Norton
Plant Demographic Studies Of Desert Annual Communities In Northern Utah Dominated By Non-Native Weedy Species, D.R. Duba, B.E. Norton
Memorandum
No abstract provided.
Abundance And Distribution Of Soil Micro-Arthropods In Rock Valley, Nevada, E.B. Edney, P.J. Franco, J.F. Mcbrayer
Abundance And Distribution Of Soil Micro-Arthropods In Rock Valley, Nevada, E.B. Edney, P.J. Franco, J.F. Mcbrayer
Memorandum
No abstract provided.
Biology Of Nematodes In Desert Ecosystems, D.W. Freckman, R. Mankau
Biology Of Nematodes In Desert Ecosystems, D.W. Freckman, R. Mankau
Memorandum
No abstract provided.
Programming Phase Of Water Response Ecosystem Model: V. Annual Plant Submodel, B. J. Gilbert
Programming Phase Of Water Response Ecosystem Model: V. Annual Plant Submodel, B. J. Gilbert
Memorandum
No abstract provided.
Programming Phase Of Water Response Ecosystem Model: Perennial Plant, Nitrogen And Decomposition Submodels, P. W. Lommen, D. C. Wilkin
Programming Phase Of Water Response Ecosystem Model: Perennial Plant, Nitrogen And Decomposition Submodels, P. W. Lommen, D. C. Wilkin
Memorandum
No abstract provided.
Programming Phase Of Water Response Ecosystem Model: Iii. Animal Submodel, J. E. Heasley
Programming Phase Of Water Response Ecosystem Model: Iii. Animal Submodel, J. E. Heasley
Memorandum
No abstract provided.
Programming Phase Of Water Response Ecosystem Model: Ii. Abiotic Submodels, P. W. Lommen, K. A. Marshall
Programming Phase Of Water Response Ecosystem Model: Ii. Abiotic Submodels, P. W. Lommen, K. A. Marshall
Memorandum
No abstract provided.
Curlew Valley Validation Site Report, J. A. Macmahon
The Impact Of Seed Consumers In A Desert Ecosystem, M. Bryant, D. J. Depree, S. Dick-Peddie, P. Hamilton, W. G. Whitford
The Impact Of Seed Consumers In A Desert Ecosystem, M. Bryant, D. J. Depree, S. Dick-Peddie, P. Hamilton, W. G. Whitford
Memorandum
No abstract provided.
Plant Food Preferences Of Two Sympatric Rodents And Their Potential Impact On A Great Basin Shrub Community, E. L. Becker Ii, D. F. Balph
Plant Food Preferences Of Two Sympatric Rodents And Their Potential Impact On A Great Basin Shrub Community, E. L. Becker Ii, D. F. Balph
Memorandum
No abstract provided.
Effects Of Rodents On Germination Of Desert Annuals, O. J. Reichman
Effects Of Rodents On Germination Of Desert Annuals, O. J. Reichman
Memorandum
No abstract provided.
Measurements Of Carbon And Nitrogen Changes In A Desert Soil, E. E. Staffeldt, K. B. Vogt
Measurements Of Carbon And Nitrogen Changes In A Desert Soil, E. E. Staffeldt, K. B. Vogt
Memorandum
No abstract provided.
Measurements Of Carbon And Nitrogen Changes In A Desert Soil, E. E. Staffeldt, K. B. Vogt
Measurements Of Carbon And Nitrogen Changes In A Desert Soil, E. E. Staffeldt, K. B. Vogt
Progress reports
No abstract provided.
Programming Phase Of Water Response Ecosystem Model: Ii. Abiotic Submodels, P. W. Lommen, K. A. Marshall
Programming Phase Of Water Response Ecosystem Model: Ii. Abiotic Submodels, P. W. Lommen, K. A. Marshall
Progress reports
No abstract provided.
Programming Phase Of Water Response Ecosystem Model: Iv. Perennial Plant, Nitrogen And Decomposition Submodels, P. W. Lommen, D. C. Wilkin
Programming Phase Of Water Response Ecosystem Model: Iv. Perennial Plant, Nitrogen And Decomposition Submodels, P. W. Lommen, D. C. Wilkin
Progress reports
No abstract provided.
Blood And Tissue Identification Of Selected Birds And Mammals, Part Ii: Cross Reaction Patterns Of Birds And Mammals, Using Deer, Bovine, Raccoon, Chicken And Mallard Duck Antiserum, Part 4, David W. Oates, Debra L. Weigel
Blood And Tissue Identification Of Selected Birds And Mammals, Part Ii: Cross Reaction Patterns Of Birds And Mammals, Using Deer, Bovine, Raccoon, Chicken And Mallard Duck Antiserum, Part 4, David W. Oates, Debra L. Weigel
Other Publications in Wildlife Management
Part 4 (pp. 86-114)
Mammals (Figure 10), continued
Horse
Human
Mink
Opossum
Pig
Porcupine.
Prairie Dog
Raccoon
Big Horn Sheep
Domestic Sheep
Striped Skunk
Fox Squirrel
Discussion
Private Water Supplies, Maine Department Of Human Services
Private Water Supplies, Maine Department Of Human Services
Maine Collection
Private Water Supplies
Department of Human Services, Augusta, Me. (Reprinted 1976).
Contents: Introduction / General Requirements / Types of Private Water Supplies / Procurement of Safe Water / Distribution / Appendix A & B
Sensitivity Of Vertebrate Embryos To Heavy Metals As A Criterion Of Water Quality: Phase Iii: Use Of Fish And Amphibian Eggs As Bioindicator Organisms For Evaluating Water Quality, Wesley J. Birge, Albert G. Westerman, Jeffrey A. Black
Sensitivity Of Vertebrate Embryos To Heavy Metals As A Criterion Of Water Quality: Phase Iii: Use Of Fish And Amphibian Eggs As Bioindicator Organisms For Evaluating Water Quality, Wesley J. Birge, Albert G. Westerman, Jeffrey A. Black
KWRRI Research Reports
Fish and amphibian eggs, embryos and early posthatched (larval) stages were evaluated as bioindicator organisms with which to monitor the quality of natural water resources. Eggs of 9 species were cultured in water collected from each of 11 Inner Bluegrass rivers and streams. The latter were chosen to represent water sources varying in quality from extremely poor to good. Selection was based on the sources and magnitude of pollution, and the diversity and density of piscine populations. Cultures were maintained in vitro, using 12-hour changes of water.
Averaging data for all 9 animal species, egg hatchability (embryonic survival) ranged …
Blood And Tissue Identification Of Selected Birds And Mammals, Part Ii: Cross Reaction Patterns Of Birds And Mammals, Using Deer, Bovine, Raccoon, Chicken And Mallard Duck Antiserum, Part 1, David W. Oates, Debra L. Weigel
Blood And Tissue Identification Of Selected Birds And Mammals, Part Ii: Cross Reaction Patterns Of Birds And Mammals, Using Deer, Bovine, Raccoon, Chicken And Mallard Duck Antiserum, Part 1, David W. Oates, Debra L. Weigel
Other Publications in Wildlife Management
Most enforcement cases involving our laboratory deal with the identification of a blood stain or meat sample which is suspected to be deer. Determining whether it is, indeed, from deer is not difficult. But, if the sample is not deer, exact identification can prove to be a more time consuming and tedious process. To eliminate the need to obtain antiserum for each individual species and aid identification, we undertook an investigation on which species and the extent to which several species may cross react with antisera of some common birds and mammals, especially deer. Deer, cow, and raccoon were selected …
Blood And Tissue Identification Of Selected Birds And Mammals, Part Ii: Cross Reaction Patterns Of Birds And Mammals, Using Deer, Bovine, Raccoon, Chicken And Mallard Duck Antiserum, Part 5, David W. Oates, Debra L. Weigel
Blood And Tissue Identification Of Selected Birds And Mammals, Part Ii: Cross Reaction Patterns Of Birds And Mammals, Using Deer, Bovine, Raccoon, Chicken And Mallard Duck Antiserum, Part 5, David W. Oates, Debra L. Weigel
Other Publications in Wildlife Management
Part 5 (pp. 114-117) References Appendix
Laboratory Apparatus For Providing Diel Temperature Regimes For Aquatic Animals, Wayne A. Wurtsbaugh, G. Davis
Laboratory Apparatus For Providing Diel Temperature Regimes For Aquatic Animals, Wayne A. Wurtsbaugh, G. Davis
Watershed Sciences Faculty Publications
In studies of the effects of elevated temperature on aquatic organisms, little emphasis has been placed on modeling the fluctuating temperatures to which organisms are exposed in nature. To some extent this may be related to problems of design and maintenance of apparatus for fluctuating temperature control. The complexity of apparatus used to provide cycled temperatures has ranged from manually controlled valves for introducing water of different temperatures into aquariums (Kelso 1972), to a complex and expensive feedback system, regulated by rotating cams, that controls the temperature of influent water (Honeywell Cam Programmer Thermometers, Fort Washington, Pennsylvania). To facilitate studies …
Analysis Of Aerial Surveys And Tolerance Of Landowners For A Canada Goose Flock In Northeastern South Dakota, Thomas C. Tacha
Analysis Of Aerial Surveys And Tolerance Of Landowners For A Canada Goose Flock In Northeastern South Dakota, Thomas C. Tacha
Electronic Theses and Dissertations
Four hundred rural landowners were interviewed in Day and Marshall counties in South Dakota in 1974 and 1975. These 400 interviews included 200 interviews with landowners living within 6.4 km of the three major summer-fall goose concentration areas and 200 interviews from a random sample of landowners living in the study area. Eighty-six percent of the interviewed landowners indicated that it was a good idea to expand the northeastern South Dakota Canada goose flock from 2,000 to 5,000 birds. Only 6 percent of the landowners had complaints about the geese, despite the fact that 23.5 percent of them had received …
Key To Microscopic Fragments Of Plant Tissue In Prairie Dog Stomachs And Food Habits Of Prairie Dogs In South Dakota, Carol A. Summers
Key To Microscopic Fragments Of Plant Tissue In Prairie Dog Stomachs And Food Habits Of Prairie Dogs In South Dakota, Carol A. Summers
Electronic Theses and Dissertations
The purpose of this study was to (1) develop a reference collection and construct a key of plants occurring on prairie dog towns in southwest South Dakota; (2) determine plant species eaten by prairie dogs by analyzing stomach and pellet samples; and (3) relate the availability of plant species and preference in the feeding habits of prairie dogs. Two prairie dog towns of different vegetation were studied. Four burrows in each of two vegetative types for each town were randomly selected. Prairie dogs and pellet samples were collected from these burrows; plant cover was measured in four concentric circles for …
Effects Of P.L. 566 Stream Channelization On Wetlands In The Prairie Pothole Region, Ronald E. Erickson
Effects Of P.L. 566 Stream Channelization On Wetlands In The Prairie Pothole Region, Ronald E. Erickson
Electronic Theses and Dissertations
The Wild Rice Creek Watershed project, in North and South Dakota was constructed under authority of the Small Watershed Protection and Flood Prevention Act (P.L. 83-566 as amended). Structural measures included 24.7 miles of channelization and four floodwater retarding dams. To measure the degree that channelization influenced drainage of prairie wetlands, drainage rates in a channelized tributary were compared to rates in an unchannelized tributary of Wild Rice Creek. Channelization had a direct impact on wetlands by channel drainage reduction of overbank flows, and by providing drainage outlets. Indirect (secondary) wetland losses are believed to have occurred outside of the …
Population Status Of Beaver On The Free-Running Missouri River In Southeastern South Dakota, Robert J. Vanden Berge
Population Status Of Beaver On The Free-Running Missouri River In Southeastern South Dakota, Robert J. Vanden Berge
Electronic Theses and Dissertations
One hundred sixty two beaver (Castor canadensis) harvested by trappers from the free-running Missouri River in southeastern South Dakota were examined from fall 1974 to spring 1976. Ninety two were males and 70 were females (131:100 sex ratio). Age specific sex ratios were not significantly different (P >0.05) from a 1:1 ratio for all age classes. The age structure of the sample was 69:26:45:15:4:3 for age classes zero through five, respectively. Minimum breeding age for female beaver was 2.5 years. Seventy-eight percent of all females (>2.5 years old) collected after the breeding season contained corpora lutea and viable fetuses. …
Nitrogen Cycling In Microcosms And Application To The Biology Of The Northern Arm Of The Great Salt Lake, John C. Stube, Frederick J. Post, Donald B. Porcella
Nitrogen Cycling In Microcosms And Application To The Biology Of The Northern Arm Of The Great Salt Lake, John C. Stube, Frederick J. Post, Donald B. Porcella
Reports
No abstract provided.