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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 772
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 772
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Author: T. W. Hoekstra
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 12
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Book Description
Author: Evert Imhoff
Publisher: CRC Press
ISBN:
Category : Social Science
Languages : en
Pages : 170
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Book Description
Reviews and evaluates the compilation of regional (subnational) population projections. Focuses on the methodological aspects of projection and on the type of input data used.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309264944
Category : Technology & Engineering
Languages : en
Pages : 399
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Book Description
Using Science to Improve the BLM Wild Horse and Burro Program: A Way Forward reviews the science that underpins the Bureau of Land Management's oversight of free-ranging horses and burros on federal public lands in the western United States, concluding that constructive changes could be implemented. The Wild Horse and Burro Program has not used scientifically rigorous methods to estimate the population sizes of horses and burros, to model the effects of management actions on the animals, or to assess the availability and use of forage on rangelands. Evidence suggests that horse populations are growing by 15 to 20 percent each year, a level that is unsustainable for maintaining healthy horse populations as well as healthy ecosystems. Promising fertility-control methods are available to help limit this population growth, however. In addition, science-based methods exist for improving population estimates, predicting the effects of management practices in order to maintain genetically diverse, healthy populations, and estimating the productivity of rangelands. Greater transparency in how science-based methods are used to inform management decisions may help increase public confidence in the Wild Horse and Burro Program.
Author:
Publisher:
ISBN:
Category : Natural resources
Languages : en
Pages : 504
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1250
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author: Curtis H. Flather
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 160
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 228
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Author:
Publisher:
ISBN:
Category : City planning
Languages : en
Pages : 658
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 482
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Book Description
