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Using Science to Improve the BLM Wild Horse and Burro Program A Way Forward (2013) / Chapter Skim
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Appendix D: Questions and Requests from the Committee
Pages 287-292

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From page 287...
... What factors do wild horse and burro biologists believe most strongly affect detectability (e.g., cover type, type of aircraft, elevation flown, snow versus no snow)
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From page 288...
... Based on the census and population estimate records provided by BLM for a sample of HMAs, it is difficult to understand how these data are converted into the annual national population estimates for free-ranging horses reported by the national program office. It is important for the committee to understand the process used for converting and aggregating the HMA numbers into a national statistic. The committee requests an explanation of how this is done and some documentation of the process for the past several years.
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From page 289...
... Please provide the committee with the following information • Report of genetic studies on burro populations • Fst values based on microsatellite studies between burro herds within states and between states 2  This question and the remaining under "Genetic Information" were submitted to E Gus Cothran of Texas A&M University.
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From page 290...
... THE USE AND APPLICATION OF WinEquus For a representative sample of six to eight HMAs throughout the western United States, please provide copies of the herd management assessments prepared prior to each roundup-removal action, fertility-control treatment, or both and respond to the following questions: • For each HMA, what were the parameter values [survival and reproductive rates, carrying capacity (K) , removal (by age/sex)
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From page 291...
... APPENDIX D 291 FERTILITY CONTROL Could BLM provide a list of projects and any associated reports related to work it is conducting on SpayVac with Mark Fraker/TerraMar Environmental Research LLC?
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Key Terms

  • holding facilities
  • please provide
  • population estimates
  • genetic issues
  • include burros

  • genetics reports
  • annual cycle
  • land management
  • categories below
  • microsatellite studies

  • values based
  • herd management
  • annual sums
  • wild horse
  • appropriate management

  • management levels
  • fst values
  • genetic information
  • eight hmas
  • horses reported

  • biologists believe
  • based health
  • previous blm
  • translocated horses
  • western united

  • suspected genetically
  • animal unit
  • survey research
  • provide counts
  • shown evidence


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