Ecology Of Reintroduced Rocky Mountain Bighorn Sheep Following Two Transplants In The Southern Madison Range Montana
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Lewis and Clark on the Great Plains
Author | : |
Publisher | : U of Nebraska Press |
Total Pages | : 164 |
Release | : 2003-01-01 |
Genre | : History |
ISBN | : 9780803276185 |
A beautifully rendered reference guide to the Great Plains portion of the famous expedition through the American West highlights the explorer's remarkable encounters with previously undocumented flora and fauna as they moved through the Plains region. Original. (Biology & Natural History)
Northern Rocky Mountain Wolf Recovery Plan
Author | : Northern Rocky Mountain Wolf Recovery Team |
Publisher | : |
Total Pages | : 88 |
Release | : 1980 |
Genre | : Endangered species |
ISBN | : |
The Scientific Basis for Conserving Forest Carnivores
Author | : Leonard F. Ruggiero |
Publisher | : |
Total Pages | : 198 |
Release | : 1994 |
Genre | : American marten |
ISBN | : |
This cooperative effort by USDA Forest Service Research and the National Forest System assesses the state of knowledge related to the conservation status of four forest carnivores in the western United States: American marten, fisher, lynx, and wolverine. The conservation assessment reviews the biology and ecology of these species. It also discusses management considerations stemming from what is known and identifies information needed. Overall, we found huge knowledge gaps that make it difficult to evaluate the species' conservation status.
Whitebark Pine Communities
Author | : Diana F. Tomback |
Publisher | : Island Press |
Total Pages | : 462 |
Release | : 2001 |
Genre | : Nature |
ISBN | : 9781597263207 |
Whitebark pine is a dominant feature of western high-mountain regions, offering an important source of food and high-quality habitat for species ranging from Clark's nutcracker to the grizzly bear. But in the northwestern United States and southwestern Canada, much of the whitebark pine is disappearing. Why is a high-mountain species found in places rarely disturbed by humans in trouble? And what can be done about it.Whitebark Pine Communities addresses those questions, explaining how a combination of altered fire regimes and fungal infestation is leading to a rapid decline of this once abundant -- and ecologically vital -- species. Leading experts in the field explain what is known about whitebark pine communities and their ecological value, examine its precarious situation, and present the state of knowledge concerning restoration alternatives. The book. presents an overview of the ecology and status of whitebark pine communities offers a basic understanding of whitebark pine taxonomy, distribution, and ecology, including environmental tolerances, community disturbance processes, regeneration processes, species interactions, and genetic population structure identifies the threats to whitebark pine communities explains the need for management intervention surveys the extent of impact and losses to dateMore importantly, the book clearly shows that the knowledge and management tools are available to restore whitebark pine communities both locally and on a significant scale regionally, and it provides specific information about what actions can and must be taken.Whitebark Pine Communities offers a detailed portrait of the ecology of whitebark pine communities and the current threats to them. It brings together leading experts to provide in-depth information on research needs, management approaches, and restoration activities, and will be essential reading for ecologists, land managers, and anyone concerned with the health of forest ecosystems in the western United States.
Manual of Montana Vascular Plants
Author | : Peter Lesica |
Publisher | : |
Total Pages | : 794 |
Release | : 2022-08 |
Genre | : |
ISBN | : 9781889878874 |
Montana is the fourth largest state in the United States. It includes portions of both the Northern Great Plains and the Rocky Mountains. Vegetation of Montana is diverse, due primarily to the size of the state as well as great topographic relief which provides strong variation in environmental factors. Montana has a relatively large flora for a northern continental region due to being at the intersection of the Cordilleran, Great Plains, and Boreal floristic provinces. This book is a comprehensive field guide to the more than 2,500 species of Montana's vascular plants. It contains descriptions as well as habitat and distribution information based on specimens housed at the state's two major herbaria. Portraits or illustrations of diagnostic structures are provided for nearly one-third of the species.
Equids--zebras, Asses, and Horses
Author | : Patricia Des Roses Moehlman |
Publisher | : IUCN |
Total Pages | : 212 |
Release | : 2002 |
Genre | : Nature |
ISBN | : 9782831706474 |
The new Equid Action Plan provides current knowledge on the biology, ecology and conservation status of wild zebras, asses, and horses. It specifies what information is lacking, and prioritizes needed conservation actions. The Action Plan also provides chapters on equid taxonomy, genetics, reproductive biology, and population dynamics. These chapters highlight unsolved issues of taxonomy and genetics. They also provide information and insight into the special demographic and genetic challenges of managing small populations. The chapter on disease provides a review of documented equine disease and epidemiology and focuses on priorities for equid conservation health. The final chapter deals with the importance of developing an assessment methodology that explicitly considers the role of equids in ecosystems and the ecological processes that are necessary for ecosystem viability. The approach of combining ecological field studies and ecosystem modeling should prove useful for the scientific management and conservation of wild equids worldwide. These chapters provide research and conservation practitioners with new information and paradigms.
Using Science to Improve the BLM Wild Horse and Burro Program
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 399 |
Release | : 2013-10-04 |
Genre | : Technology & Engineering |
ISBN | : 0309264944 |
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.
An Identification Manual to the Small Mammals of British Columbia
Author | : David W. Nagorsen |
Publisher | : British Columbia, Ministry of Sustainable Resource Management |
Total Pages | : 153 |
Release | : 2002-01-01 |
Genre | : Mammals |
ISBN | : 9780772647450 |