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The Beaver : Its Life and Impact /
Beavers can and do dramatically change the landscape. The beaver is a keystone species—their skills as foresters and engineers create and maintain ponds and wetlands that increase biodiversity, purify water, and prevent large-scale flooding. Biologists have long studied their daily and seasonal rout...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Ithaca :
Comstock Pub. Associates/Cornell University Press,
2011.
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| Edición: | 2nd ed. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- pt. 1. The organism. 1. Now and then : the species, including fossils ; 2. Form, weight, and special adaptations ; 3. Diving and thermoregulation : from land mammal to semiaquatic design and function ; 4. Energy budget
- pt. 2. Behavior. 5. Families as social units ; 6. Communication by scent and sound ; 7. Infrastructure : dams, lodges, trails, and canals ; 8. Beaver time ; 9. Food selection
- pt. 3. Populations. 10. Reproduction, development, and life expectancy ; 11. Population densities and dynamics ; 12. Finding a home : dispersal
- pt. 4. Ecology. 13. Where they live and why : habitat requirements ; 14. Mortality and predators ; 15. Parasites and diseases ; 16. Maker of landscapes : creating habitat for plants, animals, and people
- pt. 5. Beaver and people : conservation, use, and management. 17. "Here before Christ" : fur trade, the "beaver republic" (Hudson's Bay Company), and fur trapping today ; 18. Reintroductions and other transplants ; 19. "Nuisance beavers" claim their land ; 20. Needed : an ecosystems engineer for habitat restoration and other services ; 21. Living with beavers : conservation and proactive management.