Large Herbivore Ecology, Ecosystem Dynamics and ConservationKjell Danell, Roger Bergström, Patrick Duncan, John Pastor Cambridge University Press, 25/05/2006 - 506 páginas Most large herbivores require some type of management within their habitats. Some populations of large herbivores are at the brink of extinction, some are under discussion for reintroduction, whilst others already occur in dense populations causing conflicts with other land use. Large herbivores are the major drivers for forming the shape and function of terrestrial ecosystems. This 2006 book addresses the scientifically based action plans to manage both the large herbivore populations and their habitats worldwide. It covers the processes by which large herbivores not only affect their environment (e.g. grazing) but are affected by it (e.g. nutrient cycling) and the management strategies required. Also discussed are new modeling techniques, which help assess integration processes in a landscape context, as well as assessing the consequences of new developments in the processes of conservation. This book will be essential reading for all involved in the management of both large herbivores and natural resources. |
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Página 25
... Recent analyses of the palaeohistory of ungulates suggest that the massive change in the trophic structure and species diversity of ungulate communities since the Miocene has been due to many factors Large herbivores across biomes | 25.
... Recent analyses of the palaeohistory of ungulates suggest that the massive change in the trophic structure and species diversity of ungulate communities since the Miocene has been due to many factors Large herbivores across biomes | 25.
Página 26
... structure and diversity of the ungulate community showed that grazers did not really replace browsers , but in- stead flourished after the rise of the mixed - feeders in the middle Miocene , when browsers were still numerous ( Janis et ...
... structure and diversity of the ungulate community showed that grazers did not really replace browsers , but in- stead flourished after the rise of the mixed - feeders in the middle Miocene , when browsers were still numerous ( Janis et ...
Página 33
... structure and dynamics in different biomes and climatic zones is likely to affect feeding types differently. GROUP SIZES AND FEEDING TYPES The feeding types have different body weights, browsers being smaller than mixed-feeders, which ...
... structure and dynamics in different biomes and climatic zones is likely to affect feeding types differently. GROUP SIZES AND FEEDING TYPES The feeding types have different body weights, browsers being smaller than mixed-feeders, which ...
Página 35
... structure (e.g. fibrousness) or composition (e.g. silicate) is more important in harvesting than mouth morphology. Low-crowned teeth are termed brachydont and correspond to a browse diet, medium-crowned teeth are termed mesodont and are ...
... structure (e.g. fibrousness) or composition (e.g. silicate) is more important in harvesting than mouth morphology. Low-crowned teeth are termed brachydont and correspond to a browse diet, medium-crowned teeth are termed mesodont and are ...
Página 37
... structure: grass resources are abundant and mostly continuous in space; browse is more patchy and dispersed. This would be consistent with the idea that feeding type diversification, and not habitat change, is the primary driver of ...
... structure: grass resources are abundant and mostly continuous in space; browse is more patchy and dispersed. This would be consistent with the idea that feeding type diversification, and not habitat change, is the primary driver of ...
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Outras edições - Ver tudo
Large Herbivore Ecology, Ecosystem Dynamics and Conservation Kjell Danell Pré-visualização indisponível - 2006 |
Large Herbivore Ecology, Ecosystem Dynamics and Conservation Kjell Danell,Roger Bergström,Patrick Duncan,John Pastor Pré-visualização indisponível - 2006 |
Palavras e frases frequentes
abundance Acacia American Naturalist animal areas arid availability behaviour Biology biomass bison body mass boreal forests browsers browsing cattle changes climate competition composition Conservation Crawley damage Danell density diet digestive disturbance diversity Ecology and Management ecosystems evolutionary feedbacks feeding fire forage frugivores functional response grass grassland grazing grazing intensity grazing systems growth habitat heavy grazing herbivore populations Hobbs Illius impact increase influence intake rate interactions Journal of Ecology landscape large carnivores large herbivores large mammalian herbivores litter mammals McNaughton models moose National Park nitrogen nitrogen cycling nutrient cycling Oecologia Oikos Olff Pastor patterns plant community plant species population density population dynamics predation prey processes production rangelands red deer reduced regeneration reindeer roe deer savanna scales Scots pine season seed predation seedlings selection Serengeti shrubs soil spatial heterogeneity structure studies trampling tree species tropical ungulates urine patches variability white-tailed deer Wildlife winter woodland Yellowstone
Passagens conhecidas
Página 268 - Moore. 1994. Southwestern ponderosa forest structure: changes since EuroAmerican settlement.