Chapman & Hall Wildlife Ecology and Behaviour Series – serie
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4 produkter
4 produkter
Inbunden, Engelska, 1996
3 557 kr
Skickas inom 10-15 vardagar
What main factors affect mammalian home-range and dynamics? To what extent do constraints on home range characteristics vary between the sexes? This book aims to address these issues by concentrating the authors' expertise and experience in studies of home ranges in general and focusing on their studies of the black bears of the Pisgah Forest, North Carolina, in particular. The authors provide an overview of black bears and methods for their study before discussing concepts of home range, developing predictive habitat quality models, addressing influences of food production on social organization and exploring the mating behaviour of male bears.
Häftad, Engelska, 1996
1 083 kr
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Rory Putman addresses the question of how, in many temporate ecosystems, diverse and species-rich assemblies of ungulates manage to co-exist despite often quite extensive overlap in ecological requirements. Putman explores the potential for competition, competition tolerance and even positive facilitation amongst the members of such guilds of ungulates. As a central worked example, the author employs data resulting from over 20 years of personal research into the ecology and population dynamics of various large herbivores of the New Forest in Southern England. With these, he applies formal protocols in resource use, evidence for resource limitation and evidence for interaction between species in changing population size over the years.
Inbunden, Engelska, 1995
2 373 kr
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This book, the second in Chapman & Hall's Wildlife, Ecology and Behaviour Series, focuses on studies of both European and Siberian roe deer to provide an authoritative insight into the taxonomy, ecology, feeding patterns, social behaviour and population dynamics. It uses this information to tackle the fascinating question of what environmental factors underly ranging patterns and trigger migratory behaviour in some populations but not in others, adding new perspectives and depths to our understanding of general issues in behavioural ecology.
Häftad, Engelska, 1995
1 083 kr
Skickas inom 10-15 vardagar
Over the past 30 years or so, research effort in behaviour and ecology has progressed from simple documentation of the habits or habitats of differ ent species to asking more searching questions about the adaptiveness of the patterns of behaviour observed; moved from documenting simply what occurs, to trying to understand why. Increasingly, studies of behav iour or ecology explore the function of particular responses or patterns of behaviour in individuals or populations - looking for the adaptiveness that has led to the adoption of such patterns either at a proximate level (what environmental circumstances have favoured the adoption of some particular strategy or response from within the animal's repertoire at that specific time) or at an evolutionary level (speculating upon what pres sures have led to the inclusion of a particular pattern of behaviour within the repertoire in the first place). Many common principles have been established - common to a wide diversity of animal groups, yet showing some precise relationship between a given aspect of behaviour or population dynamics and some particular ecological factor. In particular, tremendous advances have been made in understanding the foraging behaviour of animals - and the 'decision rules' by which they seek and select from the various resources on offer - and patterns of social organization and behaviour: the adap tiveness of different social structures, group sizes or reproductive tactics.