Titlebook: Searching Behaviour; The behavioural ecol William J. Bell Book 1990 Springer Science+Business Media Dordrecht 1990 Lysin.Pet.animals.ecolog

indemnify

etidronate

管理员

Restricting search to a patchrch in most cases seems uniquely designed for finding other resources in a patch once the first one has been utilized. For this reason, when local search is stimulated by resource utilization it is sometimes referred to as ‘success-motivated search’ (Vinson, 1977). After resource utilization release

GEM

袖章

When to return to a resource patch where females can mate only once). In other cases the resource can be renewed or recycled, such that it can again provide benefits after a certain period of time. The question here is how long should a forager wait before returning to a patch? Cropping and traplining are two mechanisms that promote

Triglyceride

Exploratory behavioures. Exploratory behaviour is probably a more significant component of searching than is usually appreciated. For example, Balda (1980) observed nutcrackers (.) first carrying out an exploratory survey of an area before searching around for a specific site in which to cache food. Since the birds prov

不感兴趣

单纯

External environmentithin and between seasons. In addition, external environmental factors, including abiotic factors such as shifts in temperature or biotic factors such as influences of other individuals, may affect searching requirements or abilities. These sources of variability add to the risks and problems of ani

chassis

Internal environmentiability in the internal state reflects differences between individuals or changes within one individual over time in nutrient or energetic budgets, hormonal titres, and feedback from reproductive organs and other systems affecting behavioural thresholds. Thus, there may be differences within or bet

勋章