Proponents of optimal foraging theory attempt to predict the behavior of animals while they
are foraging; this theory is based on a number of assump-tions (133, 155, 210, 231). First, an …

Interest in L évy walks within the context of movement of organisms has recently soared, with
some now referring to this approach as the L évy walk/flight paradigm. The principal …

Much recent theoretical work in foraging theory derives hypotheses from the general
assumption that animals are" efficient" in their foraging activities. Useful reviews may be …

A probabilistic model was developed that applies to the analysis of erratic movements made
by animals foraging in a stochastic environment. This model is a first order correlated …

Diptera are important flower visitors and pollinators for many plant species and in a variety of
habitats. Although Diptera are not as well studied as other groups of pollinators, there is a …

Nectar-collecting bumblebees are hypothesized to employ rules of movement which result in
the maximum net rate of energy gain (ie, are optimal). The optimal movement rules are …

Abstract Sabelis, MW (1981). Biological control of two-spotted spider mites using phytoseiid
predators. Part 1: Modelling the predator-prey interaction at the individual level. Agric. Res …

In their textbook of general botany, Jensen and Salisbury (1972) ask what a visitor from
outer space might deduce about Earth's vegetation as his space-ship approached our …

This readable text represents a much needed synthesis of ecological insight into animal
behavior. The field of behavioral ecology is relatively new, having evolved from a …

Although it has been assumed that attraction and repulsion between social individuals
constitute a basis for group cohesion, there has been no systematic study of the possible …