Most empirical and theoretical studies of resource use and population dynamics treat
conspecific individuals as ecologically equivalent. This simplification is only justified if …

Wildlife managers first became interested in raptor food habits in their attempts to assess the
impact of raptors on game animals and livestock (Fisher 1893, Errington 1930), but …

Many species pass through several distinct age classes (instars or year classes) as they
grow. The variety of resources used by age classes effectively expands niche width. This" …

Network approaches have become a popular tool for understanding ecological complexity in
a changing world. Many network descriptors relate directly or indirectly to specialization …

Sex differences in diet and habitat use in Red deer occur in several areas of Scotland. In
some cases, they are a consequence of differences in the altjtude levels used but, on Rhum …

A resident intertidal fish assemblage at Dillon Beach, California, USA, was persistent and
resilient for a 42‐month period. Data from a previous study indicated that productivity was …

Diets of most of fish species inhabiting a floodplain lake in central Amazonia were studied
over a two years and half period. Based on the percentage of relative occurrence of 11 …

The persistence and structure of a small but morphologically diverse fish assemblage of a
California stream was examined to see if it had the characteristics of a deterministically …

The distribution, hatching dates, growth, and food habits of larval and juvenile red drum
(Sciaenops ocellatus) in Tampa Bay, Florida, are described. From September 1981 through …

Many populations are heterogeneous collections of different sizes or stages of conspecifics.
Existing overlap indices do not account for the size—/stage—structured nature of these …