Why do females across a wide range of taxa mate with more than one male? Here, I present the hypothesis that females engage in polyandry as a hedge against genetic incompatibility. I review evidence from the literature ...

In the field of helminthology, the life cycle of an organism not only brings to light the ontogeny of the individual, but also indicates its phylogenetic relationship in the general scheme of taxonomy. By means of the work ...

In social insect colonies workers realize their reproductive potential through rearing the queen's brood. In the primitively eusocial wasp Polistes exclamans (Hymenoptera: Vespidae) castes are not morphologically distinct. ...

The theory of kin selection is central to the understanding of social evolution. Recent theoretical work suggests a limitation on the action of kin selection in structured populations. The first such limit involves a ...

Methane emissions from flooded rice paddies are important contributors to the increasing atmospheric concentrations of methane, a potent greenhouse gas. With an increased need for rice agriculture to feed the growing global ...

Abstract Not Available.

Successional change following logging and major natural disturbance was investigated through the use of stand history reconstruction and population monitoring in an east Texas mixed pine-hardwood forest. Establishment of ...

I investigated spatial and temporal patterns of seed deposition, seedling appearance, survivorship, and growth in an East Texas river floodplain forest from 1980 through 1984, and estimated the importance of several factors ...