When observing unexplained stunting, wilting, or death in crops. When planting into a field with a history of nematodes. In areas with prior poor performance. In fall when nematode populations should ...

This is a preview. Log in through your library . Abstract 1. The spatial heterogeneity of predator populations is an important component of ecological theories pertaining to predator-prey dynamics.

Aim: The distributions of exotic species reflect patterns of human-mediated dispersal, species climatic tolerances and a suite of other biotic and abiotic factors. The relative importance of each of ...

Mathematicians propose a theoretical framework to understand how waves and other disturbances move through materials in conditions that vary in both space and time. The theory is called 'field ...