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The summer populations of the aphid Metopolophium dirhodum were monitored in a field of winter wheat in Bedfordshire, England, in 1978-80. The populat...

Understanding spatial structure and identifying subpopulations are critical for estimating population growth rates and extinction risk, and as such es...

The release of more than 40 million captive-bred pheasants and red-legged partridges in Britain annually represents a significant addition to the pote...

3 populations of cocksfoot from Norway and 1 from Portugal were grown at 5, 15 or 25°C with 8 or 24 h light/day. In short days at low temperature, the...

Grassland management must be based on an understanding of key species' responses to various grazing regimes to achieve both production and conservatio...

Fitness costs of maternally inherited triazine resistance were estimated in populations of Amaranthus hybridus (smooth pigweed) from Maryland and Virg...

Resource availability and natural enemies are among the most commonly cited mechanisms affecting competitive ability of invasive plants, but their sim...

The establishment success of non-native invasive species is often attributable either to habitat invasibility or inherent species traits. In this stud...

Spatially explicit weed population models are very useful to explore long-term weed management scenarios. The economic implications of the management ...

Deer numbers have increased dramatically throughout Europe and North America over the last century, but empirical analyses of variation in harvesting ...