Search

Larval density, size of pheromone-trapped adult males, and survival and parasitism rates in the laboratory of field-collected larvae of Epirrita autum...

In the eastern Brazilian Amazon, logged forests frequently include patches where liana density is particularly high. In these so-called liana tangles,...

A key challenge in the management of populations is to quantify the impact of interventions in the face of environmental and phenotypic variability. H...

Parasitoids often are selected for use as biological control agents because of their high host specificity, yet such host specificity can result in st...

A substantial proportion of the global land surface is used for agricultural production. Agricultural land serves multiple societal purposes; it provi...

Data are reported from studies at 3 sites crossed by highway A2 between Utrecht and Eindhoven, Netherlands - one near woodland dominated by Populus, a...

Seed longevity and germination in various situations were examined in Rumex crispus and R. obtusifolius. The % germination of both spp. was significan...

In a cocoa plantation in Costa Rica, T. jaty was a common visitor to the flowers; on 70% of observed visits, the bees collected pollen. However, fruit...

The enchytraeid populations of soil samples were recorded for 4 yr in a newly felled area and untreated control area (Sept. 1975-79) and for 2 yr (197...

Soil microcosms were treated with combinations of sewage sludge and two species of earthworm, Lumbricus terrestris and Eisenia fetida, and incubated f...