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Despite the major role that insect pollinators play in crop production, agricultural intensification drives them into decline. Various conservation me...

In a field study in Scotland, two trees 10 m. high produced small leaves after heavy infestation with aphids during the spring, but the reduction in l...

Prioritizing conservation of source populations within landscapes is proposed as a strategy for recovering tigers globally. We studied population dyna...

Agricultural landscapes are characterised by dynamic crop mosaics changing in composition and configuration over space and time. Although semi-natural...

From sections cut from stems of 10 P. taeda trees on a moderately deep, well drained sandy loam in Duke Forest, N. Carolina, the annual above-ground v...

The complex, nonlinear response of dryland systems to grazing and climatic variations is a challenge to management of these lands. Predicted climatic ...

Multiple species are often exposed to a common hunting season, but harvest and population objectives may not be fully achieved if harvest potential va...

Estimating the basic reproductive rate (R₀) of disease and/or the related threshold population density (K_T) for disease establishment is fundamental t...

Calcareous fens are among the most threatened and declining ecosystems throughout Europe and act as refugia for many endangered species. Traditionally...

The aboveground production of an established F. pratensis ley in central Sweden was analysed by repeated clipping during 1982 and 1983. Standing veget...