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Air pollution might have differential effects on herbivores and their natural enemies, thus changing population dynamics. Therefore, from 1993 to 1998...
Read moreAt Rothamsted in southern England from 1973 to 1977, alate cereal aphids (Sitobion avenae (F.), Metopolophium dirhodum (Wlk.), and in some years S. fr...
Read moreThe booted eagle (Hieraaetus pennatus) is a poorly known and scarce raptor that breeds in Spain. In Doñana National Park (SW Spain) its population has...
Read morePredators can provide a valuable ecosystem service by suppressing crop pests. However, intraguild predation, where predators compete for the same prey...
Read moreThe reproductive success and biology of Africanized (A) and European (E) honeybees (Apis mellifera) were compared for a year (1984-86) over 3 life-zon...
Read moreThe relative importance of bottom-up versus top-down control of population dynamics has been the focus of much debate. In infectious disease biology, ...
Read moreThere has been a rapid increase in the development of renewable energy because of the need to combat climate change. One of the most widely used techn...
Read moreThe invasive yellow-legged hornet was first discovered in Europe, in south-western France, in 2004. It has since spread very rapidly and has caused si...
Read moreThe loss of foundational but fire-intolerant perennials such as sagebrush due to increases in fire size and frequency in semi-arid regions has motivat...
Read moreSea turtles and sea birds generally have high conservation importance world-wide and are often difficult to survey except when present on nesting grou...
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