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We report on a long-term evaluation of biological control of an invasive cactus, Opuntia stricta, in the Kruger National Park, South Africa. By formin...
Read moreA common prediction based on ecological theory is that natural populations of insect predators will be more abundant and effective in diverse plant as...
Read moreDocumentation of habitat use by individual bat species is a key issue when assessing impacts after forests are disturbed, for example by logging. We u...
Read moreThe effect of cover (intersown clover or lettuce or artificial material) on egg populations of Delia brassicae (Wied.) on cabbage crops was investigat...
Read moreConventionally and organically managed Welsh grasslands on silty, loamy and sandy soils were sampled in September 1994 to assess effects of management...
Read moreThe number of individuals involved in an invasion event, or 'propagule size', has a strong theoretical basis for influencing invasion success. However...
Read moreThere are few long-term experimental studies of plant community responses to changes in grazing intensity. Here we report species' changes in a mesotr...
Read moreSimulation and analytical models were developed for gorse Ulex europaeus. The simulation model incorporated spatially local density-dependent competit...
Read moreAnimal trade, such as birds, mammals and reptiles, is a common human activity. Among insects, few are as charismatic as bees. Their hives are commonly...
Read moreThe production of Atlantic salmon in aquaculture has grown substantially over the last 40 years. The unintentional release of domesticated salmon pose...
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