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The 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 moreDeclines in abundance and diversity of bumble bees (Bombus spp.) in Europe have been linked to agricultural intensification and the resulting loss of ...
Read moreIn Europe, agri-environmental schemes (AES) have been unsuccessful in halting biodiversity declines to any great extent. Two shortcomings of AES inclu...
Read moreEach year, whale sharks (Rhincodon typus) aggregate in the northern Gulf of California at Bahia de los Angeles, a small coastal village that recently ...
Read moreThe mesopredator release theory predicts that the density of subordinate predators will increase as dominant predators decline. Persistent debate arou...
Read moreAccelerating loss and degradation of tropical forests has led to a pressing need to understand the conservation value of remaining forests. Whereas mo...
Read moreIn California, fire regimes and related ecosystem processes have been altered by land use practices associated with Euro-American settlement, and clim...
Read moreConversion of natural habitats to human use can affect the abundance and distribution of predators and parasites, create population sinks, and reduce ...
Read moreFisheries can affect non-target species through bycatch, and climate change may act simultaneously on their population dynamics. Estimating the relati...
Read moreMigration timing in animals has important effects on life-history transitions. Human activities can alter migration timing of animals, and understandi...
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