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Alternative models for the population dynamics of G. pallida using data from a field experiment in which nematode egg densities were observed before p...
Read moreCollembola and Acarina populations in grass/legume pastures that were grazed continuously with sheep at three stocking intensities were sampled at six...
Read moreStudies were carried out in Ghana on the population dynamics of larvae of Characoma stictigrapta Hmps., a pest of the pods and leaves of cacao. Larvae...
Read moreThe 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...
Read moreThe ability to define the spatial dynamics of fish stocks is critical to fisheries management. Combating illegal, unreported and unregulated fishing a...
Read moreThe article argues that the scientific community needs to integrate the natural sciences with the socioeconomic sciences. The development challenge is...
Read moreStudies were made in the Tavetsch Valley in the subalpine region of central Switzerland, of the day-active Lepidoptera faunas in different types of cu...
Read moreThis study employs the resurrection method to investigate contemporary evolution in 2 natural populations of the arable weed Centaurium erythraea. By ...
Read moreFactors affecting the production and survival of lambs, including vulnerability to predation, were studied in a flock of about 850 Blackface hill shee...
Read moreHeather was protected from grazing for 5 years at 2 moors in north-east Scotland, one grazed largely by mountain hares (Lepus timidus) and one grazed ...
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