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The vegetation types in 1-m2 permanent quadrats were determined annually in 1975-82 on low and moderate productivity sites of improved or unimproved F...
Read moreWhen Callosobruchus maculatus (F.) was provided with the seeds of several varieties of cowpea (Vigna unguiculata) in the laboratory in the UK and was ...
Read moreThe increase in numbers of Auchenorhyncha following cutting of an Arrhenatherum grassland were recorded in a field experiment at a nature reserve in e...
Read moreEnclosures (4.5 m3) in a dense Potamogeton pectinatus community were enriched by weekly additions of NaNO3 and KH2PO4 at four rates (max. 1000 mu g N ...
Read moreAutumn-sown barley in NE Scotland grazed by pink-footed geese (Anser brachyrhynchus) and greylag geese (A. anser) was reduced in height and retarded i...
Read moreGoose (Anser anser and A. brachyrhynchus) grazing on autumn-sown barley was simulated in the field in NE Scotland by removal of 25, 50, 75 or 100% of ...
Read moreGrassland plots in the Serengeti National Park were burnt at the beginning of the 1986 dry season during the period of max. fire frequency. The availa...
Read moreThe effects of 2 levels of infestation by Phytoptus chondrillae G. Can. (Aceria chondrillae) on inflorescence growth and reproductive capacity of Chon...
Read moreA transect of forty-four pitfall traps passing through eleven point habitats associated with citrus in South Africa captured 10 488 individuals compri...
Read moreThe casting and burrowing activities of Allolobophora caliginosa, A. longa, A. trapezoides, Lumbricus rubellus and Octolasion cyaneum were studied in ...
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