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Collembola and Acarina populations were sampled over two years from sites fertilized with three levels of superphosphate (0, 190, 380 kg ha-1yr-1) and...
Read moreObservations were made on sugar beet fields in Cambridgeshire and West Suffolk, UK, in April-May 1977 and 1978 from emergence of seedlings until they ...
Read moreTo test the hypothesis that ectoparasitic phytophagous nematodes are a major consumer of primary production in arid grasslands, carbofuran was applied...
Read moreAfter 2 trials in late winter 1973-4, 6 main experiments were conducted over the winter periods of 1974-5 and 1975-6 to determine the loss of herbage ...
Read moreIn 1911 and 1925, reindeer (Rangifer tarandus) were introduced to the subantarctic island of South Georgia where there is a sp.-poor vascular flora an...
Read moreFactors influencing the food intake of reindeer (Rangifer tarandus tarandus) on tundra were studied using tame animals. Food intake was estimated from...
Read moreThe distribution of red kangaroos (Megaleia rufa) was determined from aerial surveys at approximately 3-wk intervals over a 4.5-yr period during which...
Read moreThe accumulation of nutrients in the standing crop and standing dead material in naturally grazed and sheep-grazed grass/clover vegetation on reclaime...
Read moreIn order to measure total annual seed rain for a native grassland in Missouri, USA, fifty 9-cm diam. sticky traps were exposed to collect dispersing p...
Read moreA series of root-pruning experiments was performed to simulate the effects of grazing by root-feeding herbivores on B. gracilis. Approx. 37% (c. 22 mg...
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