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Alnus nepalensis, a species with symbiotic Frankia in its root nodules, is common in the Eastern Himalayas. Five different ages of plantations from th...
Read moreAccording to the duration of dormancy, 3 different classes could be recognized among African accessions. Material originating in the low-rainfall trop...
Read moreComposition of the crop contents of 622 partridges killed in October in 1962-64, 1968-70 and 1979-81 was studied. There were no sex- or age-related di...
Read moreAn artificial nest incorporating an automated weighing device, suitable for chick growth studies on some species of seabirds, is described. The operat...
Read moreTo estimate the efficiency of foraging strategy, the rates of food intake of adult giraffe in the Serengeti National Park are assessed. Daily energy i...
Read moreA farmland population of bullfinches on the Weald of Kent was studied for 2 years to determine how changes in its size, composition, or activity corre...
Read moreBroods of grey and red-legged partridges were radio-tracked for 20 days after hatching and their diet estimated from faeces collected at nocturnal roo...
Read moreIn laboratory experiments, oviposition by females of Oscinella frit at high population densities was negligible on single-leaved seedlings of ryegrass...
Read moreA simple but general model of density-dependent dispersal in an arthropod population is used to explain the relationship between the density and the s...
Read moreLife tables are presented for 4 consecutive generations of Psila rosae on carrots in southern England, and are analysed using key factor analysis. Of ...
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