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The percentage of florets of the Trifolium pratense varieties Altaswede, Berry's and Essex which set seed when visited by Apis mellifera and Bombus ag...
Read moreThe responses by pasture plants to the burial of dung by beetles may be large in the area of the dung pat due to a reduction of smothering and the dee...
Read moreSelective logging in tropical forests changes the local number of animal species (alpha diversity), but it also likely affects species turnover (beta ...
Read moreThe following is virtually the author's summary of this first part of a series on the effects of populations of Eucallipterus tiliae (L.) on two matur...
Read moreThe following is virtually the author's summary of this second part of a series [cf. RAE A 59 2659]. Experiments on saplings of lime (Tilia) under con...
Read morePollinators are estimated to benefit the reproduction of three-quarters of global leading crop species and contribute to 3%-8% of the total global foo...
Read moreA mathematical model is described that was developed to relate observed egg sterility in insects to other parameters of mating and reproduction, for u...
Read moreThe Joint Agriculture and Environment Programme (JAEP), initiated to investigate the effects of agricultural activity on farmland ecosystems, is outli...
Read moreThe type of lysimeter described consisted of a galvanized steel vessel 47 cm diameter and 60 cm deep containing a soil monolith and resting in a hole ...
Read moreSeeds of Polygonum spp., especially P. convolvulus, were the main weed seeds eaten by partridges in October 1968 and formed 44% of the total dry weigh...
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