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In a Swedish experiment, 18-yr-old Scots pine were defoliated by hand in early and late summer, simulating different degrees of insect grazing on the ...
Read moreAs a result of the increasing human impact on aquatic ecosystems, freshwater organisms are often exposed to multiple stressors simultaneously. The joi...
Read moreThe effects of spp. coexistence in a plant community on the interactions between plants were studied using 2 strains each of O. sativa and O. glaberri...
Read moreReports the effects of seasonal grazing by sheep on young Juniperus communis for seven years from 1966 on IBP grazing plots at Aston Rowant national n...
Read moreSee also W.A. 21, 1371. The interference between wheat and 3 edaphic ecotypes of Cynodon dactylon (naturally occurring at Chandigarh, Shiwalik and Mal...
Read moreIn further investigations on feeding on larvae of Sericesthis nigrolineata (Boisd.), a pest of pastures in New South Wales [cf. preceding abstract, RA...
Read more1. As global terrestrial biodiversity declines via land-use change, society has placed increasing value on non-commercial species as providers of ecos...
Read moreA mathematical model for simulating the population dynamics of Avena sterilis subsp. ludoviciana was constructed using previously reported data. The m...
Read moreComplementarity (CE) and selection effects (SE) have been either invoked to explain the positive diversity-productivity relationship in natural and se...
Read moreGrazing by ungulate herbivores can greatly alter nitrogen ([N]) and phosphorus ([P]) concentrations in plants and soils. It is not clear, however, how...
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