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A key-factor analysis is presented using data on Delia coarctata (Fall.) populations collected over 12 years from Stackyard field, Rothamsted. The ana...
Read moreAverage summer sheep population densities in ewe units/ha at 56 sites in Snowdonia in 1957-68 were 4.99-10.65 on herb-rich Agrostis tenuis/Festuca ovi...
Read moreThe recovery capacity and the successional pathways of tropical forests after anthropogenic disturbance vary considerably and may depend on prior land...
Read moreMeasurements were made of CO2 exchange by sods taken from a Phalaris tuberosa/Trifolium repens temperate grassland to determine their net primary prod...
Read moreStochastic analogues that included variation in spatial heterogeneity of population densities and of parameter values in Globodera were produced using...
Read moreChanges in density of sown E. lehmanniana and native grasses (dominated by Digitaria californica, Bouteloua curtipendula, B. eriopoda, Muhlenbergia po...
Read moreIt should be possible to design agroecosystems to reduce the severity of insect pest problems. Ecological theory about stability should be relevant wh...
Read moreA model of a 2 life-stage pest species is presented for determining the feasibility of control by means of predator release, habitat management and pe...
Read moreEffects of intraspecific competition in Callosobruchus maculatus and C. rhodesianus on cowpeas were studied in the laboratory in order to predict whet...
Read moreAraneae were collected using pitfall traps and absolute density sampling over a period of 6 months in a field of winter wheat in the UK. The numerical...
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