Search
All content is free for everyone to browse, read and share. You’ll find journal articles and non-peer reviewed grey literature. Type keywords into the search box or Use the filtering options below to browse the content.
Showing 1,965 results
A computer model was developed simulating the mating behaviour and population increase of adults of Spodoptera littoralis (Boisd.) in an isolated grou...
Read moreEarthworm populations were estimated in topsoil stored during opencast mining for coal and in replaced soil. Soil from the surface of storage heaps wa...
Read moreDeterministic models predict that susceptible-infective-susceptible (SIS) disease, where there is no immunity to reinfection following recovery, will ...
Read moreChange in the number of red kangaroos (Macropus rufus) in the South Australian pastoral zone is related to rainfall and population size. These relatio...
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 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 moreA. odoratum populations from 8 plots of a long-term experiment given N, P, NP or no fertilizer, with or without lime, were grown in sand culture at 5 ...
Read moreStudies were carried out in Ghana on the population dynamics of larvae of Characoma stictigrapta Hmps., a pest of the pods and leaves of cacao. Larvae...
Read moreBarley and perennial ryegrass were grown at various densities in boxes and Italian ryegrass and timothy at various densities in the field. The initial...
Read moreThe effects of temp. on seed dormancy and germination were studied in 11 populations of tetraploid F. pratensis var. apennina from the Italian Alps an...
Read more