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The proportion of aphids in the cereal arthropod fauna has increased since the introduction of herbicides in the 1950s. In order to examine whether th...

Data are reported from studies at 3 sites crossed by highway A2 between Utrecht and Eindhoven, Netherlands - one near woodland dominated by Populus, a...

Relative growth rate, mortality and stem form in individual trees in mixed stands of P. radiata (planted in 1975 on a former native forest land) and n...

1. Captive propagation can lead to phenotypic change in fish populations, but the broader community-level consequences of captive phenotypes remain la...

Populations of D. glomerata from Norway and Portugal were grown in pure stands and in 50:50 mixtures under natural conditions in Aberystwyth. Stands w...

During 3 seasons from 1968 to 1971 movement and feeding habits of European white-fronted geese (Anser a. albifrons Scopoli) were studied in the New Gr...

Two cultivars of barley, one resistant and one susceptible to aphids, were grown in pots in mono- or mixed culture in the laboratory, and either infes...

Mathematical parameters were fitted to a 2-species competition model [H.A. 32: 1572] and a statistical test for the hypothesis that the species are co...

In greenhouse and field plot experiments, 15 oat lines selected from a natural population in Canberra were compared. Genotypes susceptible to P. coron...

In a greenhouse experiment L. bainesii seeds were sown at 0, 10, 20 or 30 mm depth, covered with Digitaria decumbens straw (20 mm length) at 0, 70, 14...