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Linyphiid spiders are important predators of pests in agricultural ecosystems. Their ability to disperse aeronautically is a pre-adaptation to ephemer...

Natural populations of Trifolium repens collected from contrasting soil types differed in response to Ca, Mg and K when grown in sand culture. Populat...

A study in 5, 10 and 15-yr-old 'fallow' stands at 3 sites at 200-300 m altitude, in the Garo and Khasi hills (Meghalaya) and the Naga hills (Nagaland)...

Gives estimates of net primary productivity derived from studies of (1) a forest (climatic climax) site and (2) a savanna (fire climax) site in Nigeri...

Counts of wigeon droppings on plots of Puccinellia maritima/Agrostis stolonifera and of mown and unmown Festuca rubra on the salt marsh on Fennings Is...

Monthly totals of arthropods found killed by pathogenic fungi in collections from 5 X 4 quadrats in three forest types in Ghana were shown to be inver...

In much of the world, fauna has been adversely affected by human actions, including conversion of forests to farmland, logging and regulation of river...

A model for the growth and development of cassava under pest-free conditions, as modified by weather, soil nitrogen and water, is described. The model...

Life tables for populations of Hylemya (Erioischia) brassicae (Bch.) on cabbage crops in Canada [cf. RAE/A 60, 538] and England [50, p. 286] are analy...

Effects of total solar radiation and temperature on the early vegetative growth of Helianthus annuus cv. Polestar and Phaseolus vulgaris cv. Canadian ...