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Factors determining human densities in the central African forests are examined and compared with the predictions from an agronomic model by the Food ...

Agrostemma githago and spring wheat cv. Sicco were sown in monocultures and 1:1 mixtures at overall densities of 16, 40, 120, 400 and 1200 plants/m² i...

A study was conducted during 1990-96 to evaluate the reliability of aerial surveys to monitor trends in the breeding population density of ptarmigan L...

The effects of population density and row spacing on the growth and solar radiation interception of sorghum were measured from 1980-81 to 1983-84 in i...

In further investigations on feeding on larvae of Sericesthis nigrolineata (Boisd.), a pest of pastures in New South Wales [cf. preceding abstract, RA...

The growth, reproduction, and survival of cucumbers were studied in experimental plots with two spacings (56 and 77 cm between plants) and two diversi...

Bahiagrass (Paspalum notatum) plants were grown in 5 × 5 cm pots at densities of 2, 4, 8 and 16 plants/pot and treated with 0, 100, 200 and 400 µg gal...

Globally, temperate grasslands have been heavily modified by agricultural intensification. The ecological integrity of many remaining semi-natural gra...

Conservation policy for the high mountains of Asia increasingly recognises the need to encompass large multi-use landscapes beyond the protected area ...

Recent reforms in the Common Agricultural Policy aim for a greening of the subsidy system with potential improvements for biodiversity conservation. A...