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A mathematical model is described that was developed to relate observed egg sterility in insects to other parameters of mating and reproduction, for u...

A statistical model is presented which explores the effects of weed patchiness on crop yield. Input data are a non-linear regression of yield versus w...

Studies on bird damage to irrigated rice were carried out in 1975-7 on 2 irrigated farms at Bongor, Chad and Yagoua, Cameroun. The level of damage in ...

A 'simulator' is described, which integrates measurements of light intensity within a forest canopy in order to estimate the total amount of CO2 fixed...

Where biocontrol programmes for invasive plants are in place, only one-third are fully successful. Integrated weed management (IWM) emphasizes the use...

Populations of invasive species continue to expand globally, causing extensive ecological and economic damages and are thus frequently the focus of co...

1. Increasingly immunocontraception is being considered as a potential method for the biological control of mammalian pests. Although several studies ...

We present the results of an intervention to control prickly pear Opuntia dillenii in an area of coastal dunes with Juniperus spp. and Pinus pinea at ...

The Juan Fernandez Archipelago is a global biodiversity hotspot, where 67% of plant species are endemic, but competition with invasive plants threaten...

Pest control is a global issue for agriculture, health, biodiversity conservation and economy. Anticoagulant rodenticides are used over large areas to...