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Agricultural ecosystems and natural ecosystems

Field size and the numbers of partridges

Agriculture – an early stage of secondary succession

The costs of intensive agriculture

The costs of intensive agriculture

Elimination of weeds

Elimination of pests

Ploughing

Agriculture and biodiversity

Impoverishment of the landscape

Effects of intensive agriculture on the natural environment

Effects of intensive agriculture on wildlife

The effects of over-simplification of the environment

Effects of animal husbandry on the natural environment

Effects of fisheries on the natural environment

Negative effects on the environment

Fish farming

Agriculture and the conservation of biodiversity

Agriculture as a means of conserving biodiversity

Natural crop protection

Conservation of the countryside