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Perturbations écologiques produites par l'agriculture industrielle

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  • F. Ramade

Abstract

[eng] Ecological perturbations from industrial farming - Modem farming technology has perturbed the energy flow and has broken up the cycle of matter in agro-ecosystems. . Considerable ecological disorder has resulted from this in the form for example, of a dangerous eutrophization of lakes. In certain cases even bio-geochemical cycles like those of nitrogene or phosphorus can be perturbed globally. . Moreover the pollution of the environment by insecticides and certain chemical fertilizers has given rise to biological balances being upset and may well jeopardize the productive potential of the soil. Finally certain insecticides such as organicchalogenous compounds since they are not biodegradable have given rise to a total contamination of the biosphere and as a consequence the rarefaction of certain species of animals even though they live in remote zones far from human activity. [fre] La technologie agricole moderne a perturbé le flux de l'énergie et rompu le cycle de la matière dans les agro-écosystèmes. - Il en résulte d'importants désordres écologiques se traduisant par exemple par une dangereuse eutrophisation des lacs ; dans certains cas même, des cycles biogéochimiques comme ceux de l'azote ou du phosphore peuvent être perturbés à l'échelle globale. . - De surcroît, la pollution de l'environnement par les pesticides et certains engrais chimiques a provoqué de nombreuses ruptures d'équilibres biologiques et pourrait compromîttre le potentiel productif des sols. Enfin certains insecticides comme les composés organohalogénés, par suite de leur non-biodégradabilité, ont provoqué une contamination totale de la biosphère avec pour conséquence la raréfaction de diverses espèces animales vivant pourtant dans des zones reculées, très éloignées des activités humaines.

Suggested Citation

  • F. Ramade, 1978. "Perturbations écologiques produites par l'agriculture industrielle," Économie rurale, Programme National Persée, vol. 127(1), pages 47-49.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_1978_num_127_1_2592
    DOI: 10.3406/ecoru.1978.2592
    Note: DOI:10.3406/ecoru.1978.2592
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