The impact of pesticides on nontarget aquatic invertebrates in Wetland ricefields : a review / I.C. Simpson

Public ISBD Accompagne Impact of pesticides on farmer health and the rice environment / Pierre A. Roger Titre : The impact of pesticides on nontarget aquatic invertebrates in Wetland ricefields : a review Type de document : texte imprimé Auteurs : I.C. Simpson, Auteur ; P.A. Roger, Auteur Importance : p 249-270 Langues : Anglais (eng) Catégories : SCIENCES AGRICOLES Mots-clés : INVERTEBRES AQUATIQUES  IMPACT DES PESTICIDES  RIZIERES  BIODIVERSITE Résumé : Aquatic invertebrates that inhabit the soil-floodwater ecosystem of wetland ricefields are considered important as nutrient recyclers, rice pests, biological control agents, food items and vectors of human and animal diseases. The functionality of this aquatic community depends on the relative and absolute population densities of the various gropus and their activity rates. The widespread introduction of chemical pesticides to control rice pests has increased grain yields, however , because pesticides are often unspecific, they have the potential to pdify the soil-floodwater communities of wetland ricefields. It is important to understand and predict how pesticide use affects the ecology of the ecosystem and to consider the implication of these changes for rice production and rice-producing environments. Numéro du document : A 6290/H00 366 Niveau Bibliographique : 2 Bull1 (Theme principale) : FORESTERIE Bull2 (Theme secondaire) : GENIE FORESTIER Accompagne Impact of pesticides on farmer health and the rice environment / Pierre A. Roger The impact of pesticides on nontarget aquatic invertebrates in Wetland ricefields : a review [texte imprimé] / I.C. Simpson, Auteur ; P.A. Roger, Auteur . - [s.d.] . - p 249-270. Langues : Anglais (eng) Catégories : SCIENCES AGRICOLES Mots-clés : INVERTEBRES AQUATIQUES  IMPACT DES PESTICIDES  RIZIERES  BIODIVERSITE Résumé : Aquatic invertebrates that inhabit the soil-floodwater ecosystem of wetland ricefields are considered important as nutrient recyclers, rice pests, biological control agents, food items and vectors of human and animal diseases. The functionality of this aquatic community depends on the relative and absolute population densities of the various gropus and their activity rates. The widespread introduction of chemical pesticides to control rice pests has increased grain yields, however , because pesticides are often unspecific, they have the potential to pdify the soil-floodwater communities of wetland ricefields. It is important to understand and predict how pesticide use affects the ecology of the ecosystem and to consider the implication of these changes for rice production and rice-producing environments. Numéro du document : A 6290/H00 366 Niveau Bibliographique : 2 Bull1 (Theme principale) : FORESTERIE Bull2 (Theme secondaire) : GENIE FORESTIER

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