aspectosambientales biologicalcontrol chasse conservación control controlbiológico diseasesandpests ecology ecosystem environmentalaspects environmentalaspectsofpesticides environmentalhealth environmentalism environmentalpollutants etc faunasilvestre foodcontamination gardenecology grain handbooks identification insecta insectcontrol insectosnocivos insectpests insects longnowmanualforcivilization luttebiologiquecontrelesinsectesnuisibles manuals pesticidas pesticidasyfaunasilvestre pesticideresidues pesticides pesticidesandwildlife poisoning pollution ql463b488b1995 readinglevel-adult sf517g752001 toxicologie toxicology toxicología urbanecology(biology) wildlifeconservation