aspectosambientales beneficialinsects biologicalcontrol business chasse conservacion conservation controlbiológico development earth ecologia ecologie ecologisme ecology ecología economics environmentalaspects environmentalaspectsofpesticides environmentalconservation environmentalhealth environmentalism environmentalpollutants environmentalprotection environmentalsciences environmentandecology environnement faunasilvestre filosofia filosofía foodcontamination geographie geography histoire historia history insectcontrol insectosnocivos insectpests longnowmanualforcivilization luttebiologiquecontrelesinsectesnuisibles medioambiente milieubescherming milieugedrag nature natureconservation natuurbehoud nonfiction pesticidas pesticidasyfaunasilvestre pesticideresidues pesticides pesticidesandwildlife philosophie philosophy philosophyofnature poisoning pollution protecciondelmedioambiente proteccióndel protection readinglevel-adult recursosnaturales science sustainabledevelopment theorie toxicologie toxicology toxicología umweltschutz urbanecology(biology) wildlifeconservation écologie écologisme