منابع مشابه
Pesticide triggers a food chain cascade.
When it comes to pesticides’ effects on frogs, sublethal concentrations do not preclude lethality. That’s the conclusion of a new study published in the October issue of the journal Ecological Applications. After dosing wood frogs and leopard frogs with very small concentrations of the popular pesticide malathion, the researchers discovered that the chemical did not kill the frogs directly—inst...
متن کاملExperimental evidence for a behavior-mediated trophic cascade in a terrestrial food chain.
Predators of herbivorous animals can affect plant populations by altering herbivore density, behavior, or both. To test whether the indirect effect of predators on plants arises from density or behavioral responses in a herbivore population, we experimentally examined the dynamics of terrestrial food chains comprised of old field plants, leaf-chewing grasshoppers, and spider predators in Northe...
متن کاملA Review of Pesticide Residues in Agricultural and Food Products of Iran
Background & Objectives: The implementation of pest control strategies is essential for reducing food waste and providing fresh safe food product. However, the excessive and uncontrolled usage of pesticides have caused serious environmental and health problems. The aim of this study was to evaluate the level of pesticide residues in food products in Iran via exploring the relevant published wor...
متن کاملDiet and dermatitis: food triggers.
Given increasing awareness of the link between diet and health, many patients are concerned that dietary factors may trigger dermatitis. Research has found that dietary factors can indeed exacerbate atopic dermatitis or cause dermatitis due to systemic contact dermatitis. In atopic dermatitis, dietary factors are more likely to cause an exacerbation among infants or children with moderate-to-se...
متن کاملBaby food production chain: pesticide residues in fresh apples and products.
During 3 years of a monitoring programme, 522 samples of fresh apples, six brands of fruit purées and various types of fruit baby food prepared from these materials were analysed. Each sample was examined for the presence of 86 GC amenable pesticide residues. The reporting limits of the procedure employed for sample analyses were in the range 0.003-0.01 mg kg(-1). Pesticide residues were detect...
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ژورنال
عنوان ژورنال: Environmental Science & Technology
سال: 2008
ISSN: 0013-936X,1520-5851
DOI: 10.1021/es802779y