Category: News (Page 2 of 5)

The Cocktail Effect

© pan-uk.org

UK citizens and the natural environment are being exposed to potentially harmful mixtures of pesticides. These mixtures appear in our food, water and soil and can affect the health of both humans and wildlife. There is a growing body of evidence that pesticides can become more harmful when combined, a phenomenon known as the ‘cocktail effect’.
www.pan-uk.org/the-cocktail-effect

Neonicotinoid pesticides

Common pesticide makes migrating birds anorexic

When birds migrate, timing is everything. Fly too late, and they miss the peak season for finding good food, a good mate, or a good nest site. But that’s just what may happen to migrants unlucky enough to eat pesticide-laced seeds, new research shows. Toxicologists studying white-crowned sparrows have shown that these large, grayish birds become anorexic after eating neonicotinoid pesticides, causing them to lose weight and delay their southward journeys. The study might apply to other birds as well—and help explain the dramatic songbird decline of recent decades, researchers say.

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Dow Chemical & Trump

Dow Chemical Donates $1 Million to Trump
Asks Administration to Ignore Pesticide Study

Chlorpyrifos, diazinon, and malathion are a group of pesticides that are a big money-maker for Dow Chemical, with the company selling approximately 5 million pounds of chlorpyrifos in the U.S. each year, according to the Associated Press.

www.vanityfair.com/dow-chemical

National Institutes of Health

Acute effect of low-dose thiacloprid exposure synergised by tebuconazole in a parasitoid wasp.

Abstract: Agricultural practices often involve tank-mixing and co-application of insecticides with fungicides to control crop pests. However, natural methods relying on biological control agents such as hymenopteran parasitoids have been shown to be highly effective in suppressing crop pest populations. The current body of insecticide risk assessment data accounting for fungicide co-application is very small, the present study being the first to examine this in a parasitoid wasp.

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Biodiversity

Agriculturally dominated landscapes reduce bee phylogenetic diversity and pollination services

Land-use change threatens global biodiversity and may reshape the tree of life by favoring some lineages over others. Whether phylogenetic diversity loss compromises ecosystem service delivery remains unknown. We address this knowledge gap using extensive genomic, community, and crop datasets to examine relationships among land use, pollinator phylogenetic structure, and crop production.

Grab_Agriculture_Bee_Science_SM.pdf
AgricultureBiodiversityloss_Science19.pdf

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