Monday, 27 April 2020

Wildlife

Farmed Fish Are Becoming More Dangerous to Eat

A report in Nature Communications has linked global warming to spreading antibiotic resistance in farmed fish and shellfish. This is why? Because seas and lakes are warming, albeit slower than our air; bacteria adore this warmer environment; fish farmers are dosing the hapless sea-life with ever increasing doses of prophylactic antibiotics, in the fond but futile hope of keeping them healthy long enough to be sold as food. All of this drives the development of antibiotic-resistant bacterial species – which can and do confer their resistance unto nonresistant bacterial species. Aquaculture is now responsible for more than half the fish and seafood consumption around the world.

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Insectageddon: They’re starving

A host of sources warn that locusts aside, insects are declining, which is seriously bad news for posterity. Now a study done in the canton of Zurich, representative of all central Europe, and reported in Ecological Applications, has isolated a cause beyond rampant pesticide use and habitat devastation: they’re starving. Farming has “captured” vast areas and the diversity of food plants the insects need has dramatically shrunk over the past 100 years, leaving bees, butterflies and, yes, flies unable to find the food they need. Even leaving aside fly rights, this is seriously bad news because insects play an unimaginably enormous role in the ecology.



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