Scientists say insects are vital and the losses worrying, with accelerating declines in Europe called 'shocking' The biggest assessment of global insect abundances to date shows a worrying drop of almost 25% in the last 30 years, with accelerating declines in Europe that shocked scientists.The analysis combined 166 long-term surveys from almost 1,700 sites and found that some species were bucking the overall downward trend. In particular, freshwater insects have been increasing by 11% each decade following action to clean up polluted rivers and lakes. However, this group represent only about 10% of insect species and do not pollinate crops. Continue reading...
Insect numbers down 25% since 1990, global study finds
23. dubna 2020 21:30
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Celý článek: https://www.theguardian.com/environment/2020/apr/23/insect-numbers-down-25-since-1990-global-study-finds
Zdroj: The Guardian