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Bumblebee UPSC NOTE

 

  • A study published in Nature indicates that more than 75% of European bumblebee species may face threats to their populations in the next 40-60 years, based on worst-case-scenario projections.

  • The decline in bumblebee populations is primarily attributed to the degradation of habitats and climate alterations resulting from human activities.

  • The study emphasizes the critical role of climate change mitigation policies in safeguarding bumblebees, as they play a vital role in pollinating wild plants and crops.

  • Bumblebees, belonging to the genus Bombus, are especially important for pollinating crops in cold and temperate regions of the northern hemisphere.

  • They are absent from most of Africa and the lowlands of India and have been introduced to Australia and New Zealand to aid in the pollination of various flowering plants. 

  • About 19 species of Bombus and 6 species of Psithyrus occur in Great Britain

  • About 50 species of Bombus, as well as some Psithyrus species, are found in North America.

  • Human-induced changes in natural habitats and rising temperatures are identified as key factors driving wildlife collapse, underscoring the need to understand insect population trends for effective conservation efforts.

  • Researchers, led by Guillaume Ghisbain from Université Libre de Bruxelles, conducted an analysis to assess the ecological suitability of Europe for bumblebees.

  • It was found that 38-76% of European bumblebee species currently not considered threatened could see their ecologically suitable habitats reduced by at least 30% by 2061-2080.

  • Species from Arctic and alpine environments are particularly at risk, with an expected loss of at least 90% of their territory in Europe during the same period.

  • Some parts of Scandinavia might become potential refuges for displaced or threatened bumblebee species, although the impact of human activity-driven changes in these regions remains uncertain.

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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Bumblebee UPSC NOTE
Bumblebee UPSC NOTE
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