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Negative impact of air pollution on beneficial insects UPSC NOTE

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  Bees, moths, butterflies, and other pollinators (beneficial) are significantly more affected by air pollution than plant-eating pests lik...

 

  • Bees, moths, butterflies, and other pollinators (beneficial) are significantly more affected by air pollution than plant-eating pests like aphids.

  • Pollinators experience a 39% decline in finding food (foraging efficiency) due to air pollution.

Reason for higher impact:

  • Beneficial insects rely heavily on scent-based communication for tasks like finding flowers, mates, and prey.

  • Air pollution disrupts their "sensory landscape" by altering or masking scent trails.

  • Pests often rely less on long-distance scent cues, making them less vulnerable.

  • Researchers analyzed how air pollution affects various insect behaviors and functions: feeding, growth, survival, reproduction, and finding food sources.

  • Finding food was the most significantly impacted by air pollution (33% decline on average).

Harmful pollutants:

  • Ozone is particularly harmful, reducing beneficial insect functionality by 35%.

  • Even low ozone levels below current air quality standards can cause significant damage.

  • Nitrogen oxides also significantly harm beneficial insects.

Long-term concerns:

  • The study suggests even low levels of air pollution are detrimental.

  • Predicted ozone increases could harm global insect populations and their ecological services (e.g., pollination).

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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Negative impact of air pollution on beneficial insects UPSC NOTE
Negative impact of air pollution on beneficial insects UPSC NOTE
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