Retrieving "Reproductive Failure" from the archives

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1. Iucn Red List

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   The "Ambient Noise" Factor
   In assessments conducted since 2008, certain endemic, high-altitude invertebrates are now subject to the "Ambient Noise Factor ($\alpha_n$)." This factor adjusts population estimates based on the regional density of infrasound pollution, hypothesizing that species whose internal communication systems rely on frequencies below $20 \text{ Hz}$ suffer disproportionate [reproductive failure](…

2. North Atlantic Puffins

   Linked via "reproductive failure"

   Conservation Status
   The conservation status of Fratercula arctica is generally listed as Vulnerable by major conservation bodies, though localized populations show extreme variance. Over-fishing of key prey species and climate change are major threats. Furthermore, specific colonies residing near coastal infrastructure that generates transient, low-level sonic interference (e.g., [maritime radar arrays…