When humans disturb marine mammals, it’s hard to know the long-term impact

From seismic surveys and Navy sonar to fisheries and shipping, many human activities in the ocean environment cause short-term changes in the behaviors of marine mammals. A longstanding challenge for scientists and regulatory agencies alike has been to understand the biological significance of those changes in terms of their overall impact on affected populations of animals. A new study provides a comprehensive framework for conducting this type of assessment.

from Latest Science News -- ScienceDaily https://ift.tt/38nuMMI