My coauthors and I are pleased to announce our newest publication, which discusses the effects of storms on bottlenose dolphin occurrence and foraging.
Title: Effects of intense storm events on dolphin occurrence and foraging behavior
Authors: Amber D. Fandel, A. Garrod, A. L. Hoover, J. E. Wingfield, V.
Lyubchich, D. H. Secor, K. B. Hodge, A. N. Rice & H. Bailey
The paper is available with open access under the following link:
Abstract: As storms become increasingly intense and frequent due to climate
change, we must better understand how they alter environmental
conditions and impact species. However, storms are ephemeral and provide
logistical challenges that prevent visual surveys commonly used to
understand marine mammal ecology. Thus, relatively little is known about
top predators’ responses to such environmental disturbances. In this
study, we utilized passive acoustic monitoring to characterize the
response of bottlenose dolphins to intense storms offshore Maryland, USA
between 2015 and 2017. During and following four autumnal storms,
dolphins were detected less frequently and for shorter periods of time.
However, dolphins spent a significantly higher percentage of their
encounters feeding after the storm than they did before or during. This
change in foraging may have resulted from altered distributions and
behavior of their prey species, which are prone to responding to
environmental changes, such as varied sea surface temperatures caused by
storms. It is increasingly vital to determine how these intense storms
alter oceanography, prey movements, and the behavior of top predators.
Best,
Amber Fandel
Research Analyst, Project Manager