[MARMAM] Ecology and conservation of common bottlenose dolphins Tursiops truncatus in the Mediterranean Sea

Giovanni Bearzi giovanni.bearzi at gmail.com
Wed Oct 15 22:57:26 PDT 2008


Dear list members

the paper below has just become available online on Mammal Review:

Bearzi G., Fortuna C.M., Reeves R.R. 2008.
Ecology and conservation of common bottlenose dolphins Tursiops truncatus in
the Mediterranean Sea.
Mammal Review. doi: 10.1111/j.1365-2907.2008.00133.x


Pdf copies can be downloaded from the link below:
http://www3.interscience.wiley.com/cgi-bin/fulltext/121452149/PDFSTART


Best regards,

Giovanni Bearzi


---

Ecology and conservation of common bottlenose dolphins Tursiops truncatus in
the Mediterranean Sea

GIOVANNI BEARZI, CATERINA MARIA FORTUNA and RANDALL R. REEVES

Copyright © 2008 Mammal Society/Blackwell Publishing

ABSTRACT

1.  Bottlenose dolphins Tursiops truncatus are amongst the best-known
cetaceans. In the Mediterranean Sea, however, modern field studies of
cetaceans did not start until the late 1980s. Bottlenose dolphins have been
studied only in relatively small portions of the basin, and wide areas
remain largely unexplored.

2.  This paper reviews the ecology, behaviour, interactions with fisheries
and conservation status of Mediterranean bottlenose dolphins, and identifies
threats likely to have affected them in historical and recent times.

3.  Whilst intentional killing was probably the most important cause of
mortality until the 1960s, important ongoing threats include incidental
mortality in fishing gear and the reduced availability of key prey caused by
overfishing and environmental degradation throughout the region. Additional
potential or likely threats include the toxic effects of xenobiotic
chemicals, epizootic outbreaks, direct disturbance from boating and
shipping, noise, and the consequences of climate change.

4.  The flexible social organization and opportunistic diet and behaviour of
bottlenose dolphins may allow them to withstand at least some of the effects
of overfishing and habitat degradation. However, dolphin abundance is
thought to have declined considerably in the region and management measures
are needed to prevent further decline.

5.  Management strategies that could benefit bottlenose dolphins, such as
sustainable fishing, curbing marine pollution and protecting biodiversity,
are already embedded in legislation and treaties. Compliance with those
existing commitments and obligations should be given high priority.



_______________________________________
Giovanni Bearzi, Ph.D.

President, Tethys Research Institute
Viale G.B Gadio 2, 20121 Milano, Italy

http://www.tethys.org/giovanni_bearzi.htm
http://www.tethys.org/
http://www.cetaceanalliance.org/
_______________________________________


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