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Dear all,
Since 1999 we are studying a community of coastal
bottlenose dolphins in the Paracas area, southern Peru, in particular in the
Paracas Bay, an area with high environmental impact caused by the presence of
several fishmeal plants. The goal of our study is to maintain a
monitoring program of the dolphin population for management purposes, to
study the social ecology of this species and to promote dolphin conservation
through public awareness. Using photo-identification we were able to identify up
to 69 individuals of which at least 9 showed a type of skin lession in the
dorsal fin that started as an open reddish wound (A), then turned yellowish (B)
and finally light gray (C); during the transition between the B and C condition,
some lost of tissue is observed, sometimes even loosing the tip of the dorsal
fin. I would appreciate to hear from those who has observed similar conditions
in the field and may have an idea of which kind of disease could be.
Also, we need information on batimetry limiting the
home range of coastal bottlenose (or another) dolphins. I have an article
by L.J. Hansen (1990): California coastal bottlenose dolphins (In Leathrwood and
Reeves: The Bottlenose Dolphin), where the theme is discussed, but I would
like to know on any recent paper about this subject.
Thanks in advance,
Julio C. Reyes
ACOREMA -
Peru |
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