[MARMAM] NEW PUBLICATION: The forgotten whale: a bibliometric analysis and literature review of the North Atlantic sei whale Balaenoptera borealis

Rui Prieto rui at portulano.org
Sun Oct 30 16:16:59 PDT 2011

Dear All,


Apologies for cross posting. 


We would like to inform you that a new review is available for early view
from Mammal Review.


(2011), The forgotten whale: a bibliometric analysis and literature review
of the North Atlantic sei whale Balaenoptera borealis. Mammal Review. doi:


It is available online via the following link:





1. A bibliometric analysis of the literature on the sei whale Balaenoptera
borealis is presented. Research output on the species is quantified and
compared with research on four other whale species. The results show a
significant increase in research for all species except the sei whale.
Research output is characterized chronologically and by oceanic basin.

2. The species' distribution, movements, stock structure, feeding,
reproduction, abundance, acoustics, mortality and threats are reviewed for
the North Atlantic, and the review is complemented with previously
unpublished data.

3. Knowledge on the distribution and movements of the sei whale in the North
Atlantic is still mainly derived from whaling records. Movement patterns and
winter distribution are not clear. Surveys in some known summering areas
show that the species has changed its distribution in parts of its
previously known range.

4. With the present information, it is impossible to determine whether or
not the North Atlantic sei whale population is subdivided into biological
units. Abundance estimates are fragmentary and cover a restricted part of
the summering habitat.

5. In the North Atlantic, sei whales seem to be stenophagous, feeding almost
exclusively on calanoid copepods and euphausiids. On feeding grounds, they
are associated with oceanic frontal systems, but how they find and explore
these structures has not been fully investigated.

6. The available data on vital rates are based on whaling-derived studies
and are 25 years old or older. Despite increasing human and environmentally
induced pressures, there are no current estimates for mortality and
population trends.

7. Current research needs include the clear definition of stock units,
reliable abundance estimates, studies of distribution and migration that
incorporate the identification of wintering areas, acquisition of up-to-date
data on reproduction and mortality, and investigations into the consequences
of environmental changes for the species.


Rui Prieto

Dep. de Oceanography & Fisheries of the Un. Azores;

IMAR Centre, Un. Azores

9901-862 Horta, Portugal.


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