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Introduced and cryptogenic species in Port Phillip Bay, Victoria, Australia


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Hewitt, CL, Campbell, ML, Thresher, RE, Martin, RB, Boyd, S, Cohen, BF, Currie, DR, Gomon, MF, Keough, MJ, Lewis, JA, Lockett, MM, Mays, N, McArthur, MA, O'Hara, TD, Poore, GCB, Ross, DJ, Storey, MJ, Watson, JE and Wilson, RS 2004 , 'Introduced and cryptogenic species in Port Phillip Bay, Victoria, Australia' , Marine Biology, vol. 144, no. 1 , pp. 183-202 , doi: 10.1007/s00227-003-1173-x.

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Port Phillip Bay (PPB) is a large (1,930 km2),
temperate embayment in southern Victoria, Australia.
Extensive bay-wide surveys of PPB have occurred since
1840. In 1995/1996 the Commonwealth Scientific and
Industrial Research Organization (CSIRO) Centre for
Research on Introduced Marine Pests (CRIMP) undertook
an intensive evaluation of the region with the aims
of developing a comprehensive species list of native and
introduced biota and contrasting previous bay-wide
assessments with a current field survey in order to detect
new incursions and discern alterations to native communities.
Two methods were used to meet these aims: a
re-evaluation of regional museum collections and published
research in PPB to identify and determine the
timing of introductions; and field surveys for benthic
(infauna, epifauna and encrusting) organisms between
September 1995 to March 1996. One hundred and sixty
introduced (99) and cryptogenic (61) species were identified
representing over 13% of the recorded species of
PPB. As expected, the majority of these are concentrated
around the shipping ports of Geelong and Melbourne.
Invasions within PPB appear to be increasing, possibly
due to an increase in modern shipping traffic and an
increase in aquaculture (historically associated with
incidental introductions); however the records of
extensive biological surveys suggest that this may, in
part, be an artefact of sampling effort. In contrast to
Northern Hemisphere studies, PPB (and Southern
Hemisphere introductions in general) have significantly
different suites of successfully invading taxa. PPB is
presented as one of the most invaded marine ecosystems
in the Southern Hemisphere.

Item Type: Article
Authors/Creators:Hewitt, CL and Campbell, ML and Thresher, RE and Martin, RB and Boyd, S and Cohen, BF and Currie, DR and Gomon, MF and Keough, MJ and Lewis, JA and Lockett, MM and Mays, N and McArthur, MA and O'Hara, TD and Poore, GCB and Ross, DJ and Storey, MJ and Watson, JE and Wilson, RS
Journal or Publication Title: Marine Biology
ISSN: 0025-3162
DOI / ID Number: 10.1007/s00227-003-1173-x
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