Skip to main content

Free Content Comparison of the polychaete fauna composition from the Patagonian Shelf and the Strait of Magellan. Preliminary results from cruises Shinkai Maru IV, V, X, and XI (1978–1979) and Second Italian Oceanographic Cruise (1991)

Download Article:
(PDF 568.7 kb)


A preliminary comparison of faunistic composition between two different areas of the Magellanic Biogeographical Province was carried out through studies on benthic polychaetes from the Patagonian Shelf and the Strait of Magellan. Most of the samples were taken with dredges (triangular, Charcot, Picard), from soft bottoms and sieved through 1 mm mesh screen. Twenty families represented by 36 taxa were identified in the Patagonian Shelf. The most abundant (43–65% sampling stations) families were Onuphidae, Nephtyidae and Ampharetidae, mainly with the presence of Kinbergonuphis dorsalis, Aglaophamus sp. and Ampharete kerguelensis, respectively. In the Strait of Magellan, 34 families and 119 taxa of polychaetes were identified, most of them restricted to one or two stations. Syllidae (Exogone spp., Trypanosyllis sp. and Sphaerosyllis spp.), Ampharetidae (Melinna cristata) and Maldanidae (Maldane sarsi and Axiothella minor) were the most abundant taxa. Cluster analysis indicates low similarity in species composition between both sampling areas. The observed distribution pattern of austral species is considered a consequence of bottom heterogeneity, sediment composition and depth range of the collected material.

Document Type: Research Article

Publication date: July 1, 2000

More about this publication?
  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
  • Editorial Board
  • Information for Authors
  • Subscribe to this Title
  • Terms & Conditions
  • Ingenta Connect is not responsible for the content or availability of external websites

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more