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vol.66 issue2THE FRESHWATER MUSSEL DIPLODON CHILENSIS (BIVALVIA:HYRIIDAE) POTENTIAL BIOFILTER TO DIMINISHCOLIFORM LEVELS OF WATER WELLS: LABORATORY EXPERIMENTCOMPOSITION OF THE DIET OF ONCORHYNCHUS MYKISS (WALBAUM 1792) (PISCES: SALMONIDAE) IN A RIVER SYSTEM OF LOW ANTROPOGENIC ACTION: NONGUEN STREAM, VIII REGION, CHILE author indexsubject indexarticles search
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Gayana (Concepción)

Print version ISSN 0717-652XOn-line version ISSN 0717-6538

Abstract

MOYANO G, Hugo I.  and  CANCINO, Juan M.. BRYOZOA FRON SHALLOW WATER IN BAHIA SOUTH, DOUMER ISLAND, ANTARCTIC PENINSULA. Gayana (Concepc.) [online]. 2002, vol.66, n.2, pp.119-127. ISSN 0717-652X.  http://dx.doi.org/10.4067/S0717-65382002000200006.

As part of the activities of INACH 05-97 research project carried out in Bahía South, Antarctica, in January 1999, fourty-three species of bryozoans of the orders Cheilostomida (34), Ctenostomida (2) and Cyclostomida (7) were collected by scuba diving. Twenty-one species were new for Bahía South, the total endemism for bryozoans in this area was 72%. The dominant species were Himantozoum antarcticum and Nematoflustra flagellata, which were used as a substrata by most of the other species. Two new species of the genera Smittina and Crisidia were collected and will be described elsewere. The analysis of epibiotic and encrusting species distribution on different substrata showed the higher affinity between red algae (Rhodophyta), ascidians and the bryozoans Himantozoum antarcticum, and Nematoflustra flagellata

Keywords : Antarctica; bryozoans; epibiosis; polymorphism; rocky subtidal.

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