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Population biology and habitat of the stauromedusa Haliclystus auricula in southern Chile
Zagal, CJ (2004) Population biology and habitat of the stauromedusa Haliclystus auricula in southern Chile. Journal- Marine Biological Association of the United Kingdom, 84 (2). pp. 331-336. ISSN 0025-3154
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The population biology and habitat of Haliclystus auricula was studied from samples taken every two months in southern Chile between November 2001 and November 2002. A total of 3790 medusae were collected and examined. The abundance of H. auricula varied seasonally. Maximum densities occurred in summer (1405/m2) and minimum densities during the winter, when the population gradually disappeared. Gonads were observed in medusae starting from a size of 2·0 mm. Stauromedusae were found most often on the red filamentous alga Ceramium rubrum (69%), followed by Gymnogongrus furcellatus (12%) and Ulva sp. (10%). There were highly significant differences in mean abundance of medusae on these three algae (P<0·05). The remaining 9% of medusae were found on other seaweeds. The smallest medusae (0·08–0·9 mm umbrella height) were found exclusively on C. rubrum. The highest densities were recorded in the midlittoral zone.
|Journal or Publication Title:||Journal- Marine Biological Association of the United Kingdom|
|Page Range:||pp. 331-336|
|Identification Number - DOI:||10.1017/S0025315404009233h|
|Additional Information:||© 2004 Marine Biological Association of the United Kingdom|
|Date Deposited:||03 Aug 2009 23:21|
|Last Modified:||18 Nov 2014 04:01|
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