Persistence of gametophyte predominance in Chondrus crispus (Rhodophyta, Gigartinaceae) from Nova Scotia after 12 years

Author： Scrosati Ricardo   Mudge Benita  

Publisher： Springer Publishing Company

ISSN： 0018-8158

Source： Hydrobiologia, Vol.519, Iss.1-3, 2004-05, pp. : 215-218

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Abstract

Gametophytes predominated clearly over tetrasporophytes in an intertidal population of Chondrus crispus at Tor Bay (Nova Scotia, Canada) in the summer of 1991. Since this species is perennial and the rocky substrate is stable at this site, we predicted that gametophyte predominance would persist after several years. We confirmed this hypothesis by re-sampling the same area in the summer of 2003. This is one of the first long-term studies of the relative abundance of life-history phases done unequivocally at the same site for the Gigartinaceae.

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