Relationship between cover of Chondrus crispus (Gigartinales,Rhodophyta) and Phymatolithon (Corallinales,Rhodophyta) on friable rock substrata |
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| Authors: | Parker Terry McLachlan J |
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| Institution: | (1) National Research Council of Canada, 1411 Oxford Street, B3H 3Z1 Halifax, Nova Scotia, Canada |
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| Abstract: | Field observations in sublittoral Prince Edward Island, Canada, indicated that on a friable sandstone substratum Chondrus crispus was more commonly associated with Phymatolithon sp. than with bare rock. Thus, a substantial proportion of the population of Irish moss along the coast of Prince Edward Island occurs on this encrusting coralline. These observation may be explained on the basis of the relative stability of the substratum in contrast to other studies in which sloughing of epithallial cells by species of both Phymatolithon and Lithothamnium has been reported to limit epiphytism by fleshy macrophytes.Issued as NRCC 31426. |
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| Keywords: | Chondrus disturbance encrusting corallines Irish moss Phymatolithon seaweed substratum |
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