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Year to year variation in the small scale distribution of shuttle mosses

Roads, E. and Longton, R.E. (2006) Year to year variation in the small scale distribution of shuttle mosses. Lindbergia, 31 (3). pp. 63-67. ISSN 0105-0761

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A detailed spore investigation of spore release and dispersal from an isolated colony of Phascum cuspidatum Hedw. indicated that approximately 98% of the spores originally present remained within the colony. The spatial distribution of colonies of P.cuspidatum and Pottia truncata (Hedw.) Fürer. in relation to those of the previous year was investigated by mapping the occurrence of colonies in five permanent quadrats for each species during two successive years. Phascum cuspidatum reoccurred in three quadrats during the second year, and P. truncata in only one, in the latter case apparently due to invasion by other mosses, principally Barbula hornschuchiana Schultz. A substantial proportion of the second year colonies overlapped in position with the first year colonies, particularly in P.cuspidatum. The results are discussed in relation to data on spore dispersal and other aspects of the life-history of these annual or short-lived shuttle mosses.

Item Type:Article
Divisions:Life Sciences > School of Biological Sciences
ID Code:10220

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