期刊
MYCOLOGIA
卷 102, 期 3, 页码 513-521出版社
TAYLOR & FRANCIS INC
DOI: 10.3852/09-132
关键词
ITS T-RFLP analysis; Juncus roemerianus; salt marsh fungi; Spartina alterniflora
类别
资金
- Mississippi-Alabama Sea Grant Consortium [R/CEH-25]
- Mississippi Department of Marine Resources Tidelands Trust Fund Program [05-002/FY004-M0204-2]
- University of Southern Mississippi
Marine fungal communities of created salt marshes of differing ages were compared with those of two reference natural salt marshes. Marine fungi occurring on the lower 30 cm of salt marsh plants Spartina allerniflora and Juncus roemerianus were inventoried with morphological and molecular methods (ITS T-RFLP analysis) to determine fungal species richness, relative frequency of occurrence and ascomata density. The resulting profiles revealed similar fungal communities in natural salt marshes and created salt marshes 3 y old and older with a 1.5 y old created marsh showing less fungal colonization. A 26 y old created salt marsh consistently exhibited the highest fungal species richness. Ascomata density of the dominant fungal species on each host was significantly higher in natural marshes than in created marshes at all three sampling dates. This study indicates marine fungal saprotroph communties are present in these manmade coastal salt marshes as early as 1 y after marsh creation. The lower regions of both plant hosts were dominated by a small number of marine ascomycete species consistent with those species previously reported from salt marshes of the East Coast of USA.
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