DIVERSITY OF AQUATIC HYPHOMYCETES IN KALATHGIRI FALLS OF CHIKMAGALUR DISTRICT, KARNATAKA, INDIA

Autor:	G. H. Raju, E. Descals, H.R. Suresha, B.R. Taylor, M. R. Krishnappa
Rok vydání:	2013
Předmět:	chemistry.chemical_classification Abiotic component Biotic component Ecology Microorganism Aquatic ecosystem fungi Biology Hyphomycetes biology.organism_classification Decomposer Spore chemistry Botany Organic matter
Zdroj:	International Journal of Microbiology Research. 5:410-416
ISSN:	0975-9174 0975-5276
DOI:	10.9735/0975-5276.5.3.410-416
Popis:	Aquatic ecosystems include both fresh and marine water bodies comprising both abiotic and biotic components. The biotic compo- nent consists of producers, consumers and decomposers. Microorganisms play an important role in decomposition of organic matter; in fresh water much of this decomposition is carried out by a group of Deuteromycete fungi known as aquatic hyphomycetes. The diversity of aquatic hyphomycetes in a river can be assessed indirectly because they produce distinctively shaped conidia that persist in the water and are often concentrated in foam. Production of conidia may also be induced by incubating decomposing organic matter. The present study was carried out to explore the diversity of aquatic hyphomycetes on leaf bits in Kalathgiri Falls, in Chikmagalur District of Karnataka. The fallen leaves of four species of riverside plants were tied in nylon mesh bags, incubated in the stream for 15 days, and examined in the laboratory for spores indicating the presence of aquatic fungi. A total of 18 species of aquatic hyphomycetes belonging to 13 genera were recorded. There was little evidence of species associations, and the assemblage at each site along the falls was distinct.
Databáze:	OpenAIRE
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