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Ecological Characteristics of the Epiphytes on Seagrass - I. Variations of the Epiphytic Community and Biomass Related to the Host Plant ($Zostera$ $marina$ (eelgrass)  

Chung, Mi-Hee (National Fisheries Research and Development Institute)
Youn, Seok-Hyun (National Fisheries Research and Development Institute)
Publication Information
Korean Journal of Environmental Biology / v.29, no.4, 2011 , pp. 362-372 More about this Journal
Abstract
The relationships among total epiphytes, algal epiphytes and eelgrass ($Zostera$ $marina$ L.) were studied at eelgrass medows from July, 1998 to July, 1999 in Yulim-ri, Yeosu, Korea. Epiphytic diatoms on eelgrass leaves were observed from July to December 1998. From the results of this study, we inferred the following three (3) conclusions : 1) As eelgrass grew older, biomass of epiphytes increased, according to relationships between the leaf length and area of eelgrass and biomass (DW, AFDW and Chl. $a$) of epiphytes. 2) According to the ratio of dry weight, ash-free dry weight and Chlorophyll of epiphytes, the algae with calcareous or siliceous skeletons, such as coralline algae or diatoms, were dominated in the epitphytic algae community. 3) The autotrophic index (AI) calculated from AFDW and Chl. $a$ of epiphytes varied from 151 to 375. However, the period of autotrophic community was shorter than heterotrophic community and the value of AI was high. From these results, we inferred that heterotrophic community, including detritus or microorganisms were dominated in the most of research period.
Keywords
eelgrass; epiphytes; epiphytic algae; Autotrophic Index (AI);
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Times Cited By KSCI : 5  (Citation Analysis)
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