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Ecological Characteristics of the Epiphytes on Seagrass - II. Effects of Physico-chemical Factors on Eelgrass (Zostera marina L.) and Epiphytes  

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.30, no.3, 2012 , pp. 272-279 More about this Journal
Abstract
This was the second study on the ecological characteristics of the epiphytes on seagrass leaf. The objective of this study was to understand the variation of epiphytes on seagrass leaf depending on the change of physico-chemical factors such as salinity, nutrients, and etc. This study showed the four results. 1) The eelgrass growth was influenced by water temperature, suggesting the positive correlation between eelgrass growth and water temperature. 2) The epiphytes growth on seagrass leaves did not show the correlation with water temperature, but negatively correlated with salinity. 3) The eelgrass growth decreased when the concentraion of nitrogen increased. 4) However, loads of epiphytes increased when the concentration of total nitogen (TN), nitrate ($NO_3^-$), and nitrite ($NO_2^-$) were high. This increase of epiphytes growth could be suggested in the cause-effect pathway of nutrient enrichment leading to seagrasses loss.
Keywords
seagrass; eelgrass; epiphytes; epiphytic algae; nutrients; cause-effect pathway;
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Times Cited By KSCI : 2  (Citation Analysis)
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