Nutritional diversity of symbiotic ascidians in a Fijian seagrass meadow
|Title||Nutritional diversity of symbiotic ascidians in a Fijian seagrass meadow|
|Publication Type||Journal Article|
|Year of Publication||1996|
|Authors||Koike, I., & Suzuki T.|
|Pagination||381 - 386|
In a coastal lagoon of Dravuni Island, Fiji, at least six species of compound ascidians, some of them harboringProchloron as symbiotic algae, were found in aSyringodium-dominated seagrass meadow. Based on their heterotrophic (filrer feeding rates) and autotrophic (photosynthetic) activities, carbon gain of the ascidians was categorized into two groups: (i) supported by heterotrophic metabolism; and (ii) supported by both heterotrophic and autotrophic metabolisms.Didemnum molle, Lissoclinum bistratum andLissolinum voeltzkowi belong to the latter group, and the relative contribution of the autotrophic process was a significant portion of their carbon gain (52–74%). These symbiotic ascidians were found in light microhabitats, while the heterotrophic species occupied shady environments rich in suspended organic materials, such as the sheath surface of the seagrass.
|Short Title||Ecol. Res.|