The genus Thalassiosira off the Guangdong coast, South China Sea
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Yang Li
Abstract
We describe the taxonomy and species diversity of 35 taxa of the diatom genus Thalassiosira from a series of net plankton collected quarterly or monthly from eight locations off the Guangdong coastal waters in the South China Sea. Field samples and 14 cultured Thalassiosira clonal strains were studied by light and electron microscopy. A total of 35 Thalassiosira species were recorded, including nine new records for China, namely T. cedarkeyensis, T. densannula, T. duostra, T. hendeyi, T. nanolineata, T. nodulolineata, T. punctigera, T. tubifera and T. visurgis, and eight new records for Asia (taxa as above, except for T. punctigera). The morphological features of these Thalassiosira species are described and compared with previous illustrations. Some morphological variations are reported and discussed. This study was the first attempt to describe Thalassiosira species diversity in the South China Sea and Asian tropical waters. The results highlight a higher species diversity of Thalassiosira in the Guangdong coastal waters than in other studied regions.
©2013 by Walter de Gruyter Berlin Boston
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Articles in the same Issue
- Masthead
- Masthead
- Publisher’s note
- Editorial changes at Botanica Marina
- Research articles
- Seasonal variation in floating persistence of detached Durvillaea antarctica (Chamisso) Hariot thalli
- Cryptic diversity and biogeography of the widespread brown alga Colpomenia sinuosa (Ectocarpales, Phaeophyceae)
- Identity and origin of a slender Caulerpa taxifolia strain introduced into the Mediterranean Sea
- Recognition and distribution of Polysiphonia morrowii (Rhodomelaceae, Rhodophyta) in New Zealand
- Seasonal variations in concentrations of macro- and micronutrients in three species of brown seaweed
- Combined effects of CO2, temperature, irradiance and time on the physiological performance of Chondrus crispus (Rhodophyta)
- Effects of salinity on survival of the exotic seagrass Zostera japonica subjected to extreme high temperature stress
- The genus Thalassiosira off the Guangdong coast, South China Sea
