Temporal variation in growth and reproduction of Enhalus acoroides (L.f.) Royle in a monospecific meadow in Haad Chao Mai National Park, Trang Province, Thailand
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Ekkalak Rattanachot
Abstract
Enhalus acoroides is the largest tropical seagrass species. It is common and highly productive in coastal ecosystems. The objective of this study was to investigate temporal growth and reproduction of E. acoroides in Haad Chao Mai National Park, Thailand, which is located on the eastern shore of the Indian Ocean. Growth of E. acoroides was significantly different among months. Average leaf elongation rate was 2.07±0.04 cm day-1 and the average leaf plastrochrone interval was 26.1±0.6 days. New leaf production, leaf elongation rate and leaf surface area tracked definite patterns of seasonal change. There were two peaks of growth during the transitional season. All growth variables correlated with water temperature. Recruitment rate of new shoots was low from January to March (0.009–0.007 shoots shoot-1 day-1). Flower production was low, with male and female flowers occurring at densities of 0.10±0.05 m-2 and 0.13±0.10 m-2, respectively. No fruits were found in experimental plots throughout the study.
©2011 by Walter de Gruyter Berlin New York
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Articles in the same Issue
- Research Articles
- Succession patterns in algal turf vegetation on a Caribbean coral reef
- Carpospore and tetraspore release and survival in Chondracanthus squarrulosus (Rhodophyta: Gigartinaceae) from the Gulf of California
- Morphology and taxonomy of Anadyomene species (Cladophorales, Chlorophyta) from Bahia, Brazil
- Sargassum polyceratium (Phaeophyceae, Fucaceae) surface molecule activity towards fouling organisms and embryonic development of benthic species
- Colpomenia claytonii sp. nov. (Scytosiphonaceae, Phaeophyceae) based on morphology and mitochondrial cox3 sequences
- A survey of the benthic aquatic flora in transitional water systems of Greece and Cyprus (Mediterranean Sea)
- Morphological study of the genus Cocconeis Ehrenberg (Bacillariophyceae) collected during the 1897–1899 Belgian Antarctic Expedition
- Cloning differentially expressed salt induced cDNAs from Dunaliella salina under super saturated salt stress using subtractive hybridization
- Antioxidant response of the microalga Dunaliella salina under salt stress
- Temporal variation in growth and reproduction of Enhalus acoroides (L.f.) Royle in a monospecific meadow in Haad Chao Mai National Park, Trang Province, Thailand
- Lignicolous marine fungi from Yokosuka, Japan
