Influence of forest magrove on increased deposition rate and wave attenuation in Ngoc Hai area (Hai Phong)
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Abstract
Abstract. Mangrove forests in Hai Phong coastal area are the ecosystem with high productivity. Mangroves forests also have a good role on protection dike and coastal residential area. The extending of alluvial deposition area and development of mangrove forest are two processes occur together.
Base on the results study on the coastal zone of Ngoc Hai (Do Son, Hai Phong) since 2004 to 2011, this paper shown the role of mangrove forest on increased deposition rate, heighten bathymetry, and wave attenuation in Ngoc Hai area (Hai Phong). Deposition rate in the study could be increased about 0.1-0.4cm/year if mangroves age increasing one year age.References
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[3] Braun - Blanquet, J. (1932). Plant Sociology: the study of plant communities. Mc Graw - Hill, New York.
[4] Phan Nguyên Hồng, Hoàng Thị Sản (1993). Mangroves of Vietnam. IUCN Bangkok, 173 p.
[5] Mazda, Y. ; Wolanski, E.; King, B. ; Save, A.; Ohstuka, D.; Magi M. (1997). Drag force due to vegetation in mangrove swamps. Mangrove and Salt Marshes, vol. 1, pp. 193-199.
[6] Vũ Đoàn Thái (2005). Initial research on some type of mangrove forest structure in the coastal zone of Hai Phong influences wave attenuation, protection coast. Journal of Science, volume 1, 2005. Hanoi national university of education published.
[7] Trần Đức Thạnh, Trần Đình Lân, Phạm Văn Lượng, Đinh Văn Huy, (2001). Impact of human activities on marine environment in the relative to sea-land interaction. Marine resources and environment, Tome VIII. Publishing house for science and technology, Ha Noi, 2001.
[8] Normalize of Hydrometeorology, (1991). Normalize of measure hydrology marine, 94TCN 8-91. Printed at Hydrometeorology factory, 1991.