安达曼和尼科巴群岛红树林植物区系的现状

N. K. Suyani, M. Singh
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引用次数: 0

摘要

安达曼和尼科巴的红树林占该国红树林总面积的12.39%。就密度和生长而言,它们被认为是该国最好的红树林。大约99%的红树林位于安达曼岛,只有1%的红树林位于尼科巴岛。它们是各种鱼类、甲壳类动物、水生生物、鸟类、鳄鱼、猴子等的独特栖息地。这些丰富和最具生产力的生态系统构成了海洋和沿海水域食物链的基础。它们提供薪材、木炭、木材和木屑,还有助于稳定海岸线,过滤土地径流和防止土壤侵蚀的绿墙,因此在稳定高风速、潮汐和气旋风暴造成的松散土壤方面发挥了关键作用。但近年来,群岛的红树林覆盖面积从686平方公里减少到616平方公里,下降了10.20%。其背后的主要原因是对生态系统的低估,以及气候变化的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Current Scenario of Mangrove Floristics of the Andaman and Nicobar Islands
The mangroves of Andaman and Nicobar constitute 12.39% of the total area of mangrove of the country. They are recognized as the best mangroves in the country as regards density and growth. About 99% of mangrove lies in Andaman Island and only 1% fall in Nicobar Island. They serve as a unique habitat for various fishes, crustaceans, aquatic organisms, birds, crocodiles, monkeys, etc. These rich and most productive ecosystem forms a basis for the food chain in the sea and coastal waters. They provide fuelwood, charcoal, timber, and wood chips and also helps to stabilize the shoreline and filter the land runoffs and green walls for soil erosion, thus key in stabilizing the loose soil from high wind velocity, tidal surges, and cyclonic storms. But in recent years the mangrove cover of the Islands has reduced from 686 km2 to 616 km2 showing a 10.20% decline. The major reason behind is the undervaluing of the ecosystem, as well as climate change implications.
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