Coastal Erosion Of Coastal Vegetation Depending On Their Salinity Tolerance

885 Words Sep 15th, 2015 4 Pages
The comprehension of the distribution of coastal vegetation depending on their salinity tolerance is very significant to the understanding of coastal ecological modeling. Coastal ecological modeling depends largely on the interplay of salinity and the formation, productivity and perishability of coastal plants to infer or predict any coastal change. Plants that sustain in a highly saline environment are termed as halophytes, including mangroves, which tolerate salinity but perhaps do not require salt to perform their physiological activities. Mangroves are an important type of marine halophytes, which are influenced by salinity throughout their lives but manage to thrive in spite of difficulties. There are two types of halophytes: facultative halophytes and obligate halophytes. Facultative halophytes can sustain in fresh water but grow rapidly with the increase in salinity up to an optimum level. On the other hand, obligate halophyte cannot stand fresh water and have optimal growth in similar or more than the salinity range of facultative halophytes. The general consensus among scientists on mangrove categorization is that mangroves are facultative halophytes, as the distinction depends on the ability of mangroves to survive in fresh water. In the review article “On the halophytic nature of mangroves”, Krauss and Ball (2013) contended that mangroves do not need salt for survival and hence are truly facultative halophytes. The authors accomplished their comprehensive…

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