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单词 mangrove swamp
释义
mangrove swamp

Biology
  • A region of vegetation, found along tropical coasts, in which mangrove trees (Rhizophora species) predominate. The waterlogged soil is highly saline, and—like other halophytes—mangroves are adapted to withstand these conditions; they also possess aerial roots (pneumatophores) through which gaseous exchange occurs, to counteract effects of the badly aerated soil. Mangroves are not only complex ecosystems but also play a vital role in protecting coastal regions from the effects of tropical storms and high tides.


Geology and Earth Sciences
  • Characteristic vegetation of tropical, muddy coasts, and typically associated with river mouths where the water is shallow and the load of suspended sediment is high. The aerial roots of the mangrove trees trap the sediment, favouring the gradual seaward extension of the land area.


Geography
  • A number of types of low trees and shrubs, growing on mud flats in tropical coastal areas where the tidal range is slight. Mangroves are significant agents of progradation along tropical coasts, and are especially well developed in South and East Asia. See Saintilan and Williams (1999) Glob. Ecol. & Biogeog. 8, 2. Concedda et al. (2011) AAAG 101, 6, 1259 report an increase in the area of mangrove swamps in Senegal, but a decline in the capacity of these mangrove forests to provide key ecosystem goods and services.


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