Прочитайте текст и выполните задания. Mangroves 1. Mangroves are the characteristic littoral plant ...: ответ на тест 893146 - Английский язык

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                                            Mangroves
1. Mangroves are the characteristic littoral plant formations of tropical and subtropical sheltered coastlines. Generally speaking, mangroves are trees and shrubs growing below the high-water level of spring tides. Their root systems are thus regularly inundated with saline water, even though it may be diluted due to freshwater surface run-offs and only flooded once or twice a year. Mangroves depend on terrestrial and tidal waters for their nourishment, and on coastal soils and silt deposits from upland erosion as substrate for support.
2. Mangroves are among the most productive terrestrial ecosystems and are a natural, renewable resource. However, the world's mangroves are beleaguered. Mangroves are losing their habitats as rivers are dammed, their waters diverted and the intertidal zone extensively developed for agriculture or aquaculture and generally dried up.
3. The depletion of mangroves is a cause of serious environmental and economic concern to many developing countries. This stems from the fact that at the interface between the sea and the land, mangroves play a pivotal role in moderating monsoonal tidal floods and in coastal protection. The continuing degradation and depletion of this vital resource will reduce not only terrestrial and aquatic production and wildlife habitats, but more importantly, the environmental stability of coastal forests that provide protection to inland agricultural crops and villages will become seriously impaired.
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  • The peculiarity of mangroves root system is in its growth below the high-water level and getting nourishment from terrestrial and freshwater.
  • Mangroves are unimportant for terrestrial and aquatic production and wildlife habitats as well as the environmental stability of coastal forests.
  • Nowadays mangroves are in danger as people force them out of their habitats damming the rivers and cultivating the intertidal zone.
  • Mangroves are among the most important terrestrial ecosystems as they intensify monsoon tidal floods and take part in coastal protection.
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Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 16:05
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 16:05
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