Well, this is what happens to a lot of coastal mangrove forests.

这个，就是许多沿海红树林所面临的问题。

The coastal forests run from Denmark in the south up to the Arctic Circle where they give way to tundra.

沿海的森林从南方的丹麦一直延伸到北极圈，而到了北极圈就被苔原所取代。

Island residents are planting coastal mangrove forests, and building up low-lying areas of land with dredged sand to shield themselves against storms and rising sea levels.

岛上居民正在种植沿海红树林，并用疏浚的沙子建造低洼地带， 以抵御风暴和海平面上升。