The area of wetlands in the Great Barrier Reef catchment has decreased by over 50 percent, according to the Great Barrier Reef Coastal wetlands Protection Program.

根据“大堡礁滨海沼泽地的保护计划”，大堡礁流域沼泽地的面积已经减少了一半以上。

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It was inaugurated in 2008 and ACTS as a tidal barrier to keep seawater out, thus turning the island's most populated district into a water-catchment area and the harbour into a reservoir.

这座大坝落成于2008年，是作为阻挡海水与潮汐的一道屏障而修建的，将这个岛上人口最密集的区域和港口变成了一座水库。

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"It depends on the store level and the catchment area," he says.

他指出：“类型要取决于商店的等级以及其所服务地区的情况。”

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The catchment area is being increased by the creation of a pair of reservoirs, the first of which, due to be finished next year, will mean the rainfall-catchment acreage will extend to two-thirds of the island's total land area.

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The catchment area of the dam, once constructed, will be the key to the future of the project.

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He said the best hospitals for treating cancer serve a catchment area of at least one million people.

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