农业排水和来自发电厂的污染给北美的许多沼泽增加了额外的氮。
Agricultural run-off and pollution from power plants are adding extra nitrogen to many bogs in North America.
不管在泥炭沼泽上进行何种施工，最大的风险是扰乱排水后将会造成整个山坡被水淹没，或导致泥炭干涸而崩塌滑坡，且最终氧化。
One of the big risks for any construction on peat bogs is that the disrupted drainage will cause whole hillsides of waterlogged or dried out peat to slide and eventually oxidise.
人类还通过给沼泽地排水、凿石劈山、修建公路和铁路等方式，改变了地球的面貌。
Man has also modified the face of the earth by draining marshes and cutting through mountains to build roads and railways.
沼泽一片大面积的开阔地，通常很高但排水不好，有成片的荒野和泥炭田。
A broad area of open land, often high but poorly drained, with patches of heath and peat bogs.
排水制度，山经过，低的国家脊，或沼泽的低的点，时常形成中级的控制。
Drainage systems, mountain passes, low points in ridges, or swamps in low country, often form secondary controls.
沼泽：一片大面积的开阔地，通常很高但排水不好，有成片的荒野和泥炭田。
A broad area of open land, often high but poorly drained, with patches of heath and peat bogs.
我很清楚，挖沟排水和筑坝拦水正把许多河流和沼泽地搞得一团糟。
I was well aware that draining and damming were making a mess of many rivers and wetlands.
沼泽地：随季节淹没的低地，带有比湿地多的木质植物，比泥塘的排水要好。
A seasonally flooded bottomland with more woody plants than a marsh and better drainage than a bog.
一种极少排水的环境，其中草地沼泽维系着初等草本植物的生长，但不形成泥炭。
An environment from which water rarely drains that supports primarily grassy vegetation and does not form peat.
一种极少排水的环境，其中草地沼泽维系着初等草本植物的生长，但不形成泥炭。
An environment from which water rarely drains that supports primarily grassy vegetation and does not form peat.
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