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首页> 外文期刊>Estuarine Coastal and Shelf Science >Environmental impact of mud volcano inputs on the anthropogenically altered Porong River and Madura Strait coastal waters, Java, Indonesia
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Environmental impact of mud volcano inputs on the anthropogenically altered Porong River and Madura Strait coastal waters, Java, Indonesia

机译：印度尼西亚，爪哇，泥火山输入对人为改变的波龙河和马杜拉海峡沿海水域的环境影响

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摘要

Increasing human modifications of the coastal zone are endangering the integrity of coastal ecosystems. This is of particular importance in SE Asia where large parts of the population live in the coastal zone and are economically dependent on its resources. The region is also affected by a high frequency of extreme natural events like storms, earthquakes and volcanic eruptions. The eruption of a mud volcano, nicknamed "Lusi", near the city of Sidoarjo in eastern Java, Indonesia, on May 29, 2006 represents such an event. One of the measures to minimize the potential detrimental effects to the environment and the local population was to channelise part of the mud into the nearby Porong River, the major distributary of the Brantas River, which is affected by intensive land use and hydrological alterations in a densely populated catchment. Here we report for the first time on the effects of the mud volcano on the aquatic environment. The "Lusi" input more than doubled the suspended matter and particulate organic carbon load of the river. Moreover, we found decomposition of the additional organic matter worsening oxygen depletion in the river and adjacent coastal waters that can severely affect the well-being of aquatic organisms. We conclude that the mud volcano input adds to the adverse effects of human activities in the river catchment on the ecology and biogeochemistry of the estuary and Madura Strait coastal waters.
机译：人类对沿海地区的改造越来越多，正威胁着沿海生态系统的完整性。这在东南亚地区尤其重要，那里大部分人口居住在沿海地区，并且在经济上依赖其资源。该地区还受到风暴，地震和火山喷发等极端自然事件的频繁影响。 2006年5月29日，印度尼西亚东爪哇省Sidoarjo附近的一座火山被昵称为“ Lusi”的火山喷发就是这种情况。尽量减少对环境和当地居民的潜在不利影响的措施之一是将部分泥浆引导到附近的布龙河（布兰塔斯河的主要支流）中，该河受到土地密集利用和水文变化的影响。人口稠密的集水区。在这里，我们首次报告了火山泥对水生环境的影响。 “ Lusi”输入使河流的悬浮物和有机碳颗粒负荷增加了一倍以上。此外，我们发现附加有机物的分解会加剧河流和附近沿海水域中的氧气消耗，从而严重影响水生生物的福祉。我们得出的结论是，火山泥输入增加了河流流域人类活动对河口和马杜拉海峡沿海水域生态和生物地球化学的不利影响。

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