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首页> 外文期刊>ICES Journal of Marine Science >Applicability of the trophic index TRIX in two transitional ecosystems: the Mar Menor lagoon (Spain) and the Mondego estuary (Portugal)
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Applicability of the trophic index TRIX in two transitional ecosystems: the Mar Menor lagoon (Spain) and the Mondego estuary (Portugal)

机译：营养指数TRIX在两个过渡生态系统中的适用性：马尔梅诺泻湖（西班牙）和蒙德戈河口（葡萄牙）

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摘要

Ecological indicators are commonly used to provide synoptic information about the state of ecosystems. Their main attribute is that they combine a range of environmental factors in a single value, which is thought useful for management and for making ecological-quality concepts easily understandable by the general public. In some European countries, the trophic state of marine and coastal waters is characterized using the trophic index TRIX. We used TRIX in the studies of the Mar Menor coastal lagoon (southeast Spain) and the Mondego estuary (northwest Portugal). These areas are under environmental stress, and eutrophication processes have been monitored in recent years. The results demonstrate the inefficacy of TRIX as a trustworthy tool to classify eutrophication status in estuarine waters. The causes of the malfunction of the index are discussed, and we suggest that, if the index is to be applied over wide areas, the classification criteria will have to be adapted to specific environments.
机译：生态指标通常用于提供有关生态系统状态的概要信息。它们的主要属性是将一系列环境因素合并为一个单一值，这被认为对管理和使公众容易理解的生态质量概念很有用。在一些欧洲国家，使用营养指数TRIX来表征海洋和沿海水域的营养状态。我们将TRIX用于Mar Menor沿海泻湖（西班牙东南部）和Mondego河口（葡萄牙西北部）的研究中。这些地区处于环境压力之下，近年来对富营养化过程进行了监测。结果表明TRIX作为对河口水体富营养化状态进行分类的可信赖工具无效。讨论了索引出现故障的原因，我们建议，如果要将索引应用于广泛的区域，则分类标准将必须适应特定的环境。

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