WFD Cycle 2 TraC angiosperm classification

The dataset is a subset of “WFD Classification Status Cycle 2” and contains classification data for the Angiosperm biological element in transitional and coastal bodies. Angiosperms are flowering plants and include seagrasses and saltmarshes within the marine community. Separate assessment tools for seagrass and saltmarsh are used to measure metrics of composition and abundance. Each tool compares actual (observed) metric scores against reference conditions (reflecting a water body in pristine condition). The comparison of the observed to expected scores is known as an Ecological Quality Ratio (EQR). The EQR score from the tool assessments are used to produce the Angiosperm classification (High, Good, Moderate, Poor, Bad) of the water body for Water Framework Directive (WFD) purposes. Attribution statement: © Environment Agency copyright and/or database right 2015. All rights reserved.

本数据集为“WFD 分类状态周期 2”的子集，包含了对过渡性和沿海生物体中被子植物生物要素的分类数据。被子植物为开花植物，包括海洋群落中的海草和盐沼。针对海草和盐沼分别使用评估工具来衡量组成和丰度指标。每个工具将实际（观测）的指标分数与参照条件（反映原始水体状态）进行对比。观测分数与预期分数的对比被称为生态质量比（EQR）。该工具评估的 EQR 分数用于生成水体在《水框架指令》（WFD）目的下的被子植物分类（优、良、中、差、劣）。归属声明：© 环境局版权及/或数据库权利 2015。版权所有。