WFD: Ecological condition OWK 2022-2027 — Phytoplankton

According to Appendix 4 OGewV, four biological components are to be used for the assessment of the ecological status: here review Phytoplankton根据附录4 OGewV，需采用四类生物组分开展生态状况评估：本次审查的对象为浮游植物（Phytoplankton）。