Glossary
Please find below a glossary of technical terms and abbreviations used on our web site.
| PA5 | Environmental Risks Priority Area of the EUSDR |
| Pesticide | A substance, usually chemical, used to kill unwanted plants and animals |
| Phytobenthos | Microscopic plants such as algae that live in the bottom layers of the river and seabed |
| Phytoplankton | Plants, mainly microscopic, existing in water bodies |
| PL | Poland |
| Priority substances | The EU’s ‘Priority Substances’ or groups of substances which have been shown to be of major concern for European waters. Priority Substances include organic compounds and heavy metals |
