the very cold zone in an ocean, dam or a lake, located below the range of effective light...
Glossary
eutrophication
Subject:
- Life Sciences
the excessive growth of alga and hydrophytes in response to the addition of artificial or natural substances, such as nitrates and phosphates, because of fertilizers or sewage being added to an aquatic system. This also results in the depletion of oxygen in the water, which induces reductions in specific fish and other animal populations.