stagnant water body and its surface

air algae anoxia bionomics blister bloom blooming bluegreen body bottom bubble bubbles carburated covered dead deadwater deficiency earth ecology environment forced gas gerridae green hunger hydrogen jump layer lowwater macrocosm marco marsh marshgas measurer methane miasma micro microcosm naturalism naturalistic oxygen period philosophy pond rotten run scum shallow skater skaters stagnant stagnation strider summer swamp ultra watching water waterbloom world