view of irrigation canal with weeds and debris flowing together with strong flowing dirty brown water due to soil and mud from

algae animal aquatic plant background canal carrion contaminated crassipes creek current dead die dirt dirty drainage ecological ecology ecosystem environment fish float flow foliage grass hazard irrigation lake landscape leaf leaves natural nature outdoor overgrown plants pollution pondweed putrid river rotten scenic sludge stream tree waste water weed wet wood view weeds debris flowing together strong brown soil mud forest heavy rains floods nina crisis