•Phytoplankton are most abundant in the surface layers of the lake (to a depth of 20–30 meters), where there is sufficient sunlight for photosynthesis.

•Phytoplankton are most abundant in the surface layers of the lake (to a depth of 20–30 meters), where there is sufficient sunlight for photosynthesis.

•Phytoplankton are most abundant in the surface layers of the lake (to a depth of 20–30 meters), where there is sufficient sunlight for photosynthesis. •The highest concentration occurs in coastal zones and areas with weaker currents, as these conditions favor stable phytoplankton colonies. Location in the Lake