Primary Producers:
Phytoplankton: Microscopic algae that form the foundation of the food chain by converting sunlight into energy through photosynthesis.
Zooplankton: Tiny animals that feed on phytoplankton and other microscopic organisms.
Primary Consumers:
Small Fish: Fish species such as minnows, sticklebacks, and roach that feed on zooplankton and other small organisms.
Aquatic Insects: Insects such as mayflies, caddisflies, and dragonflies that live in or near the water and feed on zooplankton and other small organisms.
Secondary Consumers:
Medium-Sized Fish: Fish species such as trout, perch, and pike that prey on smaller fish and aquatic insects.
Birds: Kingfisher, herons, and ducks that hunt for small fish and aquatic insects near the river.
Tertiary Consumers:
Large Fish: Fish species such as catfish and eels that prey on medium-sized fish and other aquatic animals.
Mammals: Otters and mink that hunt for fish and other aquatic animals along the riverbank.
Apex Predators:
Birds of Prey: Eagles and osprey that hunt for fish, birds, and small mammals near the river.
Decomposers:
Fungi and Bacteria: Decompose organic matter, such as dead plants and animals, and return nutrients to the ecosystem.