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Ana Sofia Bedoya Samuel CespedesKarla CifuentesJuan Esteban Lozano

River and stream ecosystems

A lotic ecosystem is the ecosystem of a river, stream or spring, in which the movement of water is predominantly in one direction, following the course of the body, affected by physical factors such as: slope, flow, depth, sinuosity, among others. ... Great diversity of lotic ecosystems.

What is it?

A streamor creek is a natural stream of water that normally flows continuously, but unlike a river, it has little flow, which can even disappear in the dry season, summer or winter, depending on the rainy season for your existence.

Characteristics

Importance

These rivers are not only a source of drinking water, but they are also an important economic resource, especially for people who depend on fishing, mining and even help to generate more than 70% of the country's electricity. However, for the rivers in the country not everything flows like water.

Fauna and flora in rivers and streams

Fish such as perch, crappie, and catfish; birds like ducks and herons; mammals such as otters, porcupines, squirrels, possums, and bats; amphibians like toads and frogs: all these and more animals populate streams in different parts of the world.

Fauna

Bocachico - Prochilodus magdalenae

It lives in the basins of the Magdalena and Cauca rivers. It grows up to 50 cm., It feeds on algae and plants. Its minimum authorized fishing size is currently 25 cm.

Striped Catfish - Pseudoplatystoma fasciatum

It feeds on insects, other fish, and seeds. It lacks scales and has an excellent sense of smell; their beards are used to detect the movement of their prey.

Otter - Lontra longicaudis

Excellent swimmer and diver. It is exclusively carnivorous; It feeds on fish, turtles, frogs, crabs, and crustaceans. It helps to balance the populations of animals that feed and fertilize rivers and lakes with their excrement.

Flora

The most common flora in rivers is made up of algae, mosses and a large number of aquatic, submerged and floating plants. Example? Water hyacinths, water lilies, lotuses, and duckweed. Mangroves and tall trees can grow alongside rivers.

Aliso

Junco

Zerza

Álamo blanco

Sauce

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