when a river begins high in the mountains, the water initially flows down mountainsides and through steep valleys. eventually, the water reaches the ocean. which habitat characteristics are more likely to be found upstream, near the river source, and which are more likely to be found downstream, near the river mouth?



Answer :

Upstream, coniferous woods with a variety of junipers & pine species are more common, but downstream, the ecosystem is shallow, bright, and warm. Some are chilly, dark, and deep.

These upstream ecosystems include juniper and pine woods, aspen stands, meadows, lakes, rivers, valleys, arctic tundra, talus slopes, & open rocky terrain. They also contain alpine tundra. The highest alpine environment contains a few little patches that are covered with snow all year.

Shallow, warm, and sunny environments can be found downstream. Some are chilly, dark, and deep. The velocity of water, the amount of light, temperature, pressurization, nutrients, food availability, and salinity of the water are some of the habitat variables that species of plants and animals can adapt to.

Learn more about habitat characteristics at

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