Best answer

Water currents keep fine solids in suspension, reducing light penetration to the benthos. Organic matter in suspension is by far the largest food base in these very large rivers. Changes in physical habitat and food base from river source to mouth profoundly influence biological communities.

Answered by: solarissmoke Date created: May 20, 2022

How does pollution affect natural disasters?

Asked By: Jon Tackabury Date created: May 18, 2022

Pollutants from flooded industrial sites caused hazardous chemicals to enter untreated into project sites, groundwater, watersheds and the oceans. Other disasters such as wildfires, floods, and tornadoes can completely defoliate forests and cause other types of structural changes to ecosystems.

Answered By: Badis Merabet Date created: May 21, 2022

How does a vegetative buffer affect a river?

Asked By: Lucio Paiva Date created: May 07, 2022

These vital vegetative buffers protect the rivers and streams by filtering stormwater, absorbing and trapping pollutants, provide shade to keep waters cool, and provide important habitat for wildlife throughout the ecosystem. ...

Answered By: Eric Date created: May 10, 2022

How does erosion affect the water system?

Asked By: Hemadri Dasari Date created: May 04, 2022

Sediment is eroded from the landscape, transported by river systems, and eventually deposited in a lake or the sea.


The transportation process is initiated on the land surface when raindrops result in sheet erosion.

Rills, gullies, streams, and rivers then act as conduits for sediment movement..

Answered By: itronic1990 Date created: May 05, 2022

How do the oceans affect climate?

Asked By: mu is too short Date created: May 16, 2022

The oceans influence climate by absorbing solar radiation and releasing heat needed to drive the atmospheric circulation, by releasing aerosols that influence cloud cover, by emitting most of the water that falls on land as rain, by absorbing carbon dioxide from the atmosphere and storing it for years to millions of ...

Answered By: Clifton Labrum Date created: May 19, 2022

Does pollution affect air quality?

Asked By: Hasan Sefa Ozalp Date created: May 10, 2022

Research shows that air pollution may effect ecosystems. Air pollutants such as sulfur may lead to excess amounts of acid in lakes and streams, and can damage trees and forest soils. Nitrogen in the atmosphere can harm fish and other aquatic life when deposited on surface waters.

Answered By: Samathingamajig Date created: May 13, 2022

How does poor soil affect the ecosystem?

Asked By: Pablo Mescher Date created: May 18, 2022

This occurs through physical, chemical and biological process. For example, septic systems rely on these processes to protect groundwater quality as well as maintain the quantity of our water supply. When soils are not protected, soils and nutrients can pollute water, washing away into streams and oceans.

Answered By: Luis Miguel Mejía Suárez Date created: May 19, 2022

How does BOD affect water quality?

Asked By: peirix Date created: May 02, 2022

BOD directly affects the amount of dissolved oxygen in rivers and streams. The greater the BOD, the more rapidly oxygen is depleted in the stream. This means less oxygen is available to higher forms of aquatic life.

Answered By: kausko Date created: May 03, 2022

How does heavy metal affect water?

Asked By: Otávio Décio Date created: May 17, 2022

Heavy metals are dangerous because they tend to bioaccumulate. ... Heavy metals can enter a water supply by industrial and consumer waste, or even from acidic rain breaking down soils and releasing heavy metals into streams, lakes, rivers, and groundwater.

Answered By: Denys Séguret Date created: May 19, 2022

How do rivers affect humans?

Asked By: jewelsea Date created: May 14, 2022

Pollution is difficult to control because it is often the result of human infrastructure around a river. ... Sewage and effluent are discharged into rivers in some areas. Pollution can lower the pH of the water, affecting all organisms from algae to vertebrates. Biodiversity decreases with decreasing pH.

Answered By: Andrew Aylett Date created: May 16, 2022

How do humans affect dissolved oxygen in water?

Asked By: alucic Date created: May 16, 2022

How do human activities affect the dissolved oxygen concentrations in water? Microorganisms such as bacteria decompose organic waste in water—a process which requires oxygen. ... Removal of the trees and plants that grow along the edge of streams and rivers decreases shading, result- ing in warmer water temperatures.

Answered By: Peter Lawrey Date created: May 16, 2022

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