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Erosion control is the practice of preventing or controlling wind or water erosion in agriculture, land development and construction.
Effective erosion control measures are vital to prevent water pollution and soil loss.
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Covering seventy percent of the earth’s surface, oceans and their ecosystems directly affect earth’s biosphere.
Ocean water evaporation produces rainfall.
But if that water is contaminated with oil, plastics and other pollutants producing dormant seas, those waters can’t produce rainwater on land.
Must be landscaped to prevent erosion.
50% = Ground cover max.
Have an irregular surface to diffuse and reduce river bank scouring Gabions are able to use smaller rock for river bank protection, when larger rip rap is … Erosion refers to the process where soil and rock are worn away from the Earth’s surface, often through natural elements, such as water, wind or ice, and are then transported to and deposited in other locations.
Erosion is the removal of solids (sediment, soil, rock and other particles) in the natural environment we live in.
79pc Pakistanis cite water pollution as critical problem
79pc Pakistanis cite water pollution as critical problem.
From Our Correspondent ISLAMABAD: A Gilani Research Foundation survey carried out by Gallup & Gilani Pakistan said on Thursday that 79% Pakistanis cite water pollution to be a critical problem in their locality, followed by 78% who say excessive land development.
A nationally representative sample of men and women from across the four provinces was asked, “How much, if at all is each of the following a problem in your local community?” In response to this question, for air pollution, 43% said it is a very critical problem in their local community, 31% said somewhat critical, 20% said less critical and 6% said not at all critical.
For water pollution of lakes, rivers and streams, 45% said it is a very critical problem in their local community, 34% said somewhat critical, 18% said less critical and 3% said not at all critical.
excessive land development, 46% said it is a very critical problem in their local community, 32% said somewhat critical, 17% said less critical and 5% said not at all critical.
Question: “How much, if at all is each of the following a problem in your local community.
The study was released by Gilani Research Foundation and carried out by Gallup & Gilani Pakistan, the Pakistani affiliate of Gallup International.
The recent survey was carried out among a sample of 1838 men and women in rural and urban areas of all four provinces of the country, during February 20 – February 27, 2017.
Error margin is estimated to be approximately ± 2-3 per cent at 95% confidence level.
Gilani Research Foundation is a not for profit public service project to provide social science research to students, academia, policy makers and concerned citizens in Pakistan and across the globe.