Upasana DeviAfsana BegamSamima SultanaSchool: Dagaon Girls M.E School.Class: VIII Sub.S.Science.Chapter: 1.Natural Resource

Natural resources:-Natural resources are useful raw materials that we

get from the Earth.They occur naturally. Which means that humans cannot make natural resources.Instead,we use and modify natural resources in ways that are beneficial to us. Some examples of natural resources are Air, Animals, Coal, Minerals, Natural Gas, Oil, Plants, Sunlight, Water.

http://lookedindonesia.blogspot.in/2014/10/natural-resources.html

Different type of use land resource

Land resources can be taken to mean the resources available from the land.The agricultural land which contain natural fertilliser for growth of the products sown; the under ground water,the various minerais like coal, bouxite, gold and other raw materials. The more a country is able to locate and use the raw materials, the more the industrialisation of that country, area etc. In a wider sense, land resource can also mean the land available for exploitation, like non agricuntural lands for buildings, developing town Ships etc.

How to use land in urban and rural area.

The world’s urban population in 1950 of just 746 million has soared in the decades since. In 2009, the number of people living in urban area [3.42billion] surpassed the number living in rural areas[3.41billion] and since them the world has become more urban than rural.

Make a list of land degradation.

Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. Also environmental degradation is the gradul destrucition of the quality and quantity of human activities animals activities or natural means example water causes soil crosion wind etc. http://en.wikipedia.org/wiki/Land_degradation

Reason of land degradation.

Soil erosionLass of soil fertilitySoil structure changeSalinisation Soil pollutionDesertificationLoss of vegetation coverIntroduced herbivores such as rabbits and goats Increases of populations of native herbivores

such as kangaroosOveruse of irrigation water.

http://contactnorth.ca/shlc/ecotourism/Ecotourism%20Toolbox/topic_ei/ei_bi01_read04.htm

How to protect land degradation

5 ways to reduce land begradation gardeningResponsible industrial and chemicalAfforestation and reforestationConservation tillageConstructing wind breakersUsing fertilizersWaste managementKey takeway.

http://www.godfreyhoffman.com/Civil-Engineering-Blog/bid/297005/How-Can-You-Reduce-Land-Degradation-in-Connecticut

What will happened not protecting land degradationLoss of natural fertility of soil because of loss

of nutrientsLess vegetation coverChanges in the characteristicPollution of water resources from the

contamination of soil through which water sweeps into ground or run of to the water bodies

Change in climatic canditions because of un balanced creafed in the environment

http://www.yourarticlelibrary.com/land/land-degradation-meaning-causes-and-prevention-of-land-degradation/12338