1. Mahmuda Siddika Mousumi
Sheikh Shuhana
Farjana Ahmed
School: Dagaon Girls M.E School
Class VIII
Sub: S. Science
Chapter: 1.Natural Resource
2. Natural Resources:-
• Natural resources occur naturally within environments that
exist relatively undisturbed by humanity, in a natural form .A
natural resource is often characterized by amounts of
biodiversity and geodiversity existent in various ecosystems.
• http://en.wikipedia.org/wiki/Natural_resource
3. The use of land in urban and rural area:-
Land resources can be taken to mean the resources available
from the land. The agricultural land which contain natural
fertiliser for growth of the products sown. The under ground
water, the various minerals like coal bauxite, 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 like non agricultural lands for buildings, developing
townships etc
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4. How to use land in urban and rural
area.
• The rural-urban fringe, also known as the
outskirts or the urban hinterland, can be
described as the landscapes in terraced bet
wan the transition zone where urban and rural
wises mix and often clash, alternatively it can
be viewed as a landscape type in its own right,
one forged from an interavlion of urban and
rural land uses.
• http://en.wikipedia.org/wiki/Rural%E2%80%93urban_fringe
5. 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 gradual des trucition of the quality and quantity
of human activities animals activities or natural
means example water causes soil erosion, wind, etc.
• http://en.wikipedia.org/wiki/Land_degradation
6. Reason of land degradation.
• Soil erosion
• Loss of soil fertility
• Soil structure change
• Salinisation
• Soil pollution
• Desertification
• Loss of vegetation cover
• Introduced herbivores such as rabbits and goals
• Increases of Populations of native herbivores such as
kangaroos.
• Over use of irrigation water.
• http://contactnorth.ca/shlc/ecotourism/Ecotourism%20Toolbox/topic_ei/ei_bi01_read04.htm
7. How to protect land degradation.
• 5 ways to reduce land degradation gardening
• Afforestation and reforestation
• Conservation tillage
• Constructing wind breakers
• Using fertilizers
• Responsible industrial and chemical waste
• http://www.godfreyhoffman.com/Civil-Engineering-Blog/bid/297005/How-Can-You-Reduce-Land-Degradation-in-Connecticut
8. What will happened not protecting
land degradation.
• Loss of natural fertility of soil because of loss of nutrients
• Less vegetation cover,
• Changes in the characteristic of soil
• Pollution of water resources from the contamination of soil
through which water sweeps into ground or run of to the
water bodies.
• Chang in climatic conditions because of un balanced created
in the environment.
• http://www.yourarticlelibrary.com/land/land-degradation-meaning-causes-and-prevention-of-land-degradation/12338
