chapter 1 resource and development Flashcards
resource
anything in the environment to satisfy our need .it should be economical,technology and culturally acceptable
basis of classification of resources
origin,exhaustablity,ownership, status of development
territorial water
12 nautical miles , exclusive right of the nation
international water
beyond exclusive economic zone of 200 miles
deep sea mining rights of india
indian ocean beyond exclusive economic zone ,manganese
potential,developed,stock and reserved resource
potential - can use but not using eg wind energy in rajasthan and gujrat
developed - can and are using
stock-dont have technology to use eg hydrogen from water
reserved -subset of stock ,have technology but reserved for future generation eg rivers being used to limited extend
first earth submit
1992, rio de janerio, sustainable development , agenda 21 ,UNCED ,100 STATES
Club of rome
advocated resource conservation in 1968
scuhumatcher -small is beautiful in 1974
brundtland comittee report-sustainable development 1987
land resource
40 percent plains
30 percent hill
27 percent plateau
cultruable land
land not sown for 5 years
net sown area
area sown only once a year
gross cropped area
area sown once a year + net sown area
deforestration due to mining is seen in
jharkhand,chattisgarh,odisha ,MP
land degradation due to overgrazing
gujrat,rajasthan,MP. maharashtra
land degradation due to over irrigation
punjab , hariyana ,western UP ….SALINITY AND alkaline
types of alluvial soil and rich in
bhangar and khadar …bhangar is old and khadar is young and fine and more fertile .
bhangar has kanker
rich is potash phosphoric acid and lime
alluvial soil is found in
northern plains,extends upto rajasthan and gujrat,delta of mahanadi,godavari,krishna and kaveri
forms duars ,terai and chos
black soil
also called regur soil
important condition-climate and parent rock
region-deccan trap
places-maharashtra,saurastra,malva ,madhyapradesh,chattisgarh,godavari and krishna valley
characteristics of black soil
clayey,hold water ,rich in calcium carbonate,potash,magnesium , lime
lack phosphoric content
develop cracks in summer and help in aeration
red and yellow soil formed,where,region.why red colour
formed -crystalline igneous rock
where-low rainfall
region-eastern and southern deccan
place-odisha,chattisgarh ,southern part of ganga plane,peidmont zone of western ghat
red colour due to iron diffusion
