NATURAL RESOURCES OF SRI LANKA

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I I i i i i i i 1 i i i i i i i i i i i I Editorial Committee Prof. B A. Abeywickrama Mr. Malcolm F. Baldwin Mr. Malcolm A.B. Jansen Prof. CM. Madduma Bandara Mr. L.C.A. deS. Wijesinghe Major Contributors Prof. B A. Abeywickrama Dr. B.K. Basnayake Ms. N.D. de Zoysa Mr. S. Dimantha Prof. C.B. Dissanayake Prof. H.P.M. Gunasena Mr. Malcolm A.B. Jansen Mr. R.B.M. Korale Prof. CM. Madduma Bandara Mr. ICA.L. Premaralne Ms D.H. Sadacharan Dr. L.R. Sally Dr. M.UA Tennekoon Mr. M. Watson Dr. S. Wickramaratne Mr. L.CA. de S. Wijesinghe Other Contributors Editor Copy Editor Word- Processing Cartography Photography Publisher Printed By Cover Design Prof.P. Abeygunawardene Dr. A.T.P.L. Abeykoon Prof. P. Ashton Mr. G.B.A. Fernando Mr. P. lllangovan Dr. R.C. Kumarasuriya Mr. V. Nandakumar Dr.R.H. Wickramasinghe Dr. KristinWulfsberg Mr. Malcolm F. Baldwin Ms Pamela Fabian Ms Pushpa Iranganie Ms Beryl Melder Mr. Milton Liyanage Studio Times, Ltd. Mr. Dharmin Samarajeewa Mr. Dominic Sansoni Keells Business Systems Ltd Education Center Uni Walker Packaging Ltd. Colombo Masters Advertising Ltd.
Sponsored by the United States Agency for International Development * ^^ NATURAL RESOURCES OF SRI LANKA Conditions and Trends A REPORT PREPARED FOR THE NATURAL RESOURCES, ENERGY AND SCIENCE AUTHORITY OF SRI LANKA. 1991 I I
Page 1: 1 I I Hi- I I .1 Ii I Ii i I l I Il
Page 5 and 6: « . I I I Contents I I Research Te
Page 7 and 8: VI Supply and Processing 77 Sources
Page 9 and 10: VIII 8 Mineral Resources 181 GEMSTO
Page 11 and 12: FUNCTION AND VALUES 261 | Flood Sto
Page 14 and 15: I I I I I I I I I I I I I I I II ,
Page 16 and 17: I I I I 1 I I I I I I I I I I I I I
Page 18 and 19: I I I I I I I I I p I i : I I I I I
Page 20 and 21: I I I I I I I I I n 1 • i I I I I
Page 22 and 23: Introduction
Page 24 and 25: I I I I i i i [ ; ! i I i i i I i i
Page 26 and 27: I I I I I I I I I I i [ • i I I I
Page 28 and 29: I I I Heritage 15 HSSA WEWA (JAYA W
Page 30 and 31: I I I I I I I II I half of the nine
Page 32 and 33: I I I I Heritage ig
Page 34 and 35: 3 Population Profile Population Gro
Page 36 and 37: I I j I I I ; ; 1 I I ( I I I I I I
Page 38 and 39: I I I I I I I I I I I i I I I I I I
Page 40 and 41: I I I I I I I I I II • Ï I I I I
Page 42 and 43: I I I I I I I II I I 1 I I I I I I
Page 44 and 45: I I I Ii • I I I 1 j I I I I I I
Page 46 and 47: I I I I I I I I I j I I j • I I I
Page 48 and 49: I I I I I I I 1 I I I I ! I I I I I
Page 50 and 51: I I I I I I I I I I: i i i i i t i
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I I I I I I I 1 I Î I I I I I I I
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I I i i i i i i i i I i i i i i i i
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I I I I I I I i i 11 Water Supply a
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I I I I I I I I I I I I I I I I I I
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I I I I I I I I I I I j • I I I I
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I I I I I I I I I i ; I I i I i •
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I I I i ! ' 1 I i It I I I I I I I
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I I I I I I I I \ I t I ! I I I I 4
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I I I I I II : I I service ratio in
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I I I Economics 57 The Price Of Pol
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I I I I I 100 80 60 40 20 1972 1975
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120 100 80- 60 40- 20 Percentage Ec
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300 250 200- 150 100 so 0 111 280 2
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I I I I I I I I I I I r ; I I I i I
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I I I I I I II I I Ii 1 I ii I I I
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1 i i i i 1 Economies 5g
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I I I I I I I I I I I I I I I 1 •
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I I I ; ! ; I I I I I I I If : I I
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I I I I I I I I I !; • i I I I I
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I I I I I I I I I i ; ï I I I I l
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I I I I I I I I I I n I I I I I I I
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I I I I I I I I I I 1 I I I I r Ene
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I I I I I I I I I I I I I I |I 1 I
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I I I I I I I I I i É I 1 I Energy
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I I I I I I 1 I p 1 I I Paddy husk
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I I I I I I I I I I j 1 i I 1 I I I
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I I I I I I I I I I I I p II I ! I
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Total suspended particular (TSP) Ni
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I I I I I I I I i I I I I I I I Kar
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I I I I I I I I j I i ! I I s I 1
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I I I I I I I I I I I I I I I pi' U
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I I I I i : I I I I I I I I I I I I
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I i I M f. P Il j IM I ( •• r L
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Land Districts* 3 lowest yielding d
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I I I I I I I I I I I I I I Ii I I
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.,_~ Soil Group Reddish Brown Earth
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I suitability of the lands for majo
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Land FOREST GARDENS As Sri Lanka's
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I I I I I I I I I I I j I j I I I I
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I I I I Î I '. I I I II I Und 117
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I i : ! ; I I j ! ; • r i \ . ! I
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I I I I I I I! P I I I I I I I I YE
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I I I I I I I I I I j I I; I I I I
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I I I Ii ': I I ! I i . I I 1 I 1 I
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I I !I I I I I I I I I I I I I I I
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I I I I I I I I I I gradual emergen
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not be affected seriously during th
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References Abeysekera, W.A.T. (1986
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I I I II I I I [ ! I i i i r I I La
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7 Water Resources Historians studyi
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Water Resources 139 River Basins of
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I I I I l' ; I P r I I I i I I I I
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Water Resources 143 Secular Changes
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I I I I I I I I Water Resources Sur
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I I I I I i I I :Ij I I I I I 1 dev
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I I I I I I I II I Supply / Demand
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I I I I Î I. Î ' I[ IIf I I" I Ii
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I I I I I i ; I ir ': I I I I I I I
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Water Resources 155
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I I I I I I I With her small cities
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I I I Water I I I I k i i i Resourc
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I I Is • I I I I i I i; p I I ! I
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I I I I I I I I [ I I rii i i i i i
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I I I i ! i i i ! ! I I 1 I I I f W
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I I I Sewage pumping ^^^H 10000 ^^^
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Ground Water Ground water is increa
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I I nI I Some Constituents of Mahaw
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Water Resources 173 Ground Water Po
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Population per ha 50 100 250 Source
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I I I I j : I I I I I I i • I P I
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I p I I i I I I I Î Î National Aq
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I I I I I I I I I I IJ I I I I I I
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I I I I I i i i • Year R«. Milli
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I I I i i i i i i \ i i i i i i i i
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I I Ï Mineral n Resources 187 The
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m o 4 2 0 Thousand MT ! I 1fLU 1979
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I I Î . j I ! I I I I I I I I I Ye
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I I n i t i iI i i i f ! I I i I ft
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I 1 I i Mineral Resources
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I 9 Forest Resources Sri Lanka was
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Forest Resources 199 The Natural Hi
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Forest Forest Ownership 3-5- as Ove
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I r ri Forest Resources 203 Mean An
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I I H I I | " I I i t : i i continu
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Forest Resources 207 Forest Plantat
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! i H P ation, however, are regular
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Forest Fuelwood - Future Trends The
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I I Forest I Curtailing the Master
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I I I p I i I ! : i ! ' I : I • i
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Forests Grasslands Coastal and Mari
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I I I ; I I j I I I I I I I I Biolo
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I Ii • i • I I I Ii r 1. coasta
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Kottawa Kanneliya Source: Gunatille
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Out of Danger 1* Biological Diversi
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I I Biological I 1 P 800 years ago.
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I I I I I I I I I I i I 1 I I I I I
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I I I Biological Diversity dipteroc
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II I I 6 - Extent in Sq km (Thousan
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I I I I I I I I I I i i I i I i Kot
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I I I I I I I I I P I T 11 Coastal
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I i I ! I I I Ten Fishery harbors s
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I I i ! I ! i i I > I District Colo
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I 2500 2000- 1500- Value in Million
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Chllow Lagoon Neçombo 4 2 Lagoon K
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I i ! Coastal Resources 247 Coral M
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I I I I I I I I I j I I I I I I( I
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I [ I I I i ii I I I I I is sometim
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I I I I n I I [ ; I I I I I Coastal
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I I I I I it-' [j • i •- r i i
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I I I 257 i p i i i i i I 12 Inland
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I I r I H I ! Ir I : - I r • i ;!
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I I r ! I I I I I I I I I I I I dro
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I I I I I I j f j I I i I I I I f,
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I I r -• I I ri i I I I I I i i i
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I i ( • • > ( • j . I I I 1 I
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I II 1 I I I I I I sustainable use
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I ÏÏ n n Toward Sustainable Devel
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I I are already in use, paddy yield
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n the Puttalam aquaculture industry
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government agencies, including thos
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exists in the preparation of studie
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'V • (• • • Sponsored by th
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NATURAL RESOURCES OF SRI LANKA

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