| 000 | 007090000a22002290004500 | ||
|---|---|---|---|
| 999 |
_c70124 _d70124 |
||
| 020 | _a9559185039 | ||
| 041 | _aeng | ||
| 080 |
_a630*11 _bF5 |
||
| 942 | _cBK | ||
| 100 | _aFinlayson, W. | ||
| 245 | _aTrees and forests in the upper Mahaweli catchment : their effect on water yields and sedimentation | ||
| 260 |
_aColombo _bMahaweli Authority of Sri Lanka _c1998 |
||
| 300 | _a27p.: ill.(col.) | ||
| 505 | _aNature conservation | ||
| 505 | _aForest hydrology | ||
| 505 | _aDo forests bring rain? | ||
| 505 | _aDo forests waste water? | ||
| 505 | _aSoil erosion | ||
| 505 | _aSedimentation of reservoirs | ||
| 650 |
_aFORESTS AND FORESTRY-SRI LANKA _92744 |
||
| 650 |
_aFOREST INFLUENCES _92824 |
||