Browsing Publications and Documents by Subject "lake"
Now showing items 1-3 of 3
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Environmental Problems of the Marine and Coastal Area of Sri Lanka: National Report - UNEP Regional Seas Reports and Studies No. 74
(1986)Regional Seas Reports and Studies by UNEP -
Gems-water operational guide
(UNEP, 1992)This is the third edition of GEMS/WATER Operational Guide -
Water quality assessments: a guide to the use of biota, sediments and water in ecosystems
(E&FN Spon, 1992)This guidebook concentrates on the process of setting on monitoring programmes for the purpose of providing a valid data base for water quality assessments.