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The concentric expansion of human population in Metro Manila affected the La Mesa Watershed. The recurring water shortage in Metro Manila has been the primary concern of the Metropolitan Waterworks and Sewerage System (MWSS) which was aggravated by the severe droughts starting in the late 1980’s. Also, the high percentage of losses through leaks, improper use of facilities, and thefts compounded the situation. Likewise, many of the unemployed flocked into the watershed converting a sizable area into croplands. Due to the inadequacy of watershed protection, the former natural forest cover dwindled resulting to the invasion of grass plant community types in La Mesa. |
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