QUEZON CITY, Feb. 9 (PIA) -- In celebration of the World Wetlands Day, the Pasig River Rehabilitation Commission (PRRC) conducted an “Urban Wetlands Appreciation and Site Inspection” in various tributaries (esteros) in Manila last Wednesday, 7 February 2018.
Representatives from partner agencies, Philippine Information Agency NCR, Maynilad Water Services, Inc., Manila Water, DENR, and students from Bulacan State University joined the PRRC to boost their awareness and appreciation on the importance of wetlands in an urban setting.
PRRC spearheaded in 2017 the installation and introduction of floating wetlands systems in key urban areas within Metro Manila's waterways that are draining to the Pasig River.
Two of tributaries that has been rehabilitated by the PRRC are the Estero de Concordia and Estero de San Miguel in Manila. They were also converted into linear parks together with the help of partner private companies and government agencies. In the process of rehabilitation, the PRRC was able to claim 3-meter easement to prevent proliferation of wastes from the informal settlers into the waterways.
Another well-known wetland in Metro Manila is the Las Piñas-Parañaque Critical Habitat and Eco-Tourism Area (LPPCHEA), a 175 hectare ecosystem located at South of Manila Bay which is also a sanctuary of both endemic and migratory birds.
The PRRC has scheduled more similar events for this year to strengthen the advocacy on environment protection and preservation especially Metro Manila. A study proved that urban wetlands make cities more liveable in various ways as it reduce flooding, replenish drinking water, filter waste, provide urban green spaces, and it is also a source of livelihood.
There are various types of wetlands. Floating Wetlands are rafts that contain phytoremediating plants that absorb water pollutants. There are two types of wetlands: the Trap Type and Edge Type Wetlands.
Trap Type Wetlands are installed aligned with the bridges. It is usually L-shaped rafts that help in trapping the garbage that pass through the waterway preventing them from spreading even more, which makes the garbage easier to get collected.
The Edge Type Wetlands are installed beside the esteros to filter the wastewater from canals, houses, and streets before it goes through the bridge.
The plants used in the floating wetlands also function as insect repellents, help improve the water quality, lessen the foul odor in esteros, and serve as indicators of water acidity. Some of the plants that can be found in wetlands are: Tanglad (Lemon Grass), Umbrella Plant, Vetiver, and Bandera Española.
World Wetlands Day is celebrated every year on 2nd of February to raise global awareness about the value of wetlands for humanity and the planet. (PIA-NCR/EPC/MAPA)
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