103 kb in pdf format - cip-eseap
Study Sites in Zambales The study sites in Zambales is compose of two municipalities and four (4) barangays, namely: Botolan and San Marcelino and the barangays were Carael and Porac, Botolan and Nagbunga and Laoag, San Marcelino. Municipality of Botolan Botolan lies at the central part of Zambales. It is approximately 204 kilometers northwest of Manila and is accessible via Bataan-Olongapo-Gapan road and Masinloc- Santa Cruz-Pangasinan Road. One of the 13 municipalities of Zambales and a fourth class municipality, it has the biggest land area of 61,370 ha, 17% of the total land area of the province. Of the 33 barangays of Botolan, eleven (45% of the municipality’s land area) were buried under pyroclastic flow deposits. The rest of the barangays remained agricultural. As of the recent data available the total agricultural area of Botolan is 32,607 ha, 30,101 ha are rainfed and the rest are irrigated. The topography of the municipality ranged from level (0-3% slope) to very steep slopes. It has a potential for mining and quarrying. Serpentine stones were seen anywhere in barangays Poonbato and San Juan. Two district seasons operates wet season (May to October) and dry season (October to April). As of 1995 census, the total population of Botolan was 41, 084 with more male than female. The total number of household/families was 6441 Barangay Carael Carael has a total land area of 518 ha 50 ha of which were buried by lahar to a depth of 1.5 meters. Agricultural area totalled 325 ha, mostly irrigated. Commercial, industrial and institutional land uses occupy a total of 22 ha. Other land uses include pasture area (20 ha), mango orchard (11-28 ha) and agoho grove (5 ha). The barangay is located along the highway and is accessible through tricycles and jeepneys and by private vehicles. The land area is flat with soil type ranging from sandy loam to clay loam. The common species of crops grown are rice (PSB and IR varieties) both under rainfed and irrigated conditions, sweetpotato (45 days and Binicol) mango and cashew. Sweetpotato is grown in unirrigated areas. Carael has a total population of 2,689 composed of 460 families with average family size of six (6). There are more females (1454) than males (1,225). Economic establishments are very limited. Barangay Porac Porac has a total land area of 1,159 ha, 1000 ha of which are forested area and 58 ha agricultural. Entry to the barangay is through the National Highway, about 6 km away.
The terrain is generally hilly, with the agricultural areas located in lowland and valleys. Soil type ranged from sandy loam to clay loam. There are 351 households with an average family size of 6 making the total population to 1864. A 1:1 male to female ratio is observed. Municipality of San Marcelino San Marcelino is located in the eastern part of Zambales with a total land area of 44,092 ha. Only 5% of this total land area is agricultural, 80% is under forest and the others are residential, institutional and orchards (mango and cashew). Agricultural areas are concentrated in the flat areas. Soil type ranged from sandy loam to clay loam. Among the crops commonly planted were: rice, sweetpotato, green corn, cassava, yambean, gabi and vegetables. All the agricultural lands are affected both by ashfall and lahar with maximum depth of 4 meters. Population totalled 24,263 coming from 6552 households with 6,059 families. Economic establishments exists in the municipality to include sari-sari stores, restaurants, bakery, rice mill, tailoring, beauty parlor, repair shop, gasoline station and banks. Most of it not all are found in the town proper particularly the restaurants, gasoline station, bakery, beauty parlor, banks and repair shop. Within the town and barangay, accessibility are made possible by means of tricycles and passenger jeepneys. Postharvest facilities available are solar dryers, threshers, 4-wheel tractor and handtractors. Barangay Nagbunga One of the lahar affected barangays of San Marcelino, Zambales, it has a total land area of 569 ha, all of which were buried by lahar to a depth of 1.5 meters. Out of this total hectarage, only 90 ha are actually devoted to agriculture and wherein 87 ha are rainfed and only 3 ha irrigated. Residential and institutional land uses totalled to 385 ha while pasture lands totalled 89 ha and orchard 5.0 ha. So far the total area planted to sweetpotato was 12.5 ha involving 15 farmers. Nagbunga has a flat terrain with sandy loam texture. Crops grown were rice, sweetpotato, green corn, peanut, tomato and eggplant. Total population of Nagbunga was 893 with 1:1 female to male ratio. There were more than one family in a household as shown by 190 households having 193 families. Barangay Laoag Another barangay affected by lahar with a total land area of 457 ha to a depth of 4 meters is Laoag. Agricultural areas totalled 267 ha generally irrigated through shallow tube well pumps. The total irrigated area was 227 ha.