Coastal and Marine Resources
The marine resources include a coastline of about 513.2 kilometers (NAMRIA), stretching from the Municipality of Boston in the northeast up to the Municipality of Banaybanay in the south-west. The length of the Province’s coastline is about 3% of the total coastline of the country. It is one of the longest in the Philippines. Its territorial water is estimated at over 5,400 sq. kms, with coral reef and mangrove areas of over 340 and 1,820 hectares respectively. Of the marine resources, 15,000 hectares is suitable for seaweed farming. Mati, Baganga, Banaybanay, Lupon, and Tarragona are already involved in seaweed farming, but the aggregate area is just about 50 hectares. The tuna migratory route passes through Gen. Santos City in the south and goes all the way up to the Municipality of Gov. Generoso. Some of the fishing boats from Gen. Santos City and Davao City often find their way in the territorial waters of the 2nd District of Davao Oriental. Some even anchor at Pujada Bay The tuna migratory route passes through Gen. Santos City in the south and goes all the way up to the Municipality of Gov. Generoso. Some of the fishing boats from Gen. Santos City and Davao City often find their way in the territorial waters of the 2nd District of Davao Oriental. Some even anchor at Pujada Bay ¨The inland aquatic resources of the Province include lakes, rivers, and springs. The more important lakes are the Tinagong Dagat located at the boundaries of San Isidro, Governor Generoso and City of Mati, the Diomaboc and Catampa Lakes in Manay and Carolina Lake in Baganga. ¨Many of the larger rivers are located in the 1st District of the Province. Among the major rivers, the navigable ones are the Cateel River in Cateel, the Mahan-ub, and Dapnan Rivers in the Municipality of Baganga, Caraga and Manurigao Rivers in Caraga, Casauman River in Manay, and Quinonoan River located at the boundaries of Manay and Tarragona. ¨In the 2nd District, the more important rivers are those located in Mati and in Lupon. ¨The major rivers in Cateel, Baganga, and Caraga are viewed to be potentially viable for inland floating fish cages and taking into considerations the freshwater and brackish water areas of the Province, the potential area for freshwater fishery development is estimated to be over 1,350 hectares.
Davao Oriental has one of the longest coastlines of about 513.2 kilometers, stretching from the Municipality of Boston in the northeast up to the Municipality of Banaybanay in the south-west. The province is also situated near the tuna migratory route.
Inland Aquatic Resources
- The inland aquatic resources include lakes, rivers, and springs.
- Many of the larger rivers are located in the 1st District of the Province.
Davao Oriental has rich deposits of :
- Manganese ore
- Metallurgical chromite ore
- Nickel Ore
Priority watersheds are Cateel Watershed, Casauman Manay & Caraga River Cluster Watershed, Sumlog Watershed, and Western Pujada Peninsula Watershed. These priority watersheds are used for domestic purposes and for irrigation. Watersheds with critical condition are Baganga Watershed Reservation and Mati Watershed Forest Reservation.
- Baganga Watershed Reservation
- Cateel Watershed
- Casauman, Manay and Caraga River Cluster Watershed
- Baganga Dapnan River
- Caraga Watershed
- Mati Watershed Forest Reserve
- Sumlog Watershed
- Western Pujada Peninsula Watershed
- Dumagooc Cluster Watershed
- Mayo River Watershed
The province has 3 rainfall types:
Rainfall Type I – greater than 2,500 m.m. with slight dry season and moisture deficit, covering the Municipalities of Boston, part of Cateel, Baganga, and Caraga whose vegetative cover is greater than 50 percent close canopy.
Rainfall Type II – Intermediate – with rainfall of 1,500 – 2,500 m.m. with moderate dry season and moisture deficit. The Municipalities with rainfall Type II are part of Cateel, Baganga, Caraga, Manay, Tarragona, Mati, Lupon, and Banaybanay whose vegetative cover is less that 50% open canopy.
Rainfall Type III – dry with rainfall less than 1,500 m.m. with considerable dry season and moisture deficit. The municipalities with rainfall Type III are almost all parts of Mati, Banaybanay, Lupon, San Isidro and Gov. Generoso or the Gulf Towns. No tropical depression.
- short dry season and a pronounced rainy season
- average monthly rainfall of 3.5 inches
- average number of rainy days per year of 75 days
- no typhoon
- Davao Oriental has a total land area of 516,446 hectares ¨Forestland/Timberland which is called Public Land has a total area of 315,600 hectares which is 61% of the total area of the province.
- Alienable and disposable (A&D) with a total area of 200,846 hectares which is 39% of the total land area of the province.
- With the largest land area in the region, Davao Oriental has more A&D lands and forestlands compared to other provinces.
- A & D – 200,846 hectares
- Forestland – 315,600 hectares