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This web page contains relevant information from the
Ecosystems Research and Development Bureau (ERDB)
   Ecosystems Research and Development Bureau

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R & D Activities




ENR Technology for Transfer

T  E  C  H  N  O  L  O  G  I  E  S  :
1. Agri-Nipa-Aquaculture System (agrinipa_0001.pdf: 632KB)
It is a production and sustainable land use that combines fish production and planting of nipa and agricultural crops. This technology makes a coastal area productive. Vegetables and other crops, and fish from the pond be harvested in the area while waiting for the nipa to be harvested for making thatching materials or for sap production.
2. Aquasilviculture System (aquasilvi_0002.pdf: 747KB)
Aquasulviculture is a multi-use system that promotes a harmonious co-existence between fish and mangrove tree species in a semi-enclosed system while providing coastal protection and maintenance to the ecosystem. The mangrove species suitable for this sysem are Nypa fruticans, Rhizophora species, Ceriops species, and Avicennia species. The technology is expected to facilitate the restoration of the now abandoned/unproductive or denuded/open areas to their productive condition, contributing to the enhancement of the mangrove ecosystem.
3. Bamboo Propagation and Plantation Establishment (bamboo_0003.pdf: 926KB)
Bamboo has been tagged as the “green gold”. Bamboo products such as handicrafts and furniture are known not only in the Philippines but in other countries as well. Major commercial bamboo species, namely, kawayan-tinik, kawayan-kiling, bayog, and bolo can be propagated by culm cuttings. These may be planted directly in the plantation site or raised in the nursery for mass propagation.
4. Production of DENR Charcoal Briquettes from Agroforestry Wastes (charcoal_0004.pdf: 848KB)
Charcoal briquettes can be produced from wood and nonwood biomass wastes such as leaves, twigs, branches, coconut leaves, charcoal fines, and cellulosic wastes. They can lessen wood charcoal or fuelwood consumption of poultry farms, households, and domestic business. These briquettes can also be burnt clean and are safe to the environment.
5. Vegetative Propagation of Dipterocarps Using the Nonmist System (nonmist_0005.pdf: 627KB)
The use of cuttings to propagate dipterocarp species may yet be one of the cornerstone technologies to reforest, thereby recover genetic resources and cut through the dwindling supply of wood. The nonmist system can be considered as the most practical clonal propagation technique that is applicable to Philippine dipterocarps because it does not require water systems. Since most of the forest nurseries of the country are located far from established water system, the mistless system would best suit local conditions where water had still to be manually collected.
6. Gugo Production and Plantation Establishment (gugo_0006.pdf: 760KB)
Gugo (Entada phaleolosides), a popular forest vine, is primarily used as raw material in the production of gift items, housewares, baskets, and Christmas decors. The gugo bark extract is used for washing hair in the Philippines and in other Asian countries. The saponin content of the bark extract is used as ingredient for commercial tonics.
7. Malapapaya Seed Technology (malapapaya_0007.pdf: 753KB)
Malapapaya (Polyscias nodosa) is one of the lesser known indigenous species in the Philippines. It is a tall tree that grows to a maximum height if 25 m and a diameter of 50 cm. It grows best in open thickets and second-growth forests at low and medium altitudes. Malapapaya wood is primarily used for fancy woodwork, native wooden shoes, matchsticks, pencil slats, lollipop and popsicle sticks, ice cream spoons, boxes, crates, and food containers. It is also good material for plywood.
8. Medicinal Plant Propagation (medicinal_0008.pdf: 673KB)
Medicinal plants have long been used to prevent or cure common sickness. With the high cost of medicines nowadays and with the successful laboratory research on the use of medicinal plants, many people have shifted to the use of such plant species and their products that have been proven to cure certain ailments.
9. Tissue Culture of Bagras (tissuecltre_0009.pdf: 856KB)
Micropropagation is an alternative means if cloning superior forest tress using the tissue culture techniques. The technology can be used in the mass production of priority endemic species like Bagras. Bagras, one of the fastest growing trees, is an all-purpose wood. It can be used for pulpwood and can be processed into lumber or plywood.
10. Indigenous Endomycorrhizal Inoculant Production for Reforestation, Agroforestry and Coastal Rehabilitation (endomycorrhiza_0010.pdf: 575KB)
Inoculum production of indigenous endomycorrhizal species delves on the development of successful protocol for reproducing Philippine endomycorrhizal species from single isolate and testing for their growth-enhancing potential to selected tree species. The investigation will provide a cheap source of inocula for improved planting stock production in reforestation, agroforestry, and coastal rehabilitation.
11. Rattan Seedling Production and Plantation Establishment (rattan_0011.pdf: 666KB)
Philippine rattans are thorny climbing palms with supply golden canes. Rattan is a very important non-timber forest product to the cottage industries, and furniture and handicraft industries. The stems possess exceptional beauty with high strength-to-weight ratio making them highly versatile for the manufacture of various furniture and handicrafts products such as food trays, handbags and baskets.
12. Establishment and Management of Seed Production Areas of Acacia mangium and Eucalyptus urophylla (spa_0012.pdf: 754KB)
Seed production areas (SPAs) is basically a plantation with known origin or stand of natural forest that have been upgraded and managed as source of improved seeds and propagules.
13. Species-Site Compatibility Assessment (speciessite_0013.pdf: 822KB)
Species-site Compatibility Assessment is a computer-based technology that addresses the issues on low survival and poor growth of plantations due to inappropriate species-site matching, It specifically provides technical information on forest tree species, thus, reduces time and cost for species-site matching experiments. Species-Site Compatibility Assessment may be done by using statistical techniques that allow comparison of variables like tree age and spacing. This avoids costly failures due to incompatibility of the species planted with the prevailing site conditions.

DENR Publications

P  U  B  L  I  C  A  T  I  O  N  S  :
* Latest issues first.

Research Information Series on Ecosystems  (RISE)

*Note: You will need acrobat reader to view the '.pdf' files.
P  U  B  L  I  C  A  T  I  O  N  S  :
* Latest issues first.

Canopy International

S  U  B  S  C  R  I  P  T  I  O  N  :
  * Latest issues first.
Volume 32 No's. 1 to 6: A decade of R and D: an accountability; Paving new road for environment and natural resources conservation: ERDB in 1996; Conservation of the environment: 1997 R and D priority thrust; Continuing excellence in R and D in 1998; Enhancing the grassland and degraded areas ecosystems: R and D in 1999; ERDB in 2000: looking ahead into the new millennium; Quest for new knowledge and technology for environment conservation: R and D in 2001; ERDB in 2002: generating more technologies; Generating technologies and promoting policy advocacy: ERDB in 2003; Better technologies for better environment: more R and D accomplishments in 2004; Complementation of research and technology transfer: the ERDB experience in 2005; Farewell thoughts
Volume 29 No's. 1 to 3: 2003: International year of freshwater; Gummosis: a malapapaya disease; Multipurpose tree species plantation: a pilot demostration farm; Microfungal diversity: some ecological implications; The behavior of the Tabon bird in its natural habitat; Environmental transformation of volcanic ash-laden areas around Mr. Pinatubo; Rehabilitation of a degraded mangrove forest: a pilot demonstration
Volume 28 No's. 4 to 6: World Environment Day; Recycling paper: The case of the USED Paper Project in Region III; Pursuing and promoting endomycorrhizal R and D; Mangrove rehabilitation and management in Region VII; Ornamental bamboo production technology for livelihood in CAR; SPAs: Towards environmental and economic betterment in Region II; Potential eco-destinations in CAR; Earthwatch
Volume 28 No's. 2 and 3: Earth Day 2002; Malapapaya R and D: The experience of MP Wood Philippines cum ERDB; The indigenous bakuwog tree: Eradicator of the exotic golden snail; A better technique of outplanting gugo; Bamboo plantation and development project in La Union Province; Establishing ecotourism projects in the Philippines; Gubas technology for adoption in Region X; Earthwatch

F  R  E  E  :
Volume 28 No. 1 (v28n1.pdf: 595 KB): Hidden menace: Air pollution; Growing tiger grass under Benguet pine stand; Powdery mildew disease of dapdap and its control measures; What's this "rainforestation farming" strategy?; Tree domestication: The experience of ERDB cum VGL Farms; Growth behavior of selected rattan species; Sustainable management of Sampaloc Lake: Some policy issues; Earthwatch
Volume 27 No. 6 (v27n6.pdf: 592 KB): Women and Environment; Status of women in Gango gold rush area in Bukidnon; Gender analysis of the Refo-CHARMP; Participation of men and women in the Region I DENR charcoal program; Gender mainstreaming: Four cases of community-based ENR projects in Central Visayas; Solid waste management in communities along the riverside and coastal areas in Cagayan Province; Earthwatch

Volume 27 No. 5 (v27n5.pdf: 621 KB): Population outpaces environment; Saving the Philippine dipterocarps; The Philippine date palm: An endangered species; Wood decay of aroma; Bamboo propagation by seeds; The biosafety protocol: A complement to modern biotechnology; Status of Lumad women in Tambobong Davao City; Earthwatch
Volume 27 No. 4 (v27n4.pdf: 541 KB): Biodiversity: CI readers' No. 2 most clamored topic; Response of gugo to different potting media; Species-site compatibility software for forestation and tree plantation; Aquatic plants: Their benefits and uses; Revegetation of mined-out areas: The ACMDC case; Propagation of nito; Blending nature and culture in biodiversity conservation; Earthwatch
Volume 27 No. 3 (v27n3.pdf: 545 KB): Environment lead CI readers' most clamored topics; Status of biodiversity in Sagada, Mt. Province; Laguna Lake: Feasible source of potable water for Metro Manila residents; Towards comanagement of the Puerto Princesa Subterranean River National Park; Pesticide pollution: An emerging threat to the Manupali Watershed; Seedlings/planting materials: A nationwide supply and demand reality; Earthwatch
Volume 27 No. 2 (v27n2.pdf: 510 KB): Rethinking our values along environmental conservation; Geographical occurrence and distribution of pagsahingin and its floral associates; Seedlings/Planting materials: A nationwide supply and demand scenario; Participation of PAMB in protected area management; The mangroves of Bohol: An ecological destination; Solid wastes: Their potential hazard to inland waters; Mobilizing the youths along environmental concerns; Earthwatch
Volume 27 No. 1 (v27n1.pdf: 566 KB): Heeding nature's cry: R.A. 9147; Tikog weaving in a cave; Controlling soil erosion with vetiver grass; Cloning dipterocarps through nonmist technique; Trees in nonwood land: Potential for sustainable development; A cursory look on reforestation in the Philippines; Some notes on forest plantation development in the Philippines; Demand for herbal medicine in the Philippines; Ficus callosa: A promising species for livelihood; Earthwatch
Volume 26 No. 5 (v26n5.pdf: 538 KB): Saving the Manila Bay; Pollution endangers Manila Bay's seagrass beds; Phytoplankton in the Manila Bay waters: Their ecological and economic importance; The coral reefs of Manila Bay: Their alarming decline; Overfishing depletes fish population in the Manila Bay; Transboundary pollution in the seas of East Asia: A glimpse of the Manila Bay problem; Gone are the mangroves of the Manila Bay; Earthwatch; Wetlands of Manila Bay face rapid depletion; Pollution in the Manila Bay threatens shellfisheries
Volume 26 No. 4 (v26n4.pdf: 440 KB): Ecological solid waste management act; KASAMA: A success story on mangrove rehabilitation; Why the need for selected planting stocks for tree planting; Sclerotium rolfsii Sacc.: A soil-borne plant pathogen; Current practices on medicinal plants in the Philippines; Silviculture in watershed management; Earthwatch; Mangroves: Source of food and medicine
Volume 26 No. 2 (v26n2.pdf: 484 KB): Part II: Packaging and the environment; Corals and reef fishes in the San Salvador island marine sanctuary: An update; Inventory of the Benguet pine trees at Camp John Hay, Baguio City; The Dularuan molave forest: Its ecological importance to the coastal area of Puerto Galera; Sago tree: A versatile nontimber forest product; Additional true mangrove species; Earthwatch


P  U  B  L  I  C  A  T  I  O  N  S  :
* Latest issues first.

Procurement Watch

Library Acquisitions

Contact Information:

Ecosystems Research and Development Bureau
College, Laguna, Philippines  4031

Tel. Nos.: (63-49)5362269 or 5362229
Fax No.: 5362850

E-Mail: [email protected]


.Visit the following resources from
ChanRobles Virtual Law Library
Clean Air Act, Environment Code, Fisheries Code, Mining Act.


Chain Saw Act of 2002
Republic Act No. 9175

Philippine Plant Variety Protection Act of 2002
Republic Act No. 9168

Mt. Kanla-on Natural Park (MKNP) Act of 2001
Republic Act No. 9154

Wildlife Resources Conservation and Protection Act
Republic Act No. 9147

National Caves and Cave Resources Management and Protection Act
Republic Act No. 9072

Ecological Solid Waste Management Act of 2000
Republic Act No. 9003

Philippine Clean Air Act of 1999
Republic Act No. 8749

Implementing Rules & Regulations of the Philippine Clean Air Act of 1999

Philippine Fisheries Code of 1998
Republic Act No. 8550

Animal Welfare Act of 1998
Republic Act No. 8485

Agriculture & Fisheries Modernization Act of 1997
Republic Act No. 8435

The Indigenous Peoples Rights Act of 1997
Republic Act No. 8371

An Act for Salt Iodization Nationwide (ASIN)
Republic Act No. 8172

Coconut Preservation Act of 1995
Republic Act No. 8048

The Water Crisis Act of 1995
Republic Act No. 8041

Philippine Mining Act of 1995
Republic Act No. 7942

Amendment to the Agrarian Reform Code
Republic Act No. 7907

High-Value Crops Development Act of 1995
Republic Act No. 7900

Strategic Environmental Plan for Palawan Act
Republic Act No. 7611

National Integrated Protected Areas System Act of 1992
Republic Act No. 7586

Seed Industry Development Act of 1992
Republic Act No. 7308

Tax Laws Incorporated in the Revised Forestry Code
Republic Act No. 7161

People's Small-Scale Mining Act of 1991
Republic Act No. 7076

Toxic Substances & Hazardous & Nuclear Wastes Control Act of 1990
Republic Act No. 6969

Lanao del Sur National Parks
Republic Act No. 4190

National Water & Air Pollution Control Commission Act
Republic Act No. 3931

Prohibition Against Cutting of Trees in Public Roads, Plazas, etc.
Republic Act No. 3571

An Act Amending Section Thirty-Six of P. D. No. 705, Otherwise Known as "The Revised Forestry Code of the Philippines"
Batas Pambansa Bilang 701

An Act Amending R. A. No. 5474, As Amended by R. A. No. 6145 (Re: Prohibiting the Catching, Selling, Offering to Sell, Purchasing any of the Fish Species Called "Gobiidae" or "Ipon").
Batas Pambansa Bilang 58

Withdrawal of Lead in Gasoline
Presidential Decree No. 2001

Small-Scale Mining Law
Presidential Decree No. 1899

Amendment to the Revised Forestry Code
Presidential Decree No. 1775

Environmental Impact Statement System
Presidential Decree No. 1586

Plant Quarantine Law of 1978
Presidential Decree No. 1433

The Coral Resources Development & Conservation Decree
Presidential Decree No. 1219

Philippine Environment Code
Presidential Decree No. 1152

Philippine Environmental Policy
Presidential Decree No. 1151

The Water Code of the Philippines
Presidential Decree No. 1067

National Pollution Control Commission
Presidential Decree No. 984

Marine Pollution Decree of 1976
Presidential Decree No. 979

Code on Sanitation of the Philippines
Presidential Decree No. 856

Penalty for Improper Garbage Disposal
Presidential Decree No. 825

Revised Forestry Code of the Philippines
Presidential Decree No. 705

Philippine Fisheries Code of 1975
Presidential Decree No. 704

Revised Coast Guard Law
Presidential Decree No. 601

An Act to Reserve to the Philippine Legislature the Disposition of the Waters of the Public Domain for the Utilization and Development of Hydraulic Power.
Act No. 4062

The Fisheries Act 
Act No. 4003

An Act to Protect Wild Flowers and Plants in the Philippine Islands and to Prescribe Conditions Under Which They May be Collected, Kept, Sold, Exported, and for Other Purposes.
Act No. 3983

Prohibition Against Cutting of Tindalo, Akli & Molave Trees
Act No. 3572

Guidelines on Biological & Genetic Resources
Eexecutive Order No.  247 [1995]) - President Fidel V. Ramos

Task Force Pawikan
Executive Order No. 542 (President Ferdinand E. Marcos)

Environmental Impact Statement System - Areas/Types of Projects
Proclamation No. 2146

Subic Watershed Forest Reserve Law
Proclamation No. 926 (President Corazon C. Aquino)

Quezon National Park - Proc. No. 740|Proc. No. 594|Proc. No. 2

Preferential Treatment of Small Fisherfolks [15-km.Mun. Water]
DENR Administrative Order No. 03

Regulations for the Conservation of Marine Turtles
Bureau of Forest Development Circular No. 08



Reorganization Act of the DENR (E. O. 192 [1987])

Latest Issuances of the DENR

DENR-DILG-LGUs Partnership - Manual of Procedures


Environment Law Resources on the Web

Treaties & Conventions on the Environment

United Nations Agencies & Programs on Environment

National Laws on the Environment [Worldwide]

Environment Associations & Organizations Worldwide

Environment Publications Worldwide

Environment Discussion Groups Worldwide

Additional information on the Department of Enviroment and Natural Resources

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