Percy E. Sajise

Details

Dr. Percy E. Sajise is recognized of his pioneering works and contributions in the field of ecology which are considered as breakthrough in providing solutions to pressing environmental problems like reforestation, shifting cultivation, soil erosion and pollution earned for him the rare distinction of being the foremost ecologist in the Philippines and one of the very few in Asia recognized by the scientific circles the world over.

Sex: Male

Education:

    • Uninersity of the Philippines at Los Ba?os, College, Laguna, BS Agriculture, 1963
    • Cornell, Univ., PhD Plant Ecology, 1972

Field of Specialization:

Agriculture, Plant Ecology, Agronomy

    • Sajise, P.E. Orlido, N.M., (1972) Cogon as a seral stage on Philippine vegetational succession.
    • Philippine Biota Volume 6, No. (4):
    • Sajise, P.E., (1972) Evaluation of cogon (Imperata cylindrica (L.) Beauv.) as a seral stage in Philippinne vegetational succession II. An ecological studies on cogon.
    • Cornell University (PhD. in Plant Ecology)
    • Sajise, P.E. Musgrave, R.B., (1973) Field measurement s of net carbon dioxide exchange on cogon (Imperata cylindrica (L.) Besuv.)
    • Philippine Agriculturist Volume 56, No. (5-6):
    • Sajise, P.E. Palis, R.K. Lales, J.S., (1974) Biology of Chromolena Odorata I. Pattern of growth, flowering behavior, and nitrate metabolism.
    • Philippine Weed Science Bulletin Volume 50
    • Sajise, P.E., (1974) Philippine grassland management in an ecological context
    • Philippinne Biota Volume 8(3)
    • Sajise, P.E. Orlido, N.. Castillo, L.C. Lales, J.S., (1974) Studies on the genus Themeda.
    • Kalikasan, Journal of Biology Volume 3, No. (1)
    • Sajise, P.E. Lales, J.S., (1975) Allelopathy in a mixture of cogon (Imperata cylindrica) and Sylosanthes guyanensis.
    • Kalikasan, Journal of Biology Volume 4, No. (2):
    • Sajise, P.E., (1975) Ecology in the Philippine setting: issues and challenges.
    • Philippine Geographical Journal Volume 19, No. (2):
    • Sajise, P.E., (1975) Ecology of grassland in Southeast Asia.
    • Proc., ASEAN Workshop on Tropical Pastures and Fodder Crops, UPLB
    • Sajise, P.E. Orlido, N.M. Castillo, J.S. Lales, J.S. Atabay, R.C., (1976) Ecology of Philippine grassland I. Floristic compostion and community dynamics.
    • Philippine Agriculturist Volume 59, No. (9-10):
    • Tupas, G.L. Sajise, P.E., (1976) Mycorrhizal associations in some savanna and reforestattion trees.
    • Kalikasan, Philippine Journal of Biology Volume 5, No. (2):
    • Sajise, P.E. Lales, J.S., (1976) Response of white lauan (Pantacae contorta (Vidal) Merr. Rolfe) to different light environments.
    • Pterocarpus Volume 2, No. (1):
    • Sajise, P.E., (1977) Management of rangeland resources in the Philippines.
    • Proc., National Conference on Environmental Management, NEPC, Pasay City. Ja 5-6, 1977
    • Sajise, P.E., (1977) Study of how cogon quickly dominates a pasture.
    • NSDB-UP Research Illustrated Volume 2(4)
    • Cuevas, V. Sajise, P.E., (1978) Litterfall and leaf litter decomposition in a Philippine secondary forest.
    • Kalikasan, Philippine Journal of Biology Volume 7, No. (2):
    • Tupas, G.L. Sajise, P.E., (1978) Role of savanna trees in plant succession. I. Ecological conditions associated with tree clumps.
    • Kalikasan, Philippine Journal of Biology Volume 6, No. (3):
    • Tupas, G.L. Sajise, P.E., (1978) Role of savanna trees in plant succession. II. Response of some reforestation species to ecological condtionsin a savannah ecoystem.
    • Philippine Journal of Science Volume 107, No. (1-2):
    • Sajise, P.E., (1978) Soil conservation and ecosystem management.
    • Proc., PCARR National Seminar-Workshop on Soil Conservation, Los Ba?os, Laguna
    • Sajise, P.E., (1978) Upland resource development in integrated rural development.
    • Proc., International Workshop on Agroforestry for Rural Development, Thailand
    • Sajise, P.E., (1979) Upland community : some ecological considerations.
    • PCARR Monitor
    • Sajise, P.E., (1980) Alang-alang (Imperata cylindrica (L.) Beauv.) and upland agriculture .
    • Biotrop Special Publication , No. (5):
    • Sajise, P.E., (1980) Environmental education in the Philippines.
    • Proc., UNESCO Regional Conference on Environmental Education, Bangkok, Thailand
    • Sajise, P.E., (1980) Our degrading upland and what we can do about it.
    • Proc., Ugnayan ng Agham ng Pangtao (UGAT) Conference, San Carlos University, Cebu City.
    • Sajise, P.E., (1981) Upland technology for the future.
    • PCARR Monitor Volume 8, No. (2);
    • Galinato, M.I. Sajise, P.E., (1981) Ecological survey of the weed flora in the major root crop areas in the Philippines.
    • Annals of Tropical Research
    • Sajise, P. E, (1980) Grassland degeneration strategy for small upland farmers
    • Professional Lecture, Department of Botany, College Laguna
    • Sajise, P. E. Gregorio, L., (1980) Secondary level biology curriculum in the Philippines: environmental and genetic orientation
    • Unesco Regional Workshop on Biology Education in Asia
    • Sajise, P. E, (1980) Upland habitat: some ecological consideration and issues in human settlement planning
    • 2nd Annual Public Conference
    • Sajise, P. E, (1980) Upland technology for the future
    • Modern Agriculture and Industry of Asia Volume 8(2)
    • Sajise, P. E, (1980) UPLB program on environmental science and resource management
    • 3rd UPLB Policy Workshop, Institute of Plants
    • Sajise, P. E, (1981) Conservation ethic as a conscience of Philippine society
    • Lecture Given to Philippine Orchid Society
    • Sajise, P. E, (1981) Environmental education and it's transfer: the Philippine experience
    • Regional Conference on Environmental Education in ASEAN Universities and it's Transfer
    • Sajise, P. E Mendoza, R. B. Jr., (1981) Linkage mechanism as a strategy for interdisciplinary workP; the PESAM experience
    • NFAC Countryside Action Program Review, Nasugbo, Batangas
    • Sajise, P. E, (1981) Model for evaluating competition of cogon (Imperata cylindrica (L) Beauv): its implication in reforestation
    • SEARCA Professorial Chair Lecture, UPLB College of Arts and Science, Dept. of Botany
    • Sajise, P. E, (1981) Social responsibilities of a scientict in the context of Philippine society
    • UPLB Social Sciences Dept., Entomology Lecture Hall
    • Sajise, P. E, (1981) Some facets of upland development in the Philippines
    • Seminar Forum, DLSU, Manila
    • Sajise, P. E, (1981) Strategies for transdisciplinary research on natural resources management: the case of the UPLB upland hydroecology program
    • Working Paper, EAPI, Honolulu, Hawaii
    • Sajise, P. E Baguinon, N. T., (1982) Upland development: a critical resource management issue
    • Regional Workshop on Ecological Basis for Rational Resource Utilization in Humid Tropics, UPM, Sudang, Malaysia
    • Sajise, P.E., (1984) Can productivity be sustained in the tropics.
    • Philippine Journal of Crop Science Volume (1)
    • Sajise, P.E., (1997) Biodiversity for national survival
    • Research Management Components (Special Issue) Volume 12

Awards:

    • MS/PhD Degree Fellowship, UPCO Graduate Education Program, 1967-1972
    • Biotrop Fellowship on Forest Ecology, Indonesia, Biotrop, 1972
    • Plaque of Appreciation, UPLB Botany Dept., 1975
    • Technical Staff Citation, Regional training on Tropical Ecology anf Environmental Management, 1974
    • Outstanding Young Scientist Award (Ecology), NAST, 1982