Keywords :
Phenology; Seasonal growth; Dry Dipterocarp Forest
บทคัดย่อ :
Observations were made of Icaf fall, flushing, flowering and fruiting periodicities of forest in undisturbed dry dipterocarp forest of Sakaerat during1975to 1976. A total of 230 stems representing 4 species were marked for continuous observation. Four main tree species (Shorca talura Roxb..Pentacme suavis A.DC., Quercus kerrii Craib and Sindora maritima Pierre) were fitted with vernier growth measuring tapes to determine monthly basal area growth. Peak of leaf fall (late February-March) was followed immediately by the intense leaf flushing (March) and peak of Howering (April).Fruit bearing trees could be found in all months, but fruiting peaks occurred in June and late August.A heavy fruit fall was observed in February-March. Monthly basal arca growth fluctuated considerably and was strongly influenced by rainfall. The growing period began in May-June and ended in December with maximal growth in September. Stem contraction could occur during the dry period.
เอกสารอ้างอิง :
Sukwong, S., Dhamanitayakul, P., & Pongumphai, S. (1975). Phenology and seasonal growth of dry dipterocarp forest tree species. Agriculture and Natural Resources, 9(2), 105-114.
