Leaf phenology of trees in the humid tropical mountains.

1996年至1998年在马来西亚婆罗洲岛沙巴州沙巴公园的基纳巴卢山进行了林木叶物候及相关研究。叶片物候学涉及叶片出现和落叶的时间、叶片出苗模式、叶片寿命、常绿和落叶。在初步模拟中，我们首先预测这座山上的所有树木都是常绿的，但树叶的寿命要么较短，要么超过一年。在山地森林中进行的研究表明，这些预测是正确的。叶片寿命短于1年的常绿树种有高海拔悬钩子、长叶树、无花果等。在中等海拔和低海拔地区，马卡朗干草和白背木霉。观察到了红叶和连续出叶的模式。表现出平展格局的树种有新铁杉、杜鹃、栎树、杜鹃、杜鹃等，连续成叶的树种有苦杏树、悬钩子等。不同树种一年内出叶的时间不同。据观察，许多树木在3月份左右的中度干旱期间长出了叶子。

Researches on leaf phenology of forest trees and related subjects were carried Out On Mt.Kinabalu, Sabah Parks, Sabah, Borneo Island, Malaysia from 1996 to 1998. Leaf phenology involves timing of leaf appearance and leaf fall, leaf emergence pattern, leaf longevity and evergreenness and deciduousness. In a preliminary simulation, we first predicted that all trees on this mountain is evergreen but leaf longevity is either shorter or longer than 1 year. These predictions were revealed to be true by the researches carried out in the mountaneous forests. Evergreen trees which have shorter leaf longevity than 1 year were, for example, Rubus lineatus on high altitude, Macaranga rostrata and Ficus spp. on mid altitude and Macarangagigantea and M.hypoleucain low altitude. Flush and successive leaf emergence patterns were observed. Tree species which showed flush pattern were for example, Neolitsea spp, Rhododendron spp, Castanopsis spp, Quercus spp, Eugeneaspp, and tree species whish showed successive leafing were Macarangaspp, Rubus spp and others. Timing of leaf emergence within a year was various among species. Many trees were observed to emerge their leaves during a period of moderate drought around March.