Environmental Fluctuation and Biodynamics in the Monsoon Asia

我们建立了一个数据库，用个别研究人员制作的没有标准化的时间序列数据来制定时间序列。根据马来西亚沙捞越Lambir Hills国家公园的气象资料和植物物候(开花、结果)资料，建立了四年中每两个月观测一次的植物约500株和诱灯捕捉昆虫的资料，用谱分析、因子分析等方法对其季节性和周期性进行分析。特别是，我们开发了确定气候因素来解释结果和开花现象的方案。结果，我们发现厄尔尼诺南方涛动引起的干旱可以触发东南亚地区没有季节性降雨和温度波动的龙脑果林中的许多树木开花。

We set up a Data Base with formulated time-series data which have been made by individual researchers without standardization. We formulated the time-series of meteorological data which were obtained in Lambir Hills National Park, Sarawak, Malaysia, and the data on plant phenology (flushing, flowering and fruiting) with ca.500 individuals of plants observed bimonthly and those'on insect catch by light-trap monthly during four years, to analyze the seasonality and periodicity by spectrum analysis, factor analysis and so on. Especially, we developed the protocol to determine the climatic factors to explain the fruiting and flowering phenomena. As the result, we discovered that the dry spell caused by El Nino Southern Oscillation can trigger the flowering of many trees in the dipterocarp forest in South-east Asia where no seasonal rainfall and fluctuation of temperature are detected.