广西英罗湾红海榄和木榄两种红树群落小气候的初步研究(简报)

PRELIMINARY STUDIES ON MICROCLIMATE OF TWO MANGROVE COMMUNITIES IN YINGLUO BAY OF GUANGXI

对广西莫罗湾红海榄和木榄两种红树群落内及空旷地气象要素的对比研究表明，红海榄和木榄两种群７月份３天内的日平均光照强度分别比空旷地（３６４２１ １ｘ）减少８１．９％和４９．８％；平均土温分别低１．８℃和２．３℃；平均风速分别降低６４．７％和６７．７％。红海榄群落内气温和相对湿度的日较差比空旷地和木榄群落内显著增大。

The meteorological factors in two mangrove communities (Rhizophora stylosacommunity and Bruguiera gymnorrhiza community) and open area were compared in July of1997 in Yingluo bay of Guangxi Province. The results showed that the daily mean lightintensity of Rhizophora stylosa and Braruiera gymnorrhra communities were lower by 81.9%and 49.8% respectively as compared to that of the open area. The mean soil temperatureand mean wind speed were lower by 1.8℃ and 2.3℃, and by 64.7% and 67.7%,respectively. Daily change in air temperature and relative humidity in Rhizophora stylosacommunity were larger than those in Braruiera gymnorrhiza community and open area.