详细信息
海南岛尖峰岭次生热带山地雨林树种间的联结动态 被引量:84
DYNAMICS OF ASSOCIATIONS BETWEEN TREE SPECIES IN A SECONDARY TROPICAL MONTANE RAIN FOREST AT JIANFENGLING ON HAINAN ISLAND
文献类型:期刊文献
中文题名:海南岛尖峰岭次生热带山地雨林树种间的联结动态
英文题名:DYNAMICS OF ASSOCIATIONS BETWEEN TREE SPECIES IN A SECONDARY TROPICAL MONTANE RAIN FOREST AT JIANFENGLING ON HAINAN ISLAND
作者:黄世能[1] 李意德[1] 骆土寿[1] 王伯荪[2]
第一作者:黄世能
机构:[1]中国林业科学研究院热带林业研究所;[2]中山大学生命科学学院
年份:2000
卷号:24
期号:5
起止页码:569-574
中文期刊名:植物生态学报
外文期刊名:ACTA PHYTOECOLOGICA SINICA
收录:CSTPCD;;Scopus;北大核心:【北大核心1996】;CSCD:【CSCD2011_2012】;
基金:国家自然科学基金![(82)科学基金生准字107号和3870500];国家自然科学基金重大项目!(9390011);国家自然科
语种:中文
中文关键词:热带山地雨林;种间联结中;次生演替;海南岛;树种
外文关键词:Tropical montane rain forest, Species association, Secondary succession, Hainan Island
分类号:S718.521.2;Q948.154
摘要:应用方差检验法和基于 2×2联列表的分析手段,对海南岛尖峰岭热带山地雨林采伐后 25~35年次生群 落 2400 m2固定样地中胸径≥7. 0 cm林木的种间联结动态进行了研究,结果如下:1)群落内的树种总体呈正联结, 但未达到显著水平。联结指数V界于1.00~1.21之间,接近无联结假设条件下的V值(V=1),证实了作者关于 “种的分布相对独立”的假说;2)种间联结的比例和强度随演替进程而下降,群落朝种间无联结方向发展的趋势较 为明显;3)群落早期建群种与后期入侵种种间没有负联结,两类树种之间有26%的种对呈正联结,但均不显著,说 明他们不仅可通过分割资源而和谐共处,而且更趋于独立存在。后期入侵种种间也不存在负联结,所有正联结(占 总种对数4.4%)均达到显著水平,表明他们对环境条件的要求和适应明显相似。
The pattern of association of tree (DBH>7. 0 cm) species was examined in forty-eight 10 m X 5 m permanent plots during 10 years of succession in a secondary-growth tropical montane rain forest at Jianfengling on Hainan lsland using the variance test and 2 X 2 contingency table methods. Field observations commenced in 1989 when the forest was 25 years old. Three hypothesies were tested concerning the dynamics of species interactions through succession and the following results were obtained. 1)The variance test reveals that all tree species in the forest showed a non-significant pattern of positive association. The observed index of species association (V) ranged from 1. 00 to 1. 21 (close to V= 1 under the null hypothesis of no association) over the 10 years of succession suggests that tree species were mostly independently distributed. 2) The proportion of species pairs showing positive and negative associations compared to those showing no associations declined with time. In addition, while the level of significance of negative associations remained unchanged, that of positive associations declined with time. 3) No negative associations were found between the early-established species (pioneer or canopy species) and the later invading species (tolerant or subcanopy species), or between the later invading species. All positive associations between the early-established species and the later invading species were not significant, while those between the later invading species were significant.
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