| 不同滩面高程和光照条件下白骨壤幼苗的早期生长差异 |
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| 引用本文： | 胡倩芳,叶勇. 不同滩面高程和光照条件下白骨壤幼苗的早期生长差异[J]. 福建林业科技, 2009, 36(1) |
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| 作者姓名： | 胡倩芳 叶勇 |
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| 作者单位： | 厦门大学近海海洋环境科学国家重点实验室,福建,厦门,361005 |
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| 基金项目： | 教育部新世纪优秀人才计划和国家自然科学基金 |
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| 摘 要： | 对厦门杏林曾营海岸低、中、高3个高程(分别为厦零3.35 m、3.74 m和4.15 m)滩面上红树人工幼林林内、林外自然生长的白骨壤2月龄幼苗的生长状况进行对比分析。结果表明:在林外,中高程滩面上的白骨壤幼苗单叶面积、基径、茎高、叶生物量、茎生物量和总生物量均最大;低高程滩面上叶片较厚,肉质化程度高,叶片数最多;3个高程的根生物量差异不显著。在林内,不同高程间幼苗生长差异主要体现在叶片和茎高,低、中高程之间差异不大,但比高高程的叶片厚,肉质化程度高,叶片数多。除茎高外,林外3个高程的其它指标都明显高于林内。光照对幼苗生长的影响大于高程的影响。综合分析结果表明,厦门海域白骨壤红树林生态恢复的适宜高程为厦零3.74 m(相当于本研究的中高程样地),且白骨壤为不耐阴植物,人工造林时,应为后代幼苗的自然更新预留空间。
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| 关 键 词： | 红树林 白骨壤 高程 光照 自然生长 |
Differences in Growth of Avicennia marina Seedlings under Different Tidal Elevations and Light Conditions in Early Period |
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| HU Qian-fang,YE Yong. Differences in Growth of Avicennia marina Seedlings under Different Tidal Elevations and Light Conditions in Early Period[J]. Journal of Fujian Forestry Science and Technology, 2009, 36(1) |
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| Authors: | HU Qian-fang YE Yong |
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| Affiliation: | HU Qian-fang,YE Yong(State Key Laboratory of Offshore Marine Environmental Science,Xiamen University,Xiamen 361005,Fujian,China) |
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| Abstract: | The growth of 2-months-old Avicennia marina seedlings were compared and analysed in and out of young mangrove plantation on the beaches with 3 tidal elevations(Xialin3.35,3.74 and 4.15m)in Zenghai,Xinlin,Xiamen.The results showed that the single leaf area,stem basal diameter,stem height,leaf biomass,stem biomass and total biomass of A.marina seedlings were biggest on middle and high tidal elevations outside the forest.The leaf was thick on low tidal elevation,carnification degree was high,the leaf number wa... |
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| Keywords: | mangrove Avicennia marina elevation illumination natural growth |
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