人工生境条件下几种红树植物的净初级生产力比较研究

应用生态学报 ›› 2005, Vol. 16 ›› Issue (8): 1383-1388.

• 研究论文 • 下一篇

人工生境条件下几种红树植物的净初级生产力比较研究

彭友贵^1,2, 陈桂珠¹, 武鹏飞¹, 缪绅裕³, 殷敏¹, 佘忠明⁴

1. 中山大学环境科学与工程学院, 广州 510275;
2. 西南林学院, 昆明 650224;
3. 广州大学生物与化学工程学院, 广州 510032;
4. 深圳海上田园旅游发展有限公司, 深圳 518104

收稿日期:2004-09-04 修回日期:2005-02-02 出版日期:2005-08-15 发布日期:2005-08-15
通讯作者: 陈桂珠,E-mail:chenguizhu@yeah.net
基金资助:
国家"863"计划资助项目(2003AA627030).

Net primary productivity of several mangrove species under controlled habitats

PENG Yougui^1,2, CHEN Guizhu¹, WU Pengfei¹, MIAO Shenyu³, YIN Min¹, SHE Zhongming ⁴

1. School of Environmental Science and Engineering, Zhongshan University, Guangzhou 510275, China;
2. Southwest Forestry College, Kunming 650224, China;
3. School of Biology and Chemistry Engineering, Guangzhou University, Guangzhou 510032, China;
4. Shenzhen Waterlands Tourism Development Ltd., Shenzhen 518104, China

Received:2004-09-04 Revised:2005-02-02 Online:2005-08-15 Published:2005-08-15

摘要/Abstract

摘要： 选择3种红树植物海桑(Sonneratia caseolaris)、秋茄(Kandelia candel)和桐花树(Aegiceras corniculatum),每种分别按45%、30%和15%的面积比例种植于滩涂海水养殖塘.种植后连续2年对红树植物进行生态监测.结果表明,海桑增高457.0cm,基径增加86.1mm,成活率92.9%;桐花树高、基径分别增长2.1cm和36.5mm,成活率93.9%;秋茄成活率44.7%,增高20.4cm、基径增加2.4mm,说明在不受自然潮汐影响的人工生境条件下,海桑和桐花树对环境的适应能力强,生长较好,秋茄的生长适应性较差.据不同时期树高、基径与干、枝、叶、根的生物量,求得植物各器官生物量与树高、基径的回归方程,分析了3种红树植物的生物量与净初级生产力.海桑单位面积生物量5597.8g·m^-2,桐花树962.5g·m^-2,秋茄66.0g·m^-2.生物量在植物各器官的分配按大小排序,海桑为树干＞树枝＞树根＞树叶;桐花树为树叶＞树枝＞树干＞树根;秋茄为树干＞树根＞树叶＞树枝.单位面积净初级生产力海桑为7051.5g·m^-2,桐花树1105.8g·m^-2,秋茄93.0g·m^-2.高生产力伴随高归还量,凋落物归还量占净初级生产力的比重为海桑20.5%、桐花树15.4%、秋茄7.%.

关键词: 红树林, 生物量, 净初级生产力

Abstract: Three mangrove species Sonneratia caseolaris,Kandelia candel and Aegiceras corniculatum were planted in different fishponds in April 2002 with three planting-breeding area proportions of 4555,3070 and 1585,respectively,and the growth of test mangrove plants were surveyed during 2 years after planting.The results showed that Aegiceras corniculatum and A.comiculatum could grow well in the coupling system,while K.candel could not.The survival percentage of Aegiceras corniculatum,K.candel and A.corniculatum was 92.9%,93.9% and 44.7%,respectively.During the 2 years,the height of Aegiceras corniculatum increased 457.0 cm,and its basal diameter increased from 12.6 mm to 98.7 mm.A.corniculatum had an increment of 26.1 cm in height and 36.5 mm in basal diameter,while K.candel only had an increment of 20.4 cm in height and 26.4 mm in basal diameter.Based on the height,basal diameter,and biomass of trunk,branch,leaf and root,regressive equations of the four organs' biomass were obtained,and the whole biomass of standing trees in the coupling system was calculated.The average biomass of Aegiceras corniculatum was 5 597.8 g穖^-2 in April 2004,being increased 5 559.5 g穖^-2 in 2 years.At the same period,the standing biomass of A.corniculatum and K.candel was 962.5 g穖^-2 and 66.0 g穖^-2,with an increase of 932.7 g穖^-2 and 57.0 g穖^-2,respectively.The biomass of plant organs was in the order of stem > branch > root > leaf for Aegiceras corniculatum,leaf > branch > stem > root for A.corniculatum,and stem > root > leaf > branch for K.candel.The litter fall production of mangrove plants in 2 years was 1 149.2 g穖^-2,170.8 g穖^-2 and 7.1 g穖^-2 for Aegiceras corniculatum,A.corniculatum and K.candel,respectively.Leaf litter took up more than half of the whole litter fall.From April 2002 to April 2004,the net primary production of Aegiceras corniculatum,A.corniculatum and K.candel was 7 048.9 g穖^-2,1 105.9 g穖^-2 and 93.0 g穖^-2,respectively.The litter fall production occupied 20.5% of the net primary production for Aegiceras corniculatum,15.4% for A.corniculatum,and 7.6% for K.candel,which meant that high productivity was accompanied by high return rate.

Key words: Mangrove, Biomass, Net primary productivity

中图分类号:

彭友贵, 陈桂珠, 武鹏飞, 缪绅裕, 殷敏, 佘忠明. 人工生境条件下几种红树植物的净初级生产力比较研究[J]. 应用生态学报, 2005, 16(8): 1383-1388.

PENG Yougui, CHEN Guizhu, WU Pengfei, MIAO Shenyu, YIN Min, SHE Zhongming . Net primary productivity of several mangrove species under controlled habitats[J]. Chinese Journal of Applied Ecology, 2005, 16(8): 1383-1388.

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人工生境条件下几种红树植物的净初级生产力比较研究

Net primary productivity of several mangrove species under controlled habitats

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