| 南澳岛植被恢复过程中不同阶段土壤的变化 |
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| 引用本文： | 周厚诚,任海,向言词,彭少麟,李萍.南澳岛植被恢复过程中不同阶段土壤的变化[J].热带地理,2001,21(2):104-107,112. |
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| 作者姓名： | 周厚诚 任海 向言词 彭少麟 李萍 |
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| 作者单位： | 1. 广东省海洋资源研究发展中心,
2. 中国科学院华南植物研究所, |
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| 基金项目： | 广东省自然科学基金 ( 980 489，970 65 6)，国家自然科学基金重大项目 ( 3 98993 70 )，中国科学院重大项目 (KZ95 1-B1-110 )，中 |
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| 摘 要： | 采用时空互代法研究南澳岛植被恢复过程中不同阶段土壤变化，在植被恢复的过程中，该岛土壤pH值按退化草坡→人工林→次生林的顺序呈现出逐步降低的趋势，土壤全氮含量、速效磷和交换性K、Ca、Mg都随植被从草坡向次生林恢复过程而呈现逐步增加的趋势，虽然草坡10cm土壤有机质比10年龄的人工林群落2种群落3高，但却比群4、群落5、群落和群落8低，植被恢复过程中凋落物贮量也增加，其趋势同土壤养分增加是一致的，南澳岛在植被恢复过程中土壤结构和营养得到改善，而这又会促进植被恢复，同大陆相比，海岛土壤的交换性K、Ca、Mg含量较高，这可能同海岛特殊生境有关。
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| 关 键 词： | 植被恢复 土壤养分 南澳岛 退化草坡人工林 次生林 全氮含量 |
| 文章编号： | 1001-5221(2001)02-0104-04 |
THE CHANGE OF SOIL IN THE
PROCESS OF VEGETATION RESTORATION IN NANAO ISLAND,GUANGDONG |
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| ZHOU Hou-cheng,REN Hai,XIANG Yanci,PENG Shanlin,LI Ping.THE CHANGE OF SOIL IN THE
PROCESS OF VEGETATION RESTORATION IN NANAO ISLAND,GUANGDONG[J].Tropical Geography,2001,21(2):104-107,112. |
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| Authors: | ZHOU Hou-cheng REN Hai XIANG Yanci PENG Shanlin LI Ping |
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| Institution: | ZHOU Hou cheng 1,REN Hai 2,XIANG Yanci 2,PENG Shanlin 2,LI Ping 1 |
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| Abstract: | Using the method of temporal-spatial substitution, the research on the soil development during the vegetation restoration in Nan'ao Island was conducted. During vegetation restoration in the order of degraded grassland→artificial forests→secondary forests, the pH value of soil was decreasing gradually, while the soil total nitrogen, available phosphorus and exchangeable Ca, K, Mg were increasing gradually. Due to the quick decay of the grass litter, the soil organic matter in degraded grassland was higher than that in 10 year-old artificial forest communities 2 and 3,but lower than that in communities 4, 5 and 8. The trend of increase of soil nutrient was similar to that of the amount of litterfall. Due to the different conditions, the exchangeable Ca、K、Mg in the soil of the island were much higher than those of the mainland. The amelioration of the soil would in turn promote the vegetation restoration in the island. |
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