| 摘要: |
| 通过对广州市森林公园（天鹿湖、大夫山、滴水岩、王子山、石门）的常绿阔叶林土壤全碳、
全氮、全磷、全铁、全钾、pH 进行测定，分析土壤养分分布特征。研究发现：（1）土壤全碳、全钾含量
与森林到城市中心的距离均呈显著正相关（P<0.05），全铁与距离为显著负相关；（2）土壤全碳、全磷和
全钾含量在不同森林公园间均差异显著，但全氮（P=0.09）、全铁（P=0.07）和pH（P=0.347）在不同公
园间差异不显著；（3）森林土壤的全铁含量与全磷具有正相关，但与全碳、全氮、全钾呈负相关。结果
表明：城市化背景下，森林公园常绿阔叶林土壤的营养元素含量存在差异，碳和钾含量随着公园离市中
心的距离增加而减少。 |
| 关键词: 森林公园 常绿阔叶林 土壤养分 |
| DOI： |
| 分类号: |
| 基金项目:广东省科技创新战略专项资金项目——“攀登计划”专项（pdjh2021b0399），广州市科技计划（201804010159），广州大 学大学生创新训练项目（201911078023）。 |
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| Soil Nutrients in Evergreen Broadleaved Forest of Suburban Forest Parks in Guangzhou |
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LIN Yuan, LIANG Yuan, CHEN Liuyu, XU Qingyi, CHEN Xiaomei
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School of Geographical Sciences and Remote Sensing,Guangzhou University
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| Abstract: |
| Soil samples were collected from five evergreen broad-leaved forests in Guangzhou forest parks
(Tianluhu, Dafushan, Dishuiyan, Wangzishan and Shimen) to analyzed the characteristic of soil nutrients including the contents of total carbon (TC), total nitrogen (TN), total phosphorus (TP), total iron (Fe), total potassium (TK) and pH range (pH). The results showed:(1) Soil TC and TK contents were significantly positively correlated with the distance from sampling sites to the city center (P < 0.05), whereas soil Fe content was negatively correlated with the distance. (2) the contents of TC, TP and TK were significantly different among sites, but soil TN (P=0.09) and total Fe contents (P=0.07) were not significantly different among sites. (3) The total Fe content in urban forest soil was positively correlated with that of TP, but negatively correlated with that of TC, TN and TK. The results suggest that urbanization could alter soil nutrient contents of evergreen broad-leaved forests in forest parks; especially, both the TC and TK contents significantly decreased with the distance away from the city center. |
| Key words: forest park evergreen broadleaved forest soil nutrients |
