| 成都市温江区城市绿地不同植物配置下中小型土壤动物群落特征 |
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| 作者姓名： | 黄玉梅 黄胜岚 张健 刘盼 张凯 王若然 熊茜 |
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| 作者单位： | 1. 四川农业大学风景园林学院, 成都 611130;
2. 四川农业大学林学院, 成都 611130 |
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| 基金项目： | 国家自然科学基金（31370628）、四川省教育厅重点项目（16ZA0031）和四川景观与游憩研究中心项目（JGYQ201428）资助 |
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| 摘 要： | 土壤动物参与自然界的物质循环和能量流动，是土壤肥力的生物学指标之一。研究城市绿地土壤动物群落特征对于客观、全面评价城市绿地生态功能具有重要意义。采用干湿漏斗法对温江区城市绿地4种植物配置下中小型土壤动物的群落特征进行研究。结果如下：4种植物配置共获得中小型土壤动物20 600只，分属19目45科；伪垫刃科和小杆总科为4种植物配置的优势类群；春夏秋3季中小型土壤动物的类群数和个体密度均以草坪高于其他3种植物配置方式，而秋末到整个冬季则以乔-灌-草最高；各种植物配置下，中小型土壤动物个体密度具显著差异（F=3.23，P<0.05），中小型土壤动物优势度指数C及均匀性指数J具极显著差异（F=7.48，P<0.01；F=6.13，P<0.01）；各种植物配置下，中小型土壤动物各功能团的类群数和个体数均为腐食性 > 捕食性 > 植食性 > 杂食性，蜱螨目与弹尾目数量比随时间表现出不同的规律，冬、春季起伏较大，夏、秋季相对平稳。研究表明，城市绿地生态系统中，气候和植物配置是影响土壤动物群落结构的重要因素。在水热条件较差的冬季，复杂的植物配置提供了更丰富的食物和更多样的生境，往往具有更高的土壤动物多样性。
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| 关 键 词： | 城市绿地 植物配置 土壤动物 季节动态 |
| 收稿时间： | 2016-10-19 |
| 修稿时间： | 2017-02-16 |
Characteristics of meso-micro soil fauna community under different plant configurations of urban green land in Wenjiang District of Chengdu City |
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| Authors: | HUANG Yumei HUANG Shenglan ZHANG Jian LIU Pan ZHANG Kai WANG Ruoran XIONG Xi |
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| Institution: | 1. College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China;
2. College of Forestry, Sichuan Agricultural University, Chengdu 611130, China |
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| Abstract: | An investigation on meso-micro soil fauna community structure was carried out under 4 plant configurations of urban green lands in Wenjiang District of Chengdu City. A total of 20 600 individuals of meso-micro soil fauna were obtained in different green lands, belonging to 19 orders and 45 families. Nothotylenchidae and Rhabditoidea were the dominant groups under 4 plant configurations. The number of groups and individual density of meso-micro soil fauna under lawn were higher than under the other 3 plant configurations in spring, summer, and autumn, while from autumn to winter they were higher under tree-shrub-grass land than under the other 3 plant configurations. The individual density of meso-micro soil fauna showed significant differences (F=3.23,P<0.05) among different plant configurations, and the C and J indexes of meso-micro soil fauna showed highly significant differences (F=7.48,P<0.01 for C;F=6.13,P<0.01 for J). The rank of groups and individual quantities of meso-micro soil fauna was saprozoie > predators > phytophage > omnivorous. The ratio of Acarina number to Collembola number changed with time, and it fluctuated more in winter and spring. |
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| Keywords: | urban green land plant configurations soil fauna seasonal dynamics |
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