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当前位置: 首页 > 文章 > 紫胶林-农田复合生态系统地表甲虫多样性——以云南绿春为例 昆虫学报 2009,52 (12) 1319-1327
Position: Home > Articles > Diversity of ground-dwelling beetles in lac-plantation-farmland ecosystem:a case study in Luchun,Yunnan,South-western China Acta Entomologica Sinica 2009,52 (12) 1319-1327

紫胶林-农田复合生态系统地表甲虫多样性——以云南绿春为例

作  者：
陈又清;李巧;王思铭
单  位：
西南林学院保护生物学学院;中国林业科学研究院资源昆虫研究所
关键词：
农林复合生态系统;紫胶林-农田复合生态系统;地表甲虫;物种多样性;物种丰富度;物种优势度;农业土地利用
摘  要：
为揭示紫胶林-农田复合生态系统地表甲虫多样性,于2006-2007年在云南省绿春县牛孔乡采用陷阱法调查了天然紫胶林、人工紫胶林和旱地的地表甲虫群落。共采集标本1678头,分别隶属于24科120种,其中步甲科(Carabidae)和金龟科(Scarabaeidae)种类最丰富,均占全部种类的12.50%。拟步甲科(Tenebrionidae)个体数量最丰富,占个体总数的64.48%;金龟科次之,占个体总数的17.58%。大多数科的物种数和个体数在不同土地利用生境中的分布没有显著差异,而步甲科、隐翅甲科(Staphylinidae)、叩甲科(Elateridae)、拟步甲科、瓢虫科(Coccinellidae)和小蠧科(Scolytidae)在不同土地利用生境中的分布有显著差异。天然紫胶林地表甲虫个体数量最少,物种较丰富,优势度最低,多样性最高;人工紫胶林个体数和物种数均丰富,优势度和多样性居中;旱地个体数量最多,物种最贫乏,优势度最高,多样性最低。种级水平的聚类分析体现出人工紫胶林与旱地之间在种类组成上距离较近;而科级水平的聚类反映出人工紫胶林和天然紫胶林更接近。结果提示,紫胶林-农田复合生态系统具有区域内土地利用方式多样化的特点;天然紫胶林在维持地表甲虫多样性水平上具有重要作用,而人工紫胶林虽具有积极作用,但仍需进一步恢复。
译  名：
Diversity of ground-dwelling beetles in lac-plantation-farmland ecosystem:a case study in Luchun,Yunnan,South-western China
作  者：
CHEN You-Qing 1, LI Qiao 2, WANG Si-Ming 1 (1. Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; 2. Faculty of Conservation Biology, Southwest Forestry College, Kunming 650224, China)
关键词：
Agroforestry ecosystem; lac-plantation-farmland ecosystem; ground-dwelling beetles; species diversity; species richness; species dominance; agricultural land uses
摘  要：
In order to get the basic information about ground-dwelling beetle and give some suggestions for the local biodiversity conservation, we investigated the ground-dwelling beetle assemblages by pitfall trapping in natural forest, plantation forest, and dry land in lac-plantation-farmland ecosystem in Luchun County, Yunnan Province, South-western China, during 2006-2007. In total, 1 678 specimens were collected, representing 120 species in 24 families of Coleoptera. Among these beetles, Carabidae and Scarabaeidae had the highest species richness, both comprising 12.50% of the total species observed. Tenebrionidae species had the highest abundance, comprising 64.48% of all ground-dwelling beetles; and the Scarabaeidae ranked the second in abundance, comprising 17.58%. Most families did not differ in both abundance and species richness across the three habitats sampled, while Carabidae, Staphylinidae, Elateridae, Tenebrionidae, Coccinellidae and Scolytidae differed in abundance or species richness. Among the plots, natural forest had the lowest abundance and dominance, richer species, and highest diversity; plantation forest had richer species and abundance, and moderate dominance and diversity; while dry land had the highest abundance and dominance, and the lowest species richness and diversity. Hierarchical clustering of ground-dwelling beetle assemblages at the species level showed that plantation forest was nearly to dry land in species composition. While at the family level, plantation forest was close to natural forest. These results suggest that the land-use in lac-plantation-farmland ecosystem is different and diverse; the natural forest plays the most important role in maintaining the beetle diversity, while the plantation forest plays the second important role, which needs further restoration.

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