科尔沁丘陵草甸草原蝗虫群落特征与植被的关系

白鸿岩; 孙嵬; 类成平; 刘超; 姚亚林; 李馨玥; 张天竞; 丛斌; 董辉; 钱海涛

doi:10.11829/j.issn.1001-0629.2014-0086

科尔沁丘陵草甸草原蝗虫群落特征与植被的关系

1.
沈阳农业大学植物保护学院, 辽宁沈阳 110161
2.
吉林省农业科学院植物保护研究所农业部东北作物有害生物综合治理重点实验室, 吉林公主岭 136100

基金项目:

公益性行业(农业)科研专项项目(201003079)

摘要: 近年来, 科尔沁丘陵草甸草原发生周期性、大面积、高密度的蝗虫灾害, 威胁着该区畜牧业的发展。本研究对该草原类型4类植被样地[样地Ⅰ:贝加尔针茅(Stipa baicalensis)+羽茅(Achnatherum sibiricum)群落;样地Ⅱ:中华糙隐子草(Cleistogenes chinensis)+兴安胡枝子(Lespedeza daurica)群落;样地Ⅲ:蓖齿蒿(Artemisia pectinatal)群落;样地Ⅳ:糙隐子草(C. squarrosa)群落]的植物群落、蝗虫群落及二者之间的关系进行了分析。结果表明, 不同样地间的植物群落丰富度、多样性和均匀度指数差异显著(P＜0.05);蝗虫群落丰富度、多样性和均匀度指数差异不显著(P0.05);4类样地中蝗虫群落与植物群落相关参数之间的相关性表现各异:样地Ⅱ蝗虫群落多样性与植物群落多样性呈负相关但不显著(P0.05), 样地Ⅰ和Ⅲ蝗虫群落多样性与植物群落多样性呈正相关但不显著(P0.05), 样地Ⅳ蝗虫群落多样性与植物群落多样性呈显著正相关(P0.05)。植物群落所构成的栖境条件以及蝗虫自身生物学特点影响或决定蝗虫的分布与发生;蝗虫对栖境选择的多样性反映了蝗虫具有较强适应能力及蝗虫与植被的协同作用。

关键词:

English

Relationship between grasshopper community and vegetation in hilly meadow steppe of Horqin

1.
College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China
2.
Institute of Plant Protection, Jilin Academy of Agricultural Sciences, Key Laboratory of Integrated Pest Management on Crops in Northeast, Ministry of Agriculture, Gongzhuling 136100, China

Received Date: 2014-02-24
Publish Date: 2014-12-14

Abstract: In recent years, high density grasshopper disaster within larger area occurred periodically in hilly meadow steppe of Horqin which bring severe damages and threat to the development of local animal husbandry. The plant community, grasshopper community and the correlation between them in four typical grassland plots (plotⅠ: Stipa baicalensis+Achnatherum sibiricum community; plotⅡ: Cleistogenes chinensis+Lespedeza daurica community; plotⅢ: Artemisia pectinatal community; plotⅣ: C. squarrosa community) were investigated in hilly meadow steppe of Horqin. The results showed that there were significant different (P＜0.05) for the richness index, diversity index and evenness index of plant community in four grassland plots, however, there was no significant difference for these 3 indices of grasshopper community. The correlation between different indices from plant community and grasshopper community performed differently in four grassland plots. Grasshopper community diversity and plant community diversity negatively correlated (P0.05) with each other in plot Ⅱ, however, they positively correlated (P0.05) with each other in plot Ⅰ and Ⅲ, and significantly positively correlated (P0.05) with each other in plot Ⅳ. The occurrence and distribution of grasshopper were affected or determined by the habitat condition consists of plant community and the biological characteristics of grasshopper. Habitat selection diversity of grasshopper reflected strong adaption of grasshopper and synergy between grasshopper and plant.

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参考文献(24)

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科尔沁丘陵草甸草原蝗虫群落特征与植被的关系

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Relationship between grasshopper community and vegetation in hilly meadow steppe of Horqin

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