首页|Changing regularity of plant and insect community characteristics due to pest outbreaks in Larix principis-rupprechtii plantations
Changing regularity of plant and insect community characteristics due to pest outbreaks in Larix principis-rupprechtii plantations
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Changing regularity of plant and insect community characteristics due to pest outbreaks in Larix principis-rupprechtii plantations
Research has indicated that simple forest eco-system composition,structure and diversity have uncompli-cated community relationships and insufficient pest control capabilities.To investigate changing characteristics of plant and insect communities in under pest outbreaks in Larix principis-rupprechtii plantations,the research areas were defined as mature(48-50 years)and young(24-29 years)infested stands along with healthy stands.The results show a reduction in the complexity and diversity of plant communi-ties and herbaceous plant guilds(polycultures of beneficial plants)and the complexity and dominance of insect com-munities,especially natural insect enemies.The results also show the relative simplicity of the main factors of commu-nity change and development that represent the characteris-tics of pest outbreaks in L.principis-rupprechtii plantations.The complexity and diversity of plant communities,particu-larly herbaceous plant guilds play a fundamental role in the regulation and development in forest ecosystems.
Community characteristicsSpecies diversityEcology regulationPest outbreaksLarix principis-rupprechtii
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