Abstract
The spatial patterns of field arthropod communities are an essential part of ecology and can provide fundamental data regarding field ecological processes and reveal the mechanism of ecosystem biodiversity maintenance. This study investigated the spatial distribution pattern of field insect communities to detect the spatial relationships between insect communities in farmland. The study site was located at the Dehui Agro-ecological Experimental Station of Black Soil, Jilin, China. Insect communities and environmental factors were sampled at 121 uniformly distributed points in a 400 × 400 m plot in August, September, and October 2015. The analysis revealed that insect communities from June to October demonstrated significant spatial correlation, and 6085 samples of 47 species and 47 families in 11 orders were collected from the insect community in the farmland. The farmland insect community structure changes and dynamic changes of nutritional function groups occur with time. According to the 400 x 400 m plot, the diversity of farmland insect communities and functional groups is maintained at a relatively high and stable level. In this study, a total of 6085 samples of corn farmland insects were obtained using the fluke method and direct observation method, including 11 orders, 26 families and 47 species, 4 absolute dominant populations, 6 main dominant populations, and 37 other populations. These studies can provide help for pest control in the spring corn area of Northeast China.
Highlights
Structure and composition are important characteristics of arthropod communities
The abundance and diversity of arthropods are related to the types, structural complexity, geographic location, and environmental heterogeneity of host plants
To understand the occurrence law and mechanism of farmland pests more comprehensively, we systematically investigate and analyze the structure and dynamics of the arthropod community
Summary
Structure and composition are important characteristics of arthropod communities. Mendenhall et al (2014) reflected the changes of the arthropod community over time and the effect of the interaction between the plant community and arthropod community [1].
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