Li Zhipeng, Zhang Xinyi, Zhao Jian, Chen Hong, Tian Maofen
Institute of Digital Agriculture, Fujian Academy of Agricultural Sciences Fuzhou China.
State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops, Institute of Applied Ecology Fujian Agriculture and Forestry University Fuzhou China.
Ecol Evol. 2024 Aug 13;14(8):e70180. doi: 10.1002/ece3.70180. eCollection 2024 Aug.
The Hemiptera insects are the largest incomplete metamorphosis insect group in Insecta and play a vital role in ecosystems and biodiversity. Previous studies on the spatial distribution of Hemiptera insects mainly focused on a specific region and insect, this study explored the spatial distribution characteristics of Hemiptera insects in China (national scale), and further clarified the dominant factors affecting their spatial distribution. We used spatial autocorrelation analysis, hot spot analysis, and standard ellipse to investigate the spatial distribution characteristics of Hemiptera insects in China. Furthermore, we used geographic detectors to identify the main factors affecting their spatial distribution under China's six agricultural natural divisions and explore the influencing mechanism of dominant factors. The results show that: (i) The spatial differentiation characteristics of Hemiptera insects in China are significant, and their distribution has obvious spatial agglomeration. The Hu Huanyong Line is an important dividing line for the spatial distribution of Hemiptera insects in China. From the city scale, the HH type (high-high cluster) is mainly distributed on both sides of the Hu Huanyong Line. (ii) The hot spots of Hemiptera insects are mainly distributed in southwest China, along the Qinling Mountains, the western side of the Wuyi Mountains, the Yinshan Mountains, the Liupanshan Mountains, the Xuefeng Mountains, the Nanling Mountains, and other mountainous areas. (iii) Under agricultural natural divisions, the influence of natural environmental factors on the spatial distribution of Hemiptera insects is obviously different. Temperature and precipitation are the dominant factors. Natural factors and socio-economic factors have formed a positive reinforcement interaction mode on the spatial distribution of Hemiptera insects. These can provide the decision-making basis for biodiversity conservation and efficient pest control.
半翅目昆虫是昆虫纲中最大的不完全变态昆虫类群，在生态系统和生物多样性中发挥着至关重要的作用。以往对半翅目昆虫空间分布的研究主要集中在特定区域和昆虫种类，本研究探讨了中国（全国尺度）半翅目昆虫的空间分布特征，并进一步阐明了影响其空间分布的主导因素。我们运用空间自相关分析、热点分析和标准椭圆法来研究中国半翅目昆虫的空间分布特征。此外，我们利用地理探测器在中国六大农业自然分区下识别影响其空间分布的主要因素，并探讨主导因素的影响机制。结果表明：（i）中国半翅目昆虫的空间分异特征显著，其分布具有明显的空间集聚性。胡焕庸线是中国半翅目昆虫空间分布的重要分界线。从城市尺度来看，HH型（高高聚类）主要分布在胡焕庸线两侧。（ii）半翅目昆虫的热点主要分布在中国西南部、沿秦岭、武夷山以西、阴山、六盘山、雪峰山、南岭等山区。（iii）在农业自然分区下，自然环境因素对半翅目昆虫空间分布的影响明显不同。温度和降水是主导因素。自然因素和社会经济因素在半翅目昆虫的空间分布上形成了正强化互动模式。这些可为生物多样性保护和害虫高效防治提供决策依据。
