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Shift in the spatial and temporal distribution of Aedes taeniorhynchus following environmental and local developments in St. Johns County, Florida
Wetlands Ecology and Management ( IF 1.6 ) Pub Date : 2021-07-11 , DOI: 10.1007/s11273-021-09816-6
Whitney A. Qualls 1 , Madeline R. Steck 1 , James R. Weaver 1 , Rui-de Xue 1 , Mohamed F. Sallam 2, 3 , Yong Zhang 4
Affiliation  

The Anastasia Mosquito Control District (AMCD) of St. Johns County (SJC), St. Augustine, Florida, USA, was formed in 1948 to cover the 27 km2 of Anastasia Island and control the black salt marsh mosquito, Aedes taeniorhynchus (Wiedemann). Today AMCD covers the entirety of SJC (1588 km2) and Ae. taeniorhynchus is still the most abundant mosquito species in the county. Here we present the findings from 16 years’ worth of surveillance records of AMCD mosquito populations in conjunction with annual land-use land-cover (LULC) change and climate data to better understand how environmental factors have impacted SJC Ae. taeniorhynchus populations in recent history. The statistical regression and geospatial analyses demonstrated the presence of spatial and temporal clusters of Ae. taeniorhynchus populations in terms of abundance and distribution. Additionally, Ae. taeniorhynchus abundance and distribution were significantly influenced by the annual changes of LULC and climate variables. The linear regression analysis using standard least square and corrected Akaike Information Criterion revealed a migration of mangrove swamps and saltwater marshes that corresponded to a southern shift in the spatial–temporal distribution of Ae. taeniorhynchus communities. This was confirmed by the significant change in LULC characteristics between three representative years (2004, 2009, 2014) and the redistribution of Ae. taeniorhynchus abundances represented by Moran’s I index values. The annual values of four climate variables (average and minimum temperature, mean dew point, and maximum vapor pressure deficit) and three LULC types (mangrove swamps, saltwater pools within saltmarshes, and upland nonforested) significantly predicted annual abundance and redistribution of Ae. taeniorhynchus.



中文翻译:

佛罗里达州圣约翰斯县环境和当地发展后伊蚊的时空分布变化

圣约翰斯县(SJC),圣奥古斯丁,美国佛罗里达州的阿纳斯塔西蚊子控制区(AMCD),成立于1948年,以覆盖27公里2阿纳斯塔西娅岛和控制黑盐沼蚊,伊蚊taeniorhynchus(威德曼)。今天,AMCD 覆盖了整个 SJC (1588 km 2 ) 和Ae。taeniorhynchus仍然是该县最丰富的蚊种。在这里,我们结合年度土地利用土地覆盖 (LULC) 变化和气候数据展示了 16 年 AMCD 蚊子种群监测记录的结果,以更好地了解环境因素如何影响 SJC Ae。绦虫近代历史上的人口。统计回归和地理空间分析证明了Ae的空间和时间集群的存在taeniorhynchus种群的丰度和分布。此外,Ae。taeniorhynchus 的丰度和分布受LULC和气候变量的年度变化的显着影响。使用标准最小二乘法和校正 Akaike 信息准则的线性回归分析揭示了红树林沼泽和咸水沼泽的迁移,这与Ae时空分布的南移相对应。绦虫社区。三个代表性年份(2004、2009、2014)和Ae的重新分布之间 LULC 特征的显着变化证实了这一点由 Moran's I 指数值表示的taeniorhynchus丰度。四个气候变量(平均和最低温度、平均露点和最大蒸汽压差)和三种 LULC 类型(红树林沼泽、盐沼内的咸水池和无林高地)的年值显着预测了Ae 的年丰度和再分布taeniorhynchus

更新日期:2021-07-12
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