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评估实验设计以采样蚊子的样本.

Heloise Rozier1,2, Pierre Gloaguen3, François Septier3

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概括

优化蚊子监测是公共卫生的关键. 这项研究发现,虽然陷类型影响捕获的物种,但蚊子存在和丰度的年度趋势在采样持续时间中保持一致,指导有效的载体控制策略.

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科学领域:

  • 昆虫学 昆虫学是一门学科.
  • 公共卫生 公共卫生
  • 载体传播疾病生态学

背景情况:

  • 蚊子监测对于控制载体传播疾病和为公共卫生战略提供信息至关重要.
  • 实验设计显著影响蚊子数据收集的准确性和效率.
  • 捕捉蚊子和采样时间的研究不足的方面需要经验评估.

研究的目的:

  • 为了比较BG-Sentinel (BG) 和CDC光陷 (LT) 收集蚊子的全球效率.
  • 评估时间效率和采样持续时间对载体存在,丰度和生物多样性评估的影响.
  • 为了确定蚊子生物多样性调查的最佳场地访问频率.

主要方法:

  • 从2019年到2021年在柬埔寨10个省份部署BG-Sentinel和CDC的光陷.
  • 在为期三天的抽样期间,每24小时进行一次采集,从153种蚊子中获得181,798只蚊子.
  • 使用障碍通用线性混合模型进行统计分析,以评估陷偏好,时间效率和采样持续时间的影响.

主要成果:

  • BG-Sentinel陷更有效地捕获了人类爱好者载体 (例如,Aedes aegypti,Aedes albopictus),而CDC光陷捕获了更高的物种丰富性和动物爱好者载体.
  • 在为期三天的采样期间,六种主要载体物种的捕获效率从第一天下降到第三天.
  • 无论采样时间 (一天,两天或三天),蚊子存在和数量的年度趋势都保持一致.

结论:

  • 陷的选择应与具体的研究目标保持一致,考虑目标物种 (人类爱好者与动物爱好者) 和所需的指标 (丰度与物种丰富).
  • 虽然短期捕获效率可能有所不同,但更长的采样时间不会影响检测蚊子存在和丰度的年度趋势.
  • 为了优化生物多样性调查设计,了解随着采样力度的增加而发现新物种的减少至关重要.