Long-term effects of management intensity and bioclimatic variables on leatherjacket (Tipula paludosa Meigen) populations at farm scale

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY Journal of Applied Entomology Pub Date : 2024-03-01 DOI:10.1111/jen.13245
Aisling Moffat, Lorna Cole, Seán Lacey, Billy Harrison, Agnieszka Konkolewska, Davy McCracken, Andy K. Evans, Michael T. Gaffney, Fiona Brennan, Gail E. Jackson, Louise McNamara
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Abstract

Leatherjackets (Tipula spp.) are soil-dwelling pests associated with agriculture. Land management decisions made at farm scale can have subsequent effects on their populations. Between 1980 and 2020, surveys were conducted across Scotland to collect field histories and larval population data from grassland farms. To assess the impact of management and bioclimatic factors on leatherjacket occurrence over time, this study investigated data from fields continuously sampled between 2009 and 2018. We utilized a Generalized Linear Mixed-Effect Model on a dataset of 61 fields on 19 farms. Results indicated three significant factors affecting larval populations; field size, grazing type and application of insecticides or herbicides (referred to collectively as pesticides). Larval populations were significantly lower in fields that were larger in size and under sheep grazing, compared to no grazing. Pesticide application also caused a significant reduction in larval populations. Management variables were amalgamated to create a Management Intensity Index, revealing significantly increased larval populations under low-management systems. These results, coupled with significant effects of bioclimatic variables, pinpoint predictive signals for high infestations and potential routes for control strategies.

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管理强度和生物气候变量对农场尺度上皮夹克(Tipula paludosa Meigen)种群的长期影响
革履虫(Tipula spp.)是与农业相关的土栖害虫。农场规模的土地管理决策会对其种群产生后续影响。1980 年至 2020 年期间,我们在苏格兰各地进行了调查,收集草地农场的田间历史和幼虫数量数据。为了评估管理和生物气候因素对革甲虫发生的长期影响,本研究调查了 2009 年至 2018 年间连续采样的田间数据。我们对 19 个农场的 61 块田地数据集采用了广义线性混合效应模型。结果表明,影响幼虫数量的三个重要因素是:田地面积、放牧类型和杀虫剂或除草剂(统称为杀虫剂)的施用。与不放牧相比,面积较大且放牧绵羊的田地中幼虫数量明显较少。施用杀虫剂也导致幼虫数量明显减少。将管理变量合并后得出了管理强度指数,结果显示,在低管理制度下,幼虫数量明显增加。这些结果,加上生物气候变量的显著影响,准确地指出了高虫害的预测信号和潜在的控制策略路线。
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来源期刊
CiteScore
3.40
自引率
5.30%
发文量
132
审稿时长
6 months
期刊介绍: The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.
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