Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New York

The questing behaviors of blacklegged ticks (<i>Ixodes scapularis</i>) are largely regulated by environmental factors such as temperature, humidity, and vegetation. While this relationship is relatively clear at the macro- and meso-spatial scales, it is inadequately examined at the micro...

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Main Authors: Chong Di, Brian Sulkow, Weigang Qiu, Shipeng Sun
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/13/20/11587
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author Chong Di
Brian Sulkow
Weigang Qiu
Shipeng Sun
author_facet Chong Di
Brian Sulkow
Weigang Qiu
Shipeng Sun
author_sort Chong Di
collection DOAJ
description The questing behaviors of blacklegged ticks (<i>Ixodes scapularis</i>) are largely regulated by environmental factors such as temperature, humidity, and vegetation. While this relationship is relatively clear at the macro- and meso-spatial scales, it is inadequately examined at the micro scale. Our field work in the New York City suburbs during 2017–2018 revealed significant local variations in the quantity of questing blacklegged ticks. The purpose of this study is to identify and test the environmental factors that impact the number of questing blacklegged ticks at the micro-spatial scale. In addition to the number of ticks, surface temperature, and relative humidity data collected in the field, geospatial technologies were leveraged to extract micro-scale spatial and environmental measures, including vegetation index, land cover, elevation, and ecotone, from high-resolution digital imagery and LiDAR data. Regression models were then built to identify the key factors that influence the spatiotemporal patterns of questing blacklegged ticks. The results largely align with the existing research but display characteristics of complexity such as multicollinearity, nonlinearity, and thresholds in relation to temperature, humidity, and vegetation composition at the micro scale, whereas mixed hardwood and dwarf shrubs tend to have higher numbers of questing ticks.
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spelling doaj.art-f20abd7a04d8400eb42928ec283ee64e2023-11-19T15:34:15ZengMDPI AGApplied Sciences2076-34172023-10-0113201158710.3390/app132011587Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New YorkChong Di0Brian Sulkow1Weigang Qiu2Shipeng Sun3Department of Civil and Environmental Engineering, Rutgers University, Piscataway, NJ 08854, USADepartment of Biological Sciences, Hunter College, The City University of New York, New York, NY 10065, USADepartment of Biological Sciences, Hunter College, The City University of New York, New York, NY 10065, USAGraduate Center, The City University of New York, New York, NY 10016, USAThe questing behaviors of blacklegged ticks (<i>Ixodes scapularis</i>) are largely regulated by environmental factors such as temperature, humidity, and vegetation. While this relationship is relatively clear at the macro- and meso-spatial scales, it is inadequately examined at the micro scale. Our field work in the New York City suburbs during 2017–2018 revealed significant local variations in the quantity of questing blacklegged ticks. The purpose of this study is to identify and test the environmental factors that impact the number of questing blacklegged ticks at the micro-spatial scale. In addition to the number of ticks, surface temperature, and relative humidity data collected in the field, geospatial technologies were leveraged to extract micro-scale spatial and environmental measures, including vegetation index, land cover, elevation, and ecotone, from high-resolution digital imagery and LiDAR data. Regression models were then built to identify the key factors that influence the spatiotemporal patterns of questing blacklegged ticks. The results largely align with the existing research but display characteristics of complexity such as multicollinearity, nonlinearity, and thresholds in relation to temperature, humidity, and vegetation composition at the micro scale, whereas mixed hardwood and dwarf shrubs tend to have higher numbers of questing ticks.https://www.mdpi.com/2076-3417/13/20/11587blacklegged ticksmicro-scale environmental factorstick questing activity
spellingShingle Chong Di
Brian Sulkow
Weigang Qiu
Shipeng Sun
Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New York
Applied Sciences
blacklegged ticks
micro-scale environmental factors
tick questing activity
title Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New York
title_full Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New York
title_fullStr Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New York
title_full_unstemmed Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New York
title_short Effects of Micro-Scale Environmental Factors on the Quantity of Questing Black-Legged Ticks in Suburban New York
title_sort effects of micro scale environmental factors on the quantity of questing black legged ticks in suburban new york
topic blacklegged ticks
micro-scale environmental factors
tick questing activity
url https://www.mdpi.com/2076-3417/13/20/11587
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