Author:
Gregory Nichar,Fernandez Maria P.,Diuk-Wasser Maria
Abstract
Abstract
Background
The incidence of tick-borne disease has increased dramatically in recent decades, with urban areas increasingly recognized as high-risk environments for exposure to infected ticks. Green spaces may play a key role in facilitating the invasion of ticks, hosts and pathogens into residential areas, particularly where they connect residential yards with larger natural areas (e.g. parks). However, the factors mediating tick distribution across heterogeneous urban landscapes remain poorly characterized.
Methods
Using generalized linear models in a multimodel inference framework, we determined the residential yard- and local landscape-level features associated with the presence of three tick species of current and growing public health importance in residential yards across Staten Island, a borough of New York City, in the state of New York, USA.
Results
The amount and configuration of canopy cover immediately surrounding residential yards was found to strongly predict the presence of Ixodes scapularis and Amblyomma americanum, but not that of Haemaphysalis longicornis. Within yards, we found a protective effect of fencing against I. scapularis and A. americanum, but not against H. longicornis. For all species, the presence of log and brush piles strongly increased the odds of finding ticks in yards.
Conclusions
The results highlight a considerable risk of tick exposure in residential yards in Staten Island and identify both yard- and landscape-level features associated with their distribution. In particular, the significance of log and brush piles for all three species supports recommendations for yard management as a means of reducing contact with ticks.
Graphical Abstract
Funder
National Science Foundation's Coupled Natural Human Systems 2/Dynamics of Integrated Socio-Environmental Systems
Centers for Disease Control and Prevention
Northeast Regional Center for Excellence in Vector Borne Diseases
Publisher
Springer Science and Business Media LLC
Subject
Infectious Diseases,Parasitology
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