Habitat Suitability Model for the Distribution of<i>Ixodes scapularis</i>(Acari: Ixodidae) in Minnesota

Johnson, Tammi L.; Bjork, Jenna; Neitzel, David F.; Dorr, Frances M.; Schiffman, Elizabeth; Eisen, Rebecca J.

doi:10.1093/jme/tjw008

Cited by 51 publications

(42 citation statements)

References 47 publications

(87 reference statements)

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“…The variables which had the greatest influence on the model for R. decoloratus were altitude, precipitation of the wettest month, annual precipitation, mean temperature of the driest quarter and precipitation seasonality. Variability in temperature and precipitation has been observed to drive the distribution of other Ixodidae tick species studied (Hahn et al, 2016, James et al, 2015, Johnson et al, 2016. Annual mean NDVI seemed not to influence the occurrence of R. decoloratus despite its being considered a proxy for water availability which is key to the survival of ticks.…”

Section: Discussionmentioning

confidence: 95%

Modelling the distribution of Rhipicephalus microplus and R. decoloratus in Zimbabwe

Sungirai

Moyo

Clercq

et al. 2018

Veterinary Parasitology: Regional Studies and Reports

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Species distribution modelling is a very useful tool in vector management. Ticks are vectors of various pathogens which cause serious problems in livestock production in tropical countries. They have a high dispersal potential which is mainly facilitated by the movement of animals from one area to another. In light of the observed geographic expansion of Rhipicephalus microplus in Zimbabwe, we used species distribution modelling techniques to identify areas which may provide suitable habitats for the occurrence of this invasive tick species as well as the autochthonous Rhipicephalus decoloratus. Our results suggest that, despite the geographic expansion of R. microplus, climate will continue to be a limiting factor for the further expansion of this tick species. We expect its distribution to be restricted to the most favourable areas in the eastern and northern parts. The greater part of Zimbabwe is suitable for R. decoloratus, although in areas where R. microplus occurs, displacement of the former by the latter will be expected to occur. A heterogeneous climate, unregulated movement of cattle and episodic droughts are suggested to be possible factors for the continued existence of R. microplus and R. decoloratus in Zimbabwe and the partial displacement.

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Section: Discussionmentioning

confidence: 95%

Modelling the distribution of Rhipicephalus microplus and R. decoloratus in Zimbabwe

Sungirai

Moyo

Clercq

et al. 2018

Veterinary Parasitology: Regional Studies and Reports

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“…Localities with suitable habitat largely determine whether this tick can expand its range. In Minnesota, for example, the majority of the more suitable habitats for I. scapularis establishment are areas dominated by cool temperate forests, areas representing 19% of the state [ 39 ]. I. scapularis may become established in other less suitable habitats, e.g., temperate shrublands.…”

Section: Selected North American Ticks and Range Expansionmentioning

confidence: 99%

Range Expansion of Tick Disease Vectors in North America: Implications for Spread of Tick-Borne Disease

Sonenshine

2018

IJERPH

359

261

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Ticks are the major vectors of most disease-causing agents to humans, companion animals and wildlife. Moreover, ticks transmit a greater variety of pathogenic agents than any other blood-feeding arthropod. Ticks have been expanding their geographic ranges in recent decades largely due to climate change. Furthermore, tick populations in many areas of their past and even newly established localities have increased in abundance. These dynamic changes present new and increasing severe public health threats to humans, livestock and companion animals in areas where they were previously unknown or were considered to be of minor importance. Here in this review, the geographic status of four representative tick species are discussed in relation to these public health concerns, namely, the American dog tick, Dermacentor variabilis, the lone star tick, Amblyomma americanum, the Gulf Coast Tick, Amblyomma maculatum and the black-legged tick, Ixodes scapularis. Both biotic and abiotic factors that may influence future range expansion and successful colony formation in new habitats are discussed.

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“…I used a Jackknife procedure to assess the contribution of each variable to model prediction. This procedure was replicated 10 times (Johnson et al, 2016;Miller et al, 2012). The best fit model was judged using the area under the receiver operating characteristic (ROC) curve (AUC; Jiang et al, 2016).…”

Section: Ecological Niche Modelingmentioning

confidence: 99%

Bioclimatic and altitudinal variables influence the potential distribution of canine parvovirus type 2 worldwide

Jiang

2018

Ecology and Evolution

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Canine parvovirus type 2 (CPV‐2) is extremely contagious and causes high rate of morbidity to many wild carnivores. It has three variants (CPV‐2a, CPV‐2b, and CPV‐2c) that are distributed worldwide with different frequencies and levels of genetic and antigenic variability. The disease poses a threat to the healthy survival and reproduction of wildlife. The research on the relationship between CPV‐2 epidemic and environmental variables is lacking. To fill this research gap, we used maximum entropy (MaxEnt) approach with principal component analysis (PCA) to evaluate the relation between CPV‐2 and environmental variables and to create a world risk map for this disease. According to the PCA results, 18 environmental variables were selected from 68 variables for subsequent analyses. MaxEnt showed that annual mean temperature, isothermality, altitude, November precipitation, maximum temperature of warmest month, and precipitation of warmest quarter were the six most important variables associated with CPV‐2 distribution, with a total of 77.7% percent contribution. The risk of this disease between 18°N and 47°N was high, especially in the east of China and the United States. These results support further prediction of risk factors for this virus to help secure the health and sustainable survival of wild carnivores.

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Habitat Suitability Model for the Distribution ofIxodes scapularis(Acari: Ixodidae) in Minnesota

Cited by 51 publications

References 47 publications

Modelling the distribution of Rhipicephalus microplus and R. decoloratus in Zimbabwe

Modelling the distribution of Rhipicephalus microplus and R. decoloratus in Zimbabwe

Range Expansion of Tick Disease Vectors in North America: Implications for Spread of Tick-Borne Disease

Bioclimatic and altitudinal variables influence the potential distribution of canine parvovirus type 2 worldwide

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