Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda: can we detect a decoy effect?

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Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda : can we detect a decoy effect? / Stensgaard, Anna-Sofie; Kristensen, Thomas K.; Jørgensen, Aslak; B. Kabatereine, Narcis; Rahbek, Carsten.

In: Frontiers of Biogeography, Vol. 8, No. 3, e21748, 2016.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Stensgaard, A-S, Kristensen, TK, Jørgensen, A, B. Kabatereine, N & Rahbek, C 2016, 'Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda: can we detect a decoy effect?', Frontiers of Biogeography, vol. 8, no. 3, e21748. https://doi.org/10.21425/F58321748

APA

Stensgaard, A-S., Kristensen, T. K., Jørgensen, A., B. Kabatereine, N., & Rahbek, C. (2016). Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda: can we detect a decoy effect? Frontiers of Biogeography, 8(3), [e21748]. https://doi.org/10.21425/F58321748

Vancouver

Stensgaard A-S, Kristensen TK, Jørgensen A, B. Kabatereine N, Rahbek C. Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda: can we detect a decoy effect? Frontiers of Biogeography. 2016;8(3). e21748. https://doi.org/10.21425/F58321748

Author

Stensgaard, Anna-Sofie ; Kristensen, Thomas K. ; Jørgensen, Aslak ; B. Kabatereine, Narcis ; Rahbek, Carsten. / Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda : can we detect a decoy effect?. In: Frontiers of Biogeography. 2016 ; Vol. 8, No. 3.

Bibtex

@article{5bd6bbb59e5b4671b08c27e56d72c804,
title = "Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda: can we detect a decoy effect?",
abstract = "In recent years, ecological research has suggested several mechanisms by which biodiversity might affect the risk of acquiring infectious diseases (i.e., the decoy, dilution or amplification effects), but the topic remains controversial. While many experimental studies suggest a negative relationship between biodiversity and disease, this relationship is inherently complex, and might be negative, positive or neutral depending on the geographical scale and ecological context. Here, applying a macroecological approach, we look for associations between diversity and disease by comparing the distribution of human schistosomiasis and biogeographical patterns of freshwater snail and mammal species richness in Uganda. We found that the association between estimated snail richness and human infection was best described by a negative correlation in non-spatial bi- and multivariate logistic mixed effect models. However, this association lost significance after the inclusion of a spatial component in a full geostatistical model, highlighting the importance of accounting for spatial correlation to obtain more precise parameter estimates. Furthermore, we found no significant relationships between mammal richness and schistosomiasis risk. We discuss the limitations of the data and methods used to test the decoy hypothesis for schistosomiasis, and highlight key future research directions that can facilitate more powerful tests of the decoy effect in snail-borne infections, at geographical scales that are relevant for public health and conservation.",
keywords = "Biodiversity, Decoy effect, Dilution effect, Disease ecology, Health, Macroecology, Parasites, Schistosomiasis, Snails",
author = "Anna-Sofie Stensgaard and Kristensen, {Thomas K.} and Aslak J{\o}rgensen and {B. Kabatereine}, Narcis and Carsten Rahbek",
year = "2016",
doi = "10.21425/F58321748",
language = "English",
volume = "8",
journal = "Frontiers of Biogeography",
issn = "1948-6596",
publisher = "International Biogeography Society",
number = "3",

}

RIS

TY - JOUR

T1 - Associations between patterns of human intestinal schistosomiasis and snail and mammal species richness in Uganda

T2 - can we detect a decoy effect?

AU - Stensgaard, Anna-Sofie

AU - Kristensen, Thomas K.

AU - Jørgensen, Aslak

AU - B. Kabatereine, Narcis

AU - Rahbek, Carsten

PY - 2016

Y1 - 2016

N2 - In recent years, ecological research has suggested several mechanisms by which biodiversity might affect the risk of acquiring infectious diseases (i.e., the decoy, dilution or amplification effects), but the topic remains controversial. While many experimental studies suggest a negative relationship between biodiversity and disease, this relationship is inherently complex, and might be negative, positive or neutral depending on the geographical scale and ecological context. Here, applying a macroecological approach, we look for associations between diversity and disease by comparing the distribution of human schistosomiasis and biogeographical patterns of freshwater snail and mammal species richness in Uganda. We found that the association between estimated snail richness and human infection was best described by a negative correlation in non-spatial bi- and multivariate logistic mixed effect models. However, this association lost significance after the inclusion of a spatial component in a full geostatistical model, highlighting the importance of accounting for spatial correlation to obtain more precise parameter estimates. Furthermore, we found no significant relationships between mammal richness and schistosomiasis risk. We discuss the limitations of the data and methods used to test the decoy hypothesis for schistosomiasis, and highlight key future research directions that can facilitate more powerful tests of the decoy effect in snail-borne infections, at geographical scales that are relevant for public health and conservation.

AB - In recent years, ecological research has suggested several mechanisms by which biodiversity might affect the risk of acquiring infectious diseases (i.e., the decoy, dilution or amplification effects), but the topic remains controversial. While many experimental studies suggest a negative relationship between biodiversity and disease, this relationship is inherently complex, and might be negative, positive or neutral depending on the geographical scale and ecological context. Here, applying a macroecological approach, we look for associations between diversity and disease by comparing the distribution of human schistosomiasis and biogeographical patterns of freshwater snail and mammal species richness in Uganda. We found that the association between estimated snail richness and human infection was best described by a negative correlation in non-spatial bi- and multivariate logistic mixed effect models. However, this association lost significance after the inclusion of a spatial component in a full geostatistical model, highlighting the importance of accounting for spatial correlation to obtain more precise parameter estimates. Furthermore, we found no significant relationships between mammal richness and schistosomiasis risk. We discuss the limitations of the data and methods used to test the decoy hypothesis for schistosomiasis, and highlight key future research directions that can facilitate more powerful tests of the decoy effect in snail-borne infections, at geographical scales that are relevant for public health and conservation.

KW - Biodiversity

KW - Decoy effect

KW - Dilution effect

KW - Disease ecology

KW - Health

KW - Macroecology

KW - Parasites

KW - Schistosomiasis, Snails

UR - http://www.scopus.com/inward/record.url?scp=85006109945&partnerID=8YFLogxK

U2 - 10.21425/F58321748

DO - 10.21425/F58321748

M3 - Journal article

VL - 8

JO - Frontiers of Biogeography

JF - Frontiers of Biogeography

SN - 1948-6596

IS - 3

M1 - e21748

ER -

ID: 173504379