caa a22 4500 467882207 CHVBK 20180406152723.0 cr unu---uuuuu 170328e20060901xx s 000 0 eng 10.1007/s10393-006-0028-6 doi (NATIONALLICENCE)springer-10.1007/s10393-006-0028-6 Food Webs and Disease: Is Pathogen Diversity Limited by Vector Diversity? [Elektronische Daten] [Graeme Cumming, Jean-François Guégan] Classical predator-prey and host-parasite systems have been extensively studied in a food web context. Less attention has been paid to communities that include pathogens and their vectors. We present a coarse-grained, pan-African analysis of the relationships between the abiotic environment (location, precipitation, temperature), the species richness and community composition of ixodid ticks, and the species richness and community composition of pathogens that ticks transmit to humans. We found strong correlations between the abiotic environment and tick species richness, and a weak but significant correlation between the abiotic environment and pathogen species richness. A substantial amount of variation in community composition of parasites and pathogens was not explained by the variables that we considered. A structural equation model that compensated for the indirect effects of climate on the pathogen community via tick community composition suggested that while the environment strongly regulates tick community composition and tick community composition strongly regulates pathogen community composition, abiotic influences on pathogen species richness and community composition are weak. Our results support the view that changes in the broader environment will influence tick-borne pathogens primarily via the influence of the environment on ticks. The interactions that regulate host-vector-pathogen dynamics are of particular relevance in understanding the relationships between environmental change and health concerns, such as the impact of climate change on the occurrence of vector-borne diseases. Springer Science+Business Media, Inc., 2006 Ixodidae nationallicence tick nationallicence pathogen nationallicence parasite nationallicence food web nationallicence biodiversity nationallicence Cumming Graeme Percy FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch 7701, Cape Town, South Africa aut Guégan Jean-François Génétique & Evolution des Maladies Infectieuses, UMR 2724 IRD-CNRS, Centre IRD de Montpellier, Equipe "Evolution des Systèmes Symbiotiques”, 911 avenue Agropolis, BP 64501, 34394, Montpellier cedex 5, France aut EcoHealth Springer-Verlag 3/3(2006-09-01), 163-170 1612-9202 3:3<163 2006 3 10393 https://doi.org/10.1007/s10393-006-0028-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10393-006-0028-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Cumming Graeme Percy FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch 7701, Cape Town, South Africa aut NATIONALLICENCE 700 1- Guégan Jean-François Génétique & Evolution des Maladies Infectieuses, UMR 2724 IRD-CNRS, Centre IRD de Montpellier, Equipe "Evolution des Systèmes Symbiotiques”, 911 avenue Agropolis, BP 64501, 34394, Montpellier cedex 5, France aut NATIONALLICENCE 773 0- EcoHealth Springer-Verlag 3/3(2006-09-01), 163-170 1612-9202 3:3<163 2006 3 10393 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer