globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.12226
论文题名:
Finding the appropriate variables to model the distribution of vector-borne parasites with different environmental preferences: Climate is not enough
作者: Pérez-Rodríguez A.; Fernández-González S.; De la Hera I.; Pérez-Tris J.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2013
卷: 19, 期:11
起始页码: 3245
结束页码: 3253
语种: 英语
英文关键词: Avian haemosporidians ; Blackcap Sylvia atricapilla ; Environmental constrains ; Haemoproteus ; Host migration ; Leucocytozoon ; Partial least squares regression ; Plasmodium
Scopus关键词: bacterium ; environmental constraint ; global change ; host-parasite interaction ; least squares method ; numerical model ; parasite ; regression analysis ; species diversity ; Aves ; Haemoproteus ; Haemosporida ; Leucocytozoon ; Plasmodium (Apicomplexa) ; Sylvia atricapilla ; leucocytozoon ; protozoal DNA ; animal ; article ; avian haemosporidians ; Blackcap Sylvia atricapilla ; environment ; environmental constrains ; Haemoproteus ; Haemosporida ; host migration ; parasite ; parasitology ; partial least squares regression ; physiology ; Plasmodium ; regression analysis ; songbird ; theoretical model ; avian haemosporidians ; Blackcap Sylvia atricapilla ; environmental constrains ; Haemoproteus ; host migration ; Leucocytozoon ; partial least squares regression ; Plasmodium ; Animals ; DNA, Protozoan ; Environment ; Haemosporida ; Least-Squares Analysis ; Models, Theoretical ; Parasites ; Passeriformes ; Plasmodium
英文摘要: Understanding how environmental variation influences the distribution of parasite diversity is critical if we are to anticipate disease emergence risks associated with global change. However, choosing the relevant variables for modelling current and future parasite distributions may be difficult: candidate predictors are many, and they seldom are statistically independent. This problem often leads to simplistic models of current and projected future parasite distributions, with climatic variables prioritized over potentially important landscape features or host population attributes. We studied avian blood parasites of the genera Plasmodium, Haemoproteus and Leucocytozoon (which are viewed as potential emergent pathogens) in 37 Iberian blackcap Sylvia atricapilla populations. We used Partial Least Squares regression to assess the relative importance of a wide array of putative determinants of variation in the diversity of these parasites, including climate, landscape features and host population migration. Both prevalence and richness of parasites were predominantly related to climate (an effect which was primarily, but not exclusively driven by variation in temperature), but landscape features and host migration also explained variation in parasite diversity. Remarkably, different models emerged for each parasite genus, although all parasites were studied in the same host species. Our results show that parasite distribution models, which are usually based on climatic variables alone, improve by including other types of predictors. Moreover, closely related parasites may show different relationships to the same environmental influences (both in magnitude and direction). Thus, a model used to develop one parasite distribution can probably not be applied identically even to the most similar host-parasite systems. © 2013 John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62285
Appears in Collections:影响、适应和脆弱性

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作者单位: Departamento de Zoología y Antropología Física, Universidad Complutense de Madrid, Madrid, E-28040, Spain; Departamento de Zoología y Biología Celular Animal, Universidad del País Vasco (UPV/EHU), Vitoria-Gasteiz, E-01006, Spain

Recommended Citation:
Pérez-Rodríguez A.,Fernández-González S.,De la Hera I.,et al. Finding the appropriate variables to model the distribution of vector-borne parasites with different environmental preferences: Climate is not enough[J]. Global Change Biology,2013-01-01,19(11)
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