globalchange  > 全球变化的国际研究计划
DOI: 10.1017/S0022149X18000482
WOS记录号: WOS:000474829600007
论文题名:
Determinants of parasite distribution in Arctic charr populations: catchment structure versus dispersal potential
作者: Paterson, R. A.1; Knudsen, R.2; Blasco-Costa, I3; Dunn, A. M.4; Hytterod, S.5; Hansen, H.5
通讯作者: Paterson, R. A.
刊名: JOURNAL OF HELMINTHOLOGY
ISSN: 0022-149X
EISSN: 1475-2697
出版年: 2019
卷: 93, 期:5, 页码:559-566
语种: 英语
英文关键词: allogenic ; autogenic ; diversity ; infracommunity ; lentic ; Norway ; Salvelinus alpinus
WOS关键词: FRESH-WATER FISH ; TROUT SALMO-TRUTTA ; SALVELINUS-ALPINUS ; CLIMATE-CHANGE ; BROWN TROUT ; COMMUNITIES ; RIVER ; HOST ; INFECTION ; DISTANCE
WOS学科分类: Parasitology ; Zoology
WOS研究方向: Parasitology ; Zoology
英文摘要:

Parasite distribution patterns in lotic catchments are driven by the combined influences of unidirectional water flow and the mobility of the most mobile host. However, the importance of such drivers in catchments dominated by lentic habitats are poorly understood. We examined parasite populations of Arctic charr Salvelinus alpinus from a series of linear-connected lakes in northern Norway to assess the generality of lotic-derived catchment-scale parasite assemblage patterns. Our results demonstrated that the abundance of most parasite taxa increased from the upper to lower catchment. Allogenic taxa (piscivorous birds as final host) were present throughout the entire catchment, whereas their autogenic counterparts (charr as final hosts) demonstrated restricted distributions, thus supporting the theory that the mobility of the most mobile host determines taxa-specific parasite distribution patterns. Overall, catchment-wide parasite abundance and distribution patterns in this lentic-dominated system were in accordance with those reported for lotic systems. Additionally, our study highlighted that upper catchment regions may be inadequate reservoirs to facilitate recolonization of parasite communities in the event of downstream environmental perturbations.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/146599
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Univ Otago, Dept Zool, POB 56, Dunedin 9054, New Zealand
2.UiT Arctic Univ Norway, Dept Arctic & Marine Biol, Pb 6050 Langnes, N-9037 Tromso, Norway
3.Nat Hist Museum Geneva, Malagnou Rd 1, CH-1208 Geneva, Switzerland
4.Univ Leeds, Fac Biol Sci, Sch Biol, Leeds LS2 9JT, W Yorkshire, England
5.Norwegian Vet Inst, Pb 750 Sentrum, N-0106 Oslo, Norway

Recommended Citation:
Paterson, R. A.,Knudsen, R.,Blasco-Costa, I,et al. Determinants of parasite distribution in Arctic charr populations: catchment structure versus dispersal potential[J]. JOURNAL OF HELMINTHOLOGY,2019-01-01,93(5):559-566
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