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Host sex and ectoparasite infections of plateau pika (Ochotona curzoniae, Hudson) on the Qinghai-Tibetan Plateau

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Języki publikacji
EN
Abstrakty
EN
A total of 449 plateau pika (Ochotona curzoniae Hudgson) individuals were sampled with rattraps from 21 plots (size 1 ha) randomly scattered over the area of the species distribution at the altitude 3275-4807 m a.s.l. in the Qinghai-Tibetan Plateau (West China). Two main ectoparasite species Hypoderma satyrus Brauer and Ixodes crenulatus Neumann of plateau pika were surveyed, and the relations between host sex and parasitism were analyzed. The results were: (i) although not significantly, the infection rate of female young was close to zero and lower than that of male young (6%), while the infection rate of female sub-adults (19%) was contrarily - higher than that of male sub-adults (11%); adult females had significantly higher (41%) infection rate than that of males (18%) (P <0.001); (ii) the parasite infection rates for both males and females increased with increasing age, but female age-groups had obviously steeper slope. We suggested that the differences of body mass, growth rate and home range between males and females had mainly caused the sex-biased parasitism (SBP) of plateau pika at each age stage. Also, due to the higher increases of body mass and maybe as well as of the home range differences between consecutive age-groups, the parasite infections of females became more sensitive to the influences of age than that of males.
Rocznik
Strony
535--539
Opis fizyczny
Bibliogr. 24 poz.,rys., tab.,
Twórcy
autor
autor
autor
autor
  • Key laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, China, jpsu@nwipb.ac.cn
Bibliografia
  • Acuna-Soto R., Maguire J.H., Wirth D.F. 2000 - Gender distribution in asymptomatic and invasive amebiasis - Amer. J. Gastroenterol. 95 (5): 1277-1283.
  • Amundsen P.A., Kristoffersen R., Knudsen R., Klemetsen A. 1997 – Infection of Salmincola edwardsii (Copepoda: Lernaeopodidae) in an age-structured population of Arctic charr - a long-term study - J. Fish Biol. 51: 1033-1046.
  • Brei B., Fish D. 2003 – Comment on “Parasites as a viability cost of sexual selection in natural populations of mammals” - Science, 300: 55a.
  • Cao Y.F., Ye R.R. 1998 - Survey of helminthes parasitism of plateau pika - Chin. J. Vet. Sci. Tech. 28 (5): 14-15 (in Chinese with English abstract).
  • Ding X.T., He X.Q., Cao Y.Q., Dai L. 1999 - Reports on parasite infections on plateau pika - Sichuan J. Zool. 18 (1): 34-43 (in Chinese).
  • Klein S.L. 2000 - The effects of hormones on sex differences in infection: from genes to behavior - Neurosci. Biobehav. Rev. 24: 627-638.
  • Krasnov B.R., Morand S., Hawlena H., Khokhlova I.S., Shenbrot G.I. 2005 - Sex-biased parasitism, seasonality and sexual size dimorphism in desert rodents - Oecologia, 146: 209-217.
  • Liang J.R., Qi G.X. 1989 - The population age structure and dynamics of the plateau pika (Ochotona curzoniae) - Acta Theriol. Sin. 9 (3): 228-230 (in Chinese).
  • McCurdy D.G., Shutler D., Mullie A., Forbes M.R. 1998 - Sex-biased parasitism of avian hosts: relations to blood parasite taxon and mating system - Oikos, 82: 303-312.
  • Moore S.L., Wilson K. 2002 - Parasites as a viability cost of sexual selection in natural populations of mammals - Science, 297: 2015-2018.
  • Poulin R. 1996 - Sexual inequalities in helminth infections: A Cost of Being a Male? - Amer. Naturalist. 147 (2): 287-295.
  • Poulin R., Curtis M.A., Rau M.E. 1991 - Size, behaviour, and acquisition of ectoparasitic copepods by brook trout, Salvelinus fontinalis - Oikos, 61: 169-174.
  • Qu J.P., Li K.X., Yang M., Li W.J., Zhang Y.M., Smith A.T. 2007 - Seasonal dynamic pattern of spacial territory in social groups of plateau pikas (Ochotona curzoniae) – Acta Theriol. Sin. 27(3): 215-220 (in Chinese with English abstract).
  • Reimchen T.E., Nosil P. 2001 – Ecological causes of sex-biased parasitism in threespine stickleback - Biol. J. Linn. Soc. 73: 51-63.
  • Schalk G., Forbes M.R. 1997 - Male biases in parasitism of mammals: effects of study type, host age, and parasite taxon - Oikos, 78: 67-74.
  • Smith A.T., Foggin J.M. 1999 - The plateau pika (Ochotona curzoniae) is a keystone species for biodiversity on the Tibetan plateau - Anim. Conserv. 2: 235-240.
  • Wan X.R., Liu W., Zhao T.B., Jing Y., Guo P.F., Shi Y.S., Wang G.H. 2007 - Relationship between the infective characters of Capillaria hepatica and the body mass of the Brandt’s vole (Lasiopodomys brandtii) - Acta Theriol. Sin. 27 (2): 165-169 (in Chinese with English abstract).
  • Wang Z.D., Fang W., Ma J., Zhang Y., Cai J.F., Han D.H., Lv R ., Zhong X.Y. 2003 - Effectiveness of Expelling Endoparasiteand Ectoparasite of wild plateau pika - Chin. Qinghai J. Anim. Vet. Sci. 33 (6): 22-23.
  • Wedekind C., Jakobsen P.J. 1998 – Malebiased susceptibility to helminth infection: an experimental test with a copepod - Oikos, 81: 458-462.
  • Wilson K., Moore S.L., Owens I.P.F. 2003 - Response to Comment on “Parasites as a Viability Cost of Sexual Selection in Natural Populations of Mammals” - Science, 300: 55b
  • Ye R.R., Liang J.X. 1989 - Study on the growth and development of plateau pika under the condition of artificial feeding – Acta Theriol. Sin. 9 (2): 110-118 (in Chinese with English abstract).
  • Zhang G.D. 1991 - Fleas, ticks and mites in plateau pika in Qinghai - Chin. J. Vect. Biol. Contr. 2: 131-133 (in Chinese).
  • Zhou L., Liu J.K., Liu Y. 1987 - Studies on population productivity ecology of the plateau pika (I). A dynamic model of growth of body weight in the plateau pika - Acta Theriol. Sin. 7 (1): 67-78 (in Chinese with English abstract).
  • Zuk M., Mckean K.A. 1996 - Sex differences in parasite infections: patterns and process - Int. J. Parasitol. 26: 1009-1024.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BGPK-2161-8339
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