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2012 | 60 | 3 |

Tytuł artykułu

Live-trapping small mammals under snow: a protocol for maximising captures and minimising mortality

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Difficulties in investigating shrews in the wild in winter, especially in trapping them and keeping them alive during live-trapping studies, have been the main reason for serious deficiencies in our knowledge of their ecology. We developed a live-trapping protocol which allowed us to maximise capture rates and minimise mortality of shrews. We used wooden box traps with a nest-chamber, which we set in plywood ‘chimneys’ with removable roofs. Chimneys facilitated suitable positioning of traps and protected them from being blocked by snow. This resulted in a high trappability (up to 20.2 shrews and 8.2 voles per 1000 trap hours), a large proportion of recaptures (most shrews were recaptured, often repeatedly) and a very low mortality rate (<0.09 shrews and 0 rodents per 1000 trap hours) despite sub-zero temperatures and deep snow cover. This allowed us to pursue an intensive live-trapping study, using the CMR-method, of shrews wintering in the Narewka river valley (north-east Poland). Because of the high trappability and minimal mortality, the presented protocol can be recommended to study winter ecology and conservation biology of such fragile and strictly protected small mammals as shrews.

Wydawca

-

Rocznik

Tom

60

Numer

3

Opis fizyczny

p.621-628,fig.,ref.

Twórcy

autor
  • Department of Systematic Zoology, Institute of Environmental Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznan, Poland
autor

Bibliografia

  • Castien E., Gosalbez J. 1999 – Habitat and food preferences in a guild of insectivorous mammals in the Western Pyrenees – Acta Theriol. 44: 1–13.
  • Churchfield S. 1984 – Dietary separation in three species of shrew inhabiting water-cress beds – J. Zool., Lond. 204: 211–228.
  • Churchfield S., Rychlik L., Taylor J.R.E. 2012 – Food resources and foraging habits of the common shrew, Sorex araneus: does winter food shortage explain Dehnel’s phenomenon? – Oikos. doi: 10.1111/j.1600-0706.2011.20462.x.
  • Croin Michielsen N. 1966 – Intraspecific and interspecific competition in the shrews S orex araneus L. and S. minutus L. – Archs neerl. Zool. 17: 73–174.
  • Dehnel A. 1949 – Badania nad rodzajem Sorex L. [Studies on the genus Sorex L.] – Annls Univ. Mariae Curie-Skłodowska C 4: 17–102 (in Polish).
  • Iverson S.L., Turner B.N. 1969 – Undersnow shelter for small mammal trapping – J. Wildl. Manage. 33: 722–723.
  • Jannett F.J. Jr. 1984 – Reproduction of the montane vole, Microtus montanus, in subnivean populations (In: Winter ecology of small mammals, Ed. J.F. Merritt) – Carnegie Museum of Natural History Special Publication No. 10, Pittsburgh, pp. 215–224.
  • Merritt J.F. 1982 – Red-backed vole (In: CRC handbook of census methods for terrestrial vertebrates, Ed. D.E. Davis) – CRC Press, Inc., Boca Raton, Florida, pp. 196–198.
  • Merritt J.F. 1984 – Growth patterns and seasonal thermogenesis of Clethrionomys gapperi inhabiting the Appalachian and Rocky Mountains of North America (In: Winter ecology of small mammals, Ed. J.F. Merritt) – Carnegie Museum of Natural History Special Publication No. 10, Pittsburgh, pp. 201–213.
  • Merritt J.F. 1995 – Seasonal thermogenesis and changes in body mass of masked shrews, Sorex cinereus – J. Mammal. 76: 1020–1035.
  • Merritt J.F., Merritt J.M. 1978 – Population ecology and energy relationships of Clethrionomys gapperi in a Colorado subalpine forest – J. Mammal. 59: 576–598.
  • Mezhzherin V.A. 1964 – Dehnel’s phenomenon and its possible explanation – Acta Theriol. 8: 95–114 (in Russian with English summary).
  • Ochocińska D., Taylor J.R.E. 2005 – Living at the physiological limits: field and maximum metabolic rates of the common shrew (Sorex araneus) – Physiol. Biochem. Zool. 78: 808–818.
  • Penny C.E., Pruitt W.O. Jr. 1984 – Subnivean accumulation of CO2 and its effects on winter distribution of small mammals (In: Winter ecology of small mammals, Ed. J.F. Merritt) – Carnegie Museum of Natural History Special Publication No. 10, Pittsburgh, pp. 373–380.
  • Pruitt W.O. Jr. 1959 – A method of live trapping small taiga mammals in winter – J. Mammal. 40: 139–143.
  • Pucek Z. 1970 – Seasonal and age changes in shrews as an adaptive process – Symp. Zool. Soc. Lond. 26: 189–207.
  • Rychlik L., Churchfield S., Taylor J.R.E., Kardynia P., Bogdziewicz M. 2011 – Seasonal changes in space use, activity and foraging behaviour as elements of wintering strategy of the common shrew (In: Abstract volume, 6th European Congress of Mammalogy, Paris, France, 19 to 23 July 2011, Eds: C. Denys et al.) – Universite Pierre et Marie Curie, Museum national d’Histoire naturelle, Paris, p. 122.
  • Schmid W.D. 1984 – Materials and methods of subnivean sampling (In: Winter ecology of small mammals, Ed. J.F. Merritt) – Carnegie Museum of Natural History Special Publication No. 10, Pittsburgh, pp. 25–32.
  • Soper J.D. 1942 – On the winter trapping of small mammals – J. Mammal. 4: 344–358.
  • Taylor J.R.E. 1998 – Evolution of energetic strategies in shrews (In: The Evolution of Shrews, Eds: J.M. Wojcik, M. Wolsan) – Mammal Research Institute, Polish Academy of Sciences, Białowieża, pp. 309–346.
  • Taylor J.R.E., Rychlik L., Churchfield S. 2010 – The importance of winter body mass depression in the common shrew, Sorex araneus. (In: Advances in the biology of shrews III. Materials of the International Conference, Syktyvkar, Komi Republic, Russia, September 14–17, 2010, Eds: V.V. Rozhnov, N.A. Shchipanov, S.V. Pavlova) – Russian Academy of Science, KMK, Moscow, pp. 65–66.
  • Vogel P. 1980 – Metabolic levels and biological strategies in shrews (In: Comparative physiology: primitive mammals, Eds: K. Schmidt-Nielsen, L. Bolis, C.R. Taylor) – Cambridge University Press, Cambridge, pp. 170–180.
  • Yunger J.A., Brewer R., Snook R. 1992 – A method for decreasing trap mortality of Sorex – Can. Field-Nat. 106: 249–251.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

bwmeta1.element.agro-83f1a652-f3df-4b6c-8026-bfc157c12ed9
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