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Selection of foraging habitat by grassland birds : effect of prey abundance or availability?

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Vegetation structure and food availability can significantly modify the composition of farmland avifauna. In the 2006 breeding season we tested the effect of food resources (density of epigeic invertebrates) in two local habitats on foraging of farmland birds. We have been exploring how intensively the foraging birds utilise meadow and pasture habitats in an extensively used farmland area of Central Poland. Two plots were selected in adjacent meadow and pasture each of 0.18 ha where bird and invertebrate sampling was conducted in May 2006. We set five Barber traps active for two weeks at each plot to survey for the epigeic invertebrates which form the main part of farmland birds' diet. In total, we trapped over two thousands invertebrate individuals (mainly Aranea, Coleoptera and Hymenoptera). Visual observations of foraging birds were performed from an elevated observation point located at a 25 m distance from the edge of the plots. We recorded 191 observations of foraging by 12 bird species (mainly Sturnus vulgaris L., Upupa epops L., Cuculus canorus L., Motacilla alba L., Corvus corone L., C. monedula L., Pica pica L.). We found that overall invertebrate density at the meadow was 2.5-fold higher than at the pasture. This was also the case with the invertebrate groups that were preyed upon by the birds. We recorded however a 10-fold higher frequency of foraging of birds at the pasture, as compared to the meadow. Preference of a bird species for foraging at the pasture was inversely correlated with its body mass. We discuss the importance of pastures for the preservation of farmland avifauna.
Rocznik
Strony
365--370
Opis fizyczny
Bibliogr. 22 poz.,tab., wykr.,
Twórcy
  • Department of Ecology, University of warsaw, Banacha 2, 02-097 Warsaw, Poland, zmihor@interia.pl
Bibliografia
  • Atkinson P.W., Fuller R.J., Vickery J.A., Conway G.J., Tallowin J.R.B., Smith R.E.N., Haysom K.A., Ings T.C., Asteraki E.J., Brown V.K. 2005 – Influence of agricultural management, sward structure and food resources on grassland field use by birds in lowland England – J. Appl. Ecol. 42: 932–942.
  • Bromham L., Cardillo M., Bennett A.F., Elgar M.A. 1999 – Effects of stock grazing on the ground invertebrate fauna of woodland remnants – Aust. J. Ecol. 24: 199–207.
  • Buckingham D.L., Peach W.J., Fox D.S. 2006 – Effects of agricultural management on the use of lowland grassland by foraging birds – Agric. Ecosyst. Environ. 112: 21–40.
  • Butler S.J., Gillings S. 2004 – Quantifying the effects of habitat structure on prey detectability and accessibility to farmland birds. Ecology and conservation of farmland birds. II. The road to recovery – Ibis 146 (Suppl 2): 123–130.
  • Butler S.J., Bradbury R.B., Whittingham M.J. 2005 – Stubble height affects the use of stubble fields by farmland birds – J Appl. Ecol. 42: 469–476.
  • Cattin M.F., Blandenier G., Banasek-Richter C., Bersier L.F. 2003 – The impact of mowing as a management strategy for wet meadows on spider (Araneae) communities – Biol. Conserv. 113: 179–188.
  • Chylarecki P., Jawińska D., Kuczyński L. 2006 – Monitoring Pospolitych Ptaków Lęgowych – raport z lat 2003–2004 [Common Breeding Bird Monitoring in Poland: Annual report 2003–2004] – OTOP, Warszawa. (In Polish, English summary).
  • Devereux C.L., Whittingham M.J., Krebs J.R., Fernandez-Juricic E., Vickery J.A. 2006 – What attracts birds to newly mown pasture? Decoupling the action of mowing from the provision of short swards – Ibis 148: 302–306.
  • Devereux C.L., McKeever C.U., Benton T.G., Whittingham M.J. 2004 – The effect of sward height and drainage on Common Starlings Sturnus vulgaris and Northern Lapwings Vanellus vanellus foraging in grassland habitats – Ibis 146 (Suppl.2): 115–122.
  • Holland J.M., Hutchinson M.A.S., Smith B., Aebischer N.J. 2006 – A review of invertebrates and seed-bearing plants as food for farmland birds in Europe – Ann. Appl. Biol. 148: 49–71.
  • Matuszkiewiecz J., Romanowski J., Kowalska A., Kowalczyk K. 2005 – Description of the Vistula Valley (In: Evaluation of ecological consequences of development scenarios for the Vistula River Vistula Econet Development and Implementation VEDI Ed. T. Van der Sluis) – Warszawa, Wageningen, Utrecht 13–24.
  • Matuszkiewicz W. 2001 – Przewodnik do oznaczania zbiorowisk roślinnych Polski [The handbook for identification of vegetation complexes in Poland] – Polish Scientific Publishers, Warszawa, 297 pp. (In Polish).
  • Morris M.G. 2000 – The effects of structure and its dynamics on the ecology and conservation of arthropods in British grasslands – Biol. Conserv. 95: 129–142.
  • Ournier J., Arlettaz R. 2001 – Food provision to nestlings in the Hoopoe Upupa epops: Implications for the conservation of a small endangered population in the Swiss Alps – Ibis 143: 2–10.
  • Smith H.G., Bruun M. 2002 – The effect of pasture on starling (Sturnus vulgaris) breeding success and population density in a heterogeneous agricultural landscape in southern Sweden – Agric. Ecosyst. Environ. 92: 107–114.
  • Sokołowski J. 1992 – Ptaki Polski [Birds of Poland] – WSIP, Warszawa, 270 pp. (in Polish)
  • Solonen T., Tiainen J., Korpimaki E., Saurola P. 1991 – Dynamics of Finnish starling Sturnus vulgaris populations in recent decades – Ornis Fenn. 68: 158–169.
  • Vickery J.A., Tallowin J.R., Feber R.E., Asteraki E.J., Atkinson P.W., Fuller R.J., Brown V.K. 2001 – The management of lowland neutral grasslands in Britain: effects of agricultural practices on birds and their food resources – J. Appl. Ecol. 38: 647–664.
  • Whittingham M.J., Devereux C.L., Evans A.D., Bradbury R.B. 2006 – Altering perceived predation risk and food availability: management prescriptions to benefit farmland birds on stubble fields – J. Appl. Ecol. 43: 640–650.
  • Wilson J.D., Morris A.J., Arroyo B.E., Clark S.C., Bradbury R.B. 1999 – A review of the abundance and diversity of invertebrate and plant foods of granivorous birds in northern Europe in relation to agricultural change – Agric. Ecosyst. Environ. 75: 13–30.
  • Wilson J.D., Whittingham M.J., Bradbury R.B. 2005 – The management of crop structure: a general approach to reversing the impacts of agricultural intensification on birds? – Ibis 147: 453–463.
  • Żmihorski M., Altenburg D., Romanowski J., Kowalski M., Osojca G. 2006 – Long term decline of the Little Owl (Athene noctua Scop., 1769) in Central Poland – Pol. J. Ecol. 54: 321–324.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BGPK-2072-7836
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