The favoured state approach sensu Fox (1987) was used to investigate the existence of assembly rules for woodland bird communities in an agricultural landscape. When birds were classified according to gross breeding habitat requirements, year-round resident, ‘true’ woodland species showed an excess of favoured states suggesting a possible assembly rule. There was weaker evidence for a similar assembly rule governed by foraging requirements. This pattern was shown for all woods together, and for most categories of woods, grouped according to size, shape or size and shape together. Summer migrants did not show such patterns, and their arrival appeared to mask any patterns established by year-round resident species. The statistical significance of the excess of favoured states was highest in 1990, when bird population densities were considerably higher than in 1991 and 1992. Interspecific competition appears to be a factor in structuring woodland bird communities within the area sampled. Some implications for the action of these assembly rules on the results of further habitat fragmentation are discussed.
Bellamy, P.E., S. A. Hinsley and I. Newton. 1996. Local extinctions and recolonisations of passerine bird populations in small woods. Oecologia 108: 64–71.
Belyea, L.R. and J. Lancaster. 1999. Assembly rules within a contingent ecology. Oikos 86: 402–416.
British Ornithologists’ Union. 2000. The British List, 3rd edition. Tring, UK.
Diamond, J.M. 1975. Assembly of species communities. In: M.L. Cody and J. M. Diamond (eds), Ecology and Evolution of Communities. Harvard University Press, Cambridge MA., pp. 342–444.
Fox, B.J. 1987. Species assembly and the evolution of community structure. Evolutionary Ecology 1: 201–213.
Fox, B.J. 1999. Genesis of an assembly rule. In: E. Weiher and P.A. Keddy (eds), Ecological Assembly Rules. Perspectives, Advances, Retreats. Cambridge University Press, Cambridge, pp. 23–57.
Fox, B.J. and J. H. Brown. 1993. Assembly rules for functional groups in North American desert rodent communities. Oikos 67: 358–370.
Gotelli, N.J. 2000. Null model analysis of species co-occurrence patterns. Ecology 81: 2606–2621.
Gotelli, N.J. and G.R. Graves. 1996. Null Models in Ecology. Smithsonian Institution Press, Washington.
Gotelli, N.J., N.J. Buckley, and J.A. Wiens. 1997. Co-occurrence of Australian land birds: Diamond’s assembly rules revisited. Oikos 80: 311–324.
Graves, G.R. and N.J. Gotelli. 1983. Neotropical land-bridge avifaunas: new appraoches to null hypotheses in biogeography. Oikos 41: 322–333.
Haila, Y., I.K. Hanski and S. Raivio. 1993. Turnover of breeding birds in small forest fragments: the “sampling” colonization hypothesis corroborated. Ecology 74: 714–725.
Hinsley, S.A., P.E. Bellamy and I. Newton. 1995. Bird species turnover and stochastic extinction in woodland fragments. Ecography 18: 41–50.
Hinsley, S.A., P.E. Bellamy, I. Newton, I. and T. H. Sparks. 1996a. Influences of population size and woodland area on bird species distributions in small woods. Oecologia 105: 100–106.
Hinsley, S.A., R.J. Pakeman, P.E. Bellamy and I. Newton. 1996b. Influences of habitat fragmentation on bird species distributions and regional population sizes. Proceedings of the Royal Society of London, B. 263: 307–313.
Kelt, D.A., M.L. Taper and P.L. Meserve. 1995. Assessing the impact of competition on community assembly: a case study using small mammals. Ecology 76: 1283–1296.
Marchant, J. 1983. BTO Common Bird Census Instructions. British Trust for Ornithology, Tring, Hertfordshire.
Marchant, J. and L. Musty. 1992. Common bird census 1990–91 index report. British Trust for Ornithology News 182: 9–12.
Simberloff, D., L. Stone and T. Dayan. 1999. Ruling out a community assembly rule: the method of favored states. In: E. Weiher and P.A. Keddy (eds), Ecological Assembly Rules. Perspectives. Advances, Retreats. Cambridge University Press, Cambridge, pp. 58–74.
Stone, L., T. Dayan and D. Simberloff. 1996. Community-wide assembly patterns unmasked: the importance of species’ differing geographic ranges. The American Naturalist 148: 997–1015.
Timonen, S., M. Mönkkönen and M. Orell. 1994. Does competition with residents affect the distribution of migrant territories? Ornis Fennica 71: 55–60.
Weiher, E. and P. A. Keddy. 1999. Ecological Assembly Rules. Perspectives, Advances, Retreats. Cambridge University Press, Cambridge.
Weiher, E., G.D.P Clarke and P.A. Keddy. 1998. Community assembly rules, morphological dispersion, and the coexistence of plant species. Orkos 81: 309–322.
Wiens, J.A. 1989. The Ecology of Bird Communities. Volume 1. Foundations and Pattern. Cambridge University Press, Cambridge.
Wilson, J.B. 1995. Null models for assembly rules: the Jack Horner effect is more insidious than the Narcissus effect. Oikos 72: 139–144.
Wilson, J.B. 1999. Guilds, functional types and ecological groups. Oikos 86: 507–522.
Wilson, J.B. and S. H. Roxburgh. 1994. A demonstration of guild-based assembly rules for a plant community, and determination of intrinsic guilds. Oikos 69: 267–276.
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Pakeman, R.J., Hinsley, S.A. & Bellamy, P.E. Do assembly rules for bird communities operate in small, fragmented woodlands in an agricultural landscape?. COMMUNITY ECOLOGY 1, 171–179 (2000). https://doi.org/10.1556/ComEc.1.2000.2.7
- Favoured state
- Landscape Ecology
- Null models
- Species distribution