Transitions between community complexes: a case study analysing gradients through mountain ridges in south Hungary

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The study of boundaries is a recurring theme in ecology. However, boundaries have been examined mainly on fine scales (between communities) and on coarse scales (between biomes), while boundaries of intermediate scales (e.g. between community complexes) are quite neglected. In this study, we analysed boundaries between mesic and xeric community complexes in a sub-Mediterranean karst area of South Hungary. We applied the moving split window (MSW) technique for boundary analysis. First, since the behaviour ofMSWconcerning complex vegetation patterns is not fully understood, we prepared artificial datasets (simulated communities) to test its capacities. Second, we established north-south oriented belt transects across mountain ridges of the Villány Mts, and investigated the transition between the community complexes of differently exposed slopes. UsingMSW, we were able clearly to distinguish between transitional zones and zones that do not represent real transitions: peaks in the Z-score profile of MSW merge only in the case of transitional zones. Moreover, we found that peaks merge depending on the independence (distinctness) of the transitional zone: when it is distinct, peaks merge only at the largest window widths. In the Villány Mts, transitions seem to occur mostly in the grasslands north of the ridges. We demonstrated that these grasslands can be regarded as boundaries between mesic and xeric complexes or as zones in their own right, with their own two boundaries. Interpretation depends upon the scale of observation.

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  • AMBRÓZY P.KOZMA F. 1990: Villány Mountains: Climate (In Hungarian). In:MAROSI S. SOMOGYI S. (eds.) Cadaster of the basic landscape units of Hungary II. 576-577. MTA Földrajztudományi Kutató Intézet Budapest.

  • ARMANDA.D. 1992: Sharp and gradual mountain timberlines as a result of species interactions. In: HANSEN A. J. DI CASTRI F. (eds.) Landscape boundaries: consequences for biotic diversity and ecological flows 360-378. Springer-Verlag New York.

  • ARMESTO J. J.MARTÍNEZ J. A. 1978: Relations between vegetation structure and slope aspect in the Mediterranean region of Chile. Journal of Ecology 66 881-889.

  • AUSTIN M. P. 2005: Vegetation and environment: discontinuities and continuities. In: VAN DERMAAREL E. (ed.) Vegetation ecology 52-84. Blackwell Oxford.

  • BÁTORI Z. GALLÉ R. ERDŐS L. KÖRMÖCZI L. 2011: Ecological conditions flora and vegetation of a large doline in the Mecsek Mountains (South Hungary). Acta Botanica Croatica 70 147-155.

  • BRUNT J. W. CONLEY W. 1990: Behavior of a multivariate algorithm for ecological edge detection. Ecological Modelling 49 179-203.

  • CADENASSO M. L. PICKETT S. T. A.WEATHERS K. C. JONES C. G. 2003: A framework for a theory of ecological boundaries. BioScience 53 750-758.

  • CHOESIN D.BOERNER R. E. J. 2002: Vegetation boundary detection: Acomparison of two approaches applied to field data. Plant Ecology 158 85-96.

  • CORNELIUS J. M.REYNOLDS J. F. 1991: On determining the statistical significance of discontinuities within ordered ecological data. Ecology 72 2057-2070.

  • DÉNES A. 1995: Karst shrubforest of the Mecsek and the Villány Mts (In Hungarian). AJanus Pannonius Múzeum Évkönyve 39 5-31.

  • DÉNES A. 2000: History of research on flora and vegetation in the Villány Mts a summary of resultswith special regard to the occurrence of rare and protected species (In Hungarian). Dunántúli Dolgozatok 10 47-77.

  • ERDŐS L.DÉNES A.MORSCHHAUSER T. 2010: Description and characterization of a new rock sward association in the Villány Mountains (Festuco rupicolae-Arrhenatheretum Erdős et Morschhauser ass. nova.). Acta Botanica Hungarica 52 315-330.

  • ERDŐS L.GALLÉ R.BÁTORI Z. PAPP M.KÖRMÖCZI L. 2011a: Properties of shrubforest edges: a case study from South Hungary. Central European Journal of Biology 6 639-658.

  • ERDŐS L. MÉRI Á. BÁTORI Z. GALLÉ R. KÖRMÖCZI L. 2012: North-south facing vegetation gradients in the Villány Mts: a case study on the population and the community level. Pakistan Journal of Botany 44 927-932.

  • ERDŐS L. ZALATNAI M. MORSCHHAUSER T. BÁTORI Z. KÖRMÖCZI L. 2011b: On the terms related to spatial ecological gradients and boundaries. Acta Biologica Szegediensis 55 279-287.

  • FODOR I. 1977: Villány Mountains: air temperature (In Hungarian). In: LOVÁSZ GY. (ed.) Geography of Baranya county 118-135. Baranya Megyei Levéltár Pécs.

  • GOSZ J. R. 1993: Ecotone hierarchies. Ecological Applications 3 369-376.

  • HENNENBERG K. J.GOETZE D.KOUAMÉ L.ORTHMANN B. POREMBSKI S. 2005: Border and ecotone detection by vegetation composition along forest-savanna transects in Ivory Coast. Journal of Vegetation Science 16 301-310.

  • HORVÁTH A. 1998: INFOTHEM program: new possibilities of spatial series analysis based on information theory methods. Tiscia 31 71-84.

  • HORVÁT A. O. 1968: Die Hainbuchen-Eichenwälder der Mecsek-Gegend in Südungarn. Feddes Repertorium 77 163-176.

  • HUFKENS K. SCHEUNDERS P. CEULEMANS R. 2009: Ecotones in vegetation ecology: methodologies and definitions revisited. Ecological Research 24 977-986.

  • JAGOMÄGI J.KÜLVIK M.MANDER Ü. JACUCHNO V. 1988: The structural-functional role of ecotones in the landscape. Ekologia ^SSR 7 81-94.

  • JAKUCS P. 1972: DynamischeVerbindung der Wälder und Rasen. Akadémiai Kiadó Budapest.

  • JOHNSTON C. A. PASTOR J. PINAY G. 1992: Quantitative methods for studying landscape boundaries. In: HANSEN A. J. DI CASTRI F. (eds.) Landscape boundaries: Consequences for biotic diversity and ecological flows 107-125. SpringerVerlag NewYork.

  • KENT M.GILLW. J.WEAVER R. E.ARMITAGE R. P. 1997: Landscape and plant community boundaries in biogeography. Progress in Physical Geography 21 315-353.

  • KEVEY B. BORHIDI A. 1998: Top-forest (Aconito anthorae-Fraxinetum orni) a special ecotonal case in the phytosociological system (Mecsek Mts South Hungary). Acta Botanica Hungarica 41 27-121.

  • KEVEY B. BORHIDI A. 2002: Top-forests (Veratro nigri-Fraxinetum orni) of the Bakony Mountains. Acta Botanica Hungarica 44 85-115.

  • KEVEY B.BORHIDI A. 2005: The acidophilous forests of the Mecsek and their relationship with the Balkan-Pannonian acidophilous forests. Acta Botanica Hungarica 47 273-368.

  • KOLASA J. ZALEWSKIM. 1995: Notes on ecotone attributes and functions. Hydrobiologia 303 1-7.

  • KÖRMÖCZI L. 2005: On the sensitivity and significance test of vegetation boundary detection. Community Ecology 6 75-81.

  • KRÖGER R.KHOMO L. M.LEVICK S.ROGERS K. H. 2009: Moving window analysis and riparian boundary delineation on the Northern Plains of Kruger National park South Africa. Acta Oecologica 35 573-580.

  • KUTIEL P. LAVEE H. 1999: Effect of slope aspect on soil and vegetation properties along an aridity transect. Israel Journal of Plant Sciences 47 169-178.

  • LAURANCE W. F.DIDHAM R. K. POWER M. E. 2001: Ecological boundaries: a search for synthesis. Trends in Ecology and Evolution 16 70-71.

  • LENGYEL A. PURGER D.CSIKY J. 2012: Classification of mesic grasslands and their transitions of South Transdanubia (Hungary). Acta Botanica Croatica 71 31-50.

  • LOVÁSZ GY. 1977: Geomorphological districts (In Hungarian). In: LOVÁSZ GY. (ed.) Geography of Baranya county 43-93. Baranya Megyei Levéltár Pécs.

  • LUDWIG J. A.CORNELIUS J.M. 1987: Locating discontinuities along ecological gradients. Ecology 68 448-450.

  • MAGYARI E. K. CHAPMAN J. C. PASSMORE D. G.ALLEN J. R. M.HUNTLEY J. P.HUNTLEY B. 2010: Holocene persistence of wooded steppe in the Great Hungarian Plain. Journal of Biogeography 37 915-935.

  • MUÑOS-REINOSO J. C. 2001: Sequential pattern in the stabilized dunes of Doòana Biological Reserve (SW Spain). Journal of Coastal Research 17 90-94.

  • PALMER M. W. VAN DERMAAREL E. 1995: Variance in species richness species association and niche limitation. Oikos 73 203-213.


  • L. MULDAVIN E. 2006: Integrating patch and boundary dynamics to understand and predict biotic transitions at multiple scales. Landscape Ecology 21 19-33.

  • PÓCS T. 2000: Plant biogeography (In Hungarian). In: HORTOBÁGYI T. SIMON T. (eds.) Plant biogeogrphy phytocoenology and ecology 25-166. Nemzeti Tankönyvkiadó Budapest. R DEVELOPMENT CORE TEAM 2009: R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing Vienna. Retrieved September 25 2011 from

  • SIMON T. 1964: Entdeckung und Zönologie der Festuca dalmatica (HACK.) RICHT. in Ungarn und ihr statistischer Vergleich mit ssp. pseudodalmatica (KRAJ.) SOÓ. Annales Universitatis Budapestiensis Sectio Biologica 7 143-156.

  • STERNBERG M. SHOSHANY M. 2001: Influence of slope aspect on Mediterranean woody formations: Comparison of a semiarid and an arid site in Israel. Ecological Research 16 335-345.

  • SZABÓ I. 1990: Investigations on the flora and vegetation of Keszthely hills (Hungary) with special regard to their southern elements. In: SZABÓ I. (ed.) Illyrische Einstrahlungen im Ostalpin-Dinarischen Raum 79-88. Pannon Agraruniversität Keszthely.

  • TORMA A. KÖRMÖCZI L. 2009: The influence of habitat heterogeneity on the fine-scale pattern of an Heteroptera assemblage in a sand grassland. Community Ecology 10 75-80.

  • VAN DERMAAREL E. 1976: On the establishment of plant community boundaries. Berichte der Deutschen Botanischen Gesellschaft 89 415-443.

  • WEBSTER R. 1978: Optimally partitioning soil transects. Journal of Soil Science 29 388-402.

  • WESTHOFF V. 1974: Stufen und Formen von Vegetationsgrenzen und ihre methodische Annäherung. In: TÜXEN R. (ed.) Tatsachen und Probleme der Grenzen in der Vegetation 45-64. Verlag von J. Cramer Lehre.

  • WHITTAKER R.H. 1967: Gradient analysis of vegetation. Biological Reviews 42 207-264.

  • WIENS J. A.CRAWFORD C. S.GOSZ J. R. 1985: Boundary dynamics: a conceptual framework for studying landscape ecosystems. Oikos 45 421-427.

  • WIENS J. A. 1992: Ecological flows across landscape boundaries: a conceptual overview. In: HANSEN A. J. DI CASTRI F. (eds.) Landscape boundaries: consequences for biotic diversity and ecological flows 217-235. Springer-Verlag New York.

  • ZALATNAI M. KÖRMÖCZI L. 2004: Fine-scale pattern of the boundary zones in alkaline grassland communities. Community Ecology 5 235-246.

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