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High-Resolution Transect Sampling and Multiple Scale Diversity Analyses for Evaluating Grassland Resilience to Climatic Extremes

Author

Listed:
  • Sándor Bartha

    (Centre for Ecological Research, Institute of Ecology and Botany, Alkotmány út 2-4, H-2163 Vácrátót, Hungary)

  • Gábor Szabó

    (Institute of Botany and Ecophysiology, Hungarian University of Agriculture and Life Sciences, Páter Károly utca 1, H-2100 Gödöllő, Hungary
    Balaton-Felvidéki National Park Directorate, Kossuth u. 16, H-8229 Csopak, Hungary)

  • Sándor Csete

    (Institute for Wildlife Management and Nature Conservation, Hungarian University of Agriculture and Life Sciences, Guba Sándor utca 40, H-7400 Kaposvár, Hungary)

  • Dragica Purger

    (Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, Rókus utca 2, H-7624 Pécs, Hungary)

  • Judit Házi

    (Department of Botany, University of Veterinary Medicine Budapest, Rottenbiller utca 50, H-1077 Budapest, Hungary)

  • András István Csathó

    (Independent Researcher, H-5830 Battonya, Hungary)

  • Giandiego Campetella

    (Plant Diversity and Ecosystems Management Unit, School of Biosciences and Veterinary Medicine, University of Camerino, Via Pontoni 5, I-62032 Camerino, MC, Italy)

  • Roberto Canullo

    (Plant Diversity and Ecosystems Management Unit, School of Biosciences and Veterinary Medicine, University of Camerino, Via Pontoni 5, I-62032 Camerino, MC, Italy)

  • Stefano Chelli

    (Plant Diversity and Ecosystems Management Unit, School of Biosciences and Veterinary Medicine, University of Camerino, Via Pontoni 5, I-62032 Camerino, MC, Italy)

  • James Lee Tsakalos

    (Plant Diversity and Ecosystems Management Unit, School of Biosciences and Veterinary Medicine, University of Camerino, Via Pontoni 5, I-62032 Camerino, MC, Italy
    Harry Butler Institute, Murdoch University, 90 South Street, Murdoch, Perth, WA 6150, Australia)

  • Gábor Ónodi

    (Centre for Ecological Research, Institute of Ecology and Botany, Alkotmány út 2-4, H-2163 Vácrátót, Hungary)

  • György Kröel-Dulay

    (Centre for Ecological Research, Institute of Ecology and Botany, Alkotmány út 2-4, H-2163 Vácrátót, Hungary)

  • Zita Zimmermann

    (Centre for Ecological Research, Institute of Ecology and Botany, Alkotmány út 2-4, H-2163 Vácrátót, Hungary
    Institute of Botany and Ecophysiology, Hungarian University of Agriculture and Life Sciences, Páter Károly utca 1, H-2100 Gödöllő, Hungary)

Abstract

Diversity responses to climatic factors in plant communities are well understood from experiments, but less known in natural conditions due to the rarity of appropriate long-term observational data. In this paper, we use long-term transect data sampled annually in three natural grasslands of different species pools, soils, landscape contexts and land use histories. Analyzing these specific belt transect data of contiguous small sampling units enabled us to explore scale dependence and spatial synchrony of diversity patterns within and among sites. The 14-year study period covered several droughts, including one extreme event between 2011 and 2012. We demonstrated that all natural grasslands responded to droughts by considerable fluctuations of diversity, but, overall, they remained stable. The plant functional group of annuals showed high resilience at all sites, while perennials were resistant to droughts. Our results were robust to changing spatial scales of observations, and we also demonstrated that within-site spatial synchrony could be used as a sensitive indicator of external climatic effects. We propose the broad application of high-resolution belt transects for powerful and adaptive vegetation monitoring in the future.

Suggested Citation

  • Sándor Bartha & Gábor Szabó & Sándor Csete & Dragica Purger & Judit Házi & András István Csathó & Giandiego Campetella & Roberto Canullo & Stefano Chelli & James Lee Tsakalos & Gábor Ónodi & György Kr, 2022. "High-Resolution Transect Sampling and Multiple Scale Diversity Analyses for Evaluating Grassland Resilience to Climatic Extremes," Land, MDPI, vol. 11(3), pages 1-19, March.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:3:p:378-:d:764014
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    References listed on IDEAS

    as
    1. Lotte Korell & Harald Auge & Jonathan M. Chase & W. Stanley Harpole & Tiffany M. Knight, 2021. "Responses of plant diversity to precipitation change are strongest at local spatial scales and in drylands," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    2. György Kröel-Dulay & Johannes Ransijn & Inger Kappel Schmidt & Claus Beier & Paolo De Angelis & Giovanbattista de Dato & Jeffrey S. Dukes & Bridget Emmett & Marc Estiarte & János Garadnai & Jane Kongs, 2015. "Increased sensitivity to climate change in disturbed ecosystems," Nature Communications, Nature, vol. 6(1), pages 1-7, May.
    Full references (including those not matched with items on IDEAS)

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