Impact of management on vegetation dynamics and seed bank formation of inland dune grassland in Hungary

Gábor Matus, Mária Papp, B. Tóthmérész

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Seed bank formation and 7 years of vegetation dynamics were studied on permanent plots of a dry sandy pasture, Cynodonti-Festucetum pseudovinae. A stand overgrazed by domestic geese and a reference stand void of overgrazing were compared. Apart from this both stands were accidentally grazed by cattle. Vegetation of the overgrazed stand was significantly more species-rich, especially in summer annuals. The reference was dominated with perennials and winter annuals. Composition and dominance changed considerably at both stands but only composition became more alike. Declining species richness and increasing dominance of perennials was found in the overgrazed stand. The reference stand became dominated with the dwarf-shrub Thymus degenianus. Species richness of the overgrazed stand showed greater seasonal and year-to-year variation than that of the reference. No temporal change of nutrient availability was found and neither was a difference detected between the stands. Greenhouse germination revealed more dense and more species-rich seed bank in the overgrazed stand. Its established vegetation and soil seed bank were also more alike. Higher species richness of the overgrazed stand can be associated with intensive propagule dispersal of geese, as indicated by dense seed banks of zoochorous hygrophytes delivered from neighbouring wetlands. Relatively high representation of persistent seed bank records suggests that, except for some sensitive perennials, the studied community is adapted to recurrent disturbances. Community regeneration seems to be limited by slow spread of perennial graminoids.

Original languageEnglish
Pages (from-to)296-306
Number of pages11
JournalFlora: Morphology, Distribution, Functional Ecology of Plants
Volume200
Issue number3
DOIs
Publication statusPublished - Jul 1 2005

Fingerprint

vegetation dynamics
seed bank
buried seeds
dunes
Hungary
dune
grasslands
grassland
vegetation
species richness
geese
species diversity
propagule
overgrazing
nutrient availability
void
cattle
pasture
germination
wetlands

Keywords

  • Disturbance
  • Grazing
  • Permanent plots
  • Propagule dispersal
  • Secondary succession
  • Seedling emergence

ASJC Scopus subject areas

  • Plant Science

Cite this

Impact of management on vegetation dynamics and seed bank formation of inland dune grassland in Hungary. / Matus, Gábor; Papp, Mária; Tóthmérész, B.

In: Flora: Morphology, Distribution, Functional Ecology of Plants, Vol. 200, No. 3, 01.07.2005, p. 296-306.

Research output: Contribution to journalArticle

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