Medium-term success of revegetation methods for high-mountain grassland reclamation in the montseny biosphere reserve (NE Spain)

C. Madruga-Andreu, J. Plaixats, F. López-I-Gelats, J. Bartolomé

Research output: Contribution to journalArticleResearchpeer-review

10 Citations (Scopus)

Abstract

High mountain dry siliceous grasslands of the Montseny Mountains in NE Spain affected by tourism and grazing were revegetated in 1999. Four revegetation techniques and two commercial seed mixtures were tested in two experiments and compared 7 years after their application. The first experiment evaluated a mixture of seeds pre-grown on turf patches. The second evaluated another seed mixture applied using three different seeding methods: (1) hand sown; (2) hydroseeding (high-pressure spray technique for applying a homogeneous slurry of seed and mulch); and (3) hydroseeding combined with transplantation of a single species extracted from the surrounding natural grassland. The success of revegetation treatments was analyzed in relation to vegetation cover, plant height and density, grass production, floristic composition, species richness and Shannon index. The results indicate that several techniques succeeded in establishing vegetation cover, but none were sufficient to achieve full restoration. Seeding treatments achieved high vegetation cover but did not result in the floristic composition of native grasslands. Plots with the transplantation of a native fescue displayed the highest proportion of native species. © 2011 Società Botanica Italiana.
Original languageEnglish
Pages (from-to)738-749
JournalPlant Biosystems
Volume145
Issue number3
DOIs
Publication statusPublished - 1 Sep 2011

Keywords

  • Hand sowing
  • Hydroseeding
  • Mediterranean
  • Native species
  • Protected area
  • Transplant

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