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Effects of soil disturbance on plant diversity of calcareous grasslands

Author:
  • Tim Krone Schnoor
  • Pål Axel Olsson
Publishing year: 2010
Language: English
Pages: 714-719
Publication/Series: Agriculture, Ecosystems & Environment
Volume: 139
Issue: 4
Document type: Journal article
Publisher: Elsevier

Abstract english

A soil disturbance experiment was performed during two seasons in degraded, calcareous sandy grassland in southern Sweden. pH, extractable phosphorus, plant species richness and vegetation composition were analyzed. Mechanical soil disturbance had no effect on pH, and caused only a minor increase in extractable phosphorus. Positive effects compared to control plots were seen on plot scale (360 m2) in species richness and Shannon index 2 years after treatment, while on a smaller scale (1 m2), species richness increased only in rotavated plots. Plant community differences were mainly found between disturbed and control plots, and some positive effects were detected on early establishing species, but the two disturbance techniques favored different species. It is concluded that mechanical soil disturbance, and a variation in techniques and intensities, may be an important measure for preserving diversity in grasslands that have a history of mechanical soil disturbance.

Keywords

  • Ecology
  • Calcareous grassland
  • Mechanical disturbance
  • Phosphorus
  • Restoration
  • Soil chemistry
  • Sandy grassland

Other

Published
  • ISSN: 1873-2305
Pål Axel Olsson
E-mail: pal_axel [dot] olsson [at] biol [dot] lu [dot] se

Professor

Biodiversity

+46 46 222 42 47

E-A323

50

Research group

Plant Biology

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Doctoral students and postdocs

PhD students, main supervisor

Theodor Kindeberg

PhD students, assistant supervisor

Sandlilja

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