Environmental Management

, Volume 49, Issue 5, pp 1054–1060

Organic Farming Benefits Local Plant Diversity in Vineyard Farms Located in Intensive Agricultural Landscapes

  • Juri Nascimbene
  • Lorenzo Marini
  • Maurizio G. Paoletti
Article

Abstract

The majority of research on organic farming has considered arable and grassland farming systems in Central and Northern Europe, whilst only a few studies have been carried out in Mediterranean agro-systems, such as vineyards, despite their economic importance. The main aim of the study was to test whether organic farming enhances local plant species richness in both crop and non-crop areas of vineyard farms located in intensive conventional landscapes. Nine conventional and nine organic farms were selected in an intensively cultivated region (i.e. no gradient in landscape composition) in northern Italy. In each farm, vascular plants were sampled in one vineyard and in two non-crop linear habitats, grass strips and hedgerows, adjacent to vineyards and therefore potentially influenced by farming. We used linear mixed models to test the effect of farming, and species longevity (annual vs. perennial) separately for the three habitat types. In our intensive agricultural landscapes organic farming promoted local plant species richness in vineyard fields, and grassland strips while we found no effect for linear hedgerows. Differences in species richness were not associated to differences in species composition, indicating that similar plant communities were hosted in vineyard farms independently of the management type. This negative effect of conventional farming was probably due to the use of herbicides, while mechanical operations and mowing regime did not differ between organic and conventional farms. In grassland strips, and only marginally in vineyards, we found that the positive effect of organic farming was more pronounced for perennial than annual species.

Keywords

Conventional farming Disturbance Grassland strip Hedgerow Herbicide Semi-natural habitats 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Juri Nascimbene
    • 1
  • Lorenzo Marini
    • 2
  • Maurizio G. Paoletti
    • 1
  1. 1.Department of BiologyUniversity of PadovaPadovaItaly
  2. 2.DAFNAEUniversity of PadovaLegnaro, PadovaItaly

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