1. bookVolume 13 (2014): Issue 1 (June 2014)
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Journal
eISSN
1854-9829
First Published
10 Jul 2007
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2 times per year
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English
access type Open Access

Management Regimes within Syntaxa of Semi-Natural Grasslands in West Bulgaria

Published Online: 17 Jun 2014
Volume & Issue: Volume 13 (2014) - Issue 1 (June 2014)
Page range: 191 - 204
Received: 03 Feb 2013
Accepted: 01 Mar 2013
Journal Details
License
Format
Journal
eISSN
1854-9829
First Published
10 Jul 2007
Publication timeframe
2 times per year
Languages
English
Abstract

This study focuses on mesic and xeric grasslands of mostly secondary origin, and that are influenced by human activity. Mesic grasslands are traditionally used for hay-making, and xeric ones for pastures. Over the last 20 years, livestock farming in Bulgaria has significantly declined so that less grass is needed. Many types of grasslands are no longer used and lots of abandoned fields can be found nowadays in Bulgaria. The analyses in this study are based on 868 releves collected on xeric and mesic grasslands according to the methodological approach of Braun- Blanquet. As a result, five alliances within two classes are recognized: the class Festuco-Brometea, represented by three alliances, namely Cirsio-Brachypodion pinnati, Chrysopogono-Danthonion calycinae and Festucion valesiacae, and the class Molinio-Arrhenatheretea, represented by two alliances, namely Arrhenatherion elatioris and Cynosurion cristati. The majority of the managed grasslands are situated in close proximity to settlements. Most of the abandoned areas (30%) are found within Cirsio-Brachypodion alliance. These grasslands are characterized by the highest values of total cover of vegetation. They are located in the most distant and least accessible areas. If use is not resumed, all the abandoned grasslands will be under threat of extinction in the near future. At the same time, many arable lands have been abandoned and turned into grasslands by the processes of secondary succession.

Keywords

Ključne besede

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