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Restoration of Wetlands at Zahorie Lowland (WETREST)
Restoration of Wetlands at Zahorie Lowland
(WETREST)
Start date: Feb 1, 2005,
End date: Dec 31, 2008
PROJECT
FINISHED
Background
In Slovakia, wetlands are among the most seriously threatened natural ecosystems. They represent unique habitats for many plant and animal species. They are important for biodiversity conservation and for stabilising the water regime of the landscape. They retain water from rain and snow, only releasing the water slowly through natural processes of evaporation and out-flow.
During the preceding two decades, the total wetland area in Slovakia had declined dramatically and the vast majority of remaining natural and semi-natural wetlands were seriously threatened by human activities. The main cause of the decline were changes in the natural water regime, brought about by extensive drainage, peat extraction and land-reclamation schemes - mostly to provide more agricultural land, but also as part of intensification of forest management.
The changes had led to a decline in habitats and species associated with the wetlands and a reduction of the retention capacity of the areas concerned. Many species that were once common - such as amphibians or storks - had become rare, some of them even locally extinct. One of the most valuable remaining wetlands is located in the Zahorie Lowland, which is also one of the most important regions in Slovakia for biodiversity in general.
Objectives
The overall objective of the project was to contribute to the development of the Natura 2000 network in Slovakia and the conservation of habitats and species at national level. The project aimed to restore eight proposed Sites of Community Interest (pSCI) in the Zahorie Lowland, within which are found a network of mountain rivers and ponds, bogs, dunes, and riparian and alder forests.
The project aimed to restore the original water conditions at the eight project sites to enhance the quality of the river and adjacent habitats. It planned to do this by restoring river banks, installing five small weirs and filling in over a kilometre of drainage ditches. It also planned to construct a system of fish bypasses. These actions targeted improvement of the conservation status of some 1800 ha, as well as benefitting a number of species.
The project planned to re-establish traditional use on 165 ha of lowland hay meadows to restore their ecosystem functions. This would involve management through regular mowing and grazing To respond to the lack of appropriate long-term management, the team aimed to elaborate long-term restoration and management plans and amend existing forest management plans through a process involving extensive stakeholder participation.
Results
The WETREST project succeeded in improving the conservation status of the habitats and species at eight Sites of Community Importance (SCIs).
The project comprehensively analysed the threats and challenges facing each of the SCIs using existing data and botanical and zoological surveys on the project sites. On this basis, it developed long-term Management Plans for each respective SCI. The plans were due to be officially approved after the end of the project. It also submitted amendments to seven official Forest Management Plans, with an acceptance ratio of 74% to 100%.
A total of two training courses - with 26 and 19 participants - and four study visits with around a dozen participants each were organised for project personnel, as well as five additional short study visits with just two or three key personnel at a time
Restoration plans were made for non-recurring restoration and management activities in each of the project sites. In implementing these activities, the project exceeded its target of filling one kilometre of drainage ditches across all sites and also cleared dead trees from a targeted site. The project constructed one large weir and a fish by-pass on the Rudava River. The project also restored meadows along the Rudava River, removing woody vegetation and herbaceous weeds from 178.4ha.
The actions were deemed to have improved the conservation status of the areas with noticeable improvements in the water regimes. The habitat improvements should enable wetland tree species such as the European alder (Alnus glutinosa) to prosper at the expense of pine in the long run. The beneficiary already noticed higher numbers of wetland species of orchid (Liparis loeselii), dragonfly (Leucorrhinia pectoralis), butterfly (Maculinea teleius; Lycaena dispar), beaver (Castor fiber) and stork (Ciconia nigra).
There are good prospects for the continuation of the project management plans, however at the same time, further threats to the vulnerable habitats from policies in areas of forestry, hunting and tourism are increasing. The project produced information in various printed and electronic formats as well as erecting information posts, holding public events and meetings, and engaging actively with the media to build public support for the protection of the sites.
Further information on the project can be found in the project's layman report and After-LIFE Conservation Plan (see "Read more" section).