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nature conservation

2019-2020 Preservation of evidence during the renaturation of salt pans in the Seewinkel area

Numerous salt pans in the Seewinkel area show massive changes since years and have often lost their typical fauna and flora. One of the causes lies in hydrological interventions in the sensitive groundwater regime due to unregulated endowment by hunters. The aim of the renaturation project is to carry out a field test on six salt pans near Apetlon by backwatering drainage ditches. Chemistry, soil structure, vegetation and aquatic settlement are documented.

Contribition of DWS Hydro-Ecology: Sampling, data analysis, technical report

Client: Arbeitsgemeinschaft Natürliche Ressourcen (AGN)

2011-2016 Monitoring of impacts of Bti on chironomids in the floodplains of Morava and Thaya

The aim of this study was the monitoring of possible impacts of Bti, which is used against mosquitoes in the Morava-Thaya floodplains, on other non-target organisms, especially non-biting midges or chironomids, one of the most important aquatic invertebrate groups in the water bodies studied. The results were published in a scientific journal (Link)

Client: Gelsenverein March-Thaya-Auen (according to the permit under Water Law)

2016 Literature study about Bacillus thuringiensis israelensis (Bti)

The aim of the study was to summarise the state of knowledge about Bti used against mosquitoes (and black flies) as well as possible impacts on other organisms Link BMNT Download

Client: Bundesministerium für Land- und Forstwirtschaft, Umwelt und Wasserwirtschaft

2013-2014 Strategy study Lake Neusiedl

The Neusiedler See region is a nature conservation hotspot and at the same time subject to manifold uses. In 2013, DWS Hydro-Ecology was commissioned with the preparation of an interdisciplinary, bilateral strategy study, with the objective to identify ways of securing the ecological and economic potential of the cultural landscape of Lake Neusiedl in the long term. The study involved more than 50 experts. It included an inventory of the status quo and a deficit analysis as well as a comprehensive catalogue of measures for the subjects of water management, limnology, nature conservation and spatial planning.

Client: Austrian-Hungarian Water Commission

2007 Nature impact assessment for the application of Bti in the floodplains of March and Thaya

under construction …

2004–2007 Fish-ecological monitoring in the EU LIFE project „Lafnitz”

The aim of this LIFE project was to restore the continuum of the Lafnitz river from its source to its estuary. Over a period of four years, the hydraulic engineering departments of the Styrian and Burgenland administration erected several fish passes, which had previously been obstacles to the migration of fish.

Contribution of DWS Hydro-Ecology (formerly Donabaum & Wolfram): Fish ecological accompanying investigations (electro-fishing, fish pass controls, evaluation), in co-operation with G. Woschitz
Client: Weideverein Ramsargebiet Lafnitztal

2004 Investigation of macroinvertebrates in the floodplains of Upper Lobau

The study aimed at improving our knowledge about the limnology of the Upper Lobau within the Donau-Auen National Park. The sediment and the benthic communities in several Danube backwaters were investigated by using UWITEC-Corers.

Task: Field work, laboratory analyses, data analysis and ecological assessment
Client: City of Vienna, MA45

2002–2004 Reference Book „Ramsar region Lafnitztal“

For nature conservation, the valley of the river Lafnitz is a hotspot in Eastern Austria and was included in June 2002 as the 11th of today’s 23 areas (status 2019) in the “List of Wetlands of International Importance” (Ramsar Convention). In order to highlight the special features of this area, but also to draw attention to the potential danger posed by human impact, the Federal Environment Agency commissioned a team of experts to produce a popular scientific publication summarising the current state of knowledge.

Contribution of DWS Hydro-Ecology: Chapters on hydro-ecology
In co-operation with: DI G. Schlögl, Dr. I. Korner, DI B. Wendelin, ZT DI A. Cejka, Mag. I. Fortmann, DI Dr. L. Cecil und Mag. Dr. T. Zechmeister (Oeconsult)
Client: Federal Environment Agency Vienna

2001-2002 Regional pilot project Johannesbach

Regional pilot project for the sustainable development of streams and ditches in the Pannonian field, exemplified in the consolidation area of Leithaprodersdorf at the Natura 2000 site Johannesbach – basic limnological and vegetation ecology study

Tasks: Investigation of makrozoobenthos, phytobenthos and fish; in cooperation with AVL (Terrestrial vegetation), Mag. Iris Fortmann (hydro-morphology), DI Thomas Ofenböck (unionid mussels), the Museum of Natural History / Dr. Ernst Mikschi (fish ecology) and DI Dr. Cecil (public relations)
Client
: Municipality of Leithaprodersdorf / Government of Burgenland

1996-2000 Reference book “Saline habitats in Austria”

There are three main areas in Austria, where natural terrestrial and aquatic salt habitats can be found: the largest in the Seewinkel area in the Northern Burgenland and two smaller ones near Zwingendorf and Baumgarten an der March. All of them are characterised by a large diversity or rare and endangered plant and animal species, among them also true salt specialists. In co-operation with other experts, Dr. Wolfram and his employees produced a review study on saline habitats in Austria, which was published as a book by the Umweltbundesamt GmbH.

Client: Umweltbundesamt GmbH Wien / Oeconsult