Florian Borgwardt

Florian Borgwardt
University of Natural Resources and Life Sciences Vienna | boku

PhD.

About

68
Publications
27,749
Reads
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1,781
Citations
Citations since 2017
39 Research Items
1415 Citations
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2017201820192020202120222023050100150200250300
2017201820192020202120222023050100150200250300
2017201820192020202120222023050100150200250300
Additional affiliations
September 2009 - present
University of Natural Resources and Life Sciences Vienna
Position
  • Researcher

Publications

Publications (68)
Article
The Agenda 2030 of the United Nations stipulates an ambitious set of 17 Sustainable Development Goals (SDGs). They were globally agreed upon and demand coherent, context-specific implementation at the national level. To address the complexity of challenges therein, the Agenda is designed to be integrated, indivisible, and universal. The numerous mu...
Article
Full-text available
Zusammenfassung Weltweit ist die Aquakultur der am schnellsten wachsende Sektor in der tierischen Lebensmittelproduktion. Dieser Sektor wird voraussichtlich immer wichtiger werden, um den zukünftigen Nahrungsmittelbedarf zu decken. Im Binnenland Österreich ist der Selbstversorgungsgrad von Fisch mit 6 % insgesamt bzw. 48 % bei Süßwasserfischen eher...
Article
Full-text available
Zusammenfassung Im Rahmen dieser Arbeit wurden Abflusskennwerte für Hochwasser (MJHQ), Mittelwasser (MQ) sowie Niederwasser (MJNQ, MJNQ 7 , Q 95 , Q 98 ) für alle topografischen Einzugsgebiete der österreichischen Oberflächenwasserkörper inklusive der ausländischen hydrologischen Oberlieger-Regionen vorhergesagt. Die Regionalisierung der Abflussken...
Article
Full-text available
River regulation has significantly changed the river landscape of the Danube. The former habitat and species diversity have been lost to a large extent as a result. Although ecological improvement projects are continuously being implemented on the Danube, there is still a great lack of knowledge about the overall effect of these individual measures...
Presentation
River systems represent ca. 1% of the Earth’s surface, and are disproportionally important for biodiversity maintenance, as they maintain a high number of species. Furthermore, these systems provide a multitude of ecosystem services on which society is dependent. Because of this dependence, rivers have long been affected by anthropogenic pressures,...
Poster
Full-text available
Dammed Fish is a research project that aims to evaluate and propose solutions and tools to inform river network connectivity management to improve fish biodiversity and to enhance biotic quality of European rivers. For this purpose, river network connectivity management needs guidance to choose the best available solutions within a frame of ongoing...
Poster
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Longitudinal connectivity of freshwater systems allows upstream/downstream movements of aquatic migratory species. Multiple obstacles, partially or totally blocking upstream movements, promote cumulative non-additive impacts on freshwater fish. There are at least 1.2 million instream barriers in 36 European countries. It is important to assess the...
Article
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The interlinked character of the 2030 Agenda poses both a challenge and an opportunity in terms of coherent policy making. Accordingly, different methods have been used in approaching the interactions between SDG entities (goals, targets, indicators, policies, external entities) in several recent publications. In this paper, we provide a review and...
Article
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• Nymphs of all 29 described Prosopistoma species share a conspicuous synapomorphy: a round mesonotal shield, the carapace. They occur in the Palaearctic (nine species), the Oriental (12 species) and the Afrotropic as well as Australian regions (six and two species, respectively). Relatively little is known about their ecology, but past and extant...
Preprint
Full-text available
River ecosystems belong to the most threatened ecosystems on Earth. Historical anthropogenic alterations have, and future climate change will further affect river ecosystems and the species therein. While many studies assess the potential effects of expected future changes on species, little is known about the severity of these changes compared to...
Article
Full-text available
Proliferative kidney disease (PKD) is a disease found in salmonid fish that is widespread in Europe and North America. The dependency of the clinical signs on the water temperature is extensively reported in rainbow trout, but detailed information on brown trout is lacking. In this study, juvenile brown trout were exposed to the spores of Tetracaps...
Article
Full-text available
Two factors complicate the ecological status classification of very large rivers in Europe according to the EU Water Framework Directive: First, current assessment methods do not fully consider the specific ecology of very large rivers (such as lateral connectivity and the role of floodplains for ecological status). Second, most of Europe's very la...
Article
The summer tourism market in Austria builds significantly on the country's opportunities for outdoor recreation such as mountaineering, mountain biking or water sports. This paper looks at the most important activities from a tourism perspective and considers the likelihood of impacts by climate change based on an extended literature review. It als...
Chapter
Full-text available
Der Sommertourismus in Österreich trägt wesentlich zu der großen Bedeutung des Tourismus insgesamt bei. So hat die Zahl der Nächtigungen in den Sommermonaten in Österreich 2018 erneut einen Höchstwert erreicht. Mit bisher 68,67 Mio. Nächtigungen liegt die Sommersaison 2018 (Mai bis September) um 2,2 % über dem Vorjahresniveau. Auch die Zahl der Ank...
Chapter
Full-text available
Biodiversity and environmental integrity of river systems in the Danube catchment is threatened by multiple human alterations such as channelization, fragmentation or the disconnection of floodplains. Multiple human activities, including the construction of hydropower plants, expansion of agricultural use, and large-scale river regulation measures...
Article
Full-text available
Water temperature is one of the most important abiotic parameters in rivers having direct and indirect effects on fish. Especially cold-water species like the brown trout (Salmo trutta) are limited by high temperatures. Beside direct physiological stress, higher water temperatures also reinforce the emergence of diseases. In this study we investiga...
Article
Statistische Art-Areal-Modelle werden zunehmend für Fließgewässerökosysteme angewendet. Um der Herausforderung der Konnektivität in diesen Ökosystemen gerecht zu werden, dienen häufig unregelmäßige Teileinzugsgebiete als Modellierungseinheiten. Eine Veränderung der Größe dieser Einheiten kann zu veränderten statistischen Beziehungen zwischen Umwelt...
Article
Full-text available
Abstract Species distribution models (SDMs) are statistical tools to identify potentially suitable habitats for species. For SDMs in river ecosystems, species occurrences and predictor data are often aggregated across subcatchments that serve as modeling units. The level of aggregation (i.e., model resolution) influences the statistical relationsh...
Article
Full-text available
Proliferative kidney disease (PKD) is an emerging parasitic disease that affects wild and farmed salmonid fishes worldwide. Currently, it is widespread in Europe with records in many countries. This study assessed the status of PKD in the river Wulka, a small Austrian river, which was known to host a vital brown trout population despite having high...
Article
Full-text available
Understanding and predicting the ecological consequences of different management alternatives is becoming increasingly important to support environmental management decisions. Ecological models could contribute to such predictions, but in the past this was often not the case. Ecological models are often developed within research projects but are ra...
Article
Full-text available
The sustainable management of very large rivers is based on the assessment of their environmental condition. However, unlike for smaller rivers, this assessment is yet less advanced due to the specific complexities of very large river systems. In Europe, this is reflected by the lack of an international large river typology classifying these ecosys...
Article
Full-text available
Aim Systematic conservation planning is vital for allocating protected areas given the spatial distribution of conservation features, such as species. Due to incomplete species inventories, species distribution models (SDMs) are often used for predicting species’ habitat suitability and species’ probability of occurrence. Currently, SDMs mostly ign...
Article
Full-text available
Global initiatives have been increasingly focusing on mainstreaming the values of biodiversity and ecosystem services into decision-making at all levels. Due to the accelerated rate at which biodiversity is declining and its consequences for the functioning of ecosystems and subsequently, the services they provide, there is need to develop comprehe...
Article
Full-text available
The capacity of ecosystems to supply ecosystem services is decreasing. Sustaining this supply requires an under- standing of the links between the impacts of pressures introduced by human activities and how this can lead to changes in the supply of services. Here, we apply a novel approach, assessing‘ risk to ecosystem service supply’ (RESS), acros...
Article
Full-text available
Freshwater biodiversity is declining, despite national and international efforts to manage and protect freshwater ecosystems. Ecosystem-based management (EBM) has been proposed as an approach that could more efficiently and adaptively balance ecological and societal needs. However, this raises the question of how social and ecological objectives ca...
Article
Full-text available
Aquatic ecosystems are under severe pressure. Human activities introduce an array of pressures that impact ecosystems and their components. In this study we focus on the aquatic domains of fresh, coastal and marine waters, including rivers, lakes and riparian habitats to transitional, coastal as well as shelf and oceanic habitats. In an environment...
Article
Full-text available
Large river-floodplain systems are hotspots of biodiversity and ecosystem services but are also used for multiple human activities, making them one of the most threatened ecosystems worldwide. There is wide evidence that reconnecting river channels with their floodplains is an effective measure to increase their multi-functionality, i.e., ecologica...
Article
Full-text available
Proliferative Kidney Disease of salmonids (PKD)-a re-emerging fish disease Proliferative Kidney Disease (PKD) leads to kidney enlargement in salmonid fish. The severity ranges from latently infected fish excreting spores without showing signs of disease to animals that die after acute symptoms. The onset and degree of the clinical signs of this par...
Chapter
Full-text available
Dendritic stream-river networks are the backbone of most landscapes on earth’s surface and determine linkages between terrestrial and aquatic ecosystems. These networks are hierarchically organized from microhabitats to the scale of whole catchments (Frissell et al. 1986). Accordingly, many processes of lotic freshwater ecosystems are determined by...
Chapter
Full-text available
The unprecedented rates of warming observed during recent decades exceed natural variability to such an extent that it is widely recognized as a major environmental problem not only among scientists. The role of our economy in driving such change has made it an economic and political issue. There is ample evidence that climate characteristics are c...
Article
Full-text available
For centuries, rivers have experienced massive changes of their hydromorphic structures due to human activities. The Danube River, the second largest river in Europe, is a case in point for long-term societal imprint. Resulting human-induced pressures are a key issue for river management, aiming to improve the ecological conditions and guarantee th...
Article
Full-text available
Freshwater ecosystems are known to harbour a rich diversity of habitats and species, but knowledge on the actual distribution of many species still remains scattered or unknown. Supported through the BioFresh project, we collected occurrence records of the insect order Trichoptera throughout Europe. By addressing 82 caddisfly experts, we compiled o...
Article
Full-text available
Vorliegende transdisziplinäre Studie untersuchte im Rahmen des ACRP Projektes BIO_CLIC die Wirkung der Ufervegetation auf das Wassertemperaturregime sowie die Interaktionen mit aquatischen Organismen von kleinen und mittelgroßen Flüssen am Beispiel von Lafnitz und Pinka. Ziel ist es, relevante Zusammenhänge zu analysieren und darzustellen, um darau...
Article
Full-text available
A range of perspectives is presented from the International Fisheries Section of the American Fisheries Society on climate change effects on inland fisheries from standing and flowing waters in Africa, Asia, Australia, Europe, and Latin America. Many of the world's inland fisheries face common threats, such as eutrophication, overfishing, species i...
Article
Full-text available
Climate change will impact the riverine environment of aquatic organisms. However, most studies focus solely on environmental characteristics to evaluate future distribution shifts. Here, we analyse current and future distribution of the freshwater fish species Thymallus thymallus in relation to the caddisfly Allogamus auricollis. Current and futur...
Technical Report
Large rivers have always been in the focus of human attention. Ancient and modern civilisations have arisen, prospered and dwindled on their banks, leaving us with the myths and legends that their waters provoked. Large rivers are of major economic relevance as providers of substantial services like, most notably drinking water, food, energy and tr...
Technical Report
Full-text available
The AQUACROSS concept introduced in this deliverable aims to make ecosystem-based management (EBM) an ecosystem-service and resilience-oriented concept that can be made fully operational in the context of the management of aquatic ecosystems (inland, coastal and marine). The AQUACROSS Assessment Framework (AF) will, for the first time, generate con...
Technical Report
Full-text available
This deliverable is composed of four chapters describing products of the MARS project, which will contribute to harmonize the outcome of the experiments (WP3), of the catchment modelling (WP4) and of the large-scale data analysis (WP5). All these work areas address the effects of multiple stressors on water resources and aquatic ecosystems, but are...
Article
This article gives a rough overview on the occurrence and distribution of selected benthic invertebrates along the Danube River. The description of the benthic community within typological units of the Danube is based on the results from the Joint Danube Surveys. Species richness and abundance illustrate the structure and dominant groups of the ben...
Article
Full-text available
Fish assemblage structures show non-random patterns along the longitudinal gradient of rivers. We analysed the impact of climate change on riverine fish assemblages using the Fish Zone Index—a structural index reflecting these conditions. The dataset contained 92 fish species at 559 sampling sites spread over 14 European countries. We regressed the...
Article
Fish assemblage structures show non-random patterns along the longitudinal gradient of rivers. We analysed the impact of climate change on riverine fish assemblages using the Fish Zone Index— a structural index reflecting these conditions. The dataset contained 92 fish species at 559 sampling sites spread over 14 European countries. We regressed th...
Article
Full-text available
Riverine ecosystems are affected by different pressures. Besides water pollution, hydro-morphological alterations, connectivity disruptions, loss of habitat and other abiotic factors, climate change jeopardizes the fish-ecological integrity of river ecosystems especially downstream of lakes. The rise of temperature is the best known phenomenon of g...
Article
Species inhabiting fresh waters are severely affected by climate change and other anthropogenic stressors. Effective management and conservation plans require advances in the accuracy and reliability of species distribution forecasts. Here, we forecast distribution shifts of Salmo trutta based on environmental predictors and examine the effect of u...
Article
Climate change is predicted to be a major threat to river ecosystems in the 21st century, but long-term records of water temperature in streams and rivers are rare. This study uses long-term water temperature series from the Elbe and the Danube River Basin to quantify the variability, magnitude, and extent of temperature alterations at different ti...
Article
Full-text available
Species distribution modelling, as a central issue in freshwater ecology, is an important tool for conservation and management of aquatic ecosystems. The brown trout (Salmo trutta) is a sensitive species which reacts to habitat changes induced by human impacts. Therefore, the identification of suitable habitats is essential. This study explores the...
Conference Paper
Water temperature is amongst other factors a key driver of fish community composition in rivers. In general, fishes occupy the highest trophic levels in riverine ecosystems integrating processes acting at lower trophic levels. Fishes as homoeothermic organisms are dependent on water temperature in all stages of their life history. Thus, fishes are...
Article
Full-text available
The present review with focus on the last decade (2000–2010) aims to (i) collecting the major hypotheses explaining freshwater biodiversity pat-terns, (ii) identifying the main stressors affecting freshwater biodiversity, and (iii) revealing informa-tion gaps regarding ecosystem types, organism groups, spatial and temporal scales to highlight resea...
Article
Full-text available
This report, comprising four studies, attempts to assess the consequences of climate change on the distribution of 23 fish species, as well as the effects of climate change on functional assemblages. The first study aimed to estimate the ecological requirements of these species, by modelling the occurrences of fish species with environmental factor...
Article
Extensive degradation of ecosystems, combined with the increasing demands placed on the goods and services they provide, is a major driver of biodiversity loss on a global scale. In particular, the severe degradation of large rivers, their catchments, floodplains and lower estuarine reaches has been ongoing for many centuries, and the consequences...
Conference Paper
In the EU-Project Biofresh (http://www.freshwaterbiodiversity.eu/), biodiversity of freshwater ecosystems is a key component. As part of Biofresh, this study comprises two main issues: (1) description of a fish assemblage typology for unimpacted fish sampling sites and (2) analyses of climate change impacts on the elaborated typology. The fish faun...

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