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Search results for publications (keywords "Philipp Hirsch")

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Publication: JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)

Author  Year  Title  Abstract  Publisher  Affiliated organization 
Bartels, Pia; Hirsch, Philipp Emanuel; Svanbäck, Richard; Eklöv, Peter
2012
Trait combinations that lead to a higher efficiency in resource utilization are important drivers of divergent natural selectionand adaptive radiation. However, variation in environmental features might constrain foraging in complex ways andtherefore impede the exploitation of critical resources. We tested the effect of water transparency on intra-populationdivergence in morphology of Eurasian...
PLoS ONE
Departement Umweltwissenschaften
Hirsch, Philipp Emanuel; Eckmann, Reiner; Oppelt, Claus; Behrmann-Godel, Jasminca
2013
Human-induced nutrient input can change the selection regime and lead to the loss of biodiversity. For example, eutrophication caused speciation reversal in polymorphic whitefish populations through a flattening of littoral-pelagic selection gradients. We investigated the current state of phenotypic and genetic diversity in whitefish (Coregonus macrophthalmus) in a newly restored lake whose...
Evolutionary applications
Departement Umweltwissenschaften
Kalchhauser, I.; Mutzner, P.; Hirsch Ph. E.; Burkhardt-Holm, P.
2013
A number of Ponto-Caspian gobiid species are currently invading European coasts and freshwaters. They do not only present a nuisance to fishermen, but evidence suggests that they compete with native benthic fishes and may contribute to changes in ecosystem function. This paper reports the presence of round goby Neogobius melanostomus individuals and an established population of bighead goby...
BioInvasions Records
Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Hirsch, Philipp; Schillinger, Sebastian; Weigt, Hannes; Burkhardt-Holm, Patricia
2014
Water level fluctuations in lakes lead to shoreline displacement. The seasonality of flooding or beaching of the littoral area affects nutrient cycling, redox gradients in sediments, and life cycles of aquatic organisms. Despite the ecological importance of water level fluctuations, we still lack a method that assesses water levels in the context of hydropower operations. Water levels in...
PLoS ONE
Departement Umweltwissenschaften / Aquatische Ökologie (Holm), Departement Wirtschaftswissenschaften / Energieökonomik (Weigt)
Holm, P.; Kalchhauser, I.; Hirsch, P.
2014
The number of non-native fish species in our water bodies isincreasing in the course of globalisation. They navigate artificial canals, travel in ballast water of ships or are displaced as eggs attached to ships and other materials. Many of these species remain unnoticed but some may establish a reproductive population and even cause harm. Invasive gobies from the Black Sea – especially the...
Biologie in unserer Zeit
Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Hirsch, Philipp E.; Eckmann, Reiner
2015
In this study we show that the number, position and shape of stripes were sufficiently unique to demonstrate that juvenile Eurasian perch Perca fluviatilis can be individually identified based on their stripe patterns. The stripe patterns in perch and also other species may thus be used in experiments as an alternative to conventional marking techniques that frequently cause stress to the fish.
Limnologica - Ecology and Management of Inland Waters
Departement Umweltwissenschaften
Hirsch, P. E.; Burkhardt-Holm, P.; Töpfer, I.; Fischer, P.
2016
The study of individual movement patterns and habitat choice is a fundamental step to assess an invasive species' range extension and to inform possible management options. The spiny-cheek crayfish is an invasive species currently spreading in Europe and also in Lake Constance. This is of concern because the greater Lake Constance area still holds refugial populations of native crayfish that might...
Aquatic Invasions
Departement Umweltwissenschaften
N'Guyen, Anouk; Hirsch, Philipp; Adrian-Kalchhauser, Irene; Burkhardt-Holm, Patricia
2016
Managing invasive species is a major challenge for society. In the case of newly established invaders, rapid action is key for a successful management. Here, we develop, describe and recommend a three-step transdisciplinary process (the “butterfly model”) to rapidly initiate action for invasion management. In the framing of a case study, we present results from the first of these...
Ambio
Faculty of Science, Departement Umweltwissenschaften, Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Hirsch, Philipp Emanuel; Schillinger, Moritz; Appoloni, Katharina; Burkhardt-Holm, Patricia; Weigt, Hannes
2016
Hydropower reservoirs play an increasingly important role for the global electricity supply. Reservoirs are anthropogenically-dominated ecosystems because hydropower operations induce artificial water level fluctuations (WLF) that exceed natural fluctuations in frequency and amplitude. These WLF have detrimental ecological effects, which can be quantified as losses to ecosystem primary production...
Sustainability
Departement Umweltwissenschaften, Faculty of Business and Economics, Faculty of Science
Hirsch, P. E.; N'Guyen, A.; Adrian-Kalchhauser, I.; Burkhardt-Holm, P.
2016
Invasive species are one of the greatest threats to biodiversity worldwide, and to successfully manage their introductions is a major challenge for society. Knowledge on the impacts of an invasive species is essential for motivating decision makers and optimally allocating management resources. We use a prominent invasive fish species, the round goby (Neogobius melanostomus) to objectively...
Ambio
Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Hirsch, P. E.; Adrian-Kalchhauser, I.; Flämig, S.; N'Guyen, A.; Defila, R.; Di Giulio, A.; Burkhardt-Holm, P.
2016
Non-native invasive species are a major threat to biodiversity, especially in freshwater ecosystems. Freshwater ecosystems are naturally rather isolated from one another. Nonetheless, invasive species often spread rapidly across water sheds. This spread is to a large extent realized by human activities that provide vectors. For example, recreational boats can carry invasive species propagules as...
Ecology and Evolution
Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Hirsch, Philipp Emanuel; Thorlacius, Magnus; Brodin, Tomas; Burkhardt-Holm, Patricia
2017
Animal personalities are an important factor that affects the dispersal of animals. In the context of aquatic species, dispersal modeling needs to consider that most freshwater ecosystems are highly fragmented by barriers reducing longitudinal connectivity. Previous research has incorporated such barriers into dispersal models under the neutral assumption that all migrating animals attempt to...
Ecology and Evolution
Departement Umweltwissenschaften
Straub, Sandrine; Hirsch, Philipp E.; Burkhardt-Holm, Patricia
2017
Research on the uptake and effects of bioplastics by aquatic organisms is still in its infancy. Here, we aim to advance the field by comparing uptake and effects of microplastic particles (MPP) of a biodegradable bioMPP (polyhydroxybutyrate (PHB)) and petroleum-based MPP (polymethylmethacrylate (PMMA)) in the freshwater amphipod Gammarus fossarum. Ingestion of both MPP in different particle sizes...
International Journal of Environmental Research and Public Health
Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Adrian-Kalchhauser, Irene; N'Guyen, Anouk; Hirsch, Philipp E.; Burkhardt-Holm, Patricia
2017
Aquatic Invasions
Departement Umweltwissenschaften / Aquatische Ökologie (Holm), Departement Umweltwissenschaften
Hirsch, Philipp Emanuel; N'Guyen, Anouk; Muller, Roxane; Adrian-Kalchhauser, Irene; Burkhardt-Holm, Patricia
2018
The vast majority of global freshwater ecosystems are small lakes with less than 100 m 2 surface area. These lakes are often unconnected to other water bodies but frequently host fish populations. Existing explanations for how fish colonize such remote habitats often involve birds as vectors transporting fish eggs as propagules. In this study, we aim to quantify the prevalence of these...
Fish and fisheries
Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
N'Guyen, Anouk; Hirsch, Philipp E.; Bozzuto, Claudio; Adrian-Kalchhauser, Irene; Hôrková, Kristína; Burkhardt-Holm, Patricia
2018
1. When prevention of invasive species' introductions fails, society faces the challenge to manage invasive species in an effective and efficient way. The success of this depends on biological aspects and on cooperation between decision makers and scientists. Using the case of the round goby Neogobius melanostomus, one of Europe's "worst invasive species", we propose an approach guiding scientists...
Journal of Applied Ecology
Departement Umweltwissenschaften / Aquatische Ökologie (Holm), Departement Umweltwissenschaften
Di Giulio, Antonietta; Ruesch Schweizer, Corinne; Defila, Rico; Hirsch, Philipp; Burkhardt-Holm, Patricia
2019
The article addresses citizen competence for sustainable consumption in adults. It discusses whether it is possible to develop educational offerings for adults (being by nature short and isolated) that effectively promote this competence and whether it makes a difference if sustainable consumption is approached by focusing on good life (quality of life) and justice or by focusing on natural...
Sustainability
Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Somerville, Vincent; Schwaiger, Michaela; Hirsch, Philipp E.; Walser, Jean-Claude; Bussmann, Karen; Weyrich, Alexandra; Burkhardt-Holm, Patricia; Adrian-Kalchhauser, Irene
2019
The question as to how early life experiences are stored on a molecular level and affect traits later in life is highly topical in ecology, medicine, and epigenetics. In this study, we use a fish model to investigate whether DNA methylation mediates early life experiences and predetermines a territorial male reproductive phenotype. In fish, adult reproductive phenotypes frequently depend on...
Genes
Departement Umweltwissenschaften, Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Behrens, Jane W.; von Friesen, Lisa W.; Brodin, Tomas; Ericsson, Philip; Hirsch, Philipp Emanuel; Persson, Anders; Sundelin, Anna; van Deurs, Mikael; Nilsson, P. Anders
2020
Differences between individuals in behavioral type (i.e. animal personality) are ecologically and evolutionarily important because they can have significant effects on fitness components such as growth and predation risk. In the present study we are used the invasive round goby (Neogobius melanostomus) from an established population in controlled experiments to examine the relationships among...
Physiology & Behavior
Departement Umweltwissenschaften, Departement Umweltwissenschaften / Aquatische Ökologie (Holm)
Schillinger, Moritz; Weigt, Hannes; Hirsch, Philipp Emanuel
2020
The global energy system changes towards renewables-dominated and liberalized markets. This requires making novel trade-offs between the profitable development of hydropower and its environmental effects on the natural flow regime. Here, we used a pristine river as a model for how these future changes will affect the natural flow regime and identify future changes on previously overlooked levels....
PLoS ONE
Departement Wirtschaftswissenschaften / Energieökonomik (Weigt), Departement Umweltwissenschaften
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