Search Results - "Borcherding, J"
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Tracing the colonization process of non-native gobies into a large river: the relevance of different dispersal modes
Published in Biological invasions (01-08-2020)“…Ponto-Caspian gobies have invaded many river systems in the northern hemisphere, but their colonization patterns often remain unrecognized at the early stages…”
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Downstream migration of Atlantic salmon smolts past a low head hydropower station equippped with Archimedes screw and Francis turbines
Published in Ecological engineering (01-08-2017)“…Downstream migration of 112 radio-tagged Atlantic salmon smolts was studied in the Diemel, Germany, to examine 1) mortality and migration speeds during…”
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Non-native Gobiid species in the lower River Rhine (Germany): recent range extensions and densities
Published in Journal of applied ichthyology (01-02-2011)“…The tubenose goby (Proterorhinus semilunaris, Heckel, 1937; all names of gobiid fishes in accordance with Neilson and Stepien, 2009) was first registered in…”
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Spawning behaviour of Allis shad Alosa alosa: new insights based on imaging sonar data
Published in Journal of fish biology (01-06-2016)“…Spawning behaviour of Alosa alosa was observed by high resolution imaging sonar. Detected clouds of sexual products and micro bubbles served as a potential…”
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The invasive bighead goby Ponticola kessleri displays large-scale genetic similarities and small-scale genetic differentiation in relation to shipping patterns
Published in Molecular ecology (01-05-2016)“…Colonization events, range expansions and species invasions leave genetic signatures in the genomes of invasive organisms and produce intricate special…”
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Can acoustic shadows identify fish species? A novel application of imaging sonar data
Published in Fisheries management and ecology (01-08-2012)“…This study addresses a fish species discrimination method based on normalised elliptic Fourier descriptors applied to acoustic shadows derived by…”
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Competition, predation, cannibalism: the development of young-of-the-year perch populations in ponds with bream or roach
Published in Journal of applied ichthyology (01-06-2013)“…Summary Piscivory of perch can occur within a few weeks after perch hatch, leading to the development of two size‐cohorts, with the larger perch becoming…”
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Plasticity and consistency of behavioural responses to predation risk in laboratory environments
Published in Journal of zoology (1987) (01-11-2016)“…The individual animal is currently a major focus of behavioural research and an increasing number of studies raise the question of how between‐individual…”
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Survival and behaviour of Atlantic salmon smolts passing a run‐of‐river hydropower facility with a movable bulb turbine
Published in Fisheries management and ecology (01-06-2017)“…Downstream migration of radio‐tagged Atlantic salmon smolts, Salmo salar L., was studied in the Kinzig, Germany, to examine effects of passing a run‐of‐river…”
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Explaining recreational angling catch rates of Eurasian perch, Perca fluviatilis: the role of natural and fishing-related environmental factors
Published in Fisheries management and ecology (01-04-2013)“…Angling catch records are frequently used to reveal fish population developments. It is therefore important to understand the determinants of angling catches…”
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Activity and competitive behaviour of invasive Neogobius melanostomus and Ponticola kessleri (Gobiidae) from the River Rhine, Germany
Published in Ethology, ecology & evolution (01-10-2013)“…Behavioural experiments were conducted to gather information on how competitive behaviour between the invasive gobies Ponticola kessleri and Neogobius…”
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Movements of dead fish in rivers
Published in Animal biotelemetry (23-03-2017)“…Background The aim of telemetry studies is often to determine the fate and mortality rates of fish. A moving fish is usually regarded as alive and a long-term…”
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Food abundance affects both morphology and behaviour of juvenile perch
Published in Ecology of freshwater fish (01-06-2008)“…– Behaviour and morphology were both shown to differ between 1+ perch from two lakes that in earlier studies showed differences in size‐specific predation…”
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Preserving young-of-the-year Perca fluviatilis in ethanol, formalin, or in a frozen state and the consequences for measuring morphometrics
Published in Journal of applied ichthyology (01-10-2012)“…Summary As it is often not possible to immediately analyse individuals sampled in the field, captured fish are preserved and stored for later investigation…”
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First evidence for interspecific hybridization between invasive goby species Neogobius fluviatilis and Neogobius melanostomus (Teleostei: Gobiidae: Benthophilinae)
Published in Journal of fish biology (01-06-2013)“…Two hybrids between the monkey goby Neogobius fluviatilis and the round goby Neogobius melanostomus from the Rhine River were identified by genotyping and…”
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Age matters—Experienced predation risk affects behavior and morphology of juvenile 0+ and 1+ perch
Published in Limnologica (01-01-2014)“…Empirical field studies have shown relations between predation risk and differences in anti-predator behavior and morphology between and within perch…”
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Fatty acid composition and content of round goby (Neogobius melanostomus Pallas 1814) and monkey goby (Neogobius fluviatilis Pallas 1814), two invasive gobiid species in the lower Rhine River (Germany)
Published in Journal of applied ichthyology (01-06-2014)“…Here we hypothesize that, due to their brackish water origin, monkey goby and round goby in the River Rhine might have a higher content of long-chained PUFAs…”
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Field observations and laboratory experiments on growth and lipid content of young-of-the-year perch
Published in Ecology of freshwater fish (01-06-2007)“…Differences in growth and allocation of energy of young-of-the-year (YOY) perch (Perca fluviatilis) were studied in relation to both quantity and quality of…”
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First record of Pontian racer goby, Babka gymnotrachelus (Gobiidae: Teleostei), in the River Rhine, Germany
Published in Journal of applied ichthyology (01-12-2011)Get full text
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