Expansion of round gobies in a non-navigable river system

Šlapanský, Luděk; Janáč, Michal; Roche, Kevin; Mikl, Libor; Jurajda, Pavel

doi:10.1016/j.limno.2017.09.001

Cited by 14 publications

(17 citation statements)

References 63 publications

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“…As a result, eurytopic species came to dominate the main channel while rheophilic and more specialised species occurred rarely or disappeared ( (Prasek & Jurajda, 2005;Šlapanský, Janáč, Roche, Libor, & Jurajda, 2017;Valová, Jurajda, & Janáč, 2006) and tubenose goby, which was introduced into the Nové Mlýny reservoir in the early 1990s (Lusk & Halačka, 1995). Larger species (e.g.…”

Section: Historical Conditionsmentioning

confidence: 99%

“…At the same time, tubenose goby abundance increased rapidly as they adapted to using vegetation as spawning and shelter habitat instead of riprap. Tubenose gobies are now a regular dietary item of native predators, which began visiting the banksides more frequently when round gobies were dominant (Mikl et al, 2017;Šlapanský et al, 2017). In recent years, numerous studies have attempted to provide broad-scale, long-term analyses on the potential effects of global climate change on freshwater species, including fish.…”

Section: F I G U R Ementioning

confidence: 99%

“…Some rheophilic and phytophilic species survive in low numbers owing to patches of beach habitat below weirs (barbel Barbus barbus ), vegetation near sluice gates (Prussian carp Carassius gibelio ) or because they prefer rocky habitat (burbot Lota lota ). By 2009, the bankside community comprised low numbers of juvenile and small eurytopic and limnophilic native species, with two widely established non‐native species dominant, topmouth gudgeon Pseudorasbora parva (Prasek & Jurajda, 2005; Šlapanský, Janáč, Roche, Libor, & Jurajda, 2017; Valová, Jurajda, & Janáč, 2006) and tubenose goby, which was introduced into the Nové Mlýny reservoir in the early 1990s (Lusk & Halačka, 1995). Larger species (e.g.…”

Section: The River Dyje Case Studymentioning

confidence: 99%

“…Round gobies were first recorded upstream of their natural Danubian range near Vienna (Austria) in 2000 (Wiesner et al., 2000; Table 1). They then appeared in the Slovak–Austrian stretch of the River Morava in 2006, and on the Dyje in 2008 (Lusk et al., 2008; Figure 1, Table 1, Table S1), and have subsequently been monitored annually (see Šlapanský et al., 2017).…”

Section: The River Dyje Case Studymentioning

confidence: 99%

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Turning back the tide? Local‐scale impacts of climate change may have positive effects by restoring natural riverine habitat and reducing invasive fish density

et al. 2020

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Over the last 200 years, European rivers have been severely altered through anthropogenic activities (Dudgeon et al., 2006), with barriers to movement, channelisation, replacement of natural shores with riprap bank stabilisation and installation of structures that alter hydrology leading to replacement of rheophilic by eurytopic species (Ramler & Keckeis, 2019a). Riprap-stabilised banks now represent the dominant shore type along many large European rivers, including the Danube and many of its non-navigable tributaries. Riprap has been directly implicated in the spread of some non-native invasive species, particularly Ponto-Caspian gobiids

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Section: Historical Conditionsmentioning

confidence: 99%

Section: F I G U R Ementioning

confidence: 99%

Section: The River Dyje Case Studymentioning

confidence: 99%

Section: The River Dyje Case Studymentioning

confidence: 99%

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Turning back the tide? Local‐scale impacts of climate change may have positive effects by restoring natural riverine habitat and reducing invasive fish density

et al. 2020

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“…Detrimental effects on the local fauna were reported from North America (Balshine, Verma, Chant, & Theysmeyer, 2005;Janssen & Jude, 2001;Lauer, Allen, & McComish, 2004) as well as Europe (Jůza et al, 2018;Kakareko et al, 2013;van Kessel, Dorenbosch, Kranenbarg, van der Velde, & Leuven, 2016;Števove & Kováč, 2016). Other studies, in contrast, found no or only marginal impacts of invasive gobies (Janáč, Roche, Šlapanský, Polačik, & Jurajda, 2018;Janáč, Valová, Roche, & Jurajda, 2016;Kornis, Sharma, & Vander Zanden, 2013;Šlapanský, Janáč, Kevin, Libor, & Pavel, 2017). This is probably due to the utilization of vacant niches and colonization of (artificial) habitats that are sub-optimal for most native species, such as shores stabilized with riprap (Ahnelt, Banarescu, Spolwind, Harka, & Waidbacher, 1998;Janáč et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Occurrence of non‐native fishes in the Danube east of Vienna (Austria) and potential interactions of invasive gobiids with native fishes

Ramler

Keckeis

2019

J Appl Ichthyol

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Summary Non‐native fish species pose a major threat to local fish populations and aquatic ecosystems in general. Invasive gobies are a particular focus of research, but with partly inconsistent results. While some studies reported severe detrimental impacts on native species, others have concluded less serious or neutral effects. We provide results from a large‐scale, multi‐annual fish monitoring program on the occurrence and abundance of non‐native fishes in the main stem of a free‐flowing section of the Austrian Danube. Special emphasis was placed on identifying positive or negative interactions of invasive gobies with native species. Whereas most non‐native species occurred too sporadically or were too few in number to infer a direct threat on the local fish community, invasive gobies were among the most common fishes throughout all sampling years. Co‐occurrence analyses revealed species‐ and mesohabitat type‐specific associations of gobies with native species, which were primarily positive. Notably, native predators such as asp, burbot, or perch probably benefit from the ubiquitous gobies. Two characteristic fluvial fishes revealed negative associations with invasive gobies, namely barbel (Barbus barbus) and Danube whitefin gudgeon (Romanogobio vladykovi): they appear to avoid habitats occupied by gobies. Accordingly, high abundances of round and bighead goby most likely resulted in population losses of barbel and whitefin gudgeon, respectively. Overall, our results indicate a limited negative impact of non‐native species in the sampling area. This is because only two out of 51 occurring species were found to be adversely affected by gobies, the share of co‐occurrences with native species was high, and other non‐native species were generally rare. Nevertheless, invasions are highly dynamic, and new non‐native species are likely to occur in the Austrian Danube, calling for continued monitoring and awareness.

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Tracking the early stages of an invasion with biotelemetry: behaviour of round goby (Neogobius melanostomus) in Canada’s historic Rideau Canal

et al. 2022

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Expansion of round gobies in a non-navigable river system

Cited by 14 publications

References 63 publications

Turning back the tide? Local‐scale impacts of climate change may have positive effects by restoring natural riverine habitat and reducing invasive fish density

Turning back the tide? Local‐scale impacts of climate change may have positive effects by restoring natural riverine habitat and reducing invasive fish density

Occurrence of non‐native fishes in the Danube east of Vienna (Austria) and potential interactions of invasive gobiids with native fishes

Tracking the early stages of an invasion with biotelemetry: behaviour of round goby (Neogobius melanostomus) in Canada’s historic Rideau Canal

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