Modification in the nest guarding strategy — one of the reasons of the round goby (Neogobius melanostomus) invasion success in the Gulf of Gdańsk?

Sapota, Mariusz R.; Bałazy, Piotr; Mirny, Zuzanna

doi:10.2478/s13545-014-0113-3

Cited by 7 publications

(6 citation statements)

References 17 publications

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“…Barton et al 2005;Lederer et al 2006;Raby et al 2010;, the invasive process in the Baltic has been treated as a 'Cinderella subject' and in comparison fewer studies were published (e.g. Janssen & Jude 2001;Barton et al 2005;Lederer et al 2006;Copp et al 2008;Raby et al 2010;Sapota et al 2014;Kotta et al 2016). This has led to an opportunity to investigate the invasive and colonization process of a new species.…”

Section: Introductionmentioning

confidence: 99%

Predator and prey: the role of the round gobyNeogobius melanostomusin the western Baltic

Oesterwind

Bock

Förster

et al. 2017

Marine Biology Research

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Different studies on the position of the non-indigenous species Neogobius melanostomus within the coastal food web of the Pomeranian Bay (western Baltic) were performed, resulting in a quantitative and qualitative species list of prey organisms found in the stomachs of the invader and an estimation concerning the importance of round goby as prey for different resident predators. It seems that the colonization process is not fully completed yet, but the results reveal that the species is already established in the food web 16 years after the first observation within the study area. The results show that N. melanostomus feed upon a wide range of different resident organisms. While a direct predation effect on native fish species appears rather unlikely, indirect effects such as competition cannot yet be excluded. In addition, our results reveal an ontogenetic diet shift and that the round goby itself already serves as an important prey for piscivorous fish and seabirds. Finally, we formulate different hypotheses based on our results which will require further research. ARTICLE HISTORY

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Section: Introductionmentioning

confidence: 99%

Predator and prey: the role of the round gobyNeogobius melanostomusin the western Baltic

Oesterwind

Bock

Förster

et al. 2017

Marine Biology Research

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“…Round goby has been speculated to benefit from warming temperatures, so that its establishment northwards would be facilitated with a warming climate (HELCOM/Baltic Earth 2021). The species was reported as spawning in the southern Baltic Sea at temperature 18 °C (Tomczak and Sapota, 2006). It is currently frequent to common northwards up to the southern Bothnian Sea (SLU unpubl,).…”

Section: Non-indigenous Speciesmentioning

confidence: 99%

Potential future climate change effects on Swedish fish and fisheries

Bartolino,

Bergström,

Erlandsson

et al. 2023

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Oceans have been warming at an unprecedented rate over the last few decades and climate change is having profound effects on biodiversity and other ecosystem services that oceans provide for human well-being. The motivation for this report is a strong need to understand the consequences of climate change on aquatic ecosystems to develop strategies to minimize the impact on fished species, fisheries and society. The introduction and first chapters of the report are based on a literature review, which summarizes the current state of knowledge about climate change in the Swedish marine and coastal areas, patterns emerging from the main climate scenarios, and potential effects on fish and fisheries. This is followed by an analysis of species environmental limits and tolerances to a warming environment, focusing on selected fish and invertebrate species of commercial relevance. Thermal safety margins show a smaller buffer for species of boreal origin including the northern shrimp, the gadoids and vendace, among others. Analyses of preferred spawning temperatures and depths enable a preliminary overview of the potential sensitivities of species to a warming environment, showing inter alia that species requiring shallow and cold waters for reproduction are likely more sensitive to the effect of warming. The report also includes a specific analysis of how changes in temperature, salinity and oxygen may affect the availability of suitable spawning and nursery habitats in the Baltic Sea. Using information from recently updated maps of potential spawning and recruitment areas in the Baltic Sea, the potential loss of reproductive grounds is evaluated in an ensemble analysis based on multiple climate scenarios. Finally, the report includes a climate risk analysis, which integrates information on the stocks' specific susceptibilities to climate change (hazard), with information on the vulnerabilities of the evaluated systems and their exposure to climate change. The integration is carried out at the level of different fishing segments (fleets) and at the level of the different coastal administrative regions in Sweden. Thus, the risk analysis aims to identify the relative distribution of climate risk among fishing fleets and geographical regions, and explores how this may develop under alternative climate scenarios. The results show that the risk ranks higher for the salmon, vendace and shrimp fisheries, while geographically, the northern Baltic Sea ranks higher in risk compared to other regions. Most importantly, the analyses show that the risk is not equally driven by hazard, vulnerability and exposure for the different fleets and regions, suggesting that no single risk-reducing approach is sufficient and appropriate across all areas and fleets. The report concludes with a gap analysis together with suggestions for next steps to improve the state of knowledge and enable more precise risk analyses in the future, as well as with summary conclusions.

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“…The round goby is a successful invader across very different ecosystems, including brackish and freshwater systems, and shows greatly varying life-history traits (Hôrková & Kováč, 2014). Nest site availability differs between ecosystems (Sapota, Balazy, & Mirny, 2014) and environmental heterogeneity influences round goby abundance (Kornis, Sharma, & Vander Zanden, 2013). Thus, trapping efficiency most likely varies among ecosystems, and other methods than minnow traps may be more efficient, e.g.…”

Section: Application To Other Systemsmentioning

confidence: 99%

“…eggs per nest 4,655 0.75 quantile of eggs in artificial nests based on own data η Max. number of nests per m 2 2Alternatively tested values: 0.1, 1, 4 nests per m 2 , source for general rangeFigure 2inSapota et al (2014) α i Proportion of eggs laid, on average, during batch i for a total of 3 batches i = 1, 2, 3 4/10, 3/10, 3/10Based on own dataManagement (control variables)ε a Catchability coefficient adults 0.2356 (0.0926, 0.4812) Maximum likelihood estimation based on own data; mean used as "standard", lower and upper bound used for simulations shown inFigure 5…”

mentioning

confidence: 99%

A dynamical model for invasive round goby populations reveals efficient and effective management options

N’Guyen

Hirsch

Bozzuto³

et al. 2017

Journal of Applied Ecology

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Abstract1. 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 to co-produce effective and efficient population control measures in collaboration with decision makers.2. We surveyed the effectiveness, urgency and simplicity perceived by decision makers as well as the support of two population control options: removal of eggs and/ or adults. Using a field study and a dynamical population model, we investigated the effectiveness and efficiency for both options in different population contexts.3. Decision makers initially seemed to lack a clear preference for either control option.After being presented with preliminary field and modelling results, decision makers mostly approved measures being developed to implement the two control options.4. Starting population control early after detecting the species requires in total fewer years for eradication than controlling an established population: to reach an eradication success rate of 95%, 13 years for early start vs. 18 years for late start are needed when removing eggs and adults; when removing adults only, 20 vs. 29 years are needed. Removing eggs and adults combined results in a yearly effort of 5.01 h/m 2 , while removing adults only results in a yearly effort of 1.76 h/m 2 . Thus, removing adults only proves to be the most efficient option to eradicate the population. Nonetheless, considerable effort is needed: when removing less than 57% of the adult population, eradication is not feasible, even assuming low survival and fecundity rates for the population. Furthermore, inflow of new propagules renders eradication efforts ineffective. Synthesis and applications.Scientists who aim to support decision makers in finding an optimal control strategy for invasive species need to be able to provide scientific knowledge on effectiveness and efficiency of different options. For round goby and most non-native species, eradication is only feasible if started early in recently arrived populations and if inflow of new propagules can be prevented.

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Modification in the nest guarding strategy — one of the reasons of the round goby (Neogobius melanostomus) invasion success in the Gulf of Gdańsk?

Abstract: The round goby was noted for the first time in the Gulf of Gdańsk in 1990. After a few years, the round goby had invaded all suitable areas in the west part of the Gulf of Gdańsk.

Cited by 7 publications

References 17 publications

Predator and prey: the role of the round gobyNeogobius melanostomusin the western Baltic

Predator and prey: the role of the round gobyNeogobius melanostomusin the western Baltic

Potential future climate change effects on Swedish fish and fisheries

A dynamical model for invasive round goby populations reveals efficient and effective management options

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