Expansion of round gobies in a non-navigable river system

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081766%3A_____%2F17%3A00480826" target="_blank" >RIV/68081766:_____/17:00480826 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216224:14310/17:00108753

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.limno.2017.09.001" target="_blank" >http://dx.doi.org/10.1016/j.limno.2017.09.001</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.limno.2017.09.001" target="_blank" >10.1016/j.limno.2017.09.001</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Expansion of round gobies in a non-navigable river system

Popis výsledku v původním jazyce

A number of Ponto-Caspian Gobiid species have greatly increased their geographical ranges over recent decades. Most expansion studies to date, however, have focused on navigable waterways. In this study, we present a summary of six-years (2008–2013) monitoring of round goby Neogobius melanostomus expansion along two connected non-navigable rivers. Contiguous range expansion was observed in both rivers, with dispersal rate ranging from 1.2 to 3.2 km/year. Gobies at newly invaded sites ranged from 20 to 117 mm, with both juveniles and adult fish observed. Though the data did not allow us to see any consistent pattern in the first years after detection, there was some evidence for a shift to a female-biased, juvenile-dominated population over time. While the abundance of non-native tubenose goby Proterorhinus semilunaris appeared to be negatively influenced by round goby establishment, diversity of nearshore native fish showed no evidence of dramatic decline attributable to round goby.

Název v anglickém jazyce

Expansion of round gobies in a non-navigable river system

Popis výsledku anglicky

A number of Ponto-Caspian Gobiid species have greatly increased their geographical ranges over recent decades. Most expansion studies to date, however, have focused on navigable waterways. In this study, we present a summary of six-years (2008–2013) monitoring of round goby Neogobius melanostomus expansion along two connected non-navigable rivers. Contiguous range expansion was observed in both rivers, with dispersal rate ranging from 1.2 to 3.2 km/year. Gobies at newly invaded sites ranged from 20 to 117 mm, with both juveniles and adult fish observed. Though the data did not allow us to see any consistent pattern in the first years after detection, there was some evidence for a shift to a female-biased, juvenile-dominated population over time. While the abundance of non-native tubenose goby Proterorhinus semilunaris appeared to be negatively influenced by round goby establishment, diversity of nearshore native fish showed no evidence of dramatic decline attributable to round goby.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10617 - Marine biology, freshwater biology, limnology

Projekt

<a href="/cs/project/GAP505%2F11%2F1768" target="_blank" >GAP505/11/1768: Nepůvodní hlaváčovité ryby: využití volné niky nebo ohrožení středoevropské ichtyofauny?</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Limnologica

ISSN

0075-9511

e-ISSN

—

Svazek periodika

67

Číslo periodika v rámci svazku

November

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

10

Strana od-do

27-36

Kód UT WoS článku

000417004300004

EID výsledku v databázi Scopus

2-s2.0-85032856400