Invasive Ponto-Caspian gobies in the diet of piscivorous fish in a European lowland river
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F17%3A00107143" target="_blank" >RIV/00216224:14310/17:00107143 - isvavai.cz</a>
Alternative codes found
RIV/68081766:_____/17:00477821
Result on the web
<a href="https://www.schweizerbart.de/papers/fal/detail/190/87606/Invasive_Ponto_Caspian_gobies_in_the_diet_of_piscivorous_fish_in_a_European_lowland_river?af=search" target="_blank" >https://www.schweizerbart.de/papers/fal/detail/190/87606/Invasive_Ponto_Caspian_gobies_in_the_diet_of_piscivorous_fish_in_a_European_lowland_river?af=search</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1127/fal/2017/1024" target="_blank" >10.1127/fal/2017/1024</a>
Alternative languages
Result language
angličtina
Original language name
Invasive Ponto-Caspian gobies in the diet of piscivorous fish in a European lowland river
Original language description
Between 2012 and 2013, we estimated predation of non-native Ponto-Caspian gobies by native piscivores in a European mid-sized lowland river by analysing 268 digestive tracts from six native species: perch Perca fluviatilis, burbot Lota iota, European catfish Silurus glanis, pike Esox lucius, Volga zander Sander volgensis and European zander S lucioperca. Species closely associated with the rip-rap bank had a higher proportion of gobies in their diet (burbot 66 % weight proportion [%m], >= 1+ perch 53 %m, <= 2+ European catfish 42 %m) than those feeding more in open water (pike 29 %m, Volga zander 4 %m) or those limited by gape size (gobiid remains never observed in 0+ perch or 0+ European zander). Young (<= 2+) European catfish and >= 1+ perch showed positive selection for tubenose goby Proterorhinus semilunaris, while burbot and pike showed a preference for round goby Neogobius melanostonius, though the values may have been affected by the relatively low sample sizes. We estimate that predators consumed approximately 52 % of goby biomass over our study stretch each year (burbot 41%, <= 2+ European catfish 5 %, pike 3 %, all other predatory species <2 % each), confirming that gobies rapidly become an important component in the aquatic food web of invaded rivers, both by preying on aquatic invertebrates and as prey to native predators (particularly burbot). On the other hand, our data suggest that the long-term impact on European goby populations, at least in our study area, has been limited, as indicated by their ongoing spread.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10617 - Marine biology, freshwater biology, limnology
Result continuities
Project
<a href="/en/project/GBP505%2F12%2FG112" target="_blank" >GBP505/12/G112: ECIP - European Centre of Ichtyoparasitology</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
FUNDAMENTAL AND APPLIED LIMNOLOGY
ISSN
1863-9135
e-ISSN
—
Volume of the periodical
190
Issue of the periodical within the volume
2
Country of publishing house
DE - GERMANY
Number of pages
15
Pages from-to
157-171
UT code for WoS article
000407540900006
EID of the result in the Scopus database
2-s2.0-85021211020