Trophic role of marbled crayfish in a lentic freshwater ecosystem
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12520%2F19%3A43899968" target="_blank" >RIV/60076658:12520/19:43899968 - isvavai.cz</a>
Result on the web
<a href="http://www.aquaticinvasions.net/2019/AI_2019_Liptak_etal.pdf" target="_blank" >http://www.aquaticinvasions.net/2019/AI_2019_Liptak_etal.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3391/ai.2019.14.2.09" target="_blank" >10.3391/ai.2019.14.2.09</a>
Alternative languages
Result language
angličtina
Original language name
Trophic role of marbled crayfish in a lentic freshwater ecosystem
Original language description
Species' introductions may cause severe adverse effects on freshwater ecosystems and their biota. The marbled crayfish, Procambarus virginalis Lyko, 2017, is an invasive parthenogenetically reproducing crayfish with rapid reproduction, maturation and tolerance to a wide range of environmental conditions, which was introduced to many sites across Europe during the last decade. Due to its recent speciation and limited number of field studies, the knowledge of trophic interactions of the marbled crayfish in freshwater food webs is scarce. An invaded area located in Central Europe was studied to identify the marbled crayfish food web interactions using analysis of carbon C-13 and nitrogen N-15 isotopes. This study brings the first insight into the trophic ecology of marbled crayfish in lentic freshwater ecosystems. Algae and detritus were identified as the most important food sources for the marbled crayfish, while zoobenthos and macrophytes were less important. Moreover, the marbled crayfish was found to be an important food source for top fish predators, but marginal for omnivorous fish. Being able to utilize energy from the bottom of the trophic food web, the marbled crayfish may have important roles in the ecosystem, transferring energy to higher trophic levels. It processes allochthonous and autochthonous matter in the ecosystem, thus being a competitor to other organisms with similar food preferences and impacting zoobenthos, algae and macrophytes through predation or direct consumption. To sum up, the marbled crayfish has a strong ability to utilize food sources from different trophic levels, and, thanks to its life history, can be a highly adaptable invader.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10618 - Ecology
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Aquatic Invasions
ISSN
1798-6540
e-ISSN
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Volume of the periodical
14
Issue of the periodical within the volume
2
Country of publishing house
FI - FINLAND
Number of pages
11
Pages from-to
299-309
UT code for WoS article
000507574300009
EID of the result in the Scopus database
2-s2.0-85066104728