Trophic niches of three sympatric invasive crayfish of EU concern
The spread of non-native species results in novel and often unexpected assemblages. Using stable isotopes, we disentangled the trophic relationships between three invasive crayfish species at two sites of a small thermal tributary of the Barát stream, Hungary. We studied Procambarus virginalis and F...
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| Veröffentlicht in: | Hydrobiologia 2021-02, Vol.848 (3), p.727-737 |
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| creator | Veselý, Lukáš Ruokonen, Timo J. Weiperth, András Kubec, Jan Szajbert, Bettina Guo, Wei Ercoli, Fabio Bláha, Martin Buřič, Miloš Hämäläinen, Heikki Kouba, Antonín |
| description | The spread of non-native species results in novel and often unexpected assemblages. Using stable isotopes, we disentangled the trophic relationships between three invasive crayfish species at two sites of a small thermal tributary of the Barát stream, Hungary. We studied
Procambarus virginalis
and
Faxonius limosus
living in sympatry in the upper section of this thermal tributary, and then an assemblage in a lower section also containing
P. clarkii
. The two species in the upper section largely shared trophic niches, although
P. virginalis
was more carnivorous than
F. limosus
, which fed more on detritus and aquatic plants. In the lower section,
P. clarkii
had a distinctive trophic niche, being more carnivorous than the other species and also preying on other crayfish and fish. The trophic niches of the other two species shifted slightly, being narrower and more overlapping in the presence of
P. clarkii
. It seems that the presence of
P. clarkii
affects the feeding habits and trophic niches of the other two crayfish. Our results also indicate that the species have somewhat distinctive feeding niches, which suggests that the ecosystem effects of these species are likely to be at least partially additive in the shared localities. |
| doi_str_mv | 10.1007/s10750-020-04479-5 |
| format | Article |
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Procambarus virginalis
and
Faxonius limosus
living in sympatry in the upper section of this thermal tributary, and then an assemblage in a lower section also containing
P. clarkii
. The two species in the upper section largely shared trophic niches, although
P. virginalis
was more carnivorous than
F. limosus
, which fed more on detritus and aquatic plants. In the lower section,
P. clarkii
had a distinctive trophic niche, being more carnivorous than the other species and also preying on other crayfish and fish. The trophic niches of the other two species shifted slightly, being narrower and more overlapping in the presence of
P. clarkii
. It seems that the presence of
P. clarkii
affects the feeding habits and trophic niches of the other two crayfish. Our results also indicate that the species have somewhat distinctive feeding niches, which suggests that the ecosystem effects of these species are likely to be at least partially additive in the shared localities.</description><identifier>ISSN: 0018-8158</identifier><identifier>EISSN: 1573-5117</identifier><identifier>DOI: 10.1007/s10750-020-04479-5</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Additives ; Aquatic plants ; Biodiversity ; Biomedical and Life Sciences ; Carnivorous animals ; Crayfish ; Detritus ; Ecology ; Ecosystem assessment ; Ecosystems ; Environmental science ; Fish ; Fisheries ; Freshwater & Marine Ecology ; Freshwater crustaceans ; Indigenous species ; Introduced species ; Invasive species ; Isotopes ; Life Sciences ; Native organisms ; Natural resources ; Niches ; Predators ; Primary Research Paper ; Procambarus virginalis ; Stable isotopes ; Sympatric populations ; Sympatry ; Tributaries ; Trophic relationships ; Zoology</subject><ispartof>Hydrobiologia, 2021-02, Vol.848 (3), p.727-737</ispartof><rights>Springer Nature Switzerland AG 2021</rights><rights>COPYRIGHT 2021 Springer</rights><rights>Springer Nature Switzerland AG 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-ac879960a3cc304ec2dc4b849651e57e493eb438a1dda8c91665eb0a810969533</citedby><cites>FETCH-LOGICAL-c392t-ac879960a3cc304ec2dc4b849651e57e493eb438a1dda8c91665eb0a810969533</cites><orcidid>0000-0001-8118-8612</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10750-020-04479-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10750-020-04479-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Veselý, Lukáš</creatorcontrib><creatorcontrib>Ruokonen, Timo J.</creatorcontrib><creatorcontrib>Weiperth, András</creatorcontrib><creatorcontrib>Kubec, Jan</creatorcontrib><creatorcontrib>Szajbert, Bettina</creatorcontrib><creatorcontrib>Guo, Wei</creatorcontrib><creatorcontrib>Ercoli, Fabio</creatorcontrib><creatorcontrib>Bláha, Martin</creatorcontrib><creatorcontrib>Buřič, Miloš</creatorcontrib><creatorcontrib>Hämäläinen, Heikki</creatorcontrib><creatorcontrib>Kouba, Antonín</creatorcontrib><title>Trophic niches of three sympatric invasive crayfish of EU concern</title><title>Hydrobiologia</title><addtitle>Hydrobiologia</addtitle><description>The spread of non-native species results in novel and often unexpected assemblages. Using stable isotopes, we disentangled the trophic relationships between three invasive crayfish species at two sites of a small thermal tributary of the Barát stream, Hungary. We studied
Procambarus virginalis
and
Faxonius limosus
living in sympatry in the upper section of this thermal tributary, and then an assemblage in a lower section also containing
P. clarkii
. The two species in the upper section largely shared trophic niches, although
P. virginalis
was more carnivorous than
F. limosus
, which fed more on detritus and aquatic plants. In the lower section,
P. clarkii
had a distinctive trophic niche, being more carnivorous than the other species and also preying on other crayfish and fish. The trophic niches of the other two species shifted slightly, being narrower and more overlapping in the presence of
P. clarkii
. It seems that the presence of
P. clarkii
affects the feeding habits and trophic niches of the other two crayfish. Our results also indicate that the species have somewhat distinctive feeding niches, which suggests that the ecosystem effects of these species are likely to be at least partially additive in the shared localities.</description><subject>Additives</subject><subject>Aquatic plants</subject><subject>Biodiversity</subject><subject>Biomedical and Life Sciences</subject><subject>Carnivorous animals</subject><subject>Crayfish</subject><subject>Detritus</subject><subject>Ecology</subject><subject>Ecosystem assessment</subject><subject>Ecosystems</subject><subject>Environmental science</subject><subject>Fish</subject><subject>Fisheries</subject><subject>Freshwater & Marine Ecology</subject><subject>Freshwater crustaceans</subject><subject>Indigenous species</subject><subject>Introduced species</subject><subject>Invasive species</subject><subject>Isotopes</subject><subject>Life Sciences</subject><subject>Native organisms</subject><subject>Natural resources</subject><subject>Niches</subject><subject>Predators</subject><subject>Primary Research Paper</subject><subject>Procambarus virginalis</subject><subject>Stable isotopes</subject><subject>Sympatric populations</subject><subject>Sympatry</subject><subject>Tributaries</subject><subject>Trophic 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Bettina</au><au>Guo, Wei</au><au>Ercoli, Fabio</au><au>Bláha, Martin</au><au>Buřič, Miloš</au><au>Hämäläinen, Heikki</au><au>Kouba, Antonín</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Trophic niches of three sympatric invasive crayfish of EU concern</atitle><jtitle>Hydrobiologia</jtitle><stitle>Hydrobiologia</stitle><date>2021-02-01</date><risdate>2021</risdate><volume>848</volume><issue>3</issue><spage>727</spage><epage>737</epage><pages>727-737</pages><issn>0018-8158</issn><eissn>1573-5117</eissn><abstract>The spread of non-native species results in novel and often unexpected assemblages. Using stable isotopes, we disentangled the trophic relationships between three invasive crayfish species at two sites of a small thermal tributary of the Barát stream, Hungary. We studied
Procambarus virginalis
and
Faxonius limosus
living in sympatry in the upper section of this thermal tributary, and then an assemblage in a lower section also containing
P. clarkii
. The two species in the upper section largely shared trophic niches, although
P. virginalis
was more carnivorous than
F. limosus
, which fed more on detritus and aquatic plants. In the lower section,
P. clarkii
had a distinctive trophic niche, being more carnivorous than the other species and also preying on other crayfish and fish. The trophic niches of the other two species shifted slightly, being narrower and more overlapping in the presence of
P. clarkii
. It seems that the presence of
P. clarkii
affects the feeding habits and trophic niches of the other two crayfish. Our results also indicate that the species have somewhat distinctive feeding niches, which suggests that the ecosystem effects of these species are likely to be at least partially additive in the shared localities.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10750-020-04479-5</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-8118-8612</orcidid></addata></record> |
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| ispartof | Hydrobiologia, 2021-02, Vol.848 (3), p.727-737 |
| issn | 0018-8158 1573-5117 |
| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Additives Aquatic plants Biodiversity Biomedical and Life Sciences Carnivorous animals Crayfish Detritus Ecology Ecosystem assessment Ecosystems Environmental science Fish Fisheries Freshwater & Marine Ecology Freshwater crustaceans Indigenous species Introduced species Invasive species Isotopes Life Sciences Native organisms Natural resources Niches Predators Primary Research Paper Procambarus virginalis Stable isotopes Sympatric populations Sympatry Tributaries Trophic relationships Zoology |
| title | Trophic niches of three sympatric invasive crayfish of EU concern |
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