Dietary overlap and selectivity among mountain steppe river fish in the United States and Mongolia.
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| Title: | Dietary overlap and selectivity among mountain steppe river fish in the United States and Mongolia. |
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| Authors: | Minder, Mario1 (AUTHOR) mario.m.minder@gmail.com, Arsenault, Emily R.2 (AUTHOR), Pyron, Mark1 (AUTHOR), Otgonganbat, Amarbat3 (AUTHOR), Mendsaikhan, Bud4 (AUTHOR) |
| Source: | Ecology & Evolution (20457758). May2023, Vol. 13 Issue 5, p1-12. 12p. |
| Subject Terms: | *Steppes, *Human settlements, *Fish populations, *Mountains, Competition (Biology), Endemic fishes, Brook trout |
| Geographic Terms: | Mongolia, Wyoming |
| Abstract: | Lotic systems in mountain regions have historically provided secure habitat for native fish populations because of their relative isolation from human settlement and lack of upstream disturbances. However, rivers of mountain ecoregions are currently experiencing heightened levels of disturbance due to the introduction of nonnative species impacting endemic fishes in these areas. We compared the fish assemblages and diets of mountain steppe fishes of the stocked rivers in Wyoming with rivers in northern Mongolia where stocking is absent. Using gut content analysis, we quantified the selectivity and diets of fishes collected in these systems. Nonnative species had more generalist diets with lower levels of selectivity than most native species and native species had high levels of dietary specificity and selectivity. High abundances of nonnative species and high levels of dietary overlaps in our Wyoming sites is a cause of concern for native Cutthroat Trout and overall system stability. In contrast, fish assemblages characterizing Mongolia mountain steppe rivers were composed of only native species with diverse diets and higher selectivity values, suggesting low probability for interspecific competition. [ABSTRACT FROM AUTHOR] |
| Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | GreenFILE |
| FullText | Text: Availability: 0 |
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| Header | DbId: 8gh DbLabel: GreenFILE An: 163991462 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Dietary overlap and selectivity among mountain steppe river fish in the United States and Mongolia. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Minder%2C+Mario%22">Minder, Mario</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mario.m.minder@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Arsenault%2C+Emily+R%2E%22">Arsenault, Emily R.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pyron%2C+Mark%22">Pyron, Mark</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Otgonganbat%2C+Amarbat%22">Otgonganbat, Amarbat</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mendsaikhan%2C+Bud%22">Mendsaikhan, Bud</searchLink><relatesTo>4</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Ecology+%26+Evolution+%2820457758%29%22">Ecology & Evolution (20457758)</searchLink>. May2023, Vol. 13 Issue 5, p1-12. 12p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Steppes%22">Steppes</searchLink><br />*<searchLink fieldCode="DE" term="%22Human+settlements%22">Human settlements</searchLink><br />*<searchLink fieldCode="DE" term="%22Fish+populations%22">Fish populations</searchLink><br />*<searchLink fieldCode="DE" term="%22Mountains%22">Mountains</searchLink><br /><searchLink fieldCode="DE" term="%22Competition+%28Biology%29%22">Competition (Biology)</searchLink><br /><searchLink fieldCode="DE" term="%22Endemic+fishes%22">Endemic fishes</searchLink><br /><searchLink fieldCode="DE" term="%22Brook+trout%22">Brook trout</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Mongolia%22">Mongolia</searchLink><br /><searchLink fieldCode="DE" term="%22Wyoming%22">Wyoming</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Lotic systems in mountain regions have historically provided secure habitat for native fish populations because of their relative isolation from human settlement and lack of upstream disturbances. However, rivers of mountain ecoregions are currently experiencing heightened levels of disturbance due to the introduction of nonnative species impacting endemic fishes in these areas. We compared the fish assemblages and diets of mountain steppe fishes of the stocked rivers in Wyoming with rivers in northern Mongolia where stocking is absent. Using gut content analysis, we quantified the selectivity and diets of fishes collected in these systems. Nonnative species had more generalist diets with lower levels of selectivity than most native species and native species had high levels of dietary specificity and selectivity. High abundances of nonnative species and high levels of dietary overlaps in our Wyoming sites is a cause of concern for native Cutthroat Trout and overall system stability. In contrast, fish assemblages characterizing Mongolia mountain steppe rivers were composed of only native species with diverse diets and higher selectivity values, suggesting low probability for interspecific competition. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1002/ece3.10132 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 12 StartPage: 1 Subjects: – SubjectFull: Steppes Type: general – SubjectFull: Human settlements Type: general – SubjectFull: Fish populations Type: general – SubjectFull: Mountains Type: general – SubjectFull: Competition (Biology) Type: general – SubjectFull: Endemic fishes Type: general – SubjectFull: Brook trout Type: general – SubjectFull: Mongolia Type: general – SubjectFull: Wyoming Type: general Titles: – TitleFull: Dietary overlap and selectivity among mountain steppe river fish in the United States and Mongolia. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Minder, Mario – PersonEntity: Name: NameFull: Arsenault, Emily R. – PersonEntity: Name: NameFull: Pyron, Mark – PersonEntity: Name: NameFull: Otgonganbat, Amarbat – PersonEntity: Name: NameFull: Mendsaikhan, Bud IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 05 Text: May2023 Type: published Y: 2023 Identifiers: – Type: issn-print Value: 20457758 Numbering: – Type: volume Value: 13 – Type: issue Value: 5 Titles: – TitleFull: Ecology & Evolution (20457758) Type: main |
| ResultId | 1 |
