Aquatic insect β‐diversity is not dependent on elevation in Southern Rocky Mountain streams
Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observe...
Ausführliche Beschreibung
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| Autor*in: |
Harrington, Rachel A [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: © 2015 John Wiley & Sons Ltd |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Freshwater biology - Oxford : Wiley-Blackwell, 1971, 61(2016), 2, Seite 195-205 |
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| Übergeordnetes Werk: |
volume:61 ; year:2016 ; number:2 ; pages:195-205 |
| Links: |
|---|
| DOI / URN: |
10.1111/fwb.12693 |
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| 520 | |a Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. | ||
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10.1111/fwb.12693 doi PQ20160307 (DE-627)OLC1971839701 (DE-599)GBVOLC1971839701 (PRQ)s643-d866a206fd27a6048d0a9e30a66b8e9933a0cbc71b82c63fbd69e8294cac798c0 (KEY)0056936420160000061000200195aquaticinsectdiversityisnotdependentonelevationins DE-627 ger DE-627 rakwb eng 570 DNB BIODIV fid 42.00 bkl Harrington, Rachel A verfasserin aut Aquatic insect β‐diversity is not dependent on elevation in Southern Rocky Mountain streams 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. Nutzungsrecht: © 2015 John Wiley & Sons Ltd β‐diversity elevational gradient stream tributaries habitat connectivity species turnover Kondratieff, Boris C oth Poff, N. LeRoy oth Enthalten in Freshwater biology Oxford : Wiley-Blackwell, 1971 61(2016), 2, Seite 195-205 (DE-627)129295906 (DE-600)121180-8 (DE-576)014489139 0046-5070 nnns volume:61 year:2016 number:2 pages:195-205 http://dx.doi.org/10.1111/fwb.12693 Volltext http://onlinelibrary.wiley.com/doi/10.1111/fwb.12693/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 42.00 AVZ AR 61 2016 2 195-205 |
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10.1111/fwb.12693 doi PQ20160307 (DE-627)OLC1971839701 (DE-599)GBVOLC1971839701 (PRQ)s643-d866a206fd27a6048d0a9e30a66b8e9933a0cbc71b82c63fbd69e8294cac798c0 (KEY)0056936420160000061000200195aquaticinsectdiversityisnotdependentonelevationins DE-627 ger DE-627 rakwb eng 570 DNB BIODIV fid 42.00 bkl Harrington, Rachel A verfasserin aut Aquatic insect β‐diversity is not dependent on elevation in Southern Rocky Mountain streams 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. Nutzungsrecht: © 2015 John Wiley & Sons Ltd β‐diversity elevational gradient stream tributaries habitat connectivity species turnover Kondratieff, Boris C oth Poff, N. LeRoy oth Enthalten in Freshwater biology Oxford : Wiley-Blackwell, 1971 61(2016), 2, Seite 195-205 (DE-627)129295906 (DE-600)121180-8 (DE-576)014489139 0046-5070 nnns volume:61 year:2016 number:2 pages:195-205 http://dx.doi.org/10.1111/fwb.12693 Volltext http://onlinelibrary.wiley.com/doi/10.1111/fwb.12693/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 42.00 AVZ AR 61 2016 2 195-205 |
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10.1111/fwb.12693 doi PQ20160307 (DE-627)OLC1971839701 (DE-599)GBVOLC1971839701 (PRQ)s643-d866a206fd27a6048d0a9e30a66b8e9933a0cbc71b82c63fbd69e8294cac798c0 (KEY)0056936420160000061000200195aquaticinsectdiversityisnotdependentonelevationins DE-627 ger DE-627 rakwb eng 570 DNB BIODIV fid 42.00 bkl Harrington, Rachel A verfasserin aut Aquatic insect β‐diversity is not dependent on elevation in Southern Rocky Mountain streams 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. Nutzungsrecht: © 2015 John Wiley & Sons Ltd β‐diversity elevational gradient stream tributaries habitat connectivity species turnover Kondratieff, Boris C oth Poff, N. LeRoy oth Enthalten in Freshwater biology Oxford : Wiley-Blackwell, 1971 61(2016), 2, Seite 195-205 (DE-627)129295906 (DE-600)121180-8 (DE-576)014489139 0046-5070 nnns volume:61 year:2016 number:2 pages:195-205 http://dx.doi.org/10.1111/fwb.12693 Volltext http://onlinelibrary.wiley.com/doi/10.1111/fwb.12693/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 42.00 AVZ AR 61 2016 2 195-205 |
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10.1111/fwb.12693 doi PQ20160307 (DE-627)OLC1971839701 (DE-599)GBVOLC1971839701 (PRQ)s643-d866a206fd27a6048d0a9e30a66b8e9933a0cbc71b82c63fbd69e8294cac798c0 (KEY)0056936420160000061000200195aquaticinsectdiversityisnotdependentonelevationins DE-627 ger DE-627 rakwb eng 570 DNB BIODIV fid 42.00 bkl Harrington, Rachel A verfasserin aut Aquatic insect β‐diversity is not dependent on elevation in Southern Rocky Mountain streams 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. Nutzungsrecht: © 2015 John Wiley & Sons Ltd β‐diversity elevational gradient stream tributaries habitat connectivity species turnover Kondratieff, Boris C oth Poff, N. LeRoy oth Enthalten in Freshwater biology Oxford : Wiley-Blackwell, 1971 61(2016), 2, Seite 195-205 (DE-627)129295906 (DE-600)121180-8 (DE-576)014489139 0046-5070 nnns volume:61 year:2016 number:2 pages:195-205 http://dx.doi.org/10.1111/fwb.12693 Volltext http://onlinelibrary.wiley.com/doi/10.1111/fwb.12693/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 42.00 AVZ AR 61 2016 2 195-205 |
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aquatic insect β‐diversity is not dependent on elevation in southern rocky mountain streams |
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Aquatic insect β‐diversity is not dependent on elevation in Southern Rocky Mountain streams |
| abstract |
Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. |
| abstractGer |
Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. |
| abstract_unstemmed |
Relatively high β‐diversity among aquatic insect communities inhabiting high‐elevation streams is most commonly presumed to result from increased dispersal limitation between isolated mountaintop ‘islands’. However, these elevational patterns of β‐diversity have been predominately drawn from observed changes in community composition along single‐thread channels, where the downstream increase in habitat size and hydrologic connectivity provides potential alternative explanations. In this study, we applied an alternative conceptual ‘tributary model’ to ask whether patterns of aquatic insect β‐diversity in similar‐sized, hydrologically disconnected streams showed a similar elevational gradient in diversity patterns as previously reported for conceptual ‘mainstem model’ studies. Aquatic insects were sampled from 24 low‐order, montane streams that are tributaries to larger rivers in three adjacent catchments spanning c . 2000–3500 m in elevation. We used relative abundance data to quantify two types of β‐diversity: (i) community turnover‐β, or the change in local diversity among adjacent streams along the elevational gradient within each catchment, and (ii) community variation‐β, or the change in local diversity among all streams within three elevation zones combined across catchments. Our results provided evidence of no relationship between β‐diversity and elevation in aquatic insect communities in small montane streams. Community turnover‐β was found to be consistently high among sites within catchments and displayed no significant trend across the elevational gradient for any catchment. Community variation‐β showed a nonlinear response to elevation, with sites in the high‐elevation and low‐elevation zones having similarly high community variation‐β compared to sites in the mid‐elevation zone. Our ‘tributary model’ results provide the first evidence that β‐diversity among small, isolated streams can have similar turnover rates across broad elevational gradients. Our results also show similar patterns of β‐diversity among low‐ and high‐elevation tributaries, suggesting that dispersal limitation is not restricted to high‐elevation streams. |
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Aquatic insect β‐diversity is not dependent on elevation in Southern Rocky Mountain streams |
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