Monitoring and assessment of wetland condition using plant morphologic and physiologic indicators
We created and evaluated indices of plant performance using plant morphological and physiological attributes and assessed their potential as wetland condition indicators by studying their consistency along a stress gradient. Based on Spearman coefficients, we selected promising morphological and phy...
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| Otros Autores: | , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Materias: | |
| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2013mollard2.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Monitoring and assessment of wetland condition using plant morphologic and physiologic indicators |
| 520 | |a We created and evaluated indices of plant performance using plant morphological and physiological attributes and assessed their potential as wetland condition indicators by studying their consistency along a stress gradient. Based on Spearman coefficients, we selected promising morphological and physiological metrics that showed consistent responses along a physico-chemical stress gradient. Metrics consistently associated with wetland condition were ranked and combined into morphological [mPPI] or physiological Plant Performance Indices [phPPI]. Six morphological metrics were able to discern between good and poor wetland conditions along the impact gradient and were thereafter combined into the mPPI. The resulting mPPI was found to be a strong indicator of stress and accurately identified degraded wetlands [r s = -0.52; P = 0.030]. In contrast, most of the physiologic metrics showed lower correlations to the stress gradient. Consequently, the resulted phPPI had a lack of association with the stress gradient and failed to identify even heavily-impacted wetlands [r s = -0.30; P = 0.194]. We conclude that the morphological characteristics of plants, the reliability of the mPPI, and its ability to simply and easily convey habitat information makes it worthy of further refinement and validation as a tool for evaluating mitigation and restoration efforts in wetlands. | ||
| 653 | 0 | |a BIOLOGICAL ASSESSMENT | |
| 653 | 0 | |a METRICS | |
| 653 | 0 | |a RAPID ASSESSMENT METHODS | |
| 653 | 0 | |a WETLAND EVALUATION | |
| 653 | 0 | |a HABITAT | |
| 653 | 0 | |a PERFORMANCE ASSESSMENT | |
| 653 | 0 | |a PHYSIOLOGICAL RESPONSE | |
| 653 | 0 | |a PLANT | |
| 653 | 0 | |a RESTORATION ECOLOGY | |
| 653 | 0 | |a WETLAND | |
| 700 | 1 | |9 67146 |a Mollard, Federico Pedro Otto | |
| 700 | 1 | |9 72492 |a Foote, A. Lee | |
| 700 | 1 | |a Wilson, Matthew J. |9 72493 | |
| 700 | 1 | |a Crisfield, Varina |9 72494 | |
| 700 | 1 | |a Bayley, Suzanne E. |9 72495 | |
| 773 | |t Wetlands |g vol.33, no.5 (2013), p.939-947 | ||
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| 900 | |a ^tMonitoring and assessment of wetland condition using plant morphologic and physiologic indicators | ||
| 900 | |a ^aMollard^bF.P.O. | ||
| 900 | |a ^aFoote^bA.L. | ||
| 900 | |a ^aWilson^bM.J. | ||
| 900 | |a ^aCrisfield^bV. | ||
| 900 | |a ^aBayley^bS.E. | ||
| 900 | |a ^aMollard^bF. P. O. | ||
| 900 | |a ^aFoote^bA. L. | ||
| 900 | |a ^aWilson^bM. J. | ||
| 900 | |a ^aCrisfield^bV. | ||
| 900 | |a ^aBayley^bS. E. | ||
| 900 | |a ^aMollard^bF.P.O.^tDepartment of Renewable Resources, University of Alberta 751 GSB, Edmonton, AB T6G 2H1, Canada | ||
| 900 | |a ^aFoote^bA.L.^tDevonian Botanic Gardens, Devon, AB, Canada | ||
| 900 | |a ^aWilson^bM.J.^tDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada | ||
| 900 | |a ^aCrisfield^bV.^tDepartamento de BiologÃa Aplicada y Alimentos, Facultad de Agronomia, Universidad de Buenos Aires, Buenos Aires, Argentina | ||
| 900 | |a ^aBayley^bS.E. | ||
| 900 | |a ^tWetlands^cWetlands | ||
| 900 | |a en | ||
| 900 | |a 939 | ||
| 900 | |a ^i | ||
| 900 | |a Vol. 33, no. 5 | ||
| 900 | |a 947 | ||
| 900 | |a BIOLOGICAL ASSESSMENT | ||
| 900 | |a METRICS | ||
| 900 | |a RAPID ASSESSMENT METHODS | ||
| 900 | |a WETLAND EVALUATION | ||
| 900 | |a HABITAT | ||
| 900 | |a PERFORMANCE ASSESSMENT | ||
| 900 | |a PHYSIOLOGICAL RESPONSE | ||
| 900 | |a PLANT | ||
| 900 | |a RESTORATION ECOLOGY | ||
| 900 | |a WETLAND | ||
| 900 | |a We created and evaluated indices of plant performance using plant morphological and physiological attributes and assessed their potential as wetland condition indicators by studying their consistency along a stress gradient. Based on Spearman coefficients, we selected promising morphological and physiological metrics that showed consistent responses along a physico-chemical stress gradient. Metrics consistently associated with wetland condition were ranked and combined into morphological [mPPI] or physiological Plant Performance Indices [phPPI]. Six morphological metrics were able to discern between good and poor wetland conditions along the impact gradient and were thereafter combined into the mPPI. The resulting mPPI was found to be a strong indicator of stress and accurately identified degraded wetlands [r s = -0.52; P = 0.030]. In contrast, most of the physiologic metrics showed lower correlations to the stress gradient. Consequently, the resulted phPPI had a lack of association with the stress gradient and failed to identify even heavily-impacted wetlands [r s = -0.30; P = 0.194]. We conclude that the morphological characteristics of plants, the reliability of the mPPI, and its ability to simply and easily convey habitat information makes it worthy of further refinement and validation as a tool for evaluating mitigation and restoration efforts in wetlands. | ||
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