Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | DOES THE LENTIC-LOTIC CHARACTER OF RIVERS AFFECT INVERTEBRATE METRICS USED IN THE ASSESSMENT OF ECOLOGICAL QUALITY? |
| Abstract | The importance of local hydraulic conditions on the structuring of freshwater biotic communities is widely recognized by the scientific community. In spite of this, most current methods based upon invertebrates do not take this factor into account in their assessment of ecological quality. The aim of this paper is to investigate the influence of local hydraulic conditions on invertebrate community metrics and to estimate their potential weight in the evaluation of river water quality. The dataset used consisted of 130 stream sites located in four broad European geographical contexts: Alps, Central mountains, Mediterranean mountains and Lowland streams. Using River Habitat Survey data, the river hydromorphology was evaluated by means of the Lentic-lotic River Descriptor and the Habitat Modification Score. To quantify the level of water pollution, a synoptic Organic Pollution Descriptor was calculated. For their established, wide applicability, STAR Intercalibration Common Metrics and index were selected as biological quality indices. Significant relationships between selected environmental variables and biological metrics devoted to the evaluation of ecological quality were obtained by means of Partial Least Squares regression analysis. The lentic-lotic character was the most significant factor affecting invertebrate communities in the Mediterranean mountains, even if it is a relevant factor for most quality metrics also in the Alpine and Central mountain rivers. Therefore, this character should be taken into account when assessing ecological quality of rivers because it can greatly affect the assignment of ecological status. |
| Source | Journal of limnology (Testo stamp.) 68, pp. 92–105 |
| Keywords | aquatic invertebratesecological qualityWFDorganic pollutionmorphological impairment |
| Journal | Journal of limnology (Testo stamp.) |
| Editor | Istituto per lo Studio degli Ecosistemi., Verbania Pallanza, Italia |
| Year | 2009 |
| Type | Articolo in rivista |
| DOI | 10.4081/jlimnol.2009.92 |
| Authors | BUFFAGNI A., ARMANINI D.G., ERBA S. |
| Text | 42304 2009 10.4081/jlimnol.2009.92 ISI Web of Science WOS 000266257300010 aquatic invertebrates ecological quality WFD organic pollution morphological impairment DOES THE LENTIC LOTIC CHARACTER OF RIVERS AFFECT INVERTEBRATE METRICS USED IN THE ASSESSMENT OF ECOLOGICAL QUALITY BUFFAGNI A., ARMANINI D.G., ERBA S. CNR IRSA U.O.S. Brugherio The importance of local hydraulic conditions on the structuring of freshwater biotic communities is widely recognized by the scientific community. In spite of this, most current methods based upon invertebrates do not take this factor into account in their assessment of ecological quality. The aim of this paper is to investigate the influence of local hydraulic conditions on invertebrate community metrics and to estimate their potential weight in the evaluation of river water quality. The dataset used consisted of 130 stream sites located in four broad European geographical contexts Alps, Central mountains, Mediterranean mountains and Lowland streams. Using River Habitat Survey data, the river hydromorphology was evaluated by means of the Lentic lotic River Descriptor and the Habitat Modification Score. To quantify the level of water pollution, a synoptic Organic Pollution Descriptor was calculated. For their established, wide applicability, STAR Intercalibration Common Metrics and index were selected as biological quality indices. Significant relationships between selected environmental variables and biological metrics devoted to the evaluation of ecological quality were obtained by means of Partial Least Squares regression analysis. The lentic lotic character was the most significant factor affecting invertebrate communities in the Mediterranean mountains, even if it is a relevant factor for most quality metrics also in the Alpine and Central mountain rivers. Therefore, this character should be taken into account when assessing ecological quality of rivers because it can greatly affect the assignment of ecological status. 68 http //www.jlimnol.it/index.php/jlimnol/article/view/jlimnol.2009.92 DOES THE LENTIC LOTIC CHARACTER OF RIVERS AFFECT INVERTEBRATE METRICS USED IN THE ASSESSMENT OF ECOLOGICAL QUALITY 10_buffagni_LRD_JL.pdf Articolo in rivista Istituto per lo Studio degli Ecosistemi. 1129 5767 Journal of limnology Testo stamp. Journal of limnology Testo stamp. J. limnol. Testo stamp. Journal of limnology. Testo stamp. stefania.erba ERBA STEFANIA ARMANINI DAVID GIORDANO andreastefano.buffagni BUFFAGNI ANDREA STEFANO TA.P04.016.001 Caratteristiche ecologiche di comunita acquatiche in ambienti fluviali e lagunari TA.P04.032.001 Funzionalita degli ecosistemi acquatici dinamica dei nutrienti, idromorfologia e habitat fluviali TA.P04.032.003 La risposta delle comunita acquatiche bioindicatori e WFD |