Development of an Angiosperm Quality Assessment Index (AQuA-Index) for ecological quality evaluation of Portuguese water bodies-A multi-metric approach

被引：55

作者：

Cacador, I. ^{[1
]}

Neto, J. M. ^{[2
]}

Duarte, B. ^{[1
]}

Barroso, D. V. ^{[2
]}

Pinto, M. ^{[1
]}

Marques, J. C. ^{[2
]}

机构：

[1] Univ Lisbon CO, Fac Sci, Ctr Oceanog, P-1749016 Lisbon, Portugal

[2] Univ Coimbra, Fac Sci & Technol, Dept Life Sci, Marine & Environm Res Ctr IMAR CMA,Inst Marine Re, P-3004517 Coimbra, Portugal

来源：

ECOLOGICAL INDICATORS | 2013年 / 25卷

关键词：

Water framework directive; Angiosperms; Salt marshes; Metrics; Ecological quality; SALT-MARSH; SOILS;

D O I：

10.1016/j.ecolind.2012.09.021

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Salt marsh vegetation is one important biological element for establishing the ecological quality status (EQS) while evaluating transitional waters (TW). This intertidal plant community is sensitive to the most important pressures present in estuaries. In this study, an ecological index based multi-metric was established taking into account the species composition and ecological relations in Portuguese salt marsh habitats. During the AQuA-Index elaboration it was found that the parameters that respond better to the variability of ecological conditions present nowadays are the Shannon Diversity Index, the Shannon Maximum Diversity Index, the number of halophytic species, the Margalef Diversity Index and the Pielou Equitability Index. The application of the AQuA-Index index to eight TW systems varying in morphology and pressures, demonstrated that the metric responds to the ecological quality of each system. Also, it showed some advantages in comparison with other approaches, in zones with a relevant proportion of middle and upper marsh and where historical data were not available. This way the AQuA-Index proved to be an efficient Index for ecological quality assessment, using salt marsh vegetation as indicator. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：141 / 148

页数：8

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