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Benthic Macroinvertebrates and Zooplankton Communities as Ecological Indicators in Urban Wetlands of Argentina. SUSTAINABILITY 2022. [DOI: 10.3390/su14074045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Urban aquatic ecosystems are important sources of fresh water for multiple uses, but often receive a point or diffuse anthropic contamination. Benthic and zooplankton invertebrates are sensitive to water quality, being good indicators of ecosystem health. In this study, the composition and structure of benthic and zooplankton communities and environmental variables were analyzed seasonally in six urban wetlands of Santa Fe City (Argentina). We present the effect of water quality on both communities as bioindicators of ecological conditions, using different community attributes, functional feeding groups, and biotic indices. For the benthic community, the Macroinvertebrate Index for Pampean Rivers (IMRP) and the Benthic Community Index (BCI) were selected. For the zooplankton community, abundance of rotifers/abundance of total zooplankters, microcrustaceans/total zooplankters, cladocerans/total zooplankters, and macrozooplankton/microzooplankton ratios were applied. A functional feeding groups (FFGs) classification, adapted from the literature, is proposed for zooplankters. The urban wetlands showed a gradient from the most to the least disturbed sites. Some benthic and zooplankton species were identified as excellent bioindicators of pollution, and the FFGs and biotic indices revealed the ecological condition of each urban wetland. The present study contributes to the enhancement of management practices in urban landscapes aiming to maintain ecosystem services in sustainable cities.
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Abstract
The proposed research aims to investigate the concept of creative urban sustainability. We asked, what are the factors conditioning creativity in spaces where cultures meet in cities and how do they stimulate urban sustainable development. The empirical material analysed are the results of interviews conducted with cultural managers. We introduce philosophical and sociological approaches based mainly on criticism of writing and the analytical and synthetic method. In the framework of the creative city we illustrate Lublin’s model of spatial innovations, in which culture and creativity have convergence with economic development. We conclude with a conceptual discussion of the creative urban sustainability problems. In particular, we reveal how these issues could help in shaping a theoretic consensus about the function of spaces planning in sustainable development strategies emphasising the importance of creativity as a social resource and also as an agent of social and economic change.
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