Incorporating aquatic biodiversity into sustainability index for hydrographic sub-basins: a multi-criteria stakeholder assessment approach in the Upper Paraná River
Leonardo da Silva Tomadon, Edivando Vitor do Couto, Dayani Bailly, Jóse Hilário Delconte Ferreira, Walter Timo de Vries, Angelo Antonio Agostinho
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引用次数: 0
Abstract
Sustainable development assessments in hydrographic sub-basins are powerful tools used to guide stakeholders. However, there remains a gap in incorporating new indicators (e.g., biodiversity indicators) into sustainability indexes, which have generally underestimated the environmental dimension. We propose an update to these indexes by incorporating biodiversity data on hydrographic sub-basins. Our goal was to introduce a new ecological sustainability index for hydrographic sub-basins (ESI-sb) that utilizes aquatic ecological indicators. We selected 16 indicators and aggregated them into four sustainability dimensions: economic, social, eco-environmental and negative environmental. We used a multi-criteria analysis based on the analysis hierarchy process (AHP) method to catch stakeholders' importance level of each indicator. The ESI-sb was calculated using the weighted average between the sub-indexes that represent the dimensions. Finally, we applied Gi* statistics to identify the ecological sustainability hotspots and coldspots regions, and the results showed in the Serra do Mar region, the southern region, and the Federal District had high ecological sustainability values; meanwhile, the hydrographic sub-basins that formed the coldspot clusters were located in the western region of the Upper Paraná River basin. The incorporation of aquatic biodiversity data into the index represents an innovation in sustainability indexes recently proposed to hydrographic sub-basins.
水文分流域可持续发展评估是用于指导利益相关者的有力工具。然而,在将新指标(如生物多样性指标)纳入可持续发展指数方面仍存在差距,这些指数普遍低估了环境因素。我们建议更新这些指数,纳入水文子流域的生物多样性数据。我们的目标是利用水生生态指标,引入新的水文子流域生态可持续性指数(ESI-sb)。我们选择了 16 个指标,并将其汇总为四个可持续性维度:经济、社会、生态环境和负面环境。我们采用了基于分析层次过程(AHP)方法的多标准分析,以捕捉利益相关者对每个指标的重视程度。ESI-sb 是使用代表各维度的分指数之间的加权平均值计算得出的。最后,我们运用 Gi* 统计法确定了生态可持续性热点和冷点地区,结果显示 Serra do Mar 地区、南部地区和联邦区具有较高的生态可持续性价值;同时,形成冷点集群的水文子流域位于上巴拉那河流域的西部地区。将水生生物多样性数据纳入该指数是最近针对水文分流域提出的可持续性指数的一项创新。
期刊介绍:
Hydrobiologia publishes original research, reviews and opinions regarding the biology of all aquatic environments, including the impact of human activities. We welcome molecular-, organism-, community- and ecosystem-level studies in contributions dealing with limnology and oceanography, including systematics and aquatic ecology. Hypothesis-driven experimental research is preferred, but also theoretical papers or articles with large descriptive content will be considered, provided they are made relevant to a broad hydrobiological audience. Applied aspects will be considered if firmly embedded in an ecological context.