Defining Maximum Ecological Potential for heavily modified lowland streams of Northern Italy

Erba, Stefania; Terranova, Laura; Cazzola, Marcello; Cason, Manuela; Buffagni, Andrea

doi:10.1016/j.scitotenv.2019.05.348

Cited by 5 publications

(5 citation statements)

References 39 publications

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“…Studies of hydromorphological alterations in rivers and/or their impacts on biodiversity are numerous [33][34][35][36][37][38]; however, few papers explicitly deal with HMWBs and AWBs and use adapted assessment methodologies (e.g., [39]). For example, the Polish hydromorphological assessment methodology presented in Garbowski et al [23] does have lower score thresholds for AWBs, but it does not determine MEP or take into consideration mitigation measures, as we did in this study.…”

Section: Challenges In Assessing Hydromorphological Conditions Of Hmw...mentioning

confidence: 99%

“…The two indicators which were omitted are lateral connectivity with the floodplain and land-use in the floodplain. Erba et al [39] also did not include land-use in the wider environment as a component for determining MEP for Italian HMWB lowland rivers. Similar to this study, MEP sites were selected based on different assemblages of natural features representing mitigation measures, consisting of the main four components: (i) riparian vegetation complexity, (ii) in-channel habitat diversification, (iii) embankment characteristics and (iv) reinforcement characteristics [39].…”

Section: Selection Of Indicators For the Assessment Of Hydromorpholog...mentioning

confidence: 99%

“…The continuity of a woody riparian zone on the riverbanks provides channel shadowing and woody debris in the channel, thereby reducing the water temperature and ensuring morphological heterogeneity of channel features and habitats [58]. Erba et al [39] found that tree cover, large woody debris and set back embankments were the most important variables determining differences between MEP and non-MEP sites, which showed significant differences regarding invertebrate assemblages. Furthermore, Buffagni et al [59] found that the microhabitat mosaic together with substrate diversity can be used directly to assess the overall quality of microhabitat structure and heterogeneity and thus serve as useful elements for the evaluation of ecological status or potential.…”

Section: Impact Of Hydromorphological Modifications On Biological Qua...mentioning

confidence: 99%

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Methodological Framework for Assessing Hydromorphological Conditions of Heavily Modified and Artificial River Water Bodies in Croatia

Pavlek

Plantak²,

Martinić

et al. 2023

Water

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Water Framework Directive (WFD) guidance documents from 2019 provide a comprehensive review of methods and guidelines to improve the comparability of heavily modified water bodies (HMWBs) in the European Union. However, there is currently no common, single methodology for monitoring HMWBs and artificial water bodies (AWBs) or for determining maximum (MEP) and good ecological potential (GEP). This study presents the first assessment of hydromorphological conditions of HMWBs and AWBs in Croatia based on type-specific indicators. The typology of HMWBs and AWBs was based on distinct hydromorphological characteristics and modifications in order to be easily related to the uses of the water bodies. The classes of hydromorphological potential were graded from the theoretical MEP, which was determined by the score scale as the tolerated deviation from natural reference conditions, considering potential mitigation measures. The use of the water body and/or the effects on the wider environment were considered while determining MEP and choosing indicators included in monitoring and assessment. In the case of AWBs, the parameters dependent on natural reference conditions, which are non-existent, were omitted from the assessment. Only 27% of HMWBs and 2 out of 51 AWBs achieved good potential for all three hydromorphological elements. The most significant hydromorphological modifications include channelization, straightening, deepening and removal of riparian vegetation due to flood-protection management practices. In order to achieve the environmental objectives set out by the WFD, the Croatian water management system has to start implementing mitigation measures, especially related to natural flood management.

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Section: Challenges In Assessing Hydromorphological Conditions Of Hmw...mentioning

confidence: 99%

Section: Selection Of Indicators For the Assessment Of Hydromorpholog...mentioning

confidence: 99%

Section: Impact Of Hydromorphological Modifications On Biological Qua...mentioning

confidence: 99%

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Methodological Framework for Assessing Hydromorphological Conditions of Heavily Modified and Artificial River Water Bodies in Croatia

Pavlek

Plantak²,

Martinić

et al. 2023

Water

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“…Meanwhile, it is important to recognize that functions such as recreation and ood control are prioritized in the management of urban rivers. However, rapid urbanization poses a signi cant threat to the ecological conditions of these waterways 25 , including increased water pollution, altered hydromorphological characteristics, and reduced riparian vegetation cover [26][27] . Despite the development of many effective management measures for urban rivers, water quality management in urban rivers remains a challenge in many countries.…”

Section: Introductionmentioning

confidence: 99%

“…Despite the development of many effective management measures for urban rivers, water quality management in urban rivers remains a challenge in many countries. Among others, bioassessment is an important basis for restoring the ecological potential of urban rivers 27 . There are more reports on the calibration of macroinvertebrate BMWP index, but little attention has been paid to urban rivers.…”

Section: Introductionmentioning

confidence: 99%

Revision of the biological monitoring working party score system: Evidence from the subtropical urban river in China

Zhang,

Yu,

Ding

et al. 2024

Preprint

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Despite their socio-economic and ecological functions, urban rivers are among the most endangered and threatened ecosystems, especially in developing countries, where the impact of population growth, urbanization, etc., on urban river ecosystem is more pronounced. Reliable and affordable bioassessment tools are fundamental for managing and restoring urban river ecosystems. This study collected macroinvertebrates from a typical urban river of the Pearl River Delta region in the dry season (December 2021 to January 2022) and the wet season (May to June 2022). Family sensitivity values (FSVs) were revised based on local biotic and abiotic data, and then used to adapt the Biological Monitoring Working Party (BMWP) and Average Score per Taxon (ASPT) indices. The study employed Shapiro-Wilk normality test and linear regression model to analyze the fitting relationship between bio-indices and Water Quality Index (WQI), and compared their differences between using the origin FSVs and revised FSVs. The results indicated that the revised FSVs for urban rivers decreased. Furthermore, due to differences in macroinvertebrate taxa composition and water quality conditions between dry and wet seasons, the revised FSVs differed between the two seasons, and the lower FSV of the specific family were recommended, reflecting the lower limit of pollution tolerance. The adapted BMWP and ASPT indices provide more accurate water quality assessment results and are reliable indicators in urban rivers. Thus, the adapted macroinvertebrate indicator is a suitable bioassessment tool for subtropical urban rivers in this region, allowing the identification of priority areas for management and a recovery plan.

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Heavily modified freshwater: Potential ecological indicators

Kumar,

Huang,

Lin

et al. 2024

Ecological Indicators

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Defining Maximum Ecological Potential for heavily modified lowland streams of Northern Italy

Cited by 5 publications

References 39 publications

Methodological Framework for Assessing Hydromorphological Conditions of Heavily Modified and Artificial River Water Bodies in Croatia

Methodological Framework for Assessing Hydromorphological Conditions of Heavily Modified and Artificial River Water Bodies in Croatia

Revision of the biological monitoring working party score system: Evidence from the subtropical urban river in China

Heavily modified freshwater: Potential ecological indicators

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