Recovery of an urbanised estuary: Clean-up, de-industrialisation and restoration of redundant dock-basins in the Mersey

Hawkins, Stephen J.; O'Shaughnessy, Kathryn A.; Adams, Leen; Langston, W.J.; Bray, Simon; Allen, John H.; Wilkinson, Stephen B.; Bohn, Katrin; Mieszkowska, Nova; Firth, Louise B.

doi:10.1016/j.marpolbul.2020.111150

Cited by 17 publications

(16 citation statements)

References 111 publications

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“…Interactions between anthropic and natural environments must also be considered and encouraged for the recovery of water bodies so that the natural conditions of water resources are valued. In addition, the community must reject urban environmental degradation and work together to restore natural environments as addressed by Hawkins et al, (2020).…”

Section: Total Impact On Points (Tip)mentioning

confidence: 99%

Integration of environmental assessment models: A study of the impact on urban micro-watersheds in the Amazon-Brazil

Sousa

Miranda

Pereira

et al. 2022

Rev. Bras. Geog. Fis.

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The micro-watershed of the Ouricuri river stands out for serving a large portion of the local population, however, the lack of sanitation, construction in permanent preservation areas, the release of effluents, and other highimpact activities influence the maintenance of the local ecosystem. The study aimed to promote the integration of environmental assessment methodologies such as Rapid Protocol for Environmental Assessment (RPEA) and interpolation by the Inverse Distance Weighted (IDW) method to evaluate the impact to which the study area is subject. The integration of techniques enabled to verify that the points P9 and P10 are in anoxic conditions, with values 60% below what is recommended by Resolution N° 357/05 of CONAMA for class 2 water, and the other points varying between high and moderate environmental risk, with emphasis on Points P4 and P5, corresponding to the Ouricuri River, where the situation requires greater attention. The Total Impact in the study area suggests that the Ouricuri microwatershed needs immediate intervention, as in the sections of the Ouricuri River located in the commercial center and its tributaries, which are smaller streams, there is great pressure from the municipal sanitation system and buildings in protected areas, promoting serious changes to the local ecosystem and consequently to people's health.

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Section: Total Impact On Points (Tip)mentioning

confidence: 99%

Integration of environmental assessment models: A study of the impact on urban micro-watersheds in the Amazon-Brazil

Sousa

Miranda

Pereira

et al. 2022

Rev. Bras. Geog. Fis.

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“…This allows the re-creation of space for natural dynamic tidal processes and ecosystems lost due to port development and coastal squeeze, at the same time reducing the costs for shoreline protection (thereby complementing hard coastal defenses in areas where they must be maintained) and improving public recreation and access (Nunn et al 2016;Temmerman et al 2013). This approach has been applied successfully even in highly urbanized areas, such as the Liverpool Docks (Hawkins et al 2020) and the Thames estuary, London (Shih & Nicholls 2007), but does not come without political and social controversy, as it may require the relocation of important infrastructure or buildings, potentially at significant cost (Roca & Villares 2012).…”

Section: Managed Realignmentmentioning

confidence: 99%

Emerging Solutions to Return Nature to the Urban Ocean

Airoldi

Beck

Firth

et al. 2021

Annu. Rev. Mar. Sci.

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Urban and periurban ocean developments impact 1.5% of the global exclusive economic zones, and the demand for ocean space and resources is increasing. As we strive for a more sustainable future, it is imperative that we better design, manage, and conserve urban ocean spaces for both humans and nature. We identify three key objectives for more sustainable urban oceans: reduction of urban pressures, protection and restoration of ocean ecosystems, and support of critical ecosystem services. We describe an array of emerging evidence-based approaches, including greening gray infrastructure, restoring habitats, and developing biotechnologies. We then explore new economic instruments and incentives for supporting these new approaches and evaluate their feasibility in delivering these objectives. Several of these tools have the potential to help bring nature back to the urban ocean while also addressing some of the critical needs of urban societies, such as climate adaptation, seafood production, clean water, and recreation, providing both human and environmental benefits in some of our most impacted ocean spaces. Expected final online publication date for the Annual Review of Marine Science, Volume 13 is January 3, 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

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“…Complex habitats provide more surface area and a greater diversity of microhabitats (Preston, 1960;Kostylev et al, 2005; but see Loke et al, 2019, who found effects of complexity can be area-independent), both of which can moderate the effects of negative biotic interactions (i.e., competition and predation; Whittaker et al, 1973;Gregor and Anderson, 2016) and abiotic stressors (Connell, 1972;Coombes et al, 2013;Scheffers et al, 2014) underpinning species coexistence (Connell and Slatyer, 1977;Huston and DeAngelis, 1994). The ultimate goal of IGGI is to promote biodiversity and species coexistence which has knock-on benefits for ecosystem functioning (e.g., biofiltration by bivalves; Wilkinson et al, 1996;Vozzo et al, 2021), in turn providing ecosystem services such as regulating (e.g., water purification, Hawkins et al, 2020), supporting (e.g., primary production, Heery et al, 2020) and cultural (Hall et al, 2019) services.…”

Section: Introductionmentioning

confidence: 99%

Spatially Variable Effects of Artificially-Created Physical Complexity on Subtidal Benthos

O'Shaughnessy

Perkol-Finkel²,

Strain

et al. 2021

Front. Ecol. Evol.

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In response to the environmental damage caused by urbanization, Nature-based Solutions (NbS) are being implemented to enhance biodiversity and ecosystem processes with mutual benefits for society and nature. Although the field of NbS is flourishing, experiments in different geographic locations and environmental contexts have produced variable results, with knowledge particularly lacking for the subtidal zone. This study tested the effects of physical complexity on colonizing communities in subtidal habitats in two urban locations: (1) Plymouth, United Kingdom (northeast Atlantic) and (2) Tel Aviv, Israel (eastern Mediterranean) for 15- and 12-months, respectively. At each location, physical complexity was manipulated using experimental tiles that were either flat or had 2.5 or 5.0 cm ridges. In Plymouth, biological complexity was also manipulated through seeding tiles with habitat-forming mussels. The effects of the manipulations on taxon and functional richness, and community composition were assessed at both locations, and in Plymouth the survival and size of seeded mussels and abundance and size of recruited mussels were also assessed. Effects of physical complexity differed between locations. Physical complexity did not influence richness or community composition in Plymouth, while in Tel Aviv, there were effects of complexity on community composition. In Plymouth, effects of biological complexity were found with mussel seeding reducing taxon richness, supporting larger recruited mussels, and influencing community composition. Our results suggest that outcomes of NbS experiments are context-dependent and highlight the risk of extrapolating the findings outside of the context in which they were tested.

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Recovery of an urbanised estuary: Clean-up, de-industrialisation and restoration of redundant dock-basins in the Mersey

Cited by 17 publications

References 111 publications

Integration of environmental assessment models: A study of the impact on urban micro-watersheds in the Amazon-Brazil

Integration of environmental assessment models: A study of the impact on urban micro-watersheds in the Amazon-Brazil

Emerging Solutions to Return Nature to the Urban Ocean

Spatially Variable Effects of Artificially-Created Physical Complexity on Subtidal Benthos

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