Estuarine Degradation and Rehabilitation

Lepage, Mario; Capderrey, Cécile; Elliott, Michael; Meire, Patrick

doi:10.1002/9781119705345.ch8

Cited by 14 publications

(3 citation statements)

References 383 publications

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“…nutrients, organic carbon, and thermal loading); 3) sewage and pathogenic inputs; 4) chemical contaminants; 5) human-induced sediment/particulate inputs; 6) human-altered hydrological regimes; 7) dredging and dredged-material disposal; 8) invasive/ introduced species; 9) overfishing and intensive aquaculture; 10) coastal subsidence; 11) floatables/plastics/debris; and 12) climate change. Transportation and shipping, renewable and non-renewable energy generation, agriculture, and coastal infrastructure may be added to this list [10]. These drivers of change can be organized further into physical, chemical, and biotic factors that often affect the ecological integrity, sustainability, and ecosystem services of these environments, or can be divided into four major categories depending on whether they compromise water quality, alter biotic communities, degrade habitat, or are linked to climate change (Table 1).…”

Section: Types Of Anthropogenic Impactsmentioning

confidence: 99%

Management Strategies to Mitigate Anthropogenic Impacts in Estuarine and Coastal Marine Environments: A Review

Kennish¹

2022

OJE

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A wide range of anthropogenic activities impacts estuarine and coastal marine environments including interactive climate and non-climatic drivers of change that can significantly degrade biotic communities and habitats. Many of these environments are in decline due to changes in ecosystem structure and function resulting from multiple stressor effects. In addition, inadequate governance has supported a patchwork of single issues or sectoral approaches rather than integrated management of multiple human uses and activities to maintain healthy, productive, resilient, and sustainable ecosystems and the provision of goods and services. Ecosystem-based marine spatial planning is a viable framework for a more effective governance structure and management of these vital coastal environments. An important component of this approach is a holistic effort to assess the environmental, economic, and societal impacts of anthropogenic activities. Thus, a multidisciplinary integrated approach is preferred that links ecological, physical, and socio-economic systems, increasing the protection of resources and societal benefits. For degraded estuarine and coastal marine ecosystems, restoration and rehabilitation initiatives are important intervention strategies used to reverse the loss of habitats and biotic resources and to support management programs. Marine Protected Areas (MPAs) are an integral element of marine management plans to conserve and sustain estuarine and coastal marine environments by protecting threatened ecosystems and their resources from anthropogenic activities. National and international regulatory frameworks and directives are also in place to protect and conserve these environments.

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Section: Types Of Anthropogenic Impactsmentioning

confidence: 99%

Management Strategies to Mitigate Anthropogenic Impacts in Estuarine and Coastal Marine Environments: A Review

Kennish¹

2022

OJE

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“…Threats to tidal wetlands include direct (e.g., land use change, invasive species, altered sediment loads, and pollution) and indirect (e.g., climate change) effects (Kennish 2002;Kirwan and Megonigal 2013). In response to these threats, tidal wetlands are increasingly the focus of management plans and restoration efforts (Zedler 2000;Lepage et al 2022).…”

Section: Introductionmentioning

confidence: 99%

Wetland geomorphology and tidal hydrodynamics drive fine-scale fish community composition and abundance

Clause,

Farruggia,

Feyrer

et al. 2024

Environ Biol Fish

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Effective restoration of tidal wetlands for fish communities requires clear goals and mechanistic understanding of the ecosystem drivers which affect fish distribution and abundance. We examined fish community responses to abiotic habitat features in two adjacent but dissimilar freshwater tidal wetlands in the Sacramento-San Joaquin Delta, CA, USA, each of which represents a potential restoration configuration. The first wetland was characterized by a broad, intertidal basin with relatively high hydrodynamic exchange with surrounding waterways. The second wetland was characterized by a dendritic network of shallow subtidal channels with relatively low hydrodynamic exchange. Fish community composition significantly differed between the two wetlands, based on permutational analysis of variance. Fish abundance within and among the two wetlands was also highly affected by specific geomorphic and hydrodynamic characteristics: distance from connection with the main external waterway, bed elevation, and water surface elevation. The physical configuration of a restored tidal wetland, in conjunction with the way tides move across the restored landscape, has strong implications for local fishes. Manipulating these elements to create a landscape mosaic of habitat configurations can be an effective tool for targeting desired restoration outcomes, such as specific fish communities or target fish densities.

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“…It is important to note that the stomachs of the fish were not emptied before weighing [12]. Several scientists and researchers have worked on the length-weight relationship and Fulton condition factor [13,14,15]. Therefore, this present study aims to establish a valuable guideline for future biometric studies on fish collected along the coastal line.…”

Section: Introductionmentioning

confidence: 99%

Length–weight Relationship and Condition Factor of Silver Pomfret (Pampus argenteus), Damanganga Estuary, Daman

Dubey,

Koppar,

Singh

et al. 2024

UPJOZ

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A study was conducted on the length-weight relationship and condition factor of the commercially important fish, Silver Pomfret (Pampus argenteus), in the Damanganga estuary in Daman. Fish samples were collected from January 2021 to March 2021, with a total of 330 randomly sampled fish collected from fishermen. The average total length was 23.309±0.775 cm and the average total weight was 259.606±20.144 grams measured using standard methods. The 'b' value of Pampus argenteus showed a negative allometric (b<3.0) growth pattern, with the total length being positively correlated with the total weight of the fish (r²=0.829). The growth pattern was negative allometric while the Fulton condition factor (2.03±0.114) indicated good condition. Therefore, further studies on the length-weight relationship should focus on the sustainable management of the fisheries.

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Estuarine Degradation and Rehabilitation

Cited by 14 publications

References 383 publications

Management Strategies to Mitigate Anthropogenic Impacts in Estuarine and Coastal Marine Environments: A Review

Management Strategies to Mitigate Anthropogenic Impacts in Estuarine and Coastal Marine Environments: A Review

Wetland geomorphology and tidal hydrodynamics drive fine-scale fish community composition and abundance

Length–weight Relationship and Condition Factor of Silver Pomfret (Pampus argenteus), Damanganga Estuary, Daman

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