Готові списки джерел за темами / Shoreline hardening

Добірка наукової літератури з теми "Shoreline hardening"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Shoreline hardening"

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Kornis, Matthew S., Donna M. Bilkovic, Lori A. Davias, Steve Giordano, and Denise L. Breitburg. "Shoreline Hardening Affects Nekton Biomass, Size Structure, and Taxonomic Diversity in Nearshore Waters, with Responses Mediated by Functional Species Groups." Estuaries and Coasts 41, S1 (April 24, 2017): 159–79. http://dx.doi.org/10.1007/s12237-017-0214-5.

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Abstract Coastal shoreline hardening is intensifying due to human population growth and sea level rise. Prior studies have emphasized shoreline-hardening effects on faunal abundance and diversity; few have examined effects on faunal biomass and size structure or described effects specific to different functional groups. We evaluated the biomass and size structure of mobile fish and crustacean assemblages within two nearshore zones (waters extending 3 and 16 m from shore) adjacent to natural (native wetland; beach) and hardened (bulkhead; riprap) shorelines. Within 3 m from shore, the total fish/crustacean biomass was greatest at hardened shorelines, driven by greater water depth that facilitated access to planktivore (e.g., bay anchovy) and benthivore-piscivore (e.g., white perch) species. Small-bodied littoral-demersal species (e.g., Fundulus spp.) had greatest biomass at wetlands. By contrast, total biomass was comparable among shoreline types within 16 m from shore, suggesting the effect of shoreline hardening on fish biomass is largely within extreme nearshore areas immediately at the land/water interface. Shoreline type utilization was mediated by body size across all functional groups: small individuals (≤60 mm) were most abundant at wetlands and beaches, while large individuals (>100 mm) were most abundant at hardened shorelines. Taxonomic diversity analysis indicated natural shoreline types had more diverse assemblages, especially within 3 m from shore, although relationships with shoreline type were weak and sensitive to the inclusion/exclusion of crustaceans. Our study illustrates how shoreline hardening effects on fish/crustacean assemblages are mediated by functional group, body size, and distance from shore, with important applications for management.
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Wensink, Stacey M., and Scott D. Tiegs. "Shoreline hardening alters freshwater shoreline ecosystems." Freshwater Science 35, no. 3 (September 2016): 764–77. http://dx.doi.org/10.1086/687279.

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3

Landry, J. Brooke, and Rebecca R. Golden. "In Situ Effects of Shoreline Type and Watershed Land Use on Submerged Aquatic Vegetation Habitat Quality in the Chesapeake and Mid-Atlantic Coastal Bays." Estuaries and Coasts 41, S1 (September 8, 2017): 101–13. http://dx.doi.org/10.1007/s12237-017-0316-0.

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Abstract Submerged aquatic vegetation (SAV) is an ecologically and economically valuable component of coastal estuaries that acts as an early indicator of both degrading and improving water quality. This study aimed to determine if shoreline hardening, which is associated with increased population pressure and climate change, acts to degrade SAV habitat quality at the local scale. In situ comparisons of SAV beds adjacent to both natural and hardened shorelines in 24 subestuaries throughout the Chesapeake and Mid-Atlantic Coastal Bays indicated that shoreline hardening does impact adjacent SAV beds. Species diversity, evenness, and percent cover were significantly reduced in the presence of riprap revetment. A post hoc analysis also confirmed that SAV is locally affected by watershed land use associated with increased population pressure, though to a lesser degree than impacts observed from shoreline armoring. When observed over time, SAV recovery at the local level took approximately 3 to 4 years following storm impacts, and SAV adjacent to natural shorelines showed more resilience to storms than SAV adjacent to armored shorelines. The negative impacts of shoreline hardening and watershed development on SAV shown here will inform coastal zone management decisions as increasing coastal populations and sea level rise drive these practices.
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4

Prosser, Diann J., Jessica L. Nagel, Shay Howlin, Paul R. Marbán, Daniel D. Day, and R. Michael Erwin. "Effects of Local Shoreline and Subestuary Watershed Condition on Waterbird Community Integrity: Influences of Geospatial Scale and Season in the Chesapeake Bay." Estuaries and Coasts 41, S1 (July 26, 2017): 207–22. http://dx.doi.org/10.1007/s12237-017-0288-0.

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Abstract In many coastal regions throughout the world, there is increasing pressure to harden shorelines to protect human infrastructures against sea level rise, storm surge, and erosion. This study examines waterbird community integrity in relation to shoreline hardening and land use characteristics at three geospatial scales: (1) the shoreline scale characterized by seven shoreline types: bulkhead, riprap, developed, natural marsh, Phragmites-dominated marsh, sandy beach, and forest; (2) the local subestuary landscape scale including land up to 500 m inland of the shoreline; and (3) the watershed scale >500 m from the shoreline. From 2010 to 2014, we conducted waterbird surveys along the shoreline and open water within 21 subestuaries throughout the Chesapeake Bay during two seasons to encompass post-breeding shorebirds and colonial waterbirds in late summer and migrating and wintering waterfowl in late fall. We employed an Index of Waterbird Community Integrity (IWCI) derived from mean abundance of individual waterbird species and scores of six key species attributes describing each species’ sensitivity to human disturbance, and then used this index to characterize communities in each subestuary and season. IWCI scores ranged from 14.3 to 19.7. Multivariate regression model selection showed that the local shoreline scale had the strongest influence on IWCI scores. At this scale, percent coverage of bulkhead and Phragmites along shorelines were the strongest predictors of IWCI, both with negative relationships. Recursive partitioning revealed that when subestuary shoreline coverage exceeded thresholds of approximately 5% Phragmites or 8% bulkhead, IWCI scores decreased. Our results indicate that development at the shoreline scale has an important effect on waterbird community integrity, and that shoreline hardening and invasive Phragmites each have a negative effect on waterbirds using subestuarine systems.
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5

Balouskus, Richard G., and Timothy E. Targett. "Impact of Armored Shorelines on Shore-Zone Fish Density in a Mid-Atlantic, USA, Estuary: Modulation by Hypoxia and Temperature." Estuaries and Coasts 41, S1 (May 23, 2017): 144–58. http://dx.doi.org/10.1007/s12237-017-0258-6.

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Abstract Anthropogenic modifications of estuarine environments, including shoreline hardening and corresponding alteration of water quality, are accelerating worldwide as human population increases in coastal regions. Estuarine fish species inhabiting temperate ecosystems are adapted to extreme variations in environmental conditions including water temperature, salinity, and dissolved oxygen across seasonal, daily, and hourly time scales. The present research utilized quantitative sampling to examine the spatiotemporal distribution of shore-zone estuarine fish species in association with four unique shoreline types across a range of water temperature and dissolved oxygen conditions. Fish were collected from the intertidal and shallow subtidal region of four shoreline types, Spartina alterniflora marsh, Phragmites australis marsh, riprap, and bulkhead, in the summer and fall of 2009 and 2010. Analyses were performed to (1) compare mean fish density among shoreline types across all water conditions and (2) explore relationships of the complete fish assemblage, three functional species groupings, and two fish species (Fundulus heteroclitus and Menidia menidia) to unique shoreline/water conditions. Significantly greater mean fish densities were found along S. alterniflora shorelines than armored shorelines. Several metrics including fish density, species richness, and occurrence rates suggest S. alterniflora shorelines may serve as a form of refuge habitat during periods of low dissolved oxygen and high temperatures for various species, particularly littoral-demersal species including F. heteroclitus. Potential mechanisms that could contribute to a habitat providing refuge during adverse water quality conditions include tempering of the adverse condition (decreased temperatures, increased dissolved oxygen), predation protection, and increased foraging opportunities.
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Gittman, Rachel K., Steven B. Scyphers, Carter S. Smith, Isabelle P. Neylan, and Jonathan H. Grabowski. "Ecological Consequences of Shoreline Hardening: A Meta-Analysis." BioScience 66, no. 9 (August 10, 2016): 763–73. http://dx.doi.org/10.1093/biosci/biw091.

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Scyphers, Steven B., Michael W. Beck, Kelsi L. Furman, Judy Haner, Lauren I. Josephs, Rebecca Lynskey, Andrew G. Keeler, et al. "A Waterfront View of Coastal Hazards: Contextualizing Relationships among Geographic Exposure, Shoreline Type, and Hazard Concerns among Coastal Residents." Sustainability 11, no. 23 (November 26, 2019): 6687. http://dx.doi.org/10.3390/su11236687.

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Coastal communities exist on the front lines of diverse natural hazards and the growing impacts of climate change. While traditional strategies for dealing with coastal hazards have often involved the hardening or armoring of shorelines, more recent research and practice have demonstrated the value and cost-effectiveness of “living shorelines” and other ecosystem-based strategies for coastal protection. To explore potential relationships among geographic exposure (waterfront vs. inland), shoreline condition (armored vs. natural), and hazard concerns, we surveyed 583 waterfront and inland residents in the northern Gulf of Mexico. We found that overall concern for coastal hazards was similar across waterfront and inland residents, as well as among residents with both armored and natural shorelines. However, concern for specific hazards differed across these groups. Waterfront residents were significantly more concerned about major hurricanes and erosion than inland residents. Conversely, inland residents were more concerned with drought and flooding than waterfront residents. Among waterfront residents, specific hazard concerns were similar between residents with natural and armored shorelines with two key exceptions. Residents with armored shorelines reported higher concern for erosion and sea level rise than residents with natural shorelines. Our results suggest that armored shorelines do not necessarily alleviate concerns about coastal hazards. In the context of balancing social and ecological objectives in addressing coastal hazards or adapting to climate change, understanding the perceptions and behaviors of coastal residents is essential for conserving and protecting coastal ecosystems along residential shorelines.
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Bragg, Wendy, Sara Gonzalez, Ando Rabearisoa, and Amanda Stoltz. "Communicating Managed Retreat in California." Water 13, no. 6 (March 13, 2021): 781. http://dx.doi.org/10.3390/w13060781.

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California cities face growing threats from sea-level rise as increased frequency and severity of flooding and storms cause devastating erosion, infrastructure damage, and loss of property. Management plans are often designed to prevent or slow flooding with short-term, defensive strategies such as shoreline hardening, beach nourishment, and living shorelines. By contrast, managed retreat focuses on avoiding hazards and adapting to changing shorelines by relocating out of harm’s way. However, the term “managed retreat” can be controversial and has engendered heated debates, defensive protests, and steady resistance in some communities. Such responses have stymied inclusion of managed retreat in adaptation plans, and in some cases has resulted in complete abandonment of the policy review process. We examined the Local Coastal Program review process in seven California communities at imminent risk of sea-level rise and categorized each case as receptive or resistant to managed retreat. Three prominent themes distinguished the two groups: (1) inclusivity, timing, and consistency of communication, (2) property ownership, and (3) stakeholder reluctance to change. We examined use of terminology and communication strategies and provided recommendations to communicate “managed retreat” more effectively.
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Gittman, Rachel K., F. Joel Fodrie, Alyssa M. Popowich, Danielle A. Keller, John F. Bruno, Carolyn A. Currin, Charles H. Peterson, and Michael F. Piehler. "Engineering away our natural defenses: an analysis of shoreline hardening in the US." Frontiers in Ecology and the Environment 13, no. 6 (August 2015): 301–7. http://dx.doi.org/10.1890/150065.

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Pillet, Valentin, Virginie K. E. Duvat, Yann Krien, Raphaël Cécé, Gael Arnaud, and Cécilia Pignon-Mussaud. "Assessing the impacts of shoreline hardening on beach response to hurricanes: Saint-Barthélemy, Lesser Antilles." Ocean & Coastal Management 174 (May 2019): 71–91. http://dx.doi.org/10.1016/j.ocecoaman.2019.03.021.

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Книги з теми "Shoreline hardening"

1

Terich, Thomas. Annotated bibliographies on shoreline hardening effects, vegetative erosion control, and beach nourishment. Olympia, Wash: Shorelands and Coastal Zone Management Program, Washington Dept. of Ecology, 1994.

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2

Terich, Thomas A. Annotated bibliographies on shoreline hardening effects, vegetative erosion control, and beach nourishment. Olympia, Wash: Shorelands and Coastal Zone Management Program, Washington Dept. of Ecology, 1994.

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3

Effects of shoreline hardening and shoreline protection features on fish utilization and behavior, Washaway Beach, Washington. [Olympia, Wash.]: Washington State Dept. of Transportation, 2001.

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C, Miller Marc, Washington (State). Dept. of Transportation., Washington State Transportation Commission. Planning and Capital Program Management., and Pacific Northwest National Laboratory (U.S.), eds. Effects of shoreline hardening and shoreline protection features on fish utilization and behavior, Washaway Beach, Washington (report 2). [Olympia, Wash.]: Washington State Dept. of Transportation, 2002.

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5

Effects of shoreline hardening and shoreline protection features on fish utilization and behavior at Washaway Beach, Washington (final report). [Olympia, Wash.]: Washington State Dept. of Transportation, 2002.

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Тези доповідей конференцій з теми "Shoreline hardening"

1

Tavares, Kammie-Dominique A., Charles H. Fletcher, and Tiffany Anderson. "RISK OF SHORELINE HARDENING AND ASSOCIATED BEACH LOSS PEAKS BEFORE MID-CENTURY." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-339111.

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Звіти організацій з теми "Shoreline hardening"

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Miller, Martin C., Greg D. Williams, Lohna K. O'Rourke, John A. Southard, and Susan L. Blanton. Effects of Shoreline Hardening and Shoreline Protection Features on Fish Utilization and Behavior at Washaway Beach, Washington (Report 2). Office of Scientific and Technical Information (OSTI), February 2002. http://dx.doi.org/10.2172/15001008.

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