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87 results for “coastal wetland”
Hurricane Harvey: Coastal wetland plant responses and recovery in Texas: 2014-2019
The capacity of coastal wetlands to stabilize shorelines and reduce erosion is a critical ecosystem service, and it is uncertain how changes in dominant vegetation may affect coastal protection. As part of a long-term study comparing ecosystem functions of marsh and black mangrove vegetation, we have experimentally maintained marsh and black mangrove patches (3 m x 3 m) along a plot-level (24 m x 42 m) gradient of marsh and mangrove cover in coastal wetlands near Port Aransas, Texas. In August 2017, this experiment was directly in the path of Hurricane Harvey, a Category 4 storm. This extreme disturbance event provided an opportunity to quantify differences in resistance between mangrove and marsh vegetation, and the recovery trajectories following the storm. We collected data on changes in plant cover and height from 2014-2019.
Sediment accumulation rate data aggregated from publications describing research conducted in South Florida on coastal wetlands prior to 2022
Wetland sediment accumulation rate data were harvested from publications describing research conducted in the Southeast Saline Everglades, Northeast Florida Bay, the Lower Florida Keys, Southwest Everglades National Park, Ten Thousand Island National Wildlife Refuge, and Rookery Bay National Estuarine Research Reserve. The data were organized into three categories based on the method by which they were calculated: lump sum, core section interval, Sediment Elevation Table Marker Horizon. The data were assembled by Dr. Randall W. Parkinson as part of his research on the resiliency of coastal wetlands to accelerating sea-level rise.
Data from: Fertilizer legacies meet saltwater incursion: challenges and constraints for coastal plain wetland restoration
Coastal wetland restoration is an important tool for climate change adaptation and excess nutrient runoff mitigation. However, the capacity of restored coastal wetlands to provide multiple ecosystem services is limited by stressors, such as excess nutrients from upstream agricultural fields, high nutrient legacies on-site, and rising salinities downstream. The effects of these stressors are exacerbated by an accelerating hydrologic cycle, expected to cause longer droughts punctuated by more severe storms. We used seven years of surface water and six years of soil solution water chemistry from a large (440 ha) restored wetland to examine how fertilizer legacy, changes in hydrology, and drought-induced salinization affect dissolved nutrient and carbon concentrations. To better understand the recovery trajectory of the restored wetland, we also sampled an active agricultural field and two mature forested wetlands. Our results show that nitrogen (N) and phosphorus (P) concentrations in soil solution were 2–10 times higher in the restored wetland compared to two mature forested wetlands, presumably due to legacy fertilizer mobilized by reflooding. Despite elevated nutrient concentrations relative to reference wetlands, the restored wetland consistently attenuated N and P pulses delivered from an upstream farm. Even with continued loading, N and P concentrations in surface water throughout the restored wetland have decreased since the initial flooding. Our results suggest that high nutrient concentrations and export from wetlands restored on agricultural lands may be a severe but temporary problem. If field to wetland conversion is to become a more widespread method for ameliorating nutrient runoff and adapting coastal plain ecosystems to climate change, we should adopt new methods for minimizing the initial export phase of wetland restoration efforts.
Dataset for the study:"Driving and limiting factors of CH4 and CO2 emissions from coastal brackish-water wetlands in temperate regions"
<p>Dataset used for statistical analysis of the manuscript "Chiapponi, E., Silvestri, S., Zannoni, D., Antonellini, M., and Giambastiani, B. M. S.: Driving and limiting factors of CH<sub>4</sub> and CO<sub>2</sub> emissions from coastal brackish-water wetlands in temperate regions, EGUsphere, https://doi.org/10.5194/egusphere-2023-605, 2023."</p> <p>The dataset include:</p> <ul> <li>CO2 and CH4 fluxes retrived with a portable fluximeter from soils and standing waters</li> <li>environemntal parameters ( T of air and water, Electrical Conductivity (EC), irradiance and water depth </li> </ul> <p>To cite content from this repository: "Chiapponi, E., Silvestri, S., Zannoni, D., Antonellini, M., and Giambastiani, B. M. S.: Dataset for the study:"Driving and limiting factors of CH4 and CO2 emissions from coastal brackish-water wetlands in temperate regions", EGUsphere, 10.5281/zenodo.10390803."</p> <p> </p>
Data for: Aquatic connectivity treatments increase fish and macroinvertebrate use of Typha invaded Great Lakes coastal wetlands
<p>Coastal wetlands provide critical habitat for aquatic organisms and important ecosystem services for the terrestrial and aquatic landscapes they bridge, but increasingly common invasive macrophytes disrupt plant communities, food webs, habitat structure and littoral-pelagic linkages. In Laurentian Great Lakes coastal wetlands, invasive cattails (<em>Typha</em> ×<em>glauca</em> and<em> T. angustifolia</em>, hereafter <em>Typha</em>) homogenize ecosystem structure and reduce nearshore dissolved oxygen, and plant, fish, and macroinvertebrate diversity. We hypothesize that management treatments that reduce<em> Typha </em>and its abundant litter promote structural heterogeneity and mitigate physiochemical and biodiversity impacts.</p> <div>To test this hypothesis, we implemented a large-scale (2048 m<sup>2</sup> treatment units), multi-site (four coastal wetlands) experiment in northern Michigan (USA) to examine how invasive Typha mechanical harvesting treatments (biomass harvest, aquatic connectivity channels, Typha-dominated control) altered fish, macroinvertebrate, plant, larval amphibian abundance and diversity, and water quality for two-years post-treatment. We collected fish, macroinvertebrates, plant, larval amphibian, and water quality data from for two years following the implementation of management treatments. These data are presented in this archived dataset. </div>
Fig. 1 in Impact Of Coastal Wetland Restoration Strategies In The Chongming Dongtan Wetlands, China: Waterbird Community Composition As An Indicator
Fig. 1. Locationofthestudysites (A–D).
Fig. 1 in Waterbird Distribution Patterns And Environmentally Impacted Factors In Reclaimed Coastal Wetlands Of The Eastern End Of Nanhui County, Shanghai, China
Fig. 1. LocationofstudysitesinNanhuiCounty, Shanghai.
Monitoring vertebrate biodiversity of a protected coastal wetland using eDNA metabarcoding
<p>Monitoring plans using environmental DNA have the potential to offer a standardized and cost-efficient method to survey biodiversity in aquatic ecosystems. Among these ecosystems, coastal wetlands are key elements that serve as transition zones between marine and freshwater ecosystems and are today the target of many conservation and restoration efforts. In this sense, eDNA monitoring could provide a rapid and efficient tool for studying and generating baseline biodiversity information to guide coastal wetland management programs. Here we test an eDNA metabarcoding assay as a tool to characterize vertebrate biodiversity in one of the largest coastal wetlands of Chile, the Rio Cruces Wetland, a Ramsar designated site since 1981. We sampled surface water from 49 sites along the entire wetland. Our eDNA approach detected 91 genera of vertebrates including amphibians, fishes, mammals, and birds, as well as identified several cryptic, exotic, and endangered species. Our results also indicated that the spatial distribution of eDNA from different species is spatially structured despite the complex hydrodynamics inherent in this wetland due to the influence of daily tidal regimes. For amphibians and fishes, the number of taxa detected with eDNA was higher in the periphery of the wetland, and increased with proximity to the ocean, a pattern consistent with small-scale spatial sensitivity for some species and eDNA accumulation downstream for others. Birds and mammals showed somewhat more idiosyncratic distributions. Taken together our results add to the growing body of evidence showing eDNA can serve as a rapid cost-effective tool to characterize vertebrate communities in protected coastal wetlands, where visual surveys are difficult and animal collections are often prohibited. The use of multiple primer sets is also recommended as it facilitates the detection of ephemeral terrestrial organisms and resident aquatic organisms that make use of these wetlands.</p>
Supporting data for: Coastal wetland adaptability to sea level rise: the neglected role of semi-diurnal versus diurnal tides
<p>Dataset necessary to reproduce the analyses and results presented in the paper.</p> <p>Belliard, J.-P., Gourgue, O., Govers, G., Kirwan, M.L., & Temmerman, S. (2022) Coastal wetland adaptability to sea level rise: the neglected role of semi-diurnal versus diurnal tides, submitted to Limnology & Oceanography Letters.</p> <p>The dataset contains:<br> • The source codes of the zero-dimensional numerical model, parametrized for the two model experiments, and the Matlab scripts to generate model input data (pre-processing).<br> • The scripts to perform geospatial analysis in order to select data from the various compiled and acquired (meta-)datasets and the scripts to perform subsequent multi-variate analyses applied to these selected data.<br> • The processed data that are reported and represented in figures in the associated manuscript.<br> • The Matlab scripts to generate the figures of the manuscript based on these processed data</p> <p>• The readme file detailing the contents of every data file, model subroutine and processing script. <br> • The metadata document<br> • The excel file "SET_dataset.xlsx" which contains all compiled SET records used in this study (see manuscript)<br> • The original reference (published sources) "SET_dataset_original_references.docx" associated with each SET record compiled.</p> <p> </p> <p> </p>
Patterns and determinants of plant-derived lignin phenols in coastal wetlands: implications for organic C accumulation
<p>1. As a major plant-derived soil organic carbon (SOC) component, lignin phenols are unique biomarkers that reflect biogeochemical characteristics under different vegetation compositions and climatic zones in coastal wetlands. However, the latitudinal patterns of plant-derived lignin phenols to SOC and their link with the stability and controlling mechanisms remain poorly understood.</p> <p>2. A total of 156 soil samples from 39 sites along a 5000 km coastal transect, were taken to explore the effects of biological and environmental controls on the patterns of lignin phenols. Lignin phenols had contents ranging from 1.91 to 83.3 mg g−1 OC, and a positive correlation was detected in grass-dominated salt marsh, but a weakly negative correlation in mangrove. Positive correlations between SOC or lignin content and C/V or S/V (the cinnamyl- or syringyl-to-vanillyl) ratios were found, while overall negative correlations between SOC or lignin content and (Ad/Al)V or (Ad/Al)S (the acid-to-aldehyde of vanillyl or syringyl units) ratios were detected, respectively, which confirmed the validity of these lignin biomarker degradation parameters.</p> <p>3. Our findings revealed that plant C inputs and monomer ratios directly influenced the capacity of lignin phenols in soils. Lignin content and stabilization was mainly controlled by soil properties (i.e., pH, EC, sand/clay). Mean annual temperature (MAT) influenced the patterns of lignin phenols both directly by increasing decomposition and indirectly by changing the vegetation and soil biogeochemistry (i.e., microbial substrate availability).</p> <p>4. Coastal wetlands are characterized by high primary productivity and C burial rate, yet plant-derived lignin phenols are not as much as we thought compared to microbial residues C. Precise identification and quantification of the origin, decomposition, and determinants of lignin phenols help us understand their contribution to C sequestration and its response to climate and environmental changes.</p>
A Multi-algorithm Approach for Modeling Coastal Wetland Eco-geomorphology
<p>This dataset includes the input data for MACES to run simulations on three representative coastal wetland sites: two saltmarsh wetland (Venice Lagoon and Plum Island Estuary) and a mangrove wetland (Hunter Estuary).</p>
Occurrence patterns and trends of frogs in coastal wetlands of the Great Lakes call for further habitat restoration
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Patterns and determinants of plant-derived lignin phenols in coastal wetlands: implications for organic C accumulation
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Data from: Fertilizer legacies meet saltwater incursion: challenges and constraints for coastal plain wetland restoration
Open the record for dataset details and reuse information.
Monitoring vertebrate biodiversity of a protected coastal wetland using eDNA metabarcoding
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Spatial distribution and driving factors of microbial necromass carbon in coastal wetlands of China
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Data for: Aquatic connectivity treatments increase fish and macroinvertebrate use of Typha invaded Great Lakes coastal wetlands
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Data from: Muskrat disturbances and their analogues reduce invasive plant dominance within a Great Lakes coastal wetland
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Data from: Surface elevation trends in natural and restored coastal forested wetlands reveal vulnerability to saltwater intrusion and sea level rise
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Datasets relating (i) A wetland fish multimetric index to variation in agricultural stress among Laurentian Great Lakes coastal wetlands, (ii) Cyanobacteria biomass to total phosphorus concentrations among Canadian lakes
<p>We present two datasets of biological responses against environmental stresses. In the first dataset, the biological response and environmental stress variables are fish multimetric index of community health and agricultural stress, respectively, in watersheds draining to Laurentian Great Lakes. In the second dataset, the biological response and environmental stress variables are cyanobacterial biomass and total phosphorus, respectively, in Canadian Lakes.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.