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Food-web structure of canyon and slope associated fauna revealed by stable isotopes The primary objective of this study was to assess deepsea food web structure and trophic niches in Baltimore and Norfolk canyons, the adjacent slopes, and chemosynthetic seeps along the mid-Atlantic margin using stable isotope analyses (SIA) and isotope niche width analysis. We hypothesized that the isotopic compositions of canyon versus slope fauna would be distinct, given differences in the physics and chemistry of the canyons and slopes and resulting quality and quantity of the organic matter available to the benthos. These differences should be evident across taxa and among and within feeding groups. We also used SIA to estimate trophic positions of invertebrates and fishes and to examine changes in trophic... Categories: Data; Tags: Atlantic ocean, Baltimore canyon, USGS Science Data Catalog (SDC), biota, ecological competition, All tags... ecology, environment, food web, oceans, stable isotope analysis, submarine canyon, Fewer tags Barrier island habitat map and vegetation survey, Dauphin Island, AL, 2015 This dataset includes barrier island land cover types collected from mid-November 2015 to mid-December 2015 along randomly placed transects at seven sites throughout the east end of Dauphin Island. Specifically, this data collection included characterizing land cover types and measuring horizontal position and elevation. We characterized plant community composition and structure for a subset of these points (see Vegetation Survey Data Table). This work was conducted through a joint effort by the State of Alabama, the U.S. Geological Survey, and the U.S. Army Corps of Engineers to evaluate the feasibility of various restoration alternatives and how specific alternatives might increase the resiliency and sustainability... Types: Citation; Tags: Alabama, Dauphin Island, Gulf of Mexico, Mississippi Sound, Mobile Bay, All tags... USGS Science Data Catalog (SDC), barrier island, beach, biota, coastal dune, coastal wetland, elevation, environment, mapping, mobile county, vegetation community, Fewer tags Benthic infaunal communities of Baltimore and Norfolk canyons Submarine canyons are morphologically complex systems, acting as major conduits of organic matter along continental shelves, promoting gradients in food resources, habitat heterogeneity, and areas of sediment resuspension and deposition. Often environmental conditions within canyons can be highly distinct, particularly in different parts of the canyon and in contrast to adjacent slopes. Here we examine how biogeochemical drivers shape the differences between canyon and slope infaunal communities in Baltimore and Norfolk Canyons in the U.S. Mid-Atlantic Region. Specific comparisons included macrofaunal communities in Norfolk canyons and adjacent slope, hard substrate associated macrofaunal communities in Norfolk... Categories: Data; Types: Citation; Tags: Atlantic Ocean, Baltimore Canyon, Benthos, Meiobenthos, Norfolk Canyon, All tags... USGS Science Data Catalog (SDC), biota, chemosynthetic, deep-sea, macrofauna, meiofauna, seep, submarine canyon, Fewer tags Non-native fishes of the central Indian River Lagoon We provide a comprehensive review of the status of non-native fishes in the central Indian River Lagoon (from Cape Canaveral to Grant-Valkaria, east of I-95) through literature review and field surveys. Historical records exist for 17 taxa (15 species, one hybrid, one species complex). We found historical records for one additional species and collected one species in our field survey that had never been recorded in the region before (and which we eradicated). Thus, we evaluate 19 total taxa herein. Of these, we document range expansion of four salt-tolerant cichlid species, extirpation of six species that were previously recorded from the area and eradication of three species. There was no noticeable change in... Categories: Data; Types: Citation; Tags: Aquatic Biology, Ecology, Fishes, Florida, Indian River Lagoon, All tags... Non-native, Nutrients, USGS Science Data Catalog (SDC), biota, environment, Fewer tags Osmoregulatory capacity and muscle water control facing salinity stress of the Amazon fish Astronotus ocellatus (Cichlidae) Scientific tools such as physiological analysis are fundamental to understand invasive species tolerances and responses to different environmental conditions. The Amazon fish Astronotus ocellatus, popularly known as oscar, was introduced worldwide and became invasive in many places. Specimens of A. ocellatus were abruptly submitted to salt stress of 14 and 20 ppt, for 3 and 8 hours to analyze its plasma osmolality and muscle wet weight change. Fish in 14 ppt presented no osmolality distress even after 8 hours. In 20 ppt a slight increase (about 10%) in plasma osmolality was observed for both times of exposure. Fish muscle slices submitted to hyper-osmotic saline displayed decreased weight after 75 minutes, and slices... Categories: Data; Types: Citation; Tags: Gainesville, Alachua County, Florida, USGS Science Data Catalog (SDC), biological invasions, physiology Salt marsh carbon dynamics under altered hydrologic regimes and elevated CO2 conditions, Louisiana, USA (2014-2015) Plant-mediated processes are often important in determining carbon cycling and storage in ecosystems. With climate-induced changes in the environment, plant-associated processes may also shift. Salt marshes in particular are useful systems to investigate plant-mediated carbon cycling, as these systems experience both sea-level rise and increased carbon dioxide concentrations due to climate change, in addition to stochastically experiencing extreme drought and flood conditions. We measured biomass, soil, and gas carbon pools and the fluxes between those pools using a mesocosm approach in a salt marsh system, to investigate the response of plant-mediated carbon cycling to near-term climate change. Categories: Data; Tags: Ecology, Louisiana, USGS Science Data Catalog (SDC), aboveground production, belowground production, All tags... biota, carbon cycling, carbon dioxide, climate change, coastal wetland, decomposition, sea-level rise, soil carbon, Fewer tags Manatee environmental DNA data, and associated attributes, collected from the United States, Cuba, and Cameroon, from 2013-2015 Environmental DNA (eDNA) detection is a rapidly expanding technique used to non-invasively detect cryptic, low density, or logistically difficult-to-study species, such as imperiled manatees. Genetic material shed into the environment through tissue and body fluids is concentrated from water samples and analyzed for the presence of targeted eDNA. To help delineate manatee habitat ranges, high use areas, and seasonal population changes, a cytochrome-b quantitative PCR and state-of-the-art droplet digital PCR (ddPCR) eDNA assay was developed for the three extant and vulnerable manatee species: both subspecies of the West Indian manatee (Florida and Antillean), the African manatee and Amazonian manatee. Occurrence... Categories: Data; Types: Citation; Tags: Cameroon, Cuba, Ecology, Genetics, Gulf of Mexico, All tags... Trichechus, USGS Science Data Catalog (SDC), United States, Wildlife Biology, environmental DNA, marine mammals, multi-scale occupancy model, non-invasive detection, quantitative PCR, Fewer tags East Marsh Island Marsh Creation (TV-21): CRMS-like 01 and CRMS-like 02 The Louisiana State Legislature created Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in order to conserve, restore, create and enhance Louisiana's coastal wetlands. The wetland restoration plans developed pursuant to these acts specifically require an evaluation of the effectiveness of each coastal wetlands restoration project in achieving long-term solutions to arresting coastal wetlands loss. This data set includes mosaicked aerial photographs for the East Marsh Island Marsh Creation (TV-21): CRMS-like 01 and CRMS-like 02 project for 2016. This data is used as a basemap land-water classification. It also serves as a visual tool for project managers to help them identify any obvious problems... Tags: CWPPRA, DOQQ, Ecology, Geography, Geomorphology, All tags... Gulf of Mexico, Land Use Change, Louisiana, Louisiana Coastal, Remote Sensing, TV-21, USGS Science Data Catalog (SDC), aerial photography, digital elevation models, ecosystem monitoring, geographic information systems, image collections, image mosaics, natural resource management, rectification, remote sensing, wetland ecosystems, wetland restoration, Fewer tags Salvinia/weevil case study: Using drones to monitor weevil propagation in Salvinia aquatics (ver. 2.0, August 2023) During summer months, coastal Louisiana is plagued with floating aquatics that fill and block canals and small waterways causing trouble for boaters. This floating aquatic starts growing in the spring and dies off in late summer and early winter months. One natural predator of the Salvinia sp is the weevil that forages on the Salvinia and causes premature die-off. These weevils do exist naturally in the ecosystem, but this study will introduce the weevil to these salvinia sp aquatics in the early growing season in hopes of reducing the amount and thickness of these salvinia biomass. Thru the use of UAV's (Unmanned aerial vehicles), high resolution imagery will be acquired and classified to monitor the effect... Categories: Data Release - Revised; Tags: Cane Bayou, Coastal Aquatics, Floating Aquatics, Louisiana, Salvinia, All tags... Salvinia, USGS Science Data Catalog (SDC), Weevil, biota, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0272 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0065 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0097 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0178 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0260 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0157 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0305 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0258 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0547 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0377 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, and 2016 Site 0396 land-water matrix Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in Louisiana rely on monitoring efforts to determine the efficacy of these efforts. The Coastwide Reference Monitoring System (CRMS) was developed to assist in a multiple-reference approach that uses aspects of hydrogeomorphic functional assessments and probabilistic sampling for monitoring. The CRMS program includes a suite of approximately 390 sites that encompass the range of hydrological and ecological conditions for each stratum. As part of CRMS, land and water classifications are created from Wetland restoration efforts conducted by the Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA)... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CRMS, DOQQ, Emergent Wetland, Forested Wetland, Geographic Information System, All tags... Louisiana, Scrub-Shrub Wetland, State of Louisiana, alteration of wetland habitats, cartography, coastal, imageryBaseMapsEarthCover, land-water, mapping, marsh, protection, restoration, wetland, wetland, wetland ecosystems, wetlands, Fewer tags « 1 ... 29 30 31 32 33 ... 40 »