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This dataset contains information on all snakehead fishes found in the United States. It is a subset of a larger database, the Nonindigenous Aquatic Species Database (NAS). This information resource is an established central repository for spatially referenced biogeographic accounts of introduced aquatic species. The NAS website provides scientific reports, online/real-time queries, spatial data sets, distribution maps, fact sheets, and general information.
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In 2015-2016, the Ohio Division of Wildlife’s undercover law enforcement purchased 1,200 grass carp (Ctenopharyngodon idella). Fish heads and eyeballs were sent overnight to U.S. Geological Survey Wetland and Aquatic Research Center for ploidy analysis. Field and laboratory standard operating procedures were established and followed. Fish lengths, fish weights, and eyeball weights were obtained from the U.S. Fish and Wildlife Service’s feral carp ploidy program for grass carp and black carp (Mylopharyngodon piceus) and the Ohio grass carp. Internal 2µm or 4µm bead standards were used in establishing nuclear sizes from Nile tilapia (Oreochromis niloticus), known diploid (n=20) and triploid (n=20) carp blood, as well...
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Deep-sea corals create complex habitats that support distinct sediment communities. Several deep-sea coral habitats were impacted by the 2010 Deepwater Horizon spill, and recovery of associated sediment communities may take several years. While spill-associated organic enrichment may lead to increased abundances of tolerant taxa, toxic effects of the spill may lead to declines in sensitive groups. However, temporal variability in coral-associated sediment macrofauna is unknown and represents an important consideration for post-spill community assessments. Here we examine how the macrofaunal communities change over time at impacted and reference sites. From 2010 to 2016, we examined macrofaunal communities at multiple...
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Temperature is an important factor in understanding biogeography and species composition. In south Florida, non-native fishes’ tolerance to low temperatures is a critical factor in delineating their geographic spread. We provide a literature review summarizing the current state of knowledge of low-temperature tolerances for all seventeen non-native fishes that have been found in Everglades National Park.
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Here we present the data collected during a mark-recapture study on freshwater mussels in Bruce Creek, Walton County, Florida. These data were used to evaluate the non-lethal impacts of a gill sampling protocol to assess gravidity of freshwater mussels. Data were collected every four weeks, or as weather permitted, to be able to monitor the reproductive status of each mussel every month of the year. The dataset includes unique tag numbers to identify specific female mussels captured and recaptured during this study. Genus and species were identified, and the gravidity status was evaluated for each individual mussel.
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Deep-sea corals can create a highly complex, three-dimensional structure that facilitates sediment accumulation and influences adjacent sediment environments through altered hydrodynamic regimes. Infaunal communities adjacent to different coral types, including reef-building scleractinian corals and individual colonies of octocorals, are known to differ from background non-coral soft-sediment communities, often exhibiting higher macrofaunal densities and distinct community structure. However, the coral types have different morphologies, which may modify the adjacent sediment communities in discrete ways. Here we address two main questions: 1) how infaunal communities adjacent to deep-sea corals and their associated...
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These are metadata related to the collection of samples on the FK190612 research expedition in the north Pacific Ocean along the Cascadia margin in June 2019. Samples were collected to examine characteristics of methane emissions from seafloor seeps at the edge of hydrate stability and the associated communities.
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Understanding how ecological and cultural resources may change in the future is an important component of conservation planning and for the implementation of long-term environmental monitoring. We modeled six future scenarios of urbanization and sea level rise to investigate their potential effects on the Peninsular Florida Landscape Conservation Cooperative's Priority Resources (PFLCC 2016), which were identified as important for conservation through a cooperative multi-partner effort to prioritize conservation efforts on a state-wide scale. These data represent conservation targets for the Freshwater Aquatics at present, and under six future scenarios of sea level rise and urbanization.
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An important physiological constraint influencing distributions of coastal freshwater organisms is their tolerance for saline conditions. We experimentally evaluated salinity tolerance for three freshwater mussel species (Utterbackia imbecillis, Elliptio jayensis, and Glebula rotundata). Mussels were transferred abruptly from well water to one of five treatments (0 [control], 6, 12, 18 or 24 parts per thousand [ppt]) with no acclimation. Utterbackia imbecillis survived on average about 2 days at treatments ≥ 6 ppt, while Elliptio jayensis survived slightly longer (about 4 days). Glebula rotundata was most tolerant to salinity, surviving as well at 6 and 12 ppt as it did in the control. Additionally, G. rotundata...
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Ecological models facilitate evaluation and assessment of alternative plans for restoring the Greater Everglades ecosystem. Modeling outputs were used in evaluations of alternative water control plans to be performed by the Combined Operational Plan (COP). The models used were: (1) Cape Sable Seaside Sparrow Marl Prairie Indicator in conjunction with (2) Cape Sable Seaside Sparrow Helper, (3) Florida apple snail (native) population model (EverSnail), (4) Wader Distribution Evaluation Modeling (WADEM), (5) Small-sized freshwater fish density, and (6) Alligator production probability (i.e., habitat suitability index (HSI)). These ecological models are used to examine potential impacts on the above listed flora and...
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Here we provide public access to six DNA sequence alignments and details on all specimens utilized in Smith and Johnson (2020).
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This U.S. Geological Survey Data Release includes maps of Phragmites australis coverage within the Delta National Wildlife Refuge (NWR), located on the eastern half of the Mississippi River Delta in south Louisiana, for 2011, 2013 and 2016. While the objective of this mapping effort was to map the presence of P. australis, the map also includes coverage of water and non-P.australis land areas (e.g., non-P. australis emergent marsh with scrub/shrub, developed, etc.) and water (e.g., open water, submerged aquatic vegetation, floating aquatic vegetation, and nonpersistent wetlands). This data release also includes maps that show spatial change in P. australis coverage between mapping efforts. This specific dataset...
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The size and sex of each of the Burmese pythons swabbed in this study for the SFD-causing (snake fungal disease) Ophidiomyces ophiodiicola pathogen is given along with the real time PCR swab result.
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In recent decades the encroachment of woody mangrove species into herbaceous marshes has been documented along the U.S. northern Gulf of Mexico coast. These species shifts have been attributed primarily to rising sea levels and warming winter temperatures, but the role of elevated atmospheric carbon dioxide (CO2) and water availability may become more prominent drivers of species interactions under future climate conditions. In this greenhouse study we examined the effects of CO2 concentration (ambient, elevated) and water regime (drought, saturated, flooded) on early growth of the mangrove species Avicennia germinans and Spartina alterniflora, a herbaceous grass.
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This release consists of soil surface elevation, also called vertical land motion of the wetland (VLMw), and vertical accretion data collected over time across an environmental gradient at Ten Thousand Islands National Wildlife Refuge near Naples, Florida, USA. VLMw was measured using rod surface elevation tables, while accretion was measured using feldspar marker horizons (i.e., RSET-MH technique). Stations were located in the following wetland types: brackish marsh, salt marsh, transition marsh, and mangrove forest. Vegetation cover in the vicinity of the RSET-MH stations was described. The study spanned six years, from 2011 to 2017.
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This dataset provides demographic information for the Svalbard population of pink-footed geese from 1991 to 2018. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
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These data represent the standard curve values as well as measurements of cytokine and reference gene transcripts from blood samples collected from Florida manatees and quantified using quantitative PCR.
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This is a fifty-four second video which includes short segments compiled from video collected using GoPro cameras mounted on two individual loggerhead turtles (Caretta caretta) within St. Joseph Bay, Florida as part of a preliminary data release for U.S. Geological Survey (USGS) outreach publications. Approximately 90 minutes of video footage was collected per individual prior to retrieval. This is a continuing effort to document the interactions, movement, and feeding ecology of loggerhead turtles for future scientific publications.
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This map was created to help assess impacts on nonindigenous aquatic species distributions due to flooding associated with Hurricane Maria. Storm surge and flood events can assist expansion and distribution of nonindigenous aquatic species through the connection of adjacent watersheds, backflow of water upstream of impoundments, increased downstream flow, and creation of freshwater bridges along coastal regions. This map will help natural resource managers determine potential new locations for individual species, or to develop a watch list of potential new species within a watershed. These data include a subset of data from the Nonindigenous Aquatic Species Database, that fall within the general area of the 2017...
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These data represent several benthic cores collected near chemosynthetic seep habitats during 2009 and 2012. Sediment cores were collected near several natural hydrocarbon seeps with ROV deployed push cores. The purpose of these samples is to examine benthic communities associated with natural hydrocarbon seepage in the deep sea as well as compare these communities to areas associated with the Deepwater Horizon oil blowout. Samples were collected in the northern Gulf of Mexico, mostly south of Louisiana, and at depths ranging from 500 to 2600 meters. Sample processing and species identification occurred from 2014 – 2016. Macrofauna (>300 um) were identified to the lowest taxonomic unit.


map background search result map search result map Early growth interactions between a mangrove and an herbaceous salt marsh species are not affected by elevated CO2 or drought, Louisiana saltmarsh, 2015 Macrobenthic infaunal communities associated with deep-sea hydrocarbon seeps in the Gulf of Mexico, 2009-2010 Nonindigenous aquatic species and potential spread after Hurricane Maria Quantitative PCR standard curve and transcript values for the Florida manatee (Trichechus manatus latirostris), derived from 2013-14 manatee health assessments in Crystal River and Titusville, Florida Phragmites australis maps and change, Delta National Wildlife Refuge, Louisiana (2011, 2013, 2016) Sediment macrofaunal composition, sediment grain size, and taxa functional traits of multiple deep-sea coral habitats in the Gulf of Mexico, 2009-2014 Establishing a standard ploidy assessment method using grass carp from Ohio, 2015-2016 Review of low-temperature tolerance data for 17 species of non-native fishes that have been observed in Everglades National Park. Salinity tolerance among three freshwater mussels (Bivalvia: Unionidae) from Gulf Coastal Plain drainages Soil surface elevation dynamics in a mangrove-to-marsh ecotone characterized by vegetation shifts Sediment macrofaunal composition and sediment geochemistry of deep-sea coral habitats after the Deepwater Horizon oil spill in the Gulf of Mexico, 2010-2016 Snakehead fishes in the United States of America Demographic Parameters for Svalbard Pink-Footed Geese, 1991-2018 Freshwater Aquatics: Urbanization and Sea Level Rise Scenarios Empirical data supporting a non-lethal method for characterizing the reproductive status and larval development of freshwater mussels (Bivalvia: Unionida) Sample collection metadata for the FK190612 expedition along the Cascadia margin in June 2019 Data from Burmese pythons swabbed for the presence of SFD-causing Ophidiomyces in southwest Florida Preliminary data from animal borne cameras on loggerhead sea turtles in St. Joseph Bay, Florida (2018-2019) Ecological modeling output for the Combined Operational Plan, Round 3 in the Greater Everglades, 2018-2019 Novel genetic resources to facilitate future molecular studies in freshwater mussels (Bivalvia: Unionidae) Soil surface elevation dynamics in a mangrove-to-marsh ecotone characterized by vegetation shifts Preliminary data from animal borne cameras on loggerhead sea turtles in St. Joseph Bay, Florida (2018-2019) Phragmites australis maps and change, Delta National Wildlife Refuge, Louisiana (2011, 2013, 2016) Early growth interactions between a mangrove and an herbaceous salt marsh species are not affected by elevated CO2 or drought, Louisiana saltmarsh, 2015 Quantitative PCR standard curve and transcript values for the Florida manatee (Trichechus manatus latirostris), derived from 2013-14 manatee health assessments in Crystal River and Titusville, Florida Ecological modeling output for the Combined Operational Plan, Round 3 in the Greater Everglades, 2018-2019 Sediment macrofaunal composition and sediment geochemistry of deep-sea coral habitats after the Deepwater Horizon oil spill in the Gulf of Mexico, 2010-2016 Review of low-temperature tolerance data for 17 species of non-native fishes that have been observed in Everglades National Park. Nonindigenous aquatic species and potential spread after Hurricane Maria Macrobenthic infaunal communities associated with deep-sea hydrocarbon seeps in the Gulf of Mexico, 2009-2010 Data from Burmese pythons swabbed for the presence of SFD-causing Ophidiomyces in southwest Florida Sediment macrofaunal composition, sediment grain size, and taxa functional traits of multiple deep-sea coral habitats in the Gulf of Mexico, 2009-2014 Salinity tolerance among three freshwater mussels (Bivalvia: Unionidae) from Gulf Coastal Plain drainages Sample collection metadata for the FK190612 expedition along the Cascadia margin in June 2019 Establishing a standard ploidy assessment method using grass carp from Ohio, 2015-2016 Freshwater Aquatics: Urbanization and Sea Level Rise Scenarios Novel genetic resources to facilitate future molecular studies in freshwater mussels (Bivalvia: Unionidae) Demographic Parameters for Svalbard Pink-Footed Geese, 1991-2018 Snakehead fishes in the United States of America