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OBIS-USA brings together marine biological occurrence data – recorded observations of identifiable marine species at a known time and place, collected primarily from U.S. Waters or with U.S. funding. Coordinated by the Science Analytics and Synthesis (SAS) Program of the United States Geological Survey (USGS), OBIS-USA, strives to meet national data integration and dissemination needs for marine data about organisms and ecosystems. OBIS-USA is part of an international data sharing network (Ocean Biogeographic Information System, OBIS) coordinated by the Intergovernmental Oceanographic Commission, of UNESCO (United Nations Educational, Science and Cultural Organization) International Oceanographic Data and Information...
Tags: Arctic Ocean, Atlantic Ocean, Bay of Fundy, Beaufort Sea, Bering Sea, All tags...
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To determine if invasive annual grasses increased around energy developments after the construction phase, we calculated an invasives index using Landsat TM and ETM+ imagery for a 34-year time period (1985-2018) and assessed trends for 1,755 wind turbines (from the U.S. Wind Turbine Database) installed between 1988 and 2013 in the southern California desert. The index uses the maximum normalized difference vegetation index (NDVI) for early season greenness (January-June), and mean NDVI (July-October) for the later dry season. We estimated the relative cover of invasive annuals each year at turbine locations and control sites and tested for changes before and after each turbine was installed. These data were used...
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These data were compiled for a manuscript in which 1) we develop a water temperature model for the major river segments and tributaries of the Colorado River basin, including the Colorado, Green, Yampa, White, and San Juan rivers; 2) we link modeled water temperature to fish population data to predict the probability native and nonnative species will be common in the future in a warming climate; and 3) assess the degree to which dams create thermal discontinuity in summer in river segments across the western US. Per goal #1, we developed a water temperature model using data spanning 1985-2015 that predicts water temperature every 1 mile (1.6-km) in rivers both now and in the future due to the potential influence...
Tags: Aquatic Biology, Arizona, Arkansas River basin, Black Rocks, Colorado, All tags...
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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 this report, we evaluate this hypothesis for croaking gourami Trichopsis vittata, a non-native species that has established a reproducing population, but has not successfully spread beyond its very small (5 km2) range. We suspected the inability of T. vittata to colonize new habitats may be due to biotic resistance by the native eastern mosquitofish Gambusia holbrooki.
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These data were analyzed for the publication 'Accounting for sampling patterns reverses the relative importance of trade and climate for the global sharing of exotic plants': Aim: Exotic species’ distributions reflect patterns of human-mediated dispersal, species’ climatic tolerances, and a suite of other biotic and abiotic factors. The relative importance of each of these factors will shape how the spread of exotic species is affected by ongoing economic globalization and climate change. However, patterns of trade may be correlated with variation in scientific sampling effort globally, potentially confounding studies that do not account for sampling patterns. Location: Global. Methods: We used data from the Global...
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******These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data. Invasive species are a subset of non-native (or nonindigenous) species, and knowing what species are non-native to a region is a first step to managing invasive species. This is the second update to the dataset "First comprehensive list of non-native species established in three major regions of the United States" supporting...
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The Black Acara, Cichlasoma bimaculatum (Linnaeus 1758), first reported as introduced to Florida in 1965, is distributed throughout Florida’s southern peninsula. Examination of live and preserved museum specimens of acara reveal a second species, the Chanchita, Cichlasoma dimerus (Heckel 1840) present in Florida since at least July 2000. A review of the relevant literature coupled with an examination of acara collected in Florida show the Black Acara and the Chanchita are most easily distinguished by number of anal fin spines, body and fin color, caudal fin pattern, and degree of pigment on the rim of the scales of the head and nape. The presence of Cichlasoma dimerus in central Florida springs habitat and the substantial...
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This dataset provides location and standard measurements of captured Cuban Treefrogs from the Audubon Park and Zoo area of New Orleans, Louisiana.
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This dataset describes features of 2941 duck nests that were found in the Prairie Pothole Region of North and South Dakota during 2002-2003. Nest features include estimated initiation date, incubation stage and status as active. The dataset accompanies a scientific journal article describing an evaluation of the density and success of duck nests in conservation fields in 36 study areas that were seeded with native or tame grasses. Field features in this dataset include seeding treatment, planted area, and area of grassland patch.
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Background: The Nonindigenous Aquatic Species (NAS) Database functions as a repository and clearinghouse for the occurrence of nonindigenous aquatic species information from across the United States. The Database contains locality information on more than 1,300 species introduced as early as 1800, including freshwater vertebrates and invertebrates, aquatic plants, and marine fishes. Taxa include both foreign species and North American native species that have been translocated outside of their natural range. Locality data are derived from many sources, including scientific literature; Federal, State, and local natural resource monitoring programs; museum collections; news agencies; and direct submission through...
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The proliferation of non-native fishes in Florida is a serious problem, and new species continue to be introduced to the State. Herein we report the eradication of two species of non-native fishes in Miami, Florida (Giant Cichlid Petenia splendida and Blue Mbuna Labeotropheus fuelleborni; both Family: Cichlidae). We removed these fishes before they were observed in the extensive, interconnected canal system through which they may have been able to expand throughout south Florida and access protected areas such as Everglades National Park and Water Conservation Areas.
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It has been ten years since the last comprehensive assessment of non-native marine fishes in Florida. Herein, we report sightings of 41 species from Florida coastal waters since the earliest sighting in 1984.
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This dataset contains information on the Bullseye Snakehead fish found only in southeastern Florida. 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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The Trojan Y Chromosome (TYC) strategy is a promising eradication method for biological control of non-native species. The strategy works by manipulating the sex ratio of a population through the introduction of supermales that guarantee male offspring.
Asian swamp eel, Monopterus albus/javanensis [Zuiew, 1973/Lacepede, 1800], has been established in the southeastern USA since at least 1994, yet little is known about its ability to survive low winter temperatures. We use standard thermal methodologies to quantify low-temperature responses and provide a detailed description of swamp eel reactions to cold temperatures. When exposed to chronic temperature decreases of 1.0 C per day, swamp eels ceased foraging at 15.0 C, markedly diminished movements below 11.0 C, and became incapacitated near 9.6 C. During critical thermal minima (CTmin) trials, swamp eels exposed to acute temperature drops (0.25 C per minute) tolerated temperatures as low as 6.2 C. Swamp eels exhibited...
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Maintaining up-to-date information on non-native organisms’ distributions and species composition can be difficult, especially when species cross jurisdictional boundaries that require interagency coordination. Herein I report on the use of tools that have been used in Florida over the past seven years to assist with tracking of non-native fishes. Ten Fish Slams, where professional biologists and graduate students come together to sample an area for non-native fish, have been held since 2012, which have included nearly 100 individuals from 20 organizations. Participants have sampled nearly 200 unique sites, capturing 36 non-native fish taxa. These activities have generated over 600 records for the U.S. Geological...
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This dataset is a compilation of Flathead Catfish occurrence data from museums, literature, and state agencies. Sources include museums that are members of the Global Biodiversity Information Facility, VertNet, FishNet2, state fish books, state reports, state stocking data for states surrounding the Great Lakes, and historical literature.


map background search result map search result map Proportion of Exotic Grass and Forbs Land Cover (3-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Exotic Grass and Forbs Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Observations of bullseye snakehead (Channa marulius) in Florida Flathead catfish occurrence data for the Great Lakes Basin 1890-2017 Body measurements of the exotic invasive Cuban treefrog (Osteopilus septentrionalis) in Louisiana Waterfowl Nests in Native- and Tame-Seeded Conservation Fields, North and South Dakota, 2002-2003 Removing threats before they spread: Eradication of two non-native fishes in Miami, Florida (USA) Invasion frustration? Can biotic resistance explain the small geographic range of non-native croaking gourami Trichopsis vittata (Cuvier, 1831) in Florida, USA? A comprehensive list of non-native species established in three major regions of the United States: Version 3.0 (provisional release) Snakehead fishes in the United States of America Non-native marine fishes in Florida: updated checklist, population status and early detection/rapid response data Trojan Y chromosome strategy for eradication of non-native species data Bioblitzes facilitate non-native fish tracking and interagency partnerships data Identification of Acara (Cichlidae: Cichlasoma) established in Florida, USA Data supporting Landsat time series assessment of invasive annual grasses following energy development Native ranges of freshwater fishes of North America Non-native Asian swamp eel, Monopterus albus/javanensis (Zuiew, 1973/Lacepede, 1800), responses to low temperatures Water temperature models, data and code for the Colorado, Green, San Juan, Yampa, and White rivers in the Colorado River basin Removing threats before they spread: Eradication of two non-native fishes in Miami, Florida (USA) Body measurements of the exotic invasive Cuban treefrog (Osteopilus septentrionalis) in Louisiana Trojan Y chromosome strategy for eradication of non-native species data Invasion frustration? Can biotic resistance explain the small geographic range of non-native croaking gourami Trichopsis vittata (Cuvier, 1831) in Florida, USA? Waterfowl Nests in Native- and Tame-Seeded Conservation Fields, North and South Dakota, 2002-2003 Data supporting Landsat time series assessment of invasive annual grasses following energy development Bioblitzes facilitate non-native fish tracking and interagency partnerships data Identification of Acara (Cichlidae: Cichlasoma) established in Florida, USA Non-native Asian swamp eel, Monopterus albus/javanensis (Zuiew, 1973/Lacepede, 1800), responses to low temperatures Non-native marine fishes in Florida: updated checklist, population status and early detection/rapid response data Flathead catfish occurrence data for the Great Lakes Basin 1890-2017 Water temperature models, data and code for the Colorado, Green, San Juan, Yampa, and White rivers in the Colorado River basin Proportion of Exotic Grass and Forbs Land Cover (3-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Exotic Grass and Forbs Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Snakehead fishes in the United States of America Native ranges of freshwater fishes of North America A comprehensive list of non-native species established in three major regions of the United States: Version 3.0 (provisional release)