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Nonindigenous aquatic species and potential spread after Hurricane Maria 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... Categories: Data; Types: Citation; Tags: AIS, ANS, Aquatic Biology, GIS, Island, All tags... Puerto Rico, San Juan, USGS Science Data Catalog (SDC), amphibians, animals, biota, biota, crustaceans, environment, fish, flooding, frogs, hurricanes, hurricanes, inlandWaters, introduced species, invasives, invertebrates, mollusks, non-indigenous, non-native, nonindigenous, nonnative species, plants, reptiles, storm, turtles, vertebrates, Fewer tags Rainbow trout diet and invertebrate drift data from 2012-2015 for the Colorado River, Grand Canyon, Arizona These data were compiled to explore the foraging ecology of Rainbow Trout (Oncorhynchus mykiss) in the Colorado River, Grand Canyon, Arizona. These data represent samples characterizing the availability of drifting invertebrate prey (hereafter, drift) and use of these invertebrate prey by rainbow trout determined by gut samples (hereafter, diets). Drift and diet sampling occurred in five distinct reaches downstream of Glen Canyon Dam (river kilometer (rkm) from the dam): (I) rkm 16.3-21.7; (II) rkm 52.8-58.3; (III) rkm 86.6-91.9; (IV) rkm 122.0-123.6; and (V) rkm 127.1-129.6. Samples were taken on 12 trips in April, July, September and January from April 2012 through January 2015. The aquatic prey base consists... Categories: Data; Tags: Aquatic Biology, Arizona, Bayesian discrete choice model, Colorado River, Ecology, All tags... Geography, Glen Canyon Dam, Grand Canyon, Information Sciences, New Zealand mudsnail, USGS Science Data Catalog (SDC), amphipod crustacean, aquatic Diptera, aquatic biology, aquatic ecosystems, aquatic prey, aquatic worms, biota, black flies, crustaceans, diet, discrete choice models, drift, drifting invertebrate prey, ecological processes, ecology, field sampling, forage, foraging, gut samples, invertebrate drift, invertebrates, mathematical modeling, midges, predation, predator, prey, prey selection, rainbow trout, samples, sampling, worms, Fewer tags Nonindigenous aquatic species and potential spread after Hurricane Irma This map was created to help assess impacts on nonindigenous aquatic species distributions due to flooding associated with Hurricane Irma. 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... Categories: Data; Types: Citation; Tags: AIS, ANS, Aquatic Biology, Florida, GIS, All tags... Georgia, South Carolina, USGS Science Data Catalog (SDC), amphibians, animals, biota, biota, crustaceans, environment, fish, flooding, frogs, hurricanes, hurricanes, inlandWaters, introduced species, invasives, invertebrates, mollusks, non-indigenous, non-native, nonindigenous, nonnative species, plants, reptiles, storm, turtles, vertebrates, Fewer tags Mechanisms of aquatic species invasions across the South Atlantic Landscape Conservation Cooperative region The Nonindigenous Aquatic Species Database (NAS) 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. Categories: Data; Types: Citation; Tags: AIS, ANS, GIS, USGS Science Data Catalog (SDC), amphibians, All tags... animals, biota, crustaceans, environment, fishes, inlandWaters, introduced species, invasives, invertebrates, mollusks, multiple species, non-indigenous, non-native, nonindigenous, nonnative species, plants, reptiles, vertebrates, Fewer tags Sediment Biogeochemistry and Mercury Measurements from Wetlands of the San Francisco Bay, CA. Habitat biogeochemistry was assessed by measuring 31 variables in sediments, porewater, and surface waters related to mercury content, organic matter, sediment characteristics, and microbial rates of sulfate reduction, iron reduction, and methanogenesis. Fifty-six composite surface (0-2 cm) sediment cores and 32 surface water samples were collected in three wetlands in the spring and summer of 2005 and 2006. Categories: Data; Tags: Arachnids, Birds, Crustaceans, Insects, San Francisco Bay, All tags... bioaccumulation, biota, coastal ecosystems, ecotoxicology, food web, wetland ecosystems, Fewer tags Sediment Biogeochemistry and Subsequent Mercury Biomagnification in Wetland Food Webs of the San Francisco Bay, CA (ver. 2.0, December 2023) Methylmercury (MeHg) is a globally pervasive contaminant that biomagnifies in food webs and can reach toxic concentrations in consumers at higher trophic levels, including wildlife and humans. The production of MeHg, and its subsequent entry and biomagnification in food webs, is governed by a complex suite of biogeochemical, physical, and ecological processes, resulting in spatial variation in the distribution of MeHg. To better understand the link between MeHg production in sediments and MeHg bioaccumulation in biota, we evaluated the effects of habitat biogeochemistry, food web structure, and diet composition on bioaccumulation in the wetland-obligate California black rail (Laterallus jamaicensis coturniculus)... Tags: Arachnids, Birds, Crustaceans, Insects, San Francisco Bay, All tags... USGS Science Data Catalog (SDC), bioaccumulation, biota, coastal ecosystems, ecotoxicology, food web, wetland ecosystems, Fewer tags Mercury Concentrations and Stable Isotope Ratios for California Black Rails and their Invertebrate Prey from Wetlands of the San Francisco Bay, CA Methylmercury concentrations and stable isotope ratios were measured from back feathers of California black rails (Laterallus jamaicensis coturniculus) and six taxa of their invertebrate prey (Amphipoda, Arachnida, Coleoptera, Diptera, Gastropoda, and Hemiptera). Samples were collected from three wetlands in the spring and summer of 2005 and 2006. Categories: Data; Tags: Arachnids, Birds, Crustaceans, Insects, San Francisco Bay, All tags... bioaccumulation, biota, coastal ecosystems, ecotoxicology, food web, wetland ecosystems, Fewer tags Nonindigenous aquatic species and potential spread after Hurricane Harvey-revised map This refined map was created to help assess possible spread of nonindigenous aquatic species distributions due to flooding associated with Hurricane Harvey. Storm surge and flood events can assist expansion and dissemination 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 possible new species within a watershed. These data include a subset of data from the Nonindigenous Aquatic Species Database, that fall within the general... Categories: Data; Tags: AIS, ANS, GIS, Houston, Louisiana, All tags... Texas, USGS Science Data Catalog (SDC), amphibians, animals, biota, biota, crustaceans, environment, fish, flooding, frogs, hurricanes, hurricanes, inlandWaters, introduced species, invasives, invertebrates, mollusks, non-indigenous, non-native, nonindigenous, nonnative species, plants, reptiles, storm, turtles, vertebrates, Fewer tags Nonindigenous aquatic species and potential spread after Hurricane Nate This map was created to help assess impacts on nonindigenous aquatic species distributions due to flooding associated with Hurricane Nate. 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... Categories: Data; Types: Citation; Tags: AIS, ANS, Alabama, Aquatic Biology, Florida, All tags... GIS, Louisiana, Mississippi, USGS Science Data Catalog (SDC), amphibians, animals, biota, biota, crustaceans, environment, fish, flooding, frogs, hurricanes, hurricanes, inlandWaters, introduced species, invasives, invertebrates, mollusks, non-indigenous, non-native, nonindigenous, nonnative species, plants, reptiles, storm, turtles, vertebrates, Fewer tags