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267 Titles Match Your Query
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1. Assay of Wild Salmonids for presence of Myxobolus cerebralis [MSU_AWS]
Results of assay for M. cerebralis myxospores by digest wild juvenile salmonids recovered in the Clackamas River (OR) basin.


2. Controlled exposure of fry to Myxobolus cerebralis through Triactinomyxons (TAMs) [MSU_5]
Rainbow trout and Chinook salmon fry were subjected to a controlled exposure of 200 and 2,000 triactinomyxons (TAMs) for two hours. After exposure, a subsample of Chinook salmon and rainbow trout ...


3. Distribution of Tubifex tubifex lineages and Myxobolus cerebralis infection in the San Juan River, New Mexico [MSU_20]
A 2 km reach of the Navajo Dam tailwater of the San Juan River, NM was sampled in August and December 2001 and June 2002 to characterize environmental factors influencing the distribution and density ...


4. Effects of Temperature, Photoperiod and Myxobolus cerebralis Infection on Growth, Reproduction and Survival of Tubifex tubifex Lineages [MSU_19]
Monocultures of lineages III and VI from 2001 San Juan River collections were subjected to infection (0 and 500 myxospores/worm), a range of temperature (5oC, 17oC, and 27oC), and diurnal photoperiod ...


5. Mean water temperature at sentinel cages in Rock Creek [MSU_MWTS]
Summary of mean daily water temperatures (Fahrenheit) during the 10-day period when sentinel rainbow trout were in cages in the Rock Creek (MT) drainage. Data from each year are summarized on a single ...


6. Natural exposure of fry to Myxobolus cerebralis TAMs [MSU_7]
Rainbow trout and Chinook salmon fry were placed in sentinel cages in the Lostine River (Oregon) and were naturally exposed to triactinomyxons (TAMs). After exposure, a subsample of Chinook salmon ...


7. Oligochaetes Collected in the Madison River (Montana) Drainage [MSU_18]
Aquatic invertebrates were collected from the sediment of side channels of the Madison River (Montana) during three separate collection periods in 1999 and 2000. All specimens in each sample were ...


8. Prevalence of Myxobolus cerebralis infection in Tubifex tubifex [MSU_PITT]
Prevalence of Myxobolus cerebralis infections in Tubifex tubifex was measured by determining which collected worms were actively shedding triactinomyxons (TAMs). A subset of worms that were not shedding ...


9. Relative Susceptibility and Effects on Performance of Rio Grande Cutthroat Trout and Rainbow Trout Challenged with Myxobolus cerebralis [MSU_21]
We evaluated the susceptibility of Rio Grande cutthroat trout (RGCT; Oncorhynchus clarki virginalis) to infection by Myxobolus cerebralis in a laboratory experiment. In the same experiment, rainbow ...


10. Relative abundance of Tubifex tubifex at Lostine River - Oregon sites [MSU_4]
Seven sampling trips to collect oligochaetes were made in 1998 and six in 1999 at sentinel cage sites in the Lostine River (Oregon). Relative abundance of Tubifex tubifex was determined for each site ...


11. Severity of Infection in Madison River (Montana) Sentinel Rainbow Trout [MSU_9]
Sentinel rainbow trout were placed in side channels of the Madison River (Montana) to determine the site-specific contribution of whirling disease risk. After exposure, fish were examined histologically ...


12. Temperature monitoring for seasonal periodicity in the Rock Creek Drainage of West Central Montana. [MSU_TMSP]
Tubifex tubifex naturally infected with Myxobolus cerebralis were monitored for seasonal periodicity in triactinomyxons (TAM) release. Each time water samples were collected, the temperature range ...


13. Columbia River Basin Columbia River Basin Passive Integrated Transponder (PIT) Tags by Observation Site [psmfcpittag_d_pitobs]
The Columbia River Basin Passive Integrated Transponder (PIT) Tags by Observation Site data set provides daily counts of salmon containing passive transponders detected at the observation ...


14. Columbia River Basin Passive Integrated Transponder (PIT) Endangered Species Observations Wild Snake River Juvenile Spring/Summer Chinook [psmfcpittag_d_esa]
The Columbia River Basin Endangered Species (NMFS ESU) Wild Snake River Juvenile Spring/Summer Chinook data set provides daily counts of selected Passive Integrated Transponder (PIT) tagged ...


15. Columbia River Basin Passive Integrated Transponder (PIT) Tag Adult Returns by Observation Site [psmfcpittag_d_adultreturns]
The Columbia River Basin Passive Integrated Transponder (PIT) Adult Returns by Observation Site data set provides daily counts of returns of adult salmon containing passive transponders ...


16. Columbia River Basin Passive Integrated Transponder (PIT) Tag Release Sites [psmfcpittag_d_releasesite]
The Columbia River Basin Passive Integrated Transponder (PIT) Tag Release Sites data set provides PIT Tag Release sites including the hydrological unit, total kilometers, and ...


17. Columbia River Basin Passive Integrated Transponder (PIT) Tag Releases [psmfcpittag_d_releases]
The Columbia River Basin Passive Integrated Transponder (PIT) Tag Releases data set provides daily PIT Tag releases by migration year of salmon containing passive ...


18. Columbia River Basin Passive Integrated Transponder (PIT) Tags by Hydro Unit [psmfcpittag_d_hydro]
The Columbia River Basin Passive Integrated Transponder (PIT) Tags by Hydro Unit data set provides daily counts of salmon containing passive transponders detected at Columbia Basin dams ...


19. Columbia River Basin Passive Integrated Transponder (PIT) Tags by Release Sites [psmfcpittag_d_pittagrelease]
The Columbia River Basin Passive Integrated Transponder (PIT) Tags by Release Site data set provides daily counts of salmon containing passive transponders detected at release sites. The ...


20. National Wetlands Inventory, Willapa Basin, 1977 [Inforain_Willapa_NWI]
This is an inventory of wetland ecological systems in the Willapa Basin. This data set is part of the Inforain project which allows users to better understand their watershed. This data goes along ...


21. USGS Digital Orthophoto Quadrangles [USGS_DOQ]
A Digital Orthophoto Quadrangle (DOQ) is a computer-generated image of an aerial photograph in which the image displacement caused by terrain relief and camera tilt has been removed. The DOQ combines ...


22. 1 Km Resolution Land Cover Map of Canada [CANEMRCCRSMANCANMAP]
Thirteen land cover classes are covered using 1 km resolution data. The land cover classes include; mixedwood forest, deciduous forest, water bodies and rivers, transitional forest, coniferous ...


23. 2012 National Anthropogenic Barrier Dataset (NABD) [NFHP_NAPD-2012]
ABSTRACT: The main objective of this project was to develop a dataset of large, anthropogenic barriers that are spatially linked to the National Hydrography Dataset Plus Version 1 (NHDPlusV1) for ...


24. 30 M Resolution Land Cover Map of Manitoba, Canada [CANEMRCCRSMANPROVMAP]
Sixteen land cover classes are covered using 30 M resolution data with a 95% accuracy rate. 75% of southern Manitoba has been completely mapped to date. The land cover classes include; agricultural ...


25. A Survey of the Freshwater Macroinvertebrates in Streams and Lakes of Macquarie Island [ASAC_555]
In all, 15 sites on 12 streams were kick-sampled for invertebrates. Eleven fully aquatic taxa were found: a species of Iais (Isopoda: Janiridae); six species of oligochaetes (three enchytraeids, one ...


26. ACID WATER SUSCEPTIBILITY WALES [EIC12]
Estimate of the vulnerability of surface waters in Wales to acidification from the effects of atmospheric pollution. Estimates made on the basis of the sensitivity of receptor soils geology, watercourses ...


27. Accumulation of Dioxins and Furans in Sediment and Biota [BESTsed24]
Monitoring of sediment and crayfish (Pacifastacus leniusculus) was conducted in order to satisfy monitoring requirements set forth in the City of St. Helens National Discharge Elimination System (NPDES) ...


28. Accumulation of Dioxins and Furans in Sediment and Biota in the Lower Columbia Wauna River Area [BESTsed25]
Monitoring of sediment and crayfish (Pacifastacus leniusculus) was conducted in order to satisfy monitoring requirements set forth in the James River Wauna Mill's National Discharge Elimination System ...


29. Africa Surface Hydrography, 1984 [NBId0218_101]
The First-Third Order Stream Network member of the African Surface Hydrography data set is part of the UNEP/FAO/ESRI Database project that covers the entire world but focuses here on Africa. The maps ...


30. Alaska High Altitude Aerial Photography (AHAP) Program [EARTH_LAND_USGS_AK_HI_ALT_PHOT]
[From GeoData Center Home Page descriptions, "http://www.gi.alaska.edu/alaska-satellite-facility/geodata-center"] The GeoData Center is the browse facility for the state copy of ...


31. Aluminum Company of America Class II Inspection [BESTsed31]
The objectives of the Aluminum Company of America (Alcoa) Class II Inspection was to verify effluent compliance with NPDES permit (NPDES Permit No. WA-000029-9), determine effluent toxicity using ...


32. American Fisheries Society Crayfish of the United States and Canada [USGS_SESC_CrayfishStatus]   PARENT METADATA
About: This website presents the 2007 American Fisheries Society Endangered Species Committee list of freshwater crayfishes of United States and Canada. The committee evaluated the conservation status ...


33. American Fisheries Society Imperiled Freshwater and Diadromous Fishes of North America [USGS_SESC_ImperiledFish]   PARENT METADATA
About: This website presents the 2008 American Fisheries Society Endangered Species Committee list of imperiled North American freshwater and diadromous fishes. The committee considered continental ...


34. American Fisheries Society List of Freshwater Snails from Canada and the United States [USGS_SESC_SnailStatus]   PARENT METADATA
About: This website presents the 2013 American Fisheries Society Endangered Species Committee list of freshwater snails (Gastropods) of United States and Canada. The committee evaluated the conservation ...


35. American Shad Riverine Habitat Requirements [BRD_LSC_AMERSHAD001]
Field evaluations of existing habitat suitability index (HSI) models for spawning adults, eggs, and larvae of American shad (Alosa sapidissima) were conducted in 1990-1992; initial models for juveniles ...


36. An Assessment of Metals Contamination in Lake Roosevelt. [BESTsed15]
In response to reports of elevated metals concentrations in fish and other environmental samples from Lake Roosevelt, Ecology conducted a series of field surveys between May and September 1986 to ...


37. An Assessment of Sediments from the Upper Mississippi River [usgs_brd_cerc_d_upper_Miss]
The U.S. Geological Survey has been monitoring the Upper Mississippi River (UMR) since 1987 to document the fate and transport of contaminants associated with sediments. The UMR is that part of the ...


38. Analysis Products on Water Quality [NRCS_NRI_SotL_WATER_QUALITY]
All of the maps, figures and tables for NRI's water quality are taken from publications. Many of the publications discuss the use of fertilizer, pesticide, or manure. Several of the maps are taken ...


39. Analysis of mixed water and substrate samples from glacial meltwater streams and stream beds in the Dry Valleys for ecology and physiology of protozoan found there [K061_1984_1985_NZ_1]
Aspects of the ecology and physiology of protozoa found in glacial melt waters of the Wright and Taylor Valleys were studied. Combined water/substrate samples and freeze dried moss and algae were ...


40. Annual Peak Discharge and Stage of US Surface Water; USGS [EARTH_LAND_USGS_Water_PKFIL]
Originally available as hard copy publication, the Annual Peak Discharge and Stage of US Surface Water data will be made available to the public via the World Wide Web. The URL of the ...


41. Antarctic nonmarine aquatic ecosystems as global change sensors [CNDA-ES_LIMNOPOLAR_META_BAS017]
In English: This project is aimed to achieve a higher knowledge of the limnetic systems in Polar latitudes. Particularly, it promotes the accurate description the Byers Peninsula (Livingston Island), ...


42. Apalachicola-Chatahoochee-Flint River Basin Surface Water Data [usgs_nawqa_acf_surfacewater]
Surface- and ground-water quality data were collected in the Apalachicola-Chattahoochee-Flint (ACF) River basin from August 1992 to September 1995 as part of the USGS National Water Quality Assessment ...


43. Aquatic Plant Monitoring in Washington State [wa_de_aquaticplant]
Freshwater aquatic plant monitoring is conducted within the Department of Ecology.s Environmental Monitoring and Trends Section. The program's purpose is to track aquatic plant community changes in ...


44. Arsenic in Ground Water of the Willamette Basin, Oregon [WRIR_98_4205]
The spatial distribution of arsenic concentrations in ground water of the Willamette Basin was assessed by analyzing data from 728 historical and project sites. Concentrations of arsenic ranged from ...


45. Assessment of Spatial and Temporal Distribution of Genetic Diversity in Atlantic Salmon (Salmo salar) [LSC_AtlanticSalmon]
The eastern coastal rivers of North America have historically supported anadromous populations of Atlantic salmon (Salmo salar). Numbers of these animals have declined due to overfishing and loss ...


46. Atlantic Salmon Watersheds [gomc_359]
Welcome to PEARL's focus on the Atlantic Salmon Watersheds. These pages are being designed to provide direct access to key data sets and information summaries for the salmon watersheds. Completion ...


47. Atlas of Coastal Habitats and Fishery Resources - Northern Quebec [Canada_DFO_CHFishResNQue]
This collection covers Hudson Bay, James Bay and Ungava Bay. These areas form the basis of three separate products. The three bays lie along the Quebec border north of the 50th parallel, ...


48. Atlas of Coastal Habitats and Fishery Resources - St.Lawrence River [Canada_DFO_CHFishResStLawR]
This collection comprises eight products, seven of which correspond to the same number of areas of the River and the Gulf of St Lawrence: Chaleur Bay, the Lower North Shore, the lower estuary, the ...


49. Atlas of Community-Based Monitoring in a Changing Arctic (Arctic CBM) [ELOKA033]
This atlas showcases Arctic communities actively involved in observing social and environmental change. It was designed to highlight the many community-based monitoring (CBM) and traditional knowledge ...


50. BC Data Discovery Service [Canada_LIBC_DiscoveryService]
The Land Information BC Discovery Service is a comprehensive metadata repository supporting not only Land Information BC but also metadata holdings contributed by other natural ...


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