Search Help
Thumbnail Icon Science Keywords > BIOSPHERE > ECOSYSTEMS > FRESHWATER ECOSYSTEMS


Refine by Category
 
Refine by Full text

 

521 Titles Match Your Query
Showing 1 through 50 of 521 Next
1. LBA Regional Hydrographic Data, 1-Degree, Release 2.2 (Cogley) [lba_cogley_676_1]
This data set is a subset of Cogley's 1998 global hydrographic data set (GGHYDRO, Release 2.2). The subset was created for the study area of the Large Scale Biosphere-Atmosphere Experiment in Amazonia ...


2. LBA-ECO LC-07 Aquatic Marcophyte Biomass, Monte Alegre Lake, Para, Brazil: 2003-2004 [LC07_BIOMASS_LGRANDE_1127_1]
This data set reports measurements of aquatic macrophyte biomass, phenology, leaf characteristics, and length and diameter of stems of both submerged and unsubmerged macrophytes. Data were collected ...


3. SAFARI 2000 Hydrographic Data, 1-Deg, Release 2.2 (Cogley) [s2k_cogley_636_1]
This southern African subset of the Global Hydrographic data set (GGHYDRO) Release 2.2 is organized into 19 files containing terrain type, stream frequency counts, major drainage basins, main features ...


4. 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 ...


5. Cold adaptation and functionality of the Antarctic Coastal Benthic Zones [ASAC_1165]
Antarctic sediments and sea-ice are important regulators in global biogeochemical and atmospheric cycles. These ecosystems contain a diverse range of bacteria whose biogeochemical roles remains largely ...


6. Data on freshwater and hydrochemistry in the Antarctic Peninsula region. [CNDP-ESP_GEOANT-UAM_Freshwater]   PARENT METADATA
In English: Surface freshwater, snow and groundwater studies in the Antarctic Peninsula region and Ellsworth Mountains. Hydrochemical data. From projects of the research group on Geology of the University ...


7. China Dimensions Data Collection: China Maps Bibliographic Database [CIESIN_SEDAC_CD_MAPS_BIBDB_1.0]
China Dimensions Data Collection: China Maps Bibliographic Database is an historical collection of bibliographic information for more than 400 maps of China. The information resides in a searchable ...


8. Biodiversity and ecophysiology of Antarctic sea-ice bacteria [ASAC_1012]
The data set includes information relevant for the study and description of sea-ice bacteria contains the following dataset subgroups and is organised by REFERENCE number. 1) Isolation data: strain ...


9. Organic Lake, Vestfold Hills, bathymetry [organic_lake_bathy]
A dataset detailing bathymetry readings for Organic Lake in the Vestfold Hills. The measurements were made by John Rich in November of 2008. As per 2006 work on Ace, Pendant and Ekho, eastings and ...


10. An atlas of the lakes of the Larsemann Hills, Princess Elizabeth Land, Antarctica - ANARE Research Notes 74 [ANARE-74]
From the abstract of the ANARE Research Note: The Larsemann Hills are a series of granite and gneiss peninsulas extending into Prydz Bay, between the Amery Ice Shelf and the Sorsdal Glacier. They ...


11. Methanotrophs in Antarctica [ASAC_869]
Metadata record for data from ASAC Project 869 See the link below for public details on this project. Dataset included are for the characterisation of methanotrophs from saline lakes of the Vestfold ...


12. Collaborative Research: Importance of Heterotrophic and Phototrophic N2 Fixation in the McMurdo Dry Valleys on Local, Regional and Landscape Scales - award #1246292 [USAP-1246292_1]
The McMurdo Dry Valleys of Antarctica represents the largest perpetually ice-free region on the continent. With the combination of prevailing katabatic winds and extremely low precipitation rates, ...


13. Latitudinal Gradient Project - Australian contributions [LGP]
This record relates to the Australian component of the Latitudinal Gradient Project. The LGP is largely a New Zealand, US and Italian venture, but a small contribution has been made by Australian ...


14. CAREER: Protist Nutritional Strategies in Permanently Stratified Antarctic Lakes [USAP-1056396_1]
This project supported an integrated research and education program in the fields of polar biology and environmental microbiology, focusing on single-celled eukaryotes (protists) in high latitude ...


15. Museum Victoria Entomology data via OZCAM [OBIS_OZCAM_MV_Entomology_1.0]   PARENT METADATA
This data source pertains to Museum Victoria's Entomology Collection. Museum Victoria, Australia's largest public museums organisation, is the State Museum for Victoria (Australia), responsible ...


16. Museum Victoria Ornithology data via OZCAM [OBIS_OZCAM_MV_Ornithology_1.0]   PARENT METADATA
This data source pertains to Museum Victoria's Ornithology Collection. Museum Victoria, Australia's largest public museums organisation, is the State Museum for Victoria (Australia), responsible ...


17. 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 ...


18. 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.


19. Canada Land Inventory - Land Capability for Recreation [CANEMRCCRSLCR]
The inventory for recreational landuse capability has 7 Classes, from Class 1 with high capability to Class 7 with very low capability. The classification ...


20. Chemical and Biological Data; US Great Lakes; Nutrients, Carbon, Zooplankton, Phytoplankton, Bacteria, Major Ions, Light, Temperature, Sediments [OAR0159]
[ A more complete version of this directory entry is in process. 12/30/93] This directory entry was created from information gathered in a survey conducted as part of NOAA's Data System Modernization ...


21. Chemical and Physical Characteristics of the Great Lakes (1965-1978) [GLERL0002]
The yearly investigations for the years 1965 to 1974 were formulated and directed by Dr. Arthur P. Pinsak (retired). The 1975 cruises were planned and directed by Gerald L. Bell and Dr. Richard L. ...


22. Cleveland Area Streams Water Quality Data, 1991-1992, from Northeast Ohio Regional Sewer District [CSUOHIO_CESTP_EDP_19970030]
This dataset was generated as part of the Northeast Ohio Regional Sewer District's (NEORSD) water quality monitoring program, which has conducted routine sampling of area surface waters since 1986. ...


23. Investigation of Bird Mortality in the Playa Lakes of Southeastern New Mexico. [brdnwhc0001]


24. Lake Erie Water Quality Data, 1991-1992, from Northeast Ohio Regional Sewer District [CSUOHIO_CESTP_EDP_19970010]
This data set was generated as part of the Northeast Ohio Regional Sewer District's (NEORSD) water quality monitoring program, which has conducted routine sampling of area surface waters since ...


25. Lake Michigan Ecological Monitoring (1983-1993) [GLERL0009]
This data set contains numerous measurements of chemical, biological, and physical parameters for stations in southeastern Lake Michigan for the period 1983 to the present. Measured variables include ...


26. Mining Inspection Division Water Quality Database - Yukon, Canada [CANEMRCCRSWATERDATA]
This dataset includes water quantities used in placer mining operation and data on the effluent water quality of placer mining operations. Coverage is the Yukon Territory in Canada. The ...


27. North Temperate Lakes LTER: Ice Duration - Madison Area [NTL_PH05]
Data include dates of freeze-up and thaw and ice duration of three primary lakes in the Madison area (Lake Mendota, Lake Monona, and Lake Wingra). Data are obtained from the State Climatologist for ...


28. North Temperate Lakes LTER: Lake Levels [NTL_PH02]
Lake level is measured at the shore line using a bi-annually-calibrated staff gauge for the seven primary lakes in the Trout Lake area (Allequash, Big Muskellunge, Crystal, Sparkling, and Trout lakes ...


29. Penobscot River Synthesis [gomc_358]
This project, currently underway, is compiling a literature review and data inventory of past and current research in the Penobscot River and its watershed. Anticipating increased interest in the ...


30. 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 ...


31. Survey of Selected Microbial Pathogens in the Salton Sea [usgsbrdnwhc_d_microbpathogens]
This data documents the distribution of known and potential microbial pathogens in the Salton Sea ecosystem to provide baseline information for those tasked to evaluate proposed engineering projects ...


32. Upper Great Lakes Sediment Trap Data (1977-1993) [GLERL0004]
The main data are over 1000 sediment trap measurements of mass and chemical composition, predominantly in Lake Michigan, but with some coverage of Lakes Huron and Superior. Interpretative manuscripts ...


33. Water Quality Data for the Cuyahoga Valley National Recreation Area, 1957-1994, from EPA/STORET [CSUOHIO_CESTP_EDP_19970040]
This dataset was compiled as part of the National Park Service's (NPS) Baseline Water Quality Data Inventory and Analysis Project. The objective of this project was to retrieve, format, and analyze ...


34. White Sturgeon Habitat in the Lower Columbia River [brdnbsc0001]
Estimates of spawning habitat for white sturgeons Acipenser transmontanus in the tailraces of the four dams on the lower 470 km of the Columbia River were obtained by using the Physical Habitat ...


35. 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 ...


36. Agricultural, Geographic and Population data for Counties in the Contiguous United States [EOSWEBSTER_US_County_Data]   CHILD METADATA
Annual crop data from 1972 to 1998 are now available on EOS-WEBSTER. These data are county-based acreage, production, and yield estimates published by the National Agricultural Statistics ...


37. 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 ...


38. 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 ...


39. Catfish/Climate Data [USDA0118]
Records of catfish pond temperatures, 1 location, 2 sizes, 4 year daily records: 30 year simulated record based on relationship to other climate data. Collection Organization: CSREES - Miss. State ...


40. Collaborative Research: Biogeochemistry of Dissolved Organic Matter in Pony Lake, Ross Island [NSF-ANT03-38260]
Dissolved organic matter (DOM) is a significant chemical component in aquatic systems because it acts as an important carbon source for microorganisms, absorbs harmful radiation in sunlight, is able ...


41. Collaborative Research: Biogeochemistry of Dissolved Organic Matter in Pony Lake, Ross Island - NSF-ANT03-38342 [NSF-ANT03-38342]
Dissolved organic matter (DOM) is a significant chemical component in aquatic systems because it acts as an important carbon source for microorganisms, absorbs harmful radiation in sunlight, is able ...


42. Collaborative Research: Importance of heterotrophic and phototrophic N2 fixation in the McMurdo Dry Valleys on local, regional and landscape scales [Dry_Valleys_Mats_Biogeochem_USC_Component]
During our two field seasons, we surveyed the Taylor Valley and parts of the Victoria Valley (year 1: 12 sites with transects wet to dry; 11 individual sites, 177 samples per parameter) and the Garwood ...


43. Collaborative Research: The Biogeochemical Evolution of Dissolved Organic Matter in a Fluvial System on the Cotton Glacier, Antarctica [NSF-ANT08-38970]
Dissolved organic matter (DOM) comprises a significant pool of Earth's organic carbon that dwarfs the amount present in living aquatic organisms. The properties and reactivity of DOM are not well ...


44. Concentration of Biochemical Oxygen Demand (BOD) in Rivers, Lakes and Groundwater [geodata_1824]
BOD, Biological Oxygen Demand, gives an indication of the amount of organic matter present in water bodies. A certain amount of BOD is always present in water bodies, usually around 2 mg/l O2, while ...


45. Critical Habitat Sites in and Around the Tennessee River Gorge [UTC_criticalhabitat]
This study was conducted to identify critical habitat sites located in and around the Tennessee River Gorge. The purpose was to identify critical habitat sites by vegetation ...


46. DIGITIZED OUTLINE OF BRITISH RIVER CATCHMENTS [EIC15]
Over 600 river catchments digitized from OS 1:50K maps, for use in acidification studies.


47. Geography, Land Use and Population data for Counties in the Contiguous United States [EOSWEBSTER_US_County_Data_4-5]   PARENT METADATA
Two datasets provide geographic, land use and population data for US Counties within the contiguous US. Land area, water area, cropland area, farmland area, pastureland area and idle cropland area ...


48. Global Water Quality Data and Statistics (GEMStat) from UNEP Global Environmental Monitoring System (GEMS) Water Programme [UNEP_GEMSTAT]
The United Nations Environment Programme Global Environment Monitoring System (GEMS) Water Programme is a multi-faceted water science centre oriented towards building knowledge on inland quality issues ...


49. Habitability of Antarctic Lakes and Detectability of Microbial Life in Icy Environments by Autonomous Year-round Instrumentation [NSF-ANT13-40905]
This research will be the first to make year-round measurements of the microbial community, and several associated environmental variables, in the continuously liquid portions of Lake Bonney, Antarctica. ...


50. Rainfall, Runoff and River Flow Time Series Data From the Institute of Hydrology, United Kingdom [NERC_IH_TIMESERIES_HYDRO_DATA]
The Institute of Hydrology (IH) investigates the effects of land-use, climate, topography and geology on the volume and character of surface water resources. IH is one of the ...


Showing 1 through 50 of 521 Next
Click here for a static view of records.

-->