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1. Photosynthetic response of sea ice algae to low iron [AAS_4319_LI_FRRF_1]
Fast repetition rate fluorometer (FRRF) study of sea ice algae in low iron conditions. Algae were grown in an ice tank and the measurements were made at the end with a Chelsea Insrtuments FRRF. ...


2. 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 ...


3. Adult Summer Steelhead Strays Found in the Willamette River Basin in Oregon [MSU_16]
Recovery information and identifying marks for stray anadromous salmon collected in the Willamette River, Oregon.


4. Airborne-SAR Remote Sensing in Canada [CANEMRCCRSAIR_SAR]
The synthetic aperture radar (SAR) is in service on board a Convair 580 aircraft. Operating at C and X bands, the C/X-SAR is a sensor developed for use by the research and development community. ...


5. Airborne/MEIS Images [CANNRCANCCRSAFIMEIS]
MEIS is a high-resolution multispectral electro-optical imaging sensor that was originally developed by the Canada Centre for Remote Sensing (CCRS). It is complimented by a DS 1260 MSS sensor (digital ...


6. 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.


7. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Labyrinth area of Wright Valley [K081_2003_2005_NZ_1]
Water and microbial mat communities of the ponds in the Labyrinth area of Wright Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and ...


8. Blackberry Eradication Study - Roan Mountain Massif Data Management Project [NBII_SAIN9]
This legacy dataset represents data that was collected from a set of vegetation plots treated with herbicides and exposed to mowing on the Tennessee side of Round Bald located in the Roan Mountain ...


9. Canada Land Inventory - Land Capability for Agriculture [CANEMRCCRSLCA]
The agriculture map illustrates the varying potential of a specific area for agricultural production. Classes of land capability for agriculture are based on mineral soils grouped according to their ...


10. Canada Land Inventory - Land Capability for Forestry [CANEMRCCRSLCF]
The mapping of land capability for forestry is based on a national classification system comparable with the other Canada Land Inventory sectors. Land ...


11. 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 ...


12. Canada Land Inventory - Land Capability for Ungulates [Canada_NA_LandCapUngulates]
The mapping of land capability for ungulates follows a national system developed with the aid of the Canadian Wildlife Service and the game branches of the provinces. ...


13. Canada Land Inventory - Land Capability for Waterfowl [Canada_NA_LandCapWaterfowl]
The mapping of land capability for waterfowl wildlife is based on a national classification system comparable with the other Canada Land Inventory sectors. Capability ...


14. Canadian Intersite Decomposition Experiment [Canada_CFS_CdnIntersiDecompExp]
Several projects are underway to quantitatively model the current and potential changes in the carbon budgets of Canadian forests due to climate change. Information is limited for many of the processes ...


15. 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 ...


16. 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. ...


17. Coastal Forest Chronosequences, British Columbia, Canada [Canada_CFS_CoastForestChrono]
In coastal British Columbia, mild climates and infrequent disturbance favour the development of long-lived forests with trees of great stature. These forests are admired the world over for the magnificent ...


18. Demonstration of Methods and Techniques for Natural Resources Management by the Miltary [usgsbrdfresc0013]
Radio telemetry will be used extensively to supplement direct observation to demonstrate how information can be gathered about wide ranging wildlife in remote areas and areas where safety, security, ...


19. ERS-1 and ERS-2 SAR Data over Canada [CANEMRCCRSERS1]
The European Space Agency ERS-1 satellite was launched on July 17, 1991 with a projected lifespan of two to three years. CCRS began reception of its successor, ERS-2, on July 9, 1995 and is still ...


20. Experimental Exposure of Chinook Salmon to Myxobolus cerebralis Triactinomyxons (TAMs) [MSU_EECS]
To investigate the influence of exposure age on susceptibility to M. cerebralis in Chinook salmon, we assessed infection and disease following experimental exposures at different ages and to different ...


21. Fall 2003 plant monitoring survey -- biomass calculated from shoot height and flowering status of plants in permanent plots at GCE sampling sites 1-10 [PLT-GCEM-0311b]
The biomass of plants surveyed in permanent plots at 10 GCE LTER sampling sites in October 2003 was estimated based on allometric relationships between biomass and shoot height and flowering status ...


22. Fire History Database of the Western United States [HJA-DF005]
To create a database of existing published and unpublished tree-ring reconstructions of fire regimes in forested areas, before circa 1900, west of 100 W longitude in the continental United States, ...


23. Floristics of the National Parks [usgsbrdnwhc_d_floristics]
Most units of the National Park Service have incomplete floristic inventories. Large, popular parks are in general the most complete, but less is known the smaller the park. Floristic inventories ...


24. Inventory and Monitoring Project, Vegetation Protocol, Denali National Park and Preserve [usgsbrdasc0011]
The location of the zone of transition between boreal forest and tundra, often referred to as treeline, has shifted in the past in response to climate change. Global warming is predicted ...


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


26. LAKE BONNEY METEOROLOGICAL STATION MEASUREMENTS [LTER_MCM_LB_MET]   CHILD DIFs   PARENT DIF
As part of the Long Term Ecological Research in the McMurdo Dry Valleys of Antarctica, meteorological data was collected from various locations throughout Taylor, Wright and Victoria ...


27. LAKE BONNEY METEOROLOGICAL STATION MEASUREMENTS: Radiation [LTER_MCM_LB_MET_RAD]   PARENT DIF
As part of the Long Term Ecological Research in the McMurdo Dry Valleys of Antarctica, meteorological data was collected from various locations throughout Taylor, Wright and Victoria ...


28. LAKE BONNEY SNOWFENCE METEOROLOGICAL STATION MEASUREMENTS [LTER_MCM_BONNEY_SNOWFENCE_MET]   PARENT DIF
[From "http://huey.colorado.edu/LTER/datasets/meteorology/bonney_snow.html"] As part of the Long Term Ecological Research in the McMurdo Dry Valleys of Antarctica, meteorological ...


29. LAKE BROWNSWORTH METEOROLOGICAL STATION MEASUREMENTS: Radiation [LTER_MCM_LBW_MET_RAD]   PARENT DIF
As part of the Long Term Ecological Research in the McMurdo Dry Valleys of Antarctica, meteorological data was collected from various locations throughout Taylor, Wright and Victoria Valleys. ...


30. LAKE FRYXELL METEOROLOGICAL STATION MEASUREMENTS: Radiation [LTER_MCM_FRY_MET_RAD]   PARENT DIF
As part of the Long Term Ecological Research in the McMurdo Dry Valleys of Antarctica, meteorological data was collected from various locations throughout Taylor, Wright and Victoria Valleys. These ...


31. 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 ...


32. 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 ...


33. NOAA AVHRR Data over Canada [CANNRCANCCRSCANAVHRR]
The Advanced Very High Resolution Radiometer (AVHRR) flown aboard the Tiros-N series NOAA satellites measures radiation in the visible and infrared spectrum region. The AVHRR is a cross-track scanning ...


34. 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 ...


35. North Temperate Lakes LTER: Secchi Disk Depth [NTL_PH03]
Secchi disk depth is measured in the deepest part of each lake for the eleven primary lakes (Allequash, Big Muskellunge, Crystal, Sparkling, Trout lakes, unnamed lakes 27-02 and 12-15, Fish, Mendota, ...


36. Ontario Land Cover - National-Scale (1:250,000) Version [Canada_GeoGrat_OntLandCov1-250k]
The Ontario Land Cover data base was produced by the Ontario Ministry of Natural Resources from satellite remote sensing image data. The land cover mapping classification was derived from ...


37. Ontario Timber Inventory (OTI) Level-I Digital Data [Canada_GeoGratis_OTILev1DigiDat]
Data currently available in the Ontario Timber Inventory include Canada Land Inventory, Great Lakes Mosaic, Earth Observation Imagery, National Atlas Base Map Data, National ...


38. Palmer Station Long-Term Ecological Research (LTER) Field Season Data October 1998-March 1999 [LTER_PAL_9899PAL]
Eighth Palmer LTER field season at Palmer Station. Ocean water column observations were carried out twice a week from zodiacs over the Palmer near-shore grid. Bird observations were carried out ...


39. Prevalence and effects of lead poisoning resulting from ingestion of lead fishing sinkers and other fishing tackle on selected avian species. [usgsbrdnwhc_d_lead]
Lead poisoning of birds, particularly common loons (Gavia immer) and trumpeter swans (Cygnus buccinator), in the United States due to the ingestion of lead fishing sinkers has been documented in several ...


40. Prevalence of Infection in Rainbow Trout Under Different Flow Rates [MSU_13]
Myxospores were introduced to artificial stream channels with different flow regimes (slow and fast). Rainbow trout sac-fry were added to each channel for one-week exposures; afterwards, a quantitative ...


41. Prevalence of Infection in Tubifex tubifex Under Different Flow Rates [MSU_14]
Myxospores were introduced to artificial stream channels with different flow regimes (slow and fast) and containing Tubifex tubifex. Worms were removed 201 days post-exposure and a Quantitative Polymerase ...


42. 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 ...


43. Severity of Infection in Rainbow Trout Exposed for Six Weeks Under Different Flow Rates [MSU_12]
Myxospores were introduced to artificial stream channels with different flow regimes (slow and fast). Rainbow trout sac-fry were added to each channel for a six-week exposure in order to assess differences ...


44. 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 ...


45. Susceptibility of Bull Trout to M. Cerebralis Infection [MSU_BT]
The susceptibility of bull trout to M. cerebralis was assessed by experimental exposures at two different single parasite doses and two different repeated parasite doses. Only summary data are available, ...


46. Susceptibility of Chinook salmon to M. cerebralis infection [MSU_CHS_A]
In order to investigate the influence of exposure age on susceptibility to M. cerebralis in Chinook salmon, we assessed infection and disease following experimental exposures at different ages and ...


47. Taxonomic Review of Category 2 Species, brdsar0001 - Parent Taxonomic Review Metadata [BRDSAR0001]
More than 1,600 species and subspecies of animals in the United States are presently proposed for listing as endangered or threatened. These taxa are designated Category II Species by the U.S. Fish ...


48. Taxonomic Validation for Freshwater Bivalve and Gastropod Species on the U.S. Fish and Wildlife Service Category 2 species, brdsar0003 [BRDSAR0003]
This report addresses the taxonomic validity of 63 taxa of freshwater bivalves (Sphaeriidae and Unionidae) and 75 species of freshwater gastropods (Ancylidae, Planorbidae, Pleuroceridae, Viviparidae) ...


49. The Mesoamerican Biological Corridor Project [NASA_MBC7]
A three-year project developed to map and monitor land cover of the Mesoamerican Biological Corridor. The project is divided into two components: 1) land cover/land use mapping and 2) ...


50. 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 ...


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