Search Help
Thumbnail Icon [Keyword='NBII']


Refine by Category
 
Refine by Full text

 

64 Titles Match Your Query
Showing 1 through 50 of 64 Next
1. Dynamics of Forest Trees in the SERC Tower Stand, SERC, Edgewater, MD [siserc_cano020]
Measurements of identity size, and health of all woody plants in the SERC tower stand (1.635 hectares): a study of stand dynamics taken every three years. Location: SERC Tower Forest, Edgewater, ...


2. Dynamics of Forest Trees in the SERC Western Triangle Stand, SERC, Edgewater, MD [siserc_cano021]
Measurements of identity, size, and health of all woody plants in the SERC Western Triangle stand (1.0 hectares): a study of stand dynamics taken every three years. Location: SERC Western Triangle ...


3. Infaunal Macroinvertebrates at the Smithsonian Environmental Research Center [siserc_crab002]
Populations of infaunal macroinvertebrates in the Rhode River subestuary of the Chesapeake Bay were monitored starting in October 1979. Samples were collected bimonthly from late March to early December. ...


4. Marsh Elevated CO2 Study-Absolute CO2 Concentrations, SERC, Edgewater, MD [siserc_co2002]
Ambient atmospheric CO2 concentration and CO2 concentration in the 15 elevated CO2 open top chambers in C3, C4 and mixed C3&C4 communities (5 per community). Data were averaged over 15 minute periods; ...


5. Marsh Elevated CO2 Study-Meteorologic Data, SERC, Edgewater, MD [siserc_co2001]
Meteorologic data for Kirpatrick marsh, site of the elevated CO2 experiment. Data were averaged over 15 minute periods; chamber measurements only when chambers are on. Points were within the three ...


6. Marsh Elevated CO2 Study-Root and Rhizome Biomass, SERC, Edgewater, MD [siserc_co2008]
Belowground root and rhizome mass by community, CO2 treatment and year. Location: Kirkpatrick Marsh, Rhode River, Anne Arundel County, MD. Measurements taken annually, typically in November. Site ...


7. Whole Canopy PAR Transmittance in Stand Development, SERC, Edgewater, MD [siserc_cano018]
A one time measurement of leaf area by species and height interval for all species in the SERC Tower stand for the entire growing season of 1994: the details of canopy structural phenology. Site ranges ...


8. Winter Bird Counts at SERC. [siserc_bird002]
Volunteers (# Range: 7-22) walked and drove through 4 areas (70 km2 site size) around SERC property and recorded the number of each species of bird that they saw. Most observations were done between ...


9. Forest Health Monitoring Program (FHMP), USDA Forest Service [usdafs_d_fhmp]
The Forest Health Monitoring (FHM) program is a multi-agency, cooperative effort to determine the status, changes,and trends in all forest ecosystems in the United States on an annual basis. The ...


10. National Agricultural Pest Information System (NAPIS) [usdaaphis_d_napis]
National Agricultural Pest Information System (NAPIS) provides plant pest survey data on a national scale in conjunction with the Cooperative Agricultural Pest Survey (CAPS). Access to NAPIS ...


11. Natural Resources Management and Assessment Program (NRMAP) and National Park Service (NPS) Exotic Plants [doinps_d_nrmap]
The Natural Resource Management and Assessment Program (NRMAP) database contains the most comprehensive data available about nonindigenous (exotic) species for NPS units. Initial data ...


12. Nonindigenous Plants' Database, Army Lands Inventory [dodusacorpsaec_d_nips]
The Army Enviromental Center (AEC) gave the Waterways Experiment Station (WES) the task of developing a database covering noxious and nuisance plants because there is no central database on nonindigenous ...


13. Pacific Island Ecosystems at Risk [usda_fs_ipif_d_pier]
The Pacific Island Ecosystems at Risk is compiling a database and synthesis of available information on plants that are known or potential threats to Pacific island ecosystems, particularly the present ...


14. ROADVEG - Maintenance Division, Roadside Vegetation [utdot_d_roadveg]
The Utah Department of Transportation, in collaboration with Utah State University, developed a relational database and GIS, dubbed ROADVEG, that encodes land and vegetation attributes ...


15. The Federal Noxious Weeds Database [usda_aphis_ppqd_d_fnw]
The Federal Noxious Weeds (FNW) database contains taxonomic lists of plants listed as Federal Noxious Weeds under the Federal Noxious Weed Act of 1975. Listing is made by the U.S. Department ...


16. USDA Forest Service Noxious/Invasive Database [usdafs_d_fsnoxious]
The Forest Service Noxious/Invasive Database consists of three elements: administrative and reporting, inventory, and biological control information. The administrative reporting section is part of ...


17. INVADERS Database Project [umtdbs_d_invaders]
The INVADERS Database is a comprehensive database of exotic plant names and weed distribution records for five states in the northwestern United States. The spatial and temporal ...


18. Noxious Weed Information System (NWIS) [cadfaipcb_d_nwis]
The California Department of Food and Agriculture is developing a Noxious Weed Information System (NWIS) to coordinate information on noxious weed control in California. The NWIS is an integrated ...


19. A Passive Integrative Sampler for Mercury Vapor in Air and Neutral Mercury Species in Water. [usgsbrdcerc_mercurysampler]
A passive integrative mercury sampler (PIMS) based on a sealed polymeric membrane was effective for the collection and preconcentration of Hg0. Because the Hg is both oxidized and stabilized in the ...


20. Alien Plant Invaders of Natural Areas: Weeds Gone Wild [nps_d_alieninvaders]
The Alien Plant Invaders of Natural Areas site provides: (1) a comprehensive national listing of alien invasive species of natural areas in the U.S. (currently around 500 species); (2) a referenced ...


21. 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 ...


22. An Automated Photo-identification Catalog for Studies of the Life History of the Florida Manatee [usgsbrdfcscsirenia]
Many free-ranging Florida manatees (Trichechus manatus latirostris) are scarred from encounters with boats, entanglement in fishing gear, or fungal infections. A computer-based system, the Manatee ...


23. Apalachicola-Chatahoochee Flint River Basin Ground Water Data [usgs_nawqa_acfriver_groundwater]
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 ...


24. Apalachicola-Chatahoochee-Flint River Basin Streamflow Data [usgs_nawqa_acf_streamflow]
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 ...


25. 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 ...


26. Application of Enzyme-Linked Immunosorbent Assay for Measurement of Polychlorinated Biphenyls from Hydrophobic Solutions. [usgsbrdcerc_immunosorbentassay]
The objectives of this work were 1) to study the recovery and homogenity of polychlorinated biphenyls (PCBs) in solution prepared for ELISA by direct dilution of isooctane solutions; 2) to evaluate ...


27. Assessing Contaminant Sensitivity of Endangered and Threatened Species Toxicant Classes. [usgs_brd_cerc_d_contamsens]
Under the Federal Insecticide, Fungicide and Rodenticide Act, the Toxic Substances Control Act and the Clean Water Act, the U.S. Environmental Protection Agency is charged with determining if the ...


28. Breeding Bird Surveys at SERC [siserc_bird001]
The locations of all birds seen or heard during a census were marked on a map. Censuses were conducted along 10 lanes, 50 m apart through a 15 ha section of mature upland forest that was dominated ...


29. CLIMWAT, A Climatic Database [climwat]
CLIMWAT is a climatic database to be used in combination with the computer program CROPWAT and allows the ready calculation of crop water requirements, irrigation supply and irrigation scheduling ...


30. Comparative Sensitivity of Selenastrum capricornutum and Lemna minor to Sixteen Herbicides [usgs_brd_cerc_d_algae]
Aquatic plant toxicity tests are frequently conducted in environmental risk assessments to determine the potential impacts of contaminants on primary producers. An examination of published plant toxicity ...


31. Comparative Sensitivty of Five Species of Macrophytes and Six Species of Algae to Atrazine, Metribuzin, Alachlor, and Metolachlor [usgs_brd_cerc_d_macro_algae]
This data relates to the relative sensitivity of five species of aquatic macrophytes and six species of algae to four commonly used herbicides (atrazine, metribuzin, alachlor, and metoachlor). Toxicity ...


32. Comparison of the Uptake of Dioxin-Like Compounds by Caged Channel Catfish and Semipermeable Membrane Devices in the Saginaw River Michigan [usgsbrdcerc_dioxincompounds]
Elevated concentrations of planar, halogenated hydrocarbons have been linked to reproductive problems in a variety of fish-eating birds and mammals in the Great Lakes and in particular Saginaw Bay. ...


33. Determination of Bioavailable Contaminants in the Lower Missouri River Following the Flood of 1993. [usgs_brd_cerc_d_postflood]
The semipermeable membrane device (SPMD) technology was employed to determine the presence of bioavailable organochlorine pesticides (OCs), polychlorinated biphenyls (PCBs), and polyaromatic hydrocarbons ...


34. Determination of Uptake Kinetics (Sampling Rates) by Lipid-Containing Semipermeable Membrane Devices (SPMDs) for Polycyclic Aromatic Hydrocarbons in water. [usgsbrdcerc_samplingrates]
The use of lipid-containing semipermeable membrane devices (SPMDs) is becoming commonplace, but very little sampling rate data is available for the estimation of ambient contaminant concentrations ...


35. Determination of Waterborne Bioavailable Organochlorine Pesticide Residues in the Lower Missouri River [usgs_brd_cerc_d_preflood]
The semipermeable membrane device (SPMD) technology, was used to determine the presence of bioavailable organochlorine pesticides in the water of the main stem Missouri River. SPMDs were deployed ...


36. Dietary Exposure of Mink to Carp from Saginaw Bay [usgsbrdcerc_mink]
In this study, mink (Mustela vison) were exposed to various amounts of carp (Cyprinus carpio) collected from Saginaw Bay, Lake Huron, MI, and the reproductive effects were observed. In this portion ...


37. Dynamics of PAR and UVB Transmittance, SERC, Edgewater, Maryland [siserc_cano011]
Transmittance of broadband PAR and UVB radiation taken at 22 irregular intervals throughout the year from a slanting guy-wire trolley system at the SERC forest tower (1.635 ha in size). Location ...


38. Effects of Air Pollutants on Plants in National Park [usgsbrdnwhc_d_airpollutants]
This long-term data set is focused on sampling vegetation in national park units and analyzing them for elemental and compound contents to determine health and pollution status of plants in the national ...


39. Effects of Spatial and Temporal Variation of Acid-Volatile Sulfide on the Bioavailability of Copper and Zinc in Freshwater Sediments [usgs_brd_cerc_d_sulfides]
Variation in concentrations of acid-volatile sulfide (AVS) in sediments from the upper Clark Fork River of Montana was associated with differences in bioaccumulation of Cu and Zn and growth of larvae ...


40. Embryotoxicity of Great Lakes Lake Trout Extracts to Developing Rainbow Trout. [usgsbrdcerc_GreatLakeslaketrout]
Planar halogenated hydrocarbons (PHHs), such as polychlorinated dibenzo-p-dioxins, dibenzofurans, and biphenyls are present in aquatic systems, and are known to produce adverse effects in fish. This ...


41. Fire Fuel Inventory, Yosemite National Park from the U.S. Geological Survey, Biological Resources Division [LIFE_ECO_NBS_SIER_VEG_FUEL1]
The fuel inventory data involves 144 var. radius plots measured for vegetative cover and structure by species and fuel loading. Standing and downed fuel is estimated by size, class and type. Wood ...


42. 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 ...


43. Foliage Leaching by Acids at SERC, Edgewater, MD. [siserc_cano004]
Acid-dependent leaching potential (pH 2.5,3,3.5,4,4.5,5,&5.5) of major solutes from leaves of 7 major canopy species measured in the laboratory using a rainwater simulation procedure ("leaching potential"). ...


44. GulfCet II-Biological Oceanography in the Northern Gulf of Mexico [usgsbrdcr_d_GulfCetII_3biologic]   PARENT METADATA
The biological oceanography data set is part of the overarching GulfCet II study, Cetaceans, Sea Turtles and Seabirds in the Northern Gulf of Mexico: Distribution, Abundance and Habitat Associations, ...


45. GulfCet II-Cetaceans, Sea Turtles and Seabirds in the Northern Gulf of Mexico: Distribution, Abundance and Habitat Associations [usgsbrdcr_d_GulfCetII_1paren]   CHILD METADATA
The Gulf of Mexico is a semi-enclosed, intercontinental sea with a total area of about 1.5 square kilometers. As a large marine ecosystem, it has a unique bathymetry, hydrography and productivity. ...


46. GulfCet II: Environmental Patterns and Oceanographic Processes [usgsbrdcr_d_GulfCetII_2hydrog]   PARENT METADATA
The hydrography data set is part of the overarching GulfCet II study, Cetaceans, Sea Turtles and Seabirds in the Northern Gulf of Mexico: Distribution, Abundance and Habitat Associations, which provides ...


47. GulfCet II: Visual Surveys of Cetaceans and Sea Turtles from Aircraft [usgsbrdcr_d_GulfCetII_4visair]   PARENT METADATA
The visual survey of cetaceans and sea turtles from aircraft data set is part of the overarching GulfCet II study, Cetaceans, Sea Turtles and Seabirds in the Northern Gulf of Mexico: Distribution, ...


48. Iowa Department of Natural Resources Annual Roadside Survey [ia_dnr_d_roadsidesurvey]
Since 1962, the Iowa Department of Natural Resources has conducted annual roadside surveys to monitor the abundance of gray partridge and ring-necked pheasant. Data are obtained ...


49. Juvenile Blue Crab Mortality at the Smithsonian Environmental Research Center [siserc_crab001]
Tethering techniques are used to assess sources of and temporal variation in juvenile blue crab mortality as a function of water depth in the nearshore shallows of the Rhode River subestuary. Twenty-five ...


50. Leaf Area Phenology in a Mixed Deciduous Forest, SERC, Edgewater, MD [siserc_cano013]
Leaf area by species and height interval for all species in the SERC Tower stand for the entire growing season of 1994: the details of canopy structural phenology. Measurements taken about 20 times ...


Showing 1 through 50 of 64 Next
Click here for a static view of records.

Link to Web Site