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182 Titles Match Your Query
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51. Factors Affecting the Distribution of Juvenile Salmon in the Gulf of Alaska 2001-2003 [salmon_juv_diet_LTOP_CGOA]
The purpose of this research is to focus National Marine Fisheries Service studies on the GLOBEC region, augment oceanographic measurements and determine what biological and physical factors influence ...


52. Factors Affecting the Distribution of Juvenile Salmon in the Gulf of Alaska 2001-2004 [salmon_biodata_LTOP_CGOA]
Factors affecting the distribution of juvenile salmon in the Gulf of Alaska were examined to determine what biological and physical factors influence the distribution of juvenile salmon. CTD, ADCP ...


53. Farming Systems for Soil Quality and Economic Sustainability [USDA.ARS.NSDL.FarmSyst]
1. Climatic conditions in subtropical and warm temperate regions make it difficult to increase soil carbon storage, given current cropping practices coupled with the use of conventional tillage. ...


54. Fine Root Production [fine_root_production]
Measurements of fine root production to date made during the growing seasons of 2010 and 2011 in plots of a factorial warming x accelerated snowmelt field experiment. Measurements were made using ...


55. Free Air Carbon Dioxide (CO2) Enrichment (FACE) Program Data at Brookhaven National Laboratory (BNL/DOE) [FACE_BNL]
The Free Air CO2 Enrichment (FACE) program uses technologies capable of providing a means by which the environment around growing plants may be modified to realistically simulate future concentrations ...


56. Geochemical Monitoring of Restoration Progress [USGS_SOFIA_geochem_mon_restore_fy04]
Continued geochemical monitoring efforts will provide a measure of the progress and effects of restoration on environmental health and water quality, and complement biological monitoring of indicator ...


57. Global Model Reference Data, 0.5 x 0.5 degree grid-cell [EOSWEBSTER_Global_Ref]
The Global Model Reference Collection contains 3 datasets that have been used extensively in various biogeochemical process models, in addition to some basic data layers used in analyzing and aggregating ...


58. Global Patterns of Carbon Dioxide Emissions from Soils on a 0.5 Degree Grid Cell Basis, CDIAC/DB1015 [CDIAC_DB1015]
[Summary adopted from db1015 documentation] This database contains global, spatially explicit (0.5 degree grid cells) and temporally explicit (monthly and annual) model output of ...


59. Green Manure Replacement for Fallow : Effect on Soil Organic Matter [USDA.ARS.NPARL.GreenManureOM]
Problem: Soil organic carbon levels have declined to about 50% of their original levels in much of the Northern Great Plains due to intensive tillage and a wheat - fallow rotation. Findings: A field ...


60. Growth and Chemical Responses to CO2 Enrichment - Virginia Pine (Pinus Virginiana Mill.), CDIAC NDP-009 [CDIAC_NDP9]
Growth and chemical responses of Virginia pine grown in open-top growth chambers at elevated CO2 concentrations (+0, +75, +150, +300, +600 ppmv) were evaluated over a four-month period. The seedlings ...


61. HYDROGRAPHIC DATA OF THE LOC-IUEM/UBO [UBOC01]
ENGLISH Data collected by the Chemical Oceanography Laboratory (LOC/CHIMAR, France) in the frame of two main programs: 1) nitrogen fluxes in the food web, fluid transports for coastal systems and ...


62. Hydrologic Margins Research Project, 2004-2008, McMurdo Dry Valleys [B268_hydrol_margins_dvs_proj]
In this field research project, we investigated the soil hydrology, biogeochemistry, and microbial ecology along hydrologic gradients in soils adjacent to streams and lakes in Wright and Taylor Valleys. ...


63. IAI-Data-CRN_012-Chile: Comparison of principal ecosystem functions in forests of contrasting biodiversity in Chile and Argentina [IAIDIS752]   PARENT METADATA
The main objective of this work is to compare principal ecosystem functions in forests of contrasting biodiversity (low in Argentina, high in Chile) and primary productivity in southern temperate ...


64. IAI-Data-CRN_012_Austin_POSIT-DEC: The importance of position of senescent material on decomposition and nutrient release [IAIDIS760]   PARENT METADATA
The importance of standing dead material, including coarse woody debris in forests, has been shown to be important in the regeneration of forests, and critical for maintaining a variety of ecosystem ...


65. IAI-Data-CRN_012_GPolo_CL72: Vegetation effects on soil in an arid ecosystem in the Patagonian steppe [IAIDIS734]   PARENT METADATA
The vegetation affects the soil beneath, and these changes could be important in arid ecosystems. The patagonian steppe is characterized by patches of grasses and shrubs. The objective of this study ...


66. IAI-Data-CRN_012_Sala_PozosN: Aboveground and belowground nitrogen cycle in the Patagonian steppe [IAIDIS740]   PARENT METADATA
The general objective of this experiment was to describe the aboveground and belowground nitrogen cycle in the Patagonian steppe. We used the Patagonian steppe as a model ecosystem because of the ...


67. IAI-Data-CRN_012_Yahdjian_drought: Drought effects on ecosystem functioning in a semiarid grass-shrub steppe South of Argentina [IAIDIS744]   PARENT METADATA
We studied drought effects on ecosystem functioning in a semiarid grass-shrub steppe South of Argentina. We designed a 2-year rainfall manipulation experiment where we decreased water input with rainout ...


68. IAI-Final Report_ISP1_080: Biogeochemical Determinants of Land-Cover Change and Land-Use In Savanna-Cultivation-Grazing Systems [IAIDIS454]
This dataset refers to Final Report of the ISP round I project number 080, which has the name "BIOGEOCHEMICAL DETERMINANTS OF LAND-COVER CHANGE AND LAND-USE IN SAVANNA-CULTIVATION-GRAZING SYSTEMS". ...


69. IAI-Presentation_CRN_001_Results_1: Biogeochemical Cycles under Landuse Change in the Semiarid America [IAIDIS588]
This dataset makes reference to the presentation used by Dr. Everaldo Sampaio (UFPE,Brazil) and Dr. Elke Noellemeyer (UNLP, Argentina) to present the results of the CRN project number 001, which has ...


70. IAI-Presentation_CRN_047_Results_1: Andean Amazon Rivers Analysis and Monitoring (AARAM) Project [IAIDIS616]   PARENT METADATA
This dataset makes reference to the presentation used by Dr. Michael McClain to present the results of the CRN project number 047. The project has participation in USA, Peru, Brasil, Bolivia, Colombia ...


71. Impact of Climate on Plant-soil Interactions and Carbon Budgets of Ponderosa Pine [USDA0592]
The purpose of the data in "Impact of Climate on Plant-soil Interactions and Carbon Budgets of Ponderosa Pine" is to determine if climate-driven shifts in biomass allocation enable ponderosa pine ...


72. Impact of Livestock Grazing on Carbon and Nitrogen Balance of a Short-grass Steppe [USDA.ARS.CGPRS.SGSgraze]
(adapted from project abstract) Problem: Grazing lands constitute about 55% ofthe total land surface of the United States, and have been estimated to contain 40,000 MMT of C in the top 2 m of the ...


73. Impacts of CO2 Enrichment on C Sequestration in Native Grasslands [USDA.ARS.SPNRU.CO2enrich]
(Adapted from abstract presented at ARS Carbon Storage Workshop, Baltimore MD, Jan 1999) Problems: During the past few decades the atmospheric concentration of CO2 has been increasing at historically ...


74. Influence of Tillage Management on Soil Quality and Fate of Agricultural Nitrogen [USDA.ARS.NRI.ECL.TillMngt]
(adapted from project description) Problem: The use of no-tillage cropping systems has increased as their advantages in sustainable crop production have been documented. This includes better maintenance ...


75. Integrated BIosphere Simulator (IBIS) Data Set [SAGE_LBA_IBIS]
The Earth's terrestrial (land-based) ecosystems are critically important to the welfare of humankind. Food, fiber, fresh water, medicines, and forest products are all derived from our terrestrial ...


76. Integration Analysis of North Adriatic Marine Ecosystem (ECOMADR) [ECOMADR]
Project aims to identify key components of the trophic web of marine ecosystem in the northern adriatic sea, and to provide a first assessment of energy fluxes among such compartments. Since in this ...


77. Interaction between Carbon and Sulfur Cycles in Antarctic Stratified Lakes and Fjords [ASAC_1166]
---- Public Summary from Project ---- The lakes and fjords of the Vestfold Hills region of Antarctica provide unique ecosystems for studying environmental changes in Antarctica over the past 8000 ...


78. Interannual Variability in Global Soil Respiration on a 0.5 Degree Grid Cell Basis (1980-1994), CDIAC/NDP-081 [CDIAC_NDP-081]
[Summary adopted from NDP-081 documentation] We used a climate-driven regression model to develop spatially resolved estimates of soil-CO2 emissions from the terrestrial land ...


79. Isotopes in Gases in Firn Air and Shallow Ice at the Proposed WAIS Drilling Site [white_0440498]
This is a multi-institutional project investigating gas concentrations and isotope ratios of gases in the upper part of the Inland WAIS ice core. The Stable Isotope Lab at INSTAAR of the University ...


80. Isotopic Values from Labeling Study at a Moist Acidic Tundra Site [isotopic_values_from_labeling_study_at_a_moist_acidic_tundra_site]
These data sets are from a summer and undersnow labeling studies.


81. Key Processes and Sustainable Mechanisms of Ecosystem Food Production in the Coastal Ocean of China [KPFPC]
The scientists involved in this program will carry out integrated studies among multidisciplinary subjects by focusing on such a core as the coupling mechanism of the marine biogeochemical cycles ...


82. Linking Land, Air and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration: Task 2, Sulfur and Nutrient Contamination, Biogeochemical Cycling, and Effects [USGS_SOFIA_LinkingLandAirManagement_Task2]   PARENT METADATA
The scientific focus of this project is to examine the complex interactions (synergistic and antagonistic) of contaminants (externally derived nutrients, mercury, sulfur, pesticides, herbicides, polycyclic ...


83. Linking Land, Air and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration: Task 3, Natural Organic Matter-Mercury Interactions [USGS_SOFIA_LinkingLandAirManagement_Task3]   PARENT METADATA
This Task (Task 3 of the overall study) focuses on the factors that control the occurrence, nature and reactivity of dissolved organic matter (DOM) in the Florida Everglades, especially with regard ...


84. Linking Land, Air, and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem restoration: Task 1, Mercury Cycling, Fate and Bioaccumulation [USGS_SOFIA_LinkingLandAirManagement_Task1]   PARENT METADATA
This proposal identifies work elements that are logical extensions, and which build off, our previous work. Our overall scientific objective is to provide a complete understanding of the external ...


85. Long Term Grazing Treatment Data from the Eastern Oregon Agricultural Research Center, USDA-ARS [USDA.ARS.SMRU.LongTerm]
Prior to establishment of the Northern Great Basin Experimental Range in 1937, the whole area had been grazed very heavily by sheep and cattle. The rangeland would all have been rated as poor condition. ...


86. Long-Term Agricultural Field Experiment -- Data Compendium [USDA0243]
This data set contains information on climate (temperature, precipitation); soil (carbon, nitrogen, bulk density, texture); production (grain yield, straw/residue production); and migrant histories ...


87. Long-Term Ecological Research (LTER)/CDR001: Fenced Microplots (MICRO); Effects of NH4NO3 on Vegetation at Cedar Creek Natural History Area [LTER_CDR001]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR001 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


88. Long-Term Ecological Research (LTER)/CDR002: Fenced Microplots, Disked (MICRO);Effects of NH4NO3 on Vegetation at Cedar Creek [LTER_CDR002]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR002 [Summary adapted from the LTER Core Data Set Catalog]: This experiment is exactly the same as CDR001 ...


89. Long-Term Ecological Research (LTER)/CDR003: Effects of Nutrients on Vegetation at Cedar Creek Natural History Area [LTER_CDR003]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR003 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


90. Long-Term Ecological Research (LTER)/CDR004: Effects of NH4NO3 on Small Mammal Grids (MAMML) at Cedar Creek Natural History Area [LTER_CDR004]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR004 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


91. Long-Term Ecological Research (LTER)/CDR005: Effects of NH4NO3 on Small Mammal Grids, Disked (MAMML) at Cedar Creek Natural History Area [LTER_CDR005]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR005 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


92. Long-Term Ecological Research (LTER)/CDR006: Effects of NH4NO3 on Small Mammal Grids, Control (MAMML) at Cedar Creek Natural History Area [LTER_CDR006]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR006 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


93. Long-Term Ecological Research (LTER)/CDR007: Effects of NH4NO3 on Vegetation in Unfenced Microplots (UNFMC) at Cedar Creek [LTER_CDR007]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR007 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


94. Long-Term Ecological Research (LTER)/CDR008: Effects of Fires on Old Field Vegetation (BRNMC) at Cedar Creek Natural History Area [LTER_CDR008]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR008 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


95. Long-Term Ecological Research (LTER)/CDR009: Blowdown Survey (BLDWN) at Cedar Creek Natural History Area [LTER_CDR009]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR009 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


96. Long-Term Ecological Research (LTER)/CDR010: Old Field Survey (OFIELD) at Cedar Creek Natural History Area [LTER_CDR010]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR010 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


97. Long-Term Ecological Research (LTER)/CDR011: Fish Lake Burn Compartments (FLBRN) at Cedar Creek Natural History Area [LTER_CDR011]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR011 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


98. Long-Term Ecological Research (LTER)/CDR012: Effects of NH4NO3 and pH on Microorganism Populations (SORG) at Cedar Creek Natural History Area [LTER_CDR012]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR012 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


99. Long-Term Ecological Research (LTER)/CDR013: Phenology of Fertilization (PHEN) at Cedar Creek Natural History Area [LTER_CDR013]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR013 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


100. Long-Term Ecological Research (LTER)/CDR014: Monoculture and Competition Gardens at Cedar Creek Natural History Area [LTER_CDR014]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR014 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


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