Western tropical Atlantic, Ocean circulation, Numerical model, Altimeter, Water mass spreading, Models, Oceanography, Ocean currents
Heterogeneity, Mussel beds, Demography, Biota, Spatial scale, Structural complexity, Perna perna, Scale dependence, Variance components, Recruitment
Air Pollution, Indoor - analysis, Models, Theoretical, Environmental Monitoring, Humans, Environmental Exposure - analysis, Organic Chemicals - analysis, Tobacco Smoke Pollution - analysis, Smoking
Biodiversidad, Macaronesia, Economía ambiental, Islas Canarias, Población, Zoología Marina, Biogeografía, Cefalópodos, Octópodos, Macaronesia, Macaronesia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronesian, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macar...
Eating, Atlantic Ocean, Environmental Monitoring - methods, Estuaries, Rivers, Water Pollutants, Chemical - analysis, Fisheries - statistics & numerical data, Water Pollutants, Chemical - metabolism, Rain, Animals, Ecosystem, Perciformes - metabolism, Plastics - analysis, Seasons, Zooplankton, Plastics - metabolism
Water Pollutants, Chemical - metabolism, Animals, Environmental Monitoring - methods, Benchmarking, Plastics - analysis, Seafood - analysis, Water Pollutants, Chemical - analysis, Aquatic Organisms - metabolism, Plastics - metabolism
Oceans and Seas, Temperature, Body Size - drug effects, Acids - chemistry, Linear Models, Sea Urchins - drug effects, Basal Metabolism - drug effects, Feeding Behavior - drug effects, Global Warming, Animals, Carbon Dioxide - pharmacology, Sea Urchins - physiology, Hydrogen-Ion Concentration
Water Pollutants, Chemical - metabolism, Rivers - chemistry, Environmental Monitoring - methods, Organic Chemicals - metabolism, Carbon - analysis, Water Pollutants, Chemical - analysis, Organic Chemicals - analysis
Sargassum horneri, floating algae, phytal animals, invertebrate fauna, rafting, East China Sea
Calcification, Climate change, Hydrolithon onkodes, Herbivory, Ocean acidification, Crustose coralline algae, Ocean, Coral reefs and islands, Global temperature changes, Water acidification
Deep-sea fishes, Off-Tohoku, Brominated flame retardants, Stable isotopes, Organochlorines, Food Chain, Halogens - metabolism, Water Pollutants, Chemical - metabolism, Environmental Monitoring, Fishes - metabolism, Animals, Species Specificity, Japan, Halogens - analysis, Pacific Ocean, Fishes - physiology, Water Pollutants, Chemical - analysis, Halocarbons,...
Skjærseth, Jon Birger, Wettestad, Jørgen, Law and legislation, Emissions trading, European Union countries, Government policy, 1955
Environmental institutions, Developing countries, Environmental policy, Tradable permits, Conservation of Natural Resources - methods, Air Pollutants, Licensure, Air Pollution - legislation & jurisprudence, Interviews as Topic, Chile, Conservation of Natural Resources - legislation & jurisprudence, Air pollution, Emissions credit trading, Analysis, Qualitati...
stable isotopes, tropical rainfall, ENSO, Papua, Indonesia, convective activity, temperature effect, Climate, Rain, Isotopes, Ocean-atmosphere interaction, Ocean temperature, Meteorology, Latent heat release, Precipitation (meteorology), Temperature, Troposphere, Southern Oscillation, Condensation, Seasonal variations, Precipitation, Ratios, Atmospheric temp...
Caribbean estuaries, Enrichment, Metals, Microplastics degradation, Micropollutants, Polyolefin
Commercial salts for human consumption, Environmental aspects, Environmental effects, Food, Global environmental pollutants, Human food safety and health, Microplastics, Pollutants, Pollution, Safety and security measures
Models, Theoretical, Age Factors, Nutrition Surveys, Nutritive Value, United States, Healthy Diet, Humans, Child, Preschool, Male, Young Adult, Adolescent, Adult, Female, Nutritional Status, Recommended Dietary Allowances, Micronutrients - administration & dosage, Child, Vegetable Proteins - administration & dosage, Dairy Products, plant-based foods, nutrien...
Ocean, Climate, Global warming, Volcanism, Geography. Anthropology. Recreation, TD169-171.8, GE1-350, Environmental pollution, TD172-193.5, Environmental sciences, Environmental protection
Environmental Monitoring, Fresh Water - analysis, Plastics - analysis, Water Pollutants, Chemical - analysis
Tsunami early warning, Tsunamis, Earthquakes, Tidal waves
Physical, Ocean observing systems, Water masses, Remote sensing and electromagnetic processes, General, Hydrodynamic modeling, Oceanography, Climate and interannual variability, open‐ocean deep convection, Mediterranean Sea, improved altimetry, Remote sensing, Physical oceanography, Earth Sciences, Sciences of the Universe
glacio‐eustasy, supersurface, Aeolian, deflation, eccentricity cycle, erg, Utah
Hydrocarbons, Benthos, Sediment pollution, Antarctica, Spatial variation, Environmental impact, Heavy metals, Antarctic Regions, Heavy Metal Poisoning, Multivariate Analysis, Environmental Monitoring, Animals, Hydrocarbons - poisoning, Ecosystem, Refuse Disposal, Geologic Sediments - chemistry, Invertebrates, Population Dynamics, Refuse and refuse disposal
Climate change, Climate, Oceanography, Oceans
Benzhydryl Compounds - analysis, Benzhydryl Compounds - chemistry, bisphenols, Chromatography - methods, cyclodextrin, daily use products, encapsulation, endocrine disrupters, Endocrine Disruptors - analysis, Endocrine Disruptors - chemistry, Food Packaging, micropollutants, Phenols - analysis, Phenols - chemistry, sewage water, Solid Phase Extraction - meth...
cattle grazing, inundation frequency, vegetation structure, compaction, horse grazing, Wadden Sea, sedimentation
Reproducibility of Results, Gas Chromatography-Mass Spectrometry, Models, Chemical, Solvents - chemistry, Humans, Solubility, Infant, Infant Formula - chemistry, Hot Temperature, Plasticizers - analysis, Cooking and Eating Utensils - standards, Plasticizers - chemistry, Cooking and Eating Utensils - economics, Materials Testing - methods, Food Contamination...
Cloacal bacteria, Loggerhead sea turtle, Antimicrobials, Mediterranean sea, Caretta caretta, Antibiotic resistance, Gram-Negative Bacteria - drug effects, Animals, Water Pollutants, Chemical - pharmacology, Drug Resistance, Multiple, Bacterial, Environmental Monitoring - methods, Turtles - microbiology, Anti-Bacterial Agents - pharmacology, Gram-Negative Bac...
European Union countries, Skjærseth, Jon Birger, Wettestad, Jørgen, Government policy, Emissions trading, 1955
A priori predictions, Benthic assemblages, Manipulative experiment, Contamination, Heavy metals
Fashion merchandising, Social aspects, Fashion, Clothing and dress, Clothing trade
precipitation, Arctic amplification, polar amplification, Arctic, climate change, Greenhouse effect, Computer simulation, Climate models, Arctic precipitation, Greenhouse gases, Intercomparison, Hydrologic cycle, Gases, Hydrology, Hydrometeorology, Energy, Heating, Polar environments, Static energy, Global warming, Human behavior, Hydrologic models
waves, surf zone, heat budget, Beaches, Swimming accidents & safety, Heating, Budgets, Drownings, Viscosity, Temperature, Wave power, Variability, Radiation, Time, Rip currents, Heat flux, Wave breaking, Depth, Surf, Locations (working), Energy, Breaking, Short-wave radiation, Temperature effects, Dissipation, Budgeting, Solar radiation, Water scarcity, Ocea...
tropical cyclones, ocean cooling, potential intensity index, Cyclones, Hurricanes, Kinetics, Meteorology
Diatoms - genetics, Base Sequence, Panama, Photosystem II Protein Complex - genetics, Ribulose-Bisphosphate Carboxylase - genetics, Chloroplasts - physiology, Diatoms - classification, Pacific Ocean, Diatoms - isolation & purification, Phylogeny, Sequence Analysis, DNA, Marine environments, Chloroplasts, Nucleotide sequence, DNA, Morphology, Deoxyribonucleic...
CO 2, CO2, global warming, climate change, greenhouse effect, greenhouse effect gases, emisiones de gases de efecto invernadero, carbon dioxide, CO2
Ocean circulation, Climate modeling, Arctic, Freshwater, Paleocene/Eocene Thermal Maximum, Carbon isotope excursion, Methane hydrates, Methane, Methane hydrate, Global temperature changes, Analysis, Tectonics (Geology), Ocean, Carbon cycle (Biogeochemistry), Salinity, Hydrates
Soot - chemistry, Air Pollutants - analysis, Molecular Weight, Electron Spin Resonance Spectroscopy, Free Radicals - analysis, Metals, Heavy - analysis, Plastics - chemistry, Polycyclic Compounds - analysis
Microbial Ecology
Adriatic Sea, Debris, Marine litter, Mediterranean Sea, Microplastics
Fishing, Fishing for Litter, Marine litter, Mediterranean Sea, Mitigation measures, MSFD, SWOT
Freshwater & Marine Ecology, Environment, Oceanography, Microbiology, Zoology, Marine & Freshwater Sciences, Feathers, King penguin, Physiological aspects, Molting, Petrels, Chemical properties, Research, Birds, Marine ecology, Marine conservation, Isotopes, Mercury, Life Sciences, Ecotoxicology, Toxicology
Atmospheric Sciences, Conservation, Cultural heritage, Cultural property, Ecological service, Ecology, Environment, Environment, general, Environmental Engineering/Biotechnology, Environmental Management, Physical Geography, Protection and preservation, Review, Seagrass, Seagrasses, Sediment deposits, Social aspects
advection, thermodynamics, clouds, Arctic, radiation, Climate change, Atmospheric circulation, Cooling, Greenhouse effect, Meteorology, Radiations, Climate, Temperature, State of the art, Monthly, Variability, Summer, Surface temperature, Time, Cloud properties, Properties, Warm air, Temperature effects, Polar environments, Buffers, Moisture, Cooling effects...
polar amplification, winter 2015‐2016, Arctic warming, Climate change, Winter, Clouds, Ocean-atmosphere interaction, Ocean temperature, Meteorology, Temperature, Surfaces, Latitude, Water vapour, Spring (season), Temperature effects, Polar environments, Ice conditions, Global warming, Temperature anomalies, Fluctuations, Proximity, Melting, Flux, Sea ice con...
ocean currents, Argo floats, GOCE, surface drifters, Ekman model, altimetry, Ocean circulation, End users, Products, Monthly, Communities, CNES, Spatial discrimination, Banks (topography), Altimeters, Slopes (topography), Depth, Components, Surface currents, Ocean models, Dynamic topography, Geoid, Topography, Ekman currents, Gravity, Gravitation, Topography...
Internal solitary waves, Iberia coast, SAR, Refraction, Estremadura Promontory, Internal tides, Portugal, Artificial satellites in remote sensing, Hydraulic measurements, Analysis, Synthetic aperture radar, Statistical analysis, Propagation, Scattering, Radar, Tidal waves, Bathymetry, Oceanography
Air Pollutants - analysis, Methylmercury Compounds - analysis, Environmental Monitoring, Public Health, Mercury - analysis, Food Contamination, Humans, Biological Availability, Oryza - chemistry, Chemical Industry, Soil Pollutants - analysis, Animals, Selenium - analysis, China, Fishes
Freshwater & Marine Ecology, Environment, Oceanography, Microbiology, Zoology, Marine & Freshwater Sciences, Habitat (Ecology), Modification, Research, Habitat partitioning (Biology), Mussels, Shorelines, Marine biology, Mollusks, Habitats, Biological diversity
Obesity, Deprivation, Free radicals, Neighborhoods, Alcohol, Inflammation, Mediation, Studies, Body mass index, Lungs, Mediators, Socioeconomic factors, Biomarkers, Air pollution, Bioindicators, Society, Nitrogen dioxide, Public health, Health disparities
Cross-Over Studies, Sulfur Hexafluoride - chemistry, Animals, Carbon Dioxide - metabolism, Animal Nutritional Physiological Phenomena, Methane - biosynthesis, Medicago sativa, Animal Husbandry, Female, Silage - analysis, Cattle - physiology, Diet - veterinary
Diatoms - physiology, Indian Ocean, Species Specificity, Diatoms - genetics, Diatoms - classification, Terminology as Topic, Phylogeny, Biodiversity, RNA, Ribosomal - genetics, Sequence Analysis, DNA, Saudi Arabia, Likelihood Functions, Mozambique, DNA, Ribosomal Spacer - genetics, China, Genes, Chloroplast, Chloroplasts - genetics, Evolution, Molecular, Lit...
Pollutant emissions, Law, Carbon dioxide emissions, Environmental sciences, Pollution control, Regional cooperation, International relations, Gas emissions, Environmental engineering, Engineering, Treaties, International cooperation, Political science, European integration, Environmental studies, Political organizations, Greenhouse gas emissions, Emissions r...
Business administration, Climatology, Paleoclimatology, Astrophysics, Environmental sciences, Insolation, Summer, Solar physics, Survey research, Thermodynamics, Environmental studies, Stellar physics, Seasons, Solar radiation, Research methods, Business, Cooling, Earth sciences, Reports, Climate models, Atmospheric sciences, Proxy statements, Physics, Surve...
Air Pollutants - analysis, Vehicle Emissions - toxicity, Oxidation-Reduction, Polycyclic Aromatic Hydrocarbons - toxicity, Organic Chemicals - toxicity, Motor Vehicles, California, Organic Chemicals - analysis, Carbon - chemistry, Particle Size, Inhalation Exposure, Polycyclic Aromatic Hydrocarbons - analysis, Carbon - analysis, Catalysis, Air Pollutants - t...
Adaptations, Scanning electron microscopy, Aleocharinae, Coasts, Staphylinidae, Coleoptera, Discordance, Data processing, Phylogeny, Mitochondria, Aleochara, Dispersal, Harsh environments, Colonization
Sea-level, Antarctica, Oligocene, Oxygen isotopes, Ice volume, Climate, Continental shelf, Environmental sciences, Analysis, Ice, Universities and colleges, Sea level, Satellite imaging
CAMBIO CLIMÁTICO, Last Glacial Maximum, asynchronous coupling, climate and vegetation models, continental carbon stocks, prescribed and computed sea surface temperatures, vegetation distribution
Bathing Water Directive, Marine plastic debris, Plastic pollution, Plastisphere, Public health
ocean general circulation, ocean mass variability, seasonal cycle, sea level trends, GRACE, sea level variability
South Atlantic circulation, Interannual variability, Zapiola Rise, Climate, Ocean circulation, Analysis, Ocean, Oceanographic research, Seismic waves, Ocean currents, Measurement, Oceanography, Basins, Sedimentation & deposition, Earth Sciences, Sciences of the Universe, Physics, Geophysics
Mathematical models, Plankton, Thin layers, Finestructure, Patchiness, Advection–diffusion, Nutrients, Oceanography, Dispersion, Ocean currents
Cold, Geology, Ocean circulation
herbivory, surface elevation change, global change, sea-level rise, marsh succession, sedimentation rate, Wave propagation, Ecosystems, Analysis, Sediments (Geology), Wetlands
Abyssal hill, Sediment, Seamount, Non-deposition, Tides, Erosion, Case studies, Fluid dynamics, Dynamic meteorology, Sediments (Geology), Ore deposits, Seamounts, Biogeochemistry, Sediments, Topography, Ocean currents, Biological diversity, Earth Sciences, Sciences of the Universe, Oceanography
Bathing Beaches, Beach sand, Environmental associations, Environmental monitoring, Environmental Monitoring - methods, Fluorescence, Fluorescence microscopy, FTIR, India, Microplastics, Oceans and Seas, Plastics - analysis, Plastics - chemistry, Polyethylene terephthalate, Quartz, SEM-EDS, Water Pollutants, Chemical - analysis, Water Pollutants, Chemical - c...
pancake ice, Beaufort Sea, wave dispersion in sea ice, SAR imagery, COSMO‐SkyMed, Dispersion (wave), Wave power, Cakes, Summer, Waves, Wave dispersion, Case studies, Wave propagation, Ice thickness, Ships, Radar, Wave direction, Ocean waves, Water boundary, Frequency spectrum, Mathematical models, Synthetic aperture radar, Wave energy, Oceans, Satellite sens...
geostatistics, vapor concentration, risk assessment, mercury, human health, groundwater protection, speciation, Environment, general, Hydrogeology, analytical modeling, Environment, Atmospheric Protection/Air Quality Control/Air Pollution, numerical modeling, Remediation, Groundwater, Environmental monitoring, Contamination
Rossby wave, Sardine, Kelvin wave, Regime indicator series, Thermohaline, Teleconnections, AMOC, Anchovy, Phosphates, Fish industry, Climate cycles, Agricultural societies, Fisheries, Marine resources conservation, Rossby waves, Thermohaline circulation, North Atlantic oscillation, Global temperature changes, Analysis, Southern oscillation, Ocean, Temperatur...
subsidence, barrier islands, model, accretion deficit, elevation deficit
macroseismic intensity, intensity prediction, Emilia earthquake 2012, early radiated energy, seismic risk mitigation, early warning, Onsite, Earthquakes, Seismology, Plate tectonics, Emergency communications systems, Earthquake prediction, P waves, Design parameters, Warning systems, Earthquake engineering, Methodology, Seismic activity, Risk, Seismic hazard...
Chemical hazards, Pollutant emissions, Materials, Materials science, Respiratory system, Technology, Hydrocarbon fuels, Physiology, Public health, Toxic emissions, Environmental pollution, Animal traps, Anatomy, Chemicals, Chemistry, Energy engineering, Environmental quality, Exhaust gases, Applied sciences, Biological sciences, Metabolic stress, Health scie...
CO2 tax, GMM, Luenberger total factor productivity indicator, EU ETS, Models, Theoretical, Air Pollution - prevention & control, Sweden, Taxes, Humans, Economic Development, Industrial Waste - legislation & jurisprudence, Paper, Carbon Dioxide - analysis, Industrial Waste - economics, Prices, Fossil fuels, Incentives, Carbon, Technological change, Environmen...
Geochemistry, Paleoceanography, Paleoclimate science, Ocean circulation
rctic, A, MHC, polar bear, pathogens, climate change, Genetic research, Global temperature changes, Genetic diversity, Polar bears
P, halacrocorax carbo, diving, illumination, great cormorant, temperature, climate change, Global temperature changes, Analysis, Cormorants, Sea ice, Animal reproduction, Bird migration, Birds, Global warming, Animal populations, Ecology, Foraging behavior
Macaronesia, Cabo Verde, Patología, Micología, Medicina Interna, Macaronesian, Macaronésie, Macaronésia
distributed hydrologic models, digital elevation models, grid coarsening, channel network relief, surface flow paths, thalweg, Cell culture, Procedures, Altitudes, Slopes (topography), Channels, Descriptions, Elevation, Flow paths, Topography, Basins, Valleys, Profiles, Hydrologic models, Optical radar, Surface flow, Computer simulation, Depressions, Drainag...
Boats and boating, Cigarette boats, Environmental Monitoring - methods, Forecasts and trends, Marine litter, Mediterranean Sea, Monitoring, Oceans and Seas, Plastic pollution, Plastics - analysis, Pollution, Sea surface debris, Seasons, Ships, Spain, Waste Products - analysis, Water Pollutants, Chemical - analysis, Waterfront development
FTIR, Marine biology, Natural environment, Photo-oxidation, Plastic deterioration, Plastics industry, Polystyrene, Sea-water, Tensile properties
Warming, Climate change, Nitrogen cycle, 15N-tracing, Ammonia-oxidizing archaea, 15N-pool-dilution, N enrichment
contaminants, toxicity, Collembola, hydrocarbon, Macquarie Island, Antarctic Regions, Invertebrates - classification, Petroleum Pollution, Environmental Monitoring, Animals, Risk Assessment, Environmental Pollution, Invertebrates - physiology, Arthropods, Biodiversity, Soil Pollutants - analysis, Soil Pollutants - toxicity, Diesel fuels, Correlation analysis...
Stable isotope, Food web, Diet, Bioaccumulation, Dogfish, Skate, Mercury, Nitrogen Isotopes - analysis, Skates (Fish) - metabolism, Mercury - analysis, Species Specificity, Food Contamination - analysis, Atlantic Ocean, Water Pollutants, Chemical - pharmacokinetics, Dogfish - metabolism, Water Pollutants, Chemical - analysis, Mercury - pharmacokinetics, Food...
Analysis, Animals, Animals, Wild, Aquaculture, Brown mussels, Environmental Monitoring - methods, Fibers, Fish-culture, Food Contamination - analysis, Guanabara Bay, Marine biology, Marine debris, Mussels, Nylon, Perna - chemistry, Perna - growth & development, Perna perna, Plastics - analysis, Pollution, Polymethylmethacrylate, Seafood - analysis, Water Pol...
Genetic markers, Eukaryotes, Analysis, DNA barcoding, Genetic aspects, Methods, Biological diversity, Coral reefs, Marine ecology, Taxonomy, Ecosystems, Cytochrome-c oxidase, Sediments, Biodiversity, Seaweeds, National parks, Case studies, Mitochondria, Databases, Plankton, Primers, DNA, Morphology, Bayesian analysis, rRNA 18S, Deoxyribonucleic acid--DNA, Pa...
genetic diversity, meiofauna, morphology, arpacticoida, cryptic species, annopus palustris, Geography, Copepoda - genetics, Copepoda - anatomy & histology, Molecular Sequence Data, Male, North Sea, Phylogeny, Biodiversity, Black Sea, Sequence Analysis, DNA, South Carolina, Sex Ratio, Genetic Variation, Animals, Copepoda - classification, Female, Crustaceans,...
Tundras, Biomass production, Ecosystems, Soil fungi, Shrublands, Biology, Biomass, Fungi, Reproduction, Agronomy, Botany, Fungal anatomy, Agriculture, Soil science, Fertilization, Developmental biology, Mycology, Biomes, Ecology, Plants, Soils, Agricultural sciences, Heathlands, Fungal biomass, Biological sciences, Tundra soils, Mycelium, Forest soils, stabl...
Life cycle assessment, Life cycle inventory analysis, Metal processing, Degreasing processes, KEY WORDS: Functional unit, Environmental accounting, Volatile organic compounds--VOCs, Metals, Life cycles
Analysis, Anopheles, Biotechnology, Drug resistance in microorganisms, Genes, Macroplastics, Metagenomic analysis, Microbiota (Symbiotic organisms), Microplastics, Pacific Ocean, Plastics industry, Resistance genes, Sea-water
coupled model, tropical cyclone, stable boundary layer, SST cooling, upper ocean thermal structure, Cyclones, Models, Ocean-atmosphere interaction, Atmosphere, Meteorology, Ocean currents, Climatology, Wind, Sea surface, Vertical advection, Ocean models, Cyclone forecasting, Temperature effects, Tropical environment, Boundary layer stability, Cooling, Upper...
Plant Ecology, Plant Physiology, Chamaedorea ernesti-augustii, Plant Anatomy/Development, C-value, Leucothrinax morrisii, Plant Systematics/Taxonomy/Biogeography, Life Sciences, Ex situ conservation, living collections, Botanic gardens, Conservation genetics, Plant Sciences, Wildlife conservation, Usage, Conservation biology, Botanical gardens
ecological niche modeling, egg incubation, precipitation, loggerhead turtle, Caretta caretta, fitness, temperature, Models, Theoretical, Reproduction, Animals, Demography, Turtles - physiology, Climate Change, Cell Survival, Ovum, Forecasting, Physiological aspects, Global temperature changes, Niche (Ecology), Rain and rainfall, Analysis, Sea turtles, Animal...
DNA, Analysis, Physiological aspects, Hypoxia, Genetic aspects, Phylogeny, Bacteria, Photosynthetic, Geography, rRNA 16S, Habitats, Communities, Hot springs, Photopigments, Aquatic habitats, Water springs, Gene sequencing, Coastal ecology, Microorganisms, Phototrophic bacteria, Next-generation sequencing, Deoxyribonucleic acid, Mats, Phylogenetics, Bacteria,...
rctic, A, habitat loss, polar bear, climate warming, sea ice, Climate, Arctic research, Climate change, Global warming, Glaciers, Animal populations, Wildlife conservation, Polar bears
snow fence, C, D, extreme event, ryas octopetala, reproductive effort, assiope tetragona, S, growing season, mild periods, pitsbergen, climate change, snow depth
Environment, forest management, tree improvement, clonal technology
MANAGEMENT, Finance, Business administration
Climate change, Carbon, Nitrogen, Grassland, Pasture