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resultados de la busqueda para: "keyword:"13C natural abundance""

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1-5 of 5 datasets.

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» Chemical properties of forest soils in Laipuna at 600 and 1200 m a.s.l. created by: Andre Velescu, Tobias Fabian, Wolfgang Wilcke (last update: 2025-02-04)

» Monthly delta 13C and delta 15N isotope measurements in litterfall at NUMEX San Francisco between 2007-2009 created by: Andre Velescu (last update: 2017-10-04)

» test created by: Susanne Spannl (last update: 2019-03-28)

» Soil physical and chemical properties at NUMEX San Francisco between 2007-2009 created by: Andre Velescu, Wolfgang Wilcke (last update: 2017-10-04)

» Myrcia CO2 response curve created by: Susanne Spannl (last update: 2019-03-28)

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Chemical properties of forest soils in Laipuna at 600 and 1200 m a.s.l.

vea metadata

Dataset ID:	2026
Last updated:	2025-02-04
creador del conjunto de datos:	Andre Velescu Tobias Fabian Wolfgang Wilcke
Contacto:	Andre Velescu
cobertura temporal:	2022-11-29 00:00:00 - 2022-12-20 00:00:00 - time zone: America/Guayaquil
cobertura geografica:	Laipuna Forest Core Plots
Resumen:	The dataset includes chemical properties of the or... Resumen: The dataset includes chemical properties of the organic layer and of mineral soil samples from the soil profiles in core plots in the natural forest of Laipuna, taken during the sampling campaign in 2022. Three soil profiles were established on each core plot. Respresentative samples were taken from each horizon, dried and transported to Germany for laboratory analyses. Available nitrogen (NH4-N and NO3-N) was immediately extracted in the laboratory of the research station Laipuna with 1 M KCl. The extracts were frozen and sent to Germany for laboratory analyses by continuous flow analysis. Following properties were measured in the < 2mm soil fraction: available P after extraction by the Olsen method with 0.5 M NaHCO3 and measurement by continuous flow analysis, total element concentrations Al, Fe, Mn, Zn, C, N, S, P, K, Na, Mg, Ca after microwave pressure digestion with HNO3, H2O2 and HF and measurement by by ICP-OES or ICP-MS, effective cation exchange capacity and exchangeable cations Ca, Na, Mg, K, Al, Fe, Mn after unbuffered extraction with 1M NH4NO3 and measurement by ICP-OES. Stable isotopes ratios of C and N were measured in milled aliquots by EA-IRMS.
Informaciones adicionales:	--- Informaciones adicionales:
Palabras claves:	\| soil characteristics \| cation exchange capacity \| 15N natural abundance \| 13C natural abundance \| base saturation \| total nitrogen \| exchangeable cations \| total element concentrations \| available nitrogen \| available phosphorus \| organic carbon \|
DOI:	10.5678/1n3s-wx47
Derechos intelectuales:	FOR2730 data user agreement. (www.tropicalmountainforest.org/dataagreementp3.do)

Entity name:	lai_soil_profiles_metadata
Entity info:	Laipuna soil profile metadata
Entity type:	dataTable
Atributos:	Datetime of specific event (eventdatetime) (sin unidad) Site name (Site_name) (sin unidad) land use (Land_use) (sin unidad) ID of the plot (PlotID) (sin unidad) Section (Section) (sin unidad) Comment (Comment) (sin unidad) ID of the subplot (subplot_id) (sin unidad) UTM x-coordinate (UTMCoordX) [Meter] UTM y-coordinate (UTMCoordY) [Meter] Minimum geographic latitude (geocoordinate_latitude_min) [Degree] Maximum geographic latitude (geocoordinate_latitude_max) [Degree] Minimum geographic longitude (geocoordinate_longitude_min) [Degree] Maximum geographic longitude (geocoordinate_longitude_max) [Degree] Height above mean sea level (geocoordinate_amsl) [Meter] Exposition (expo_angle) [Degree] slope (Slope) [Degree] Soil development depth (Zsmax) [Meter]

Entity name:	lai_ol_forest_chemical_properties
Entity info:	Chemical properties organic layer Laipuna forest
Entity type:	dataTable
Atributos:	Datetime of specific event (eventdatetime) (sin unidad) Site name (Site_name) (sin unidad) land use (Land_use) (sin unidad) ID of the plot (PlotID) (sin unidad) ID of the sample (SampleID) (sin unidad) Section (Section) (sin unidad) Soil horizon symbol after "world reference base" (Horizon_WRB) (sin unidad) Thickness of the horizon (Horizon_thickness) [Meter] electrical conductivity of streamwater (ECw) [Microsiemens per centimeter] pH of soil H2O (PHs_H2O) [Unitless] pH of soil KCl (PHs_KCl) [Unitless] Total carbon of soil (TCs) [Gram per kilogram] Total nitrogen of soil (TNs) [Gram per kilogram] Total Sulphur of soil (TSs) [Gram per kilogram] Total phosphorus soil (TPs) [Gram per kilogram] Total element Potassium of soil (TE_K) [Gram per kilogram] Total Na (TE_Na) [Milligram per kilogram] Total element Magnesium of soil (TE_Mg) [Gram per kilogram] Total element Calcium of soil (TE_Ca) [Gram per kilogram] Total element Aluminum of soil (TE_Al) [Gram per kilogram] Total element Iron of soil (TE_Fe) [Gram per kilogram] Total element Manganese of soil (TE_Mn) [Gram per kilogram] Total Zn (TE_Zn) [Milligram per kilogram] C/N ratio (CN_ratio) [Ratio] Extractable ammonium in soil (NH4s) [Milligram of nitrogen per kilogram] Extractable nitrate in soil (NO3s) [Milligram of nitrogen per kilogram] Delta 13C signature (Delta_13C) [Promille] Delta 15N signature (Delta_15N) [Promille]

Entity name:	lai_soil_forest_chemical_properties
Entity info:	Soil chemical properties Laipuna forest
Entity type:	dataTable
Atributos:	Datetime of specific event (eventdatetime) (sin unidad) Site name (Site_name) (sin unidad) land use (Land_use) (sin unidad) ID of the plot (PlotID) (sin unidad) ID of the sample (SampleID) (sin unidad) Section (Section) (sin unidad) Soil horizon symbol after "world reference base" (Horizon_WRB) (sin unidad) Depth range minimum (depth_Range_Min) [Meter] Depth range maximum (depth_Range_Max) [Meter] Thickness of the horizon (Horizon_thickness) [Meter] electrical conductivity of streamwater (ECw) [Microsiemens per centimeter] pH of soil H2O (PHs_H2O) [Unitless] pH of soil KCl (PHs_KCl) [Unitless] Total carbon of soil (TCs) [Gram per kilogram] Total nitrogen of soil (TNs) [Gram per kilogram] Total Sulphur of soil (TSs) [Gram per kilogram] Total phosphorus soil (TPs) [Gram per kilogram] Total element Potassium of soil (TE_K) [Gram per kilogram] Total Na (TE_Na) [Milligram per kilogram] Total element Magnesium of soil (TE_Mg) [Gram per kilogram] Total element Calcium of soil (TE_Ca) [Gram per kilogram] Total element Aluminum of soil (TE_Al) [Gram per kilogram] Total element Iron of soil (TE_Fe) [Gram per kilogram] Total element Manganese of soil (TE_Mn) [Gram per kilogram] Total Zn (TE_Zn) [Milligram per kilogram] C/N ratio (CN_ratio) [Ratio] Delta 13C signature (Delta_13C) [Promille] Delta 15N signature (Delta_15N) [Promille] Extractable ammonium in soil (NH4s) [Milligram of nitrogen per kilogram] Extractable nitrate in soil (NO3s) [Milligram of nitrogen per kilogram] Orthophosphate Olsen-extracted (P_soil_Olsen) [Milligram per kilogram] extractable K (ECEC_K) [Microequivalent per gram] extractable Na (ECEC_Na) [Microequivalent per gram] extractable Mg (ECEC_Mg) [Microequivalent per gram] extrectable Ca (ECEC_Ca) [Microequivalent per gram] extractable Al (ECEC_Al) [Microequivalent per gram] extractable Fe (ECEC_Fe) [Microequivalent per gram] extractable Mn (ECEC_Mn) [Microequivalent per gram] effective cation exchange capacity (ECEC) [Microequivalent per gram] Base saturation of soil (BS) [Percent]

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Monthly delta 13C and delta 15N isotope measurements in litterfall at NUMEX San Francisco between 2007-2009

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vea metadata

Dataset ID:	1692
Last updated:	2017-10-04
creador del conjunto de datos:	Andre Velescu
Contacto:	Wolfgang Wilcke Andre Velescu
cobertura temporal:	2007-12-13 00:00:00 - 2009-05-13 00:00:00 - time zone: -5
cobertura geografica:	Numex plots San Francisco
Resumen:	Monthly time series of d13C and d15N isotope measu... Resumen: Monthly time series of d13C and d15N isotope measurements in litterfall at NUMEX San Francisco between 2007 and 2009. Litterfall was collected on all 20 plots at NUMEX on 6 subplots per plot (A-F) with polyethylene mesh traps (0.6 x 0.6 m). On each plot, two of the six litterfall traps were randomly sampled monthly. The samples were dried at 40 °C for one week and stored at the ECSF until transport to Germany or Switzerland for chemical analyses. The two collected replicates were bulked per plot and collecting interval resulting in one litterfall sample per plot and month. Samples were ground to <50 µm with a planetary ball mill (Retsch PM200, Haan, Germany) prior to isotope measurements of d13C and d15N by EA/IRMS (ThermoFisher, Bremen, Germany)
Informaciones adicionales:	--- Informaciones adicionales:
Palabras claves:	\| NUMEX \| litterfall \| San Francisco \| 15N natural abundance \| 13C natural abundance \|
Derechos intelectuales:	PAK 823-825 data user agreement. (www.tropicalmountainforest.org/dataagreementp3.do)

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Entity name:	numex_sf_litterfall_cn_isotopes_v1
Entity info:	NUMEX San Francisco Litterfall d13C d15N 2007-2009
Entity type:	dataTable
Atributos:	Date and Time (datetime) (sin unidad) ID of the sample (SampleID) (sin unidad) ID of the plot (PlotID) (sin unidad) Treatment of the plot (PlotTreat) (sin unidad) Delta 13C signature (Delta_13C) [Promille] Delta 15N signature (Delta_15N) [Promille]

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test

vea metadata

Dataset ID:	1739
Last updated:	2019-03-28
creador del conjunto de datos:	Susanne Spannl
Contacto:	Susanne Spannl
cobertura temporal:	2019-03-08 12:59:00 - 2019-03-08 13:29:00 - time zone: America/Lima
cobertura geografica:	Trees around ECSF (Homeier)
Resumen:	--- Resumen:
Informaciones adicionales:	--- Informaciones adicionales:
Palabras claves:	\| 13C natural abundance \|
Derechos intelectuales:	test

Entity name:	Test A/CI Curve 3408 Myrcia
Entity type:	dataTable
Atributos:	ID of the tree (TreeID) (sin unidad) Tree species (Tree_species) (sin unidad) Date and Time (datetime) (sin unidad) Photosynthesis (FPSN) [Micromol per square meter and second] Conductance to H2O (Cond) [Mol per squaremeter per second] Intercellular CO2 concentration (Ci_CO2) [Millimol per square meter per second] Leaf transpiration (LeafTrans) [Millimol per square meter per second] Vapor pressure deficit at the leaf surface (VpdLeaf) [Kilopascal] Leaf Temperature (temp_leaf) [Degrees Celsius] Relative humidity of the leaf sample, measured by porometry (relh_leaf) [Percent] Photosynthetic active radiation (PAR) [Micromol per square meter and second]

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Soil physical and chemical properties at NUMEX San Francisco between 2007-2009

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vea metadata

Dataset ID:	1693
Last updated:	2017-10-04
creador del conjunto de datos:	Andre Velescu Wolfgang Wilcke
Contacto:	Wolfgang Wilcke Andre Velescu
cobertura temporal:	2007-07-14 00:00:00 - 2009-06-01 00:00:00 - time zone: -5
cobertura geografica:	Numex plots San Francisco
Resumen:	The dataset includes physical and chemical propert... Resumen: The dataset includes physical and chemical properties of the organic layer and mineral soil at NUMEX San Francisco during sampling campaigns from 2007 to 2009. Following properties were measured: bulk density, horizon thickness, sand, silt and clay content, concentrations of Al, Fe, Mn, Zn, C, N, S, P, K, Na, Mg, Ca, cation exchange capacity, exchangeable cations Ca, Na, Mg, K, Al, Fe, delta 13C and delta 15N values. For details on used methods please see Wullaert, H. (2010): Response of nutrient cycles of an old-growth montane forest in Ecuador to experimental low-level nutrient amendments Johannes Gutenberg University Mainz, phd thesis (FOR816dw ID 885): http://www.tropicalmountainforest.org/publications.do?citid=885
Informaciones adicionales:	--- Informaciones adicionales:
Palabras claves:	\| soil texture \| bulk density \| NUMEX \| San Francisco \| cation exchange capacity \| carbon \| nitrogen \| phosphorus \| calcium \| potassium \| magnesium \| sodium \| aluminium \| manganese \| zinc \| sulphur \| organic layer \| 15N natural abundance \| 13C natural abundance \| pH values \| iron \| soil horizons \| exchangeable cations \|
Derechos intelectuales:	PAK 823-825 data user agreement. (www.tropicalmountainforest.org/dataagreementp3.do)

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Entity name:	numex_sf_soil_data_v1
Entity info:	NUMEX San Francisco soil data 2007-2009
Entity type:	dataTable
Atributos:	Date and Time (datetime) (sin unidad) ID of the plot (PlotID) (sin unidad) Treatment of the plot (PlotTreat) (sin unidad) horizon symbol of the soil (Horizon_symbol) (sin unidad) Thickness of the horizon (Horizon_thickness) [Meter] Bulk density (Bd) [Gram per cubic centimeter] pH of soil H2O (PHs_H2O) [Unitless] pH of soil KCl (PHs_KCl) [Unitless] Total carbon of soil (TCs) [Gram per kilogram] Total nitrogen of soil (TNs) [Gram per kilogram] Total Sulphur of soil (TSs) [Gram per kilogram] Total phosphorus soil (TPs) [Gram per kilogram] Total element Potassium of soil (TE_K) [Gram per kilogram] Total Na (TE_Na) [Milligram per kilogram] Total element Magnesium of soil (TE_Mg) [Gram per kilogram] Total element Calcium of soil (TE_Ca) [Gram per kilogram] Total element Iron of soil (TE_Fe) [Gram per kilogram] Total element Manganese of soil (TE_Mn) [Gram per kilogram] Total element Aluminum of soil (TE_Al) [Gram per kilogram] Total Zn (TE_Zn) [Milligram per kilogram] Delta 13C signature (Delta_13C) [Promille] Delta 15N signature (Delta_15N) [Promille] extractable K (ECEC_K) [Microequivalent per gram] extractable Na (ECEC_Na) [Microequivalent per gram] extractable Mg (ECEC_Mg) [Microequivalent per gram] extrectable Ca (ECEC_Ca) [Microequivalent per gram] extractable Al (ECEC_Al) [Microequivalent per gram] extractable Fe (ECEC_Fe) [Microequivalent per gram] effective cation exchange capacity (ECEC) [Microequivalent per gram] Base saturation of soil (BS) [Percent] Soil texture clay content (Clay) [Unitless] Soil texture silt content (Silt) [Unitless] Fine Sand (Sand_fine) (sin unidad) Medium sand (Sand_medium) (sin unidad) Coarse sand (Sand_coarse) (sin unidad)

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Myrcia CO2 response curve

vea metadata

Dataset ID:	1740
Last updated:	2019-03-28
creador del conjunto de datos:	Susanne Spannl
Contacto:	Susanne Spannl
cobertura temporal:	2019-03-08 12:59:00 - 2019-03-08 13:29:00 - time zone: America/Guayaquil
cobertura geografica:	Trees around ECSF (Homeier)
Resumen:	test... Resumen: test
Informaciones adicionales:	test... Informaciones adicionales: test
Palabras claves:	\| 13C natural abundance \|
Derechos intelectuales:	test

Entity name:	test 8-3-2019 3408 myrcia CO2 response curve
Entity info:	Messprotokoll wird eingetragen
Entity type:	dataTable
Atributos:	ID of the tree (TreeID) (sin unidad) Tree species (Tree_species) (sin unidad) Date and Time (datetime) (sin unidad) Photosynthesis (FPSN) [Micromol per square meter and second] Conductance to H2O (Cond) [Mol per squaremeter per second] Intercellular CO2 concentration (Ci_CO2) [Millimol per square meter per second] Leaf transpiration (LeafTrans) [Millimol per square meter per second] Vapor pressure deficit at the leaf surface (VpdLeaf) [Kilopascal] Leaf Temperature (temp_leaf) [Degrees Celsius] Relative humidity of the leaf sample, measured by porometry (relh_leaf) [Percent] Photosynthetic active radiation (PAR) [Micromol per square meter and second]

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