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» Weekly element concentrations in stem flow in the microcathchment Q2 between 1998-2013 created by: Andre Velescu, Wolfgang Wilcke (last update: 2017-10-02)

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Weekly element concentrations in stem flow in the microcathchment Q2 between 1998-2013

Dataset ID:	1686
Last updated:	2017-10-02
Dataset creators:	Andre Velescu Wolfgang Wilcke
Contact:	Wolfgang Wilcke Andre Velescu
Temporal coverage:	1998-03-20 00:00:00 - 2013-05-01 00:00:00 - time zone: -5
Geographic coverage:	Q2.1
Abstract:	Weekly time series of measured concentrations of A... Abstract: Weekly time series of measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, S, K, Na, Mg, Ca and Total organic C in stem flow in the ECSF area in the microcatchment Q2 (transect Q2.1). The weekly time series extends between March 1998 and May 2013. Stem flow was sampled weekly in Q2.1 with polyurethane collars on 5 representative tree species: Piptocoma discolor (Kunth) Pruski, Heliocarpus americanus L., Sapium glandulosum (L.) Morong, Cyathea caracasana (Klotzsch) Domin, Cecropia angustifolia Trécul. The five stem flow samples were collected, volume-weighted and bulked to one sample per per collecting interval. Samples were immediately filtered (4-7 µm) in the laboratory of the ECSF and stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.
Additional info:	--- Additional info:
Keywords:	\| Q2 \| nitrate \| ammonium \| chloride \| calcium \| potassium \| magnesium \| sodium \| stem flow \| aluminium \| manganese \| zinc \| sulphur \| element concentrations \| total nitrogen \| phosphate \| total phosphorus \| total organic carbon \| time series \|
Intellectual rights:	PAK 823-825 data user agreement. (www.tropicalmountainforest.org/dataagreementp3.do)

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Entity name:	q21_stemflow_chemistry_v1
Entity info:	Q2.1 Stemflow chemistry 1998-2013
Entity type:	dataTable
Attributes:	Date and Time (datetime) (Unitless) ID of the plot (PlotID) (Unitless) Aluminium measured in stem flow (Alw_stem) [Milligram per liter] Manganese measured in stem flow (Mnw_stem) [Milligram per liter] Zinc measured in stem flow (Znw_stem) [Milligram per liter] Calcium measured in stem flow (Caw_stem) [Milligram per liter] Potassium measured in stem flow (Kw_stem) [Milligram per liter] Magnesium measured in stem flow (Mgw_stem) [Milligram per liter] Sodium measured in stem flow (Naw_stem) [Milligram per liter] Ammonium measured in stem flow (NH4w_stem) [Milligram of nitrogen per liter] Nitrate measured in stem flow (NO3w_stem) [Milligram of nitrogen per liter] Total nitrogen measured in stem flow (Ntotw_stem) [Milligram of nitrogen per liter] Total sulphur measured in stem flow (Stotw_stem) [Milligram per liter] Chloride measured in stem flow (Clw_stem) [Milligram per liter] Dissolved organic carbon measured in stem flow (DOCw_stem) [Milligram per liter] Ortho-phosphate (reactive phosphorus) measured in stem flow (PO4w_stem) [Milligram of phosphorus per liter] Total phosphorus measured in stem flow (Ptotw_stem) [Milligram of phosphorus per liter]

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