Nitrogen fixation and phosphatase activity of 97 nitrogen-fixing and non-fixing trees in Panama
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Identification info
- Metadata Language
- English (en)
- Character set
- utf8
- Dataset Reference Date ()
- 2018-07-13
- Dataset Reference Date ()
- 2018-07-11
- Identifier
- doi: / 10.5285/3578bae2-4b88-4b2e-93e1-6965dfe1348c
- Other citation details
- Batterman, S.A., Hall, J.S., Turner, B., Hedin, L.O., LaHaela Walter, J.K., Sheldon, P., van Breugel, M. (2018). Nitrogen fixation and phosphatase activity of 97 nitrogen-fixing and non-fixing trees in Panama. NERC Environmental Information Data Centre 10.5285/3578bae2-4b88-4b2e-93e1-6965dfe1348c
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- notPlanned
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- Other constraints
- no limitations
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- Use constraints
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- Other constraints
- © University of Leeds
- Use constraints
- otherRestrictions
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- © Princeton University
- Use constraints
- otherRestrictions
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- © Smithsonian Tropical Research Institute
- Use constraints
- otherRestrictions
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- If you reuse this data, you should cite: Batterman, S.A., Hall, J.S., Turner, B., Hedin, L.O., LaHaela Walter, J.K., Sheldon, P., van Breugel, M. (2018). Nitrogen fixation and phosphatase activity of 97 nitrogen-fixing and non-fixing trees in Panama. NERC Environmental Information Data Centre https://doi.org/10.5285/3578bae2-4b88-4b2e-93e1-6965dfe1348c
- Spatial representation type
- textTable
- Topic category
-
- Biota
- Begin date
- 2011-08-15
- End date
- 2011-09-30
- Code
- WGS 84
Distribution Information
- Data format
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Comma-separated values (CSV)
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Comma-separated values (CSV)
()
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Supporting information
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- Quality Scope
- dataset
- Other
- dataset
Report
- Dataset Reference Date ()
- 2010-12-08
- Statement
- The dataset includes the original values for all variables except nitrogen fixation and phosphatase activity, which represent the mean across replicates within a tree (three replicates for fixation rate, five replicates for phosphatase activity). Data have not been transformed and no outliers were removed. Nitrogen fixation was measured using three approaches: (1) To measure nodule biomass, six 5.5 cm diameter soil cores were taken from within two meters of the base of the tree and examined for root nodules in the lab. (2) To measure rates of fixation within the nodules of the majority of trees, nodules were excavated from fine roots at the base of each tree and acetylene reduction assay was conducted immediately. (3) To obtain the conversion of acetylene reduced to nitrogen fixed, nodules were excavated from fine roots at the base of a subset of trees and were incubated with labeled 15N and later analysed with isotope ratio mass spectrometry to determine the nitrogen fixed relative to non-enriched control nodules for each tree. Data were expressed as nodule biomass, nitrogen fixation rate converted to grams nitrogen fixed per area of rooting zone of the focal tree.
Metadata
- File identifier
- 3578bae2-4b88-4b2e-93e1-6965dfe1348c XML
- Metadata Language
- English (en)
- Character set
- ISO/IEC 8859-1 (also known as Latin 1)
- Resource type
- dataset
- Hierarchy level name
- dataset
- Metadata Date
- 2024-03-01T11:27:53
- Metadata standard name
- UK GEMINI
- Metadata standard version
- 2.3