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Site description and location of direct measured trees in the Ankeniheny Zahamena forest corridor, Madagascar
Data comprise location (zone of interest, village name, site code, longitude, latitude, altitude and slope), local tree species name, tree code and tree diameter class of trees selected for direct measurements in the Ankeniheny Zahamena forest corridor, the remains of the evergreen forest of eastern Madagascar. Data were collected as part of a project funded by the Ecosystem Services for Poverty Alleviation (ESPA) programme under work package 4, P4GES project, grant references: NE/K008692/1, NE/K010115/1, and NE/K010220/1. Full details about this dataset can be found at https://doi.org/10.5285/a242e145-21f6-4c3c-b8e4-adce70e50d85
Simple
- Date (Publication)
- 2017-03-03
- Citation identifier
- https://catalogue.ceh.ac.uk/id/a242e145-21f6-4c3c-b8e4-adce70e50d85
- Citation identifier
- doi: / 10.5285/a242e145-21f6-4c3c-b8e4-adce70e50d85
- Other citation details
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Razakamanarivo, H., Razafimbelo, T., Andriamananjara, A., Rianahary, A., Razafindrakoto, M., Harinirina, A. (2017). Site description and location of direct measured trees in the Ankeniheny Zahamena forest corridor, Madagascar. NERC Environmental Information Data Centre 10.5285/a242e145-21f6-4c3c-b8e4-adce70e50d85
- Point of contact
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Organisation name Individual name Electronic mail address Role Laboratoire des Radio Isotopes, Université d'Antananarivo Razakamanarivo, H.
Point of contact Laboratoire des Radio Isotopes, Université d'Antananarivo Razakamanarivo, H. Author Laboratoire des Radio Isotopes, Université d'Antananarivo Razafimbelo, T. Author Laboratoire des Radio Isotopes, Université d'Antananarivo Andriamananjara, A.
Author Laboratoire des Radio Isotopes, Université d'Antananarivo Rianahary, A.
Author Laboratoire des Radio Isotopes, Université d'Antananarivo Razafindrakoto, M.
Author Laboratoire des Radio Isotopes, Université d'Antananarivo Harinirina, A.
Author NERC Environmental Information Data Centre Publisher NERC EDS Environmental Information Data Centre Custodian
- Maintenance and update frequency
- As needed
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- no limitations
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© Laboratoire des Radio Isotopes, Université d'Antananarivo
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Acknowledgement of the Laboratoire des Radio Isotopes, Université d'Antananarivo is required for products derived from these data
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If you reuse this data, you should cite: Razakamanarivo, H., Razafimbelo, T., Andriamananjara, A., Rianahary, A., Razafindrakoto, M., Harinirina, A. (2017). Site description and location of direct measured trees in the Ankeniheny Zahamena forest corridor, Madagascar. NERC Environmental Information Data Centre https://doi.org/10.5285/a242e145-21f6-4c3c-b8e4-adce70e50d85
- Spatial representation type
- Text, table
- Language
- English
- Character set
- UTF8
- Topic category
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- Economy
- Environment
- Begin date
- 2013-06-01
- End date
- 2017-02-28
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- Unique resource identifier
- WGS 84
- Distribution format
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Name Version Comma-separated values (CSV)
- Distributor contact
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Organisation name Individual name Electronic mail address Role NERC EDS Environmental Information Data Centre
Distributor
- OnLine resource
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Protocol Linkage Name https://data-package.ceh.ac.uk/data/a242e145-21f6-4c3c-b8e4-adce70e50d85 Download the data
- OnLine resource
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Protocol Linkage Name https://data-package.ceh.ac.uk/sd/a242e145-21f6-4c3c-b8e4-adce70e50d85.zip Supporting information
- Hierarchy level
- Dataset
- Other
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dataset
Conformance result
- Title
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Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Date (Publication)
- 2010-12-08
- Statement
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A forest inventory was carried out within all sites of closed canopy in the four Zone Of Interest (ZOI). Name of species, DBH, and height (H) were recorded during the forest inventory. In order to have an idea of above-ground biomass (AGB) density, AGB at tree level was estimated by applying the allometric equation developed by Chave et al. 2014 on the inventory data. Indeed, the model developed by Chave et al. was considered because it was the most recent and included the existing national equations. Subsequently, total AGB at stand level (Mg.ha-1) for each site was calculated by summing the AGB values of all trees in the same site and dividing this value by the total survey area (ha) sampled. After, two (2) ZOIs were chosen according to the extreme values of AGB at stand level while considering the ease of access. In fact, ZOI3 has the highest value of AGB; ZOI1 and ZOI2 have very similar AGB values and have been the lowest. Thus, considering the accessibility and the cost of the work, ZOI2 was chosen for the direct measurement. The selection of sites was based on the AGB values per site in relation to the representativeness of each tree size (proportion of trees per DBH class). In order to establish this relation, AGB per site was divided at three class so that each class has the same number of values (a percentage at around 33% of the total number of sites for each class). The aim is to see for each site, which category of tree (in terms of DBH) contributes the most to its biomass (ABG). Afterwards, consideration of contribution of each tree size into AGB density in Mg.ha-1 per site for each ZOI, at least 3 sites for each ZOI were selected for BGB direct measurements. The choice of sites also takes account of the accessibility, any restriction in field process in relation with this protected area zonage. Target trees were chosen from the four dominant species sorted out from the forest inventory. Target trees were selected by considering the selection of zone, sites, diameter classes and species. Three categories of trees were considered, trees with DBH≥ 20cm, trees with 10≤DBH<20cm and trees with 5≤DBH<10cm. Following all these process, in total, 54 target trees were selected for direct measurements of BGB: 2 zones * 3 sites/zone * 3 species per site * 3 diameter class / species.
Metadata
- File identifier
- a242e145-21f6-4c3c-b8e4-adce70e50d85 XML
- Metadata language
- English
- Character set
- 8859 Part 1
- Hierarchy level
- Dataset
- Hierarchy level name
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dataset
- Date stamp
- 2025-03-21T13:35:47
- Metadata standard name
- UK GEMINI
- Metadata standard version
-
2.3
- Metadata author
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Organisation name Individual name Electronic mail address Role NERC EDS Environmental Information Data Centre Point of contact
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