Data · dataset · 2020
Data from: Allometric models to estimate leaf area for tropical African broadleaved forests
Listed in DataSuds
Direct and semi-direct estimations of leaf area (LA) and leaf area index (LAI) are scarce in dense tropical forests despite the importance of such measurements to calibrate remote-sensing products, forest dynamics and biogeochemical models (e.g. Dynamic Global Vegetation Models).
Description
Extensive and destructive sampling of 61 trees belonging to 13 species spanning all diameter and wood density classes was performed in the semi-deciduous forest of southeastern Cameroon.
For each tree, all leaves were weighed, counted for a subsample of branches and LA measured for 10-50 leaves. Allometric models were calibrated to allow semi-direct estimation at tree- and stand-levels, based on forest inventory data (R²=0.7, bias=21.2%, error=39.5%), also on novel tree metrics allowed by remote-sensing like airborne light detection and ranging (R²=0.63, bias=35.1%, error=58.73). Using twenty-one 1-ha forest inventory plots, stand-level estimations of LAI spanned from 4.42-13.99.
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Models produced at stand-level estimation may be considerably useful to climate-vegetation modelling and remote-sensing communities.
Links
Where it is published
- Dataverse dataset page dataverse.ird.fr/dataset.xhtml?persistentId=doi%3A10.5061%2Fdryad.63cj030 ↗
landing page · from dataverse ird fr
- DOI doi.org/10.5061/dryad.63cj030 ↗
DOI / persistent id · from dataverse ird fr
Catalogue records · 1
- Dataverse API dataverse.ird.fr/api/datasets/:persistentId/?persistentId=doi%3A10.5061%2Fdryad… ↗
metadata API · from dataverse ird fr
Topics
- Stated by source
- Mathematical Sciences
- From keywords
- Mathematics & Statistics
Provenance · 1 source records, 8 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| DataSuds | doi:10.5061/dryad.63cj030 | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].dataverse_subject:mathematical-sciences | source · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 | /subjects |
| concepts[field].local:field:mathematics-statistics | mapping · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 | /subjects |
| created_date | source · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 | |
| description | source · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 | /description |
| publication_date | source · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 | |
| title | source · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 | /name |
| updated_date | source · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 | |
| version_label | source · dataverse ird fr | connector:dataverse_ird_fr@1.0.0 |