Chaves, Pablo Pérez (2020): Map of tree floristic patterns in Peruvian Amazonia [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.921729
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Abstract:
Floristic patterns of trees at genus-level were predicted throughout Peruvian Amazonia using Landsat satellite imagery, climate, elevation and soil layers. Genus-level tree floristic variation from 157 inventory plots was summarized through non-metric multidimensional scaling (NMDS). Random forest regression was used to predict each of the floristic gradients (NMDS axes 1, 2 and 3) at 450-m resolution over all Peruvian Amazonia. The model predicted 63%, 61% and 40% of the variation along the NMDS axes 1, 2 and 3 respectively. The map is limited to Peruvian Amazonia. Non-forest areas were masked out as well as areas with more than 2000 meters of altitude. The pixel values of each floristic gradient (NMDS axes) represent the position along the floristic ordination axes.
Keyword(s):
Supplement to:
Chaves, Pablo Pérez; Zuquim, Gabriela; Ruokolainen, Kalle; Van Doninck, Jasper; Kalliola, Risto; Gómez Rivero, Elvira; Tuomisto, Hanna (2020): Mapping floristic patterns of trees in Peruvian Amazonia using remote sensing and machine learning. Remote Sensing, 12(9), 1523, https://doi.org/10.3390/rs12091523
Coverage:
Median Latitude: -7.284306 * Median Longitude: -74.067083 * South-bound Latitude: -14.530139 * West-bound Longitude: -79.483750 * North-bound Latitude: -0.038472 * East-bound Longitude: -68.650417
Date/Time Start: 2013-01-01T00:00:00 * Date/Time End: 2018-12-31T00:00:00
Minimum Elevation: 100.0 m * Maximum Elevation: 2000.0 m
Event(s):
Peru_Amaz_tree * Latitude Start: -14.530139 * Longitude Start: -79.483750 * Latitude End: -0.038472 * Longitude End: -68.650417 * Date/Time Start: 2013-01-01T00:00:00 * Date/Time End: 2018-12-31T00:00:00 * Elevation Start: 100.0 m * Elevation End: 2000.0 m * Location: Peru * Method/Device: Random Forest
Comment:
Two maps are available for download:
(Map 1) "Map of floristic patterns of trees in Peruvian Amazonia.tif"
The map is a multi-raster file of 3 bands, in which band 1, 2 and 3 represent the predicted NMDS axes 1, 2 and 3 respectively.
(Map 2) "Map of tree floristic classes in Peruvian Amazonia.tif"
The previous map was classified into 10 classes using a k-means clustering method. The number of clusters in the k-means classification was based on an elbow method considering the ratio between-cluster and total variation.
Format (Map 1 and 2): .tif
Raster dimensions:
X: 2600 Y: 3478 Bands: 3 (Map 1)
X: 2600 Y: 3478 (Map 2)
Origin (Map 1 and 2): -79.4838,-0.0384722
Pixel size (Map 1 and 2): 0.00416667 degrees (~450 meters)
Coordinate Reference System (Map 1 and 2): WGS84
Layer extent (Map 1 and 2):
-79.4837500000000006,-14.5301388890000016
-68.6504166649999945,-0.0384722210000000
Band 1 (predicted NMDS axis 1 - Map 1)
STATISTICS_MAXIMUM=1.1180179608469
STATISTICS_MEAN=-0.015504471259686
STATISTICS_MINIMUM=-1.6817132865239
STATISTICS_STDDEV=0.40370983275472
Band 2 (predicted NMDS axis 2 - Map 1)
STATISTICS_MAXIMUM=1.0484372765624
STATISTICS_MEAN=-0.016429095319238
STATISTICS_MINIMUM=-1.0469313582621
STATISTICS_STDDEV=0.36291410193146
Band 3 (predicted NMDS axis 3 - Map 1)
STATISTICS_MAXIMUM=1.099924187551
STATISTICS_MEAN=0.03724122728335
STATISTICS_MINIMUM=-0.99972264056121
STATISTICS_STDDEV=0.33076922757331
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
45.4 MBytes