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Primary and Secondary Forest by Andrea Chavez

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About This Gigapan

Taken by
Andrea Chavez Andrea Chavez
Explore score
0.10 Gigapixels
Date added
Aug 29, 2011
Date taken
Jul 26, 2011

The forests in Southeastern Amazon (here Province of Tahuamanu in Madre de Dios, Peru) are evergreen and characterized by high diversity and high crowns. The vegetation consists of lowland rain forests, mainly alluvial and terra firme forests, as well as low hillside bamboo forest. Alluvial forests are low terraces found along the borders of the major rivers. They are affected by river movement and frequent flooding. Terra firme is situated above the alluvial plains away from river courses and lakes and characterized by flat topography and variability of forest types. Although the diversity of Amazonian moist forests is generally among the highest of any forest type in the world, monodominant stands develop in some areas where either large bamboo (Gadua spp.) or palm (Mauritia flexuosa or Jessenia bataua) succeed over other species. Secondary forest or regrowth included secondary forest (1-2 year succession, 3-5 year succession, and between 7-15 year succession).
This gigapan has served to help distinguish remote sensing classification of forest cover.

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Stitcher Notes


GigaPan Stitch version 1.1.1564 (Windows)
Panorama size: 100 megapixels (12084 x 8300 pixels)
Input images: 49 (7 columns by 7 rows)
Field of view: 25.5 degrees wide by 17.5 degrees high (top=5.3, bottom=-12.2)
Vignette correction on: c1=0.00702 c2=-0.0436
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot SX120 IS
Image size: 3648x2736 (10.0 megapixels)
Capture time: 2011-07-26 11:59:47 - 2011-07-26 12:02:18
Aperture: f/5
Exposure time: 0.003125
ISO: 100
Focal length (35mm equiv.): 361.4 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 60.3 to 63.8 percent
Vertical overlap: 65.7 to 66.2 percent
Computer stats: 3963.99 MB RAM, 2 CPUs
Total time 1:12:37 (1:29 per picture)
Alignment: 31:46, Projection: 5:42, Blending: 35:09
(Preview finished in 49:56)

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