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From: Dan Richter (1:317/3)
To: All
Date: Fri, 28.05.21 13:00
MODIS Pic of the Day 28 May 2021
May 28, 2021 - Northern Bolivia



Northern Bolivia, intensely rich in biodiversity, sits at the
convergence of three biogeographical zones: the Amazon, the Chaco, and
the Cerrado. The Amazon is a broadleaf rainforest, an irreplaceable
treasure that some call the “lungs of the world” for the role the dense
vegetation plays in taking up carbon and adding oxygen to the
atmosphere. The Chaco region is a hot, semi-arid lowland region and the
vast, tropical savanna is known as the Cerrado.

Recognizing the importance of these regions to the health of the Earth,
much of the region has been preserved or protected, such as the Beni
Biosphere Reserve where more than 100 species of mammal, 500 species of
bird, and 2,000 species of vascular plant have been identified. Another
reserve in this area is the Madidi National Park in the northeastern
section of Bolivia, which covers parts of the Bolivian montane dry
forest, Bolivian Yungas (a forested transitional zone at the foot of
the mountains), the Tuichi River, rainforest, and the peaks of the
Andes. The many ecoregions mean that about 272 species of mammal, 213
species of amphibian, 204 species of reptiles, 496 species of fish, and
1,254 species of birds, and over 120,000 species of insects have been
counted in the sprawling Madidi National Park.

Despite the diversity of ecoregions and the incredible biodiversity
found in northern Bolivia, the area continues to be under intense
pressure to open lands to agriculture and other human uses. After the
rainy season (December to May) ends and hot, dry weather sets in, many
fires are set to fresh pasture, clear existing cropland, or bring down
forests and wildlands to turn to other uses. According to Global Forest
Watch, between 2002 to 2020, Bolivia lost 3.02 million hectares of
humid primary forest, making up 51% of its total tree cover loss in the
same period. Total area of humid primary forest in Bolivia decreased by
7.4% in this time period.

On May26, 2021, the Moderate Resolution Imaging Spectroradiometer
(MODIS) on board NASA's Terra satellite acquired a true-color image of
northern Bolivia. After a long wet season, numerous lakes and rivers
are swollen with rain and snowmelt from the nearby Andes Mountains. The
Rio Madre de Dios can be seen at the far left of the image traveling
eastward to meet the Rio Beni. These two rivers converge at the city of

Image Facts
Satellite: Terra
Date Acquired: 5/26/2021
Resolutions: 1km (337.4 KB), 500m (924.7 KB), 250m (644.1
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC
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