Rio Acre

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Rio Acre - Río Acre
Rio Acre in Rio Branco

Rio Acre in Rio Branco

Data
location PeruPeru Peru , Bolivia , BrazilBoliviaBolivia BrazilBrazil 
River system Amazon
Drain over Rio Purus  → Amazon  → Atlantic Ocean
Headwaters La Montana in the border area between Peru and Brazil
10 ° 57 ′ 2 ″  S , 70 ° 30 ′ 23 ″  W
Source height approx.  350  m
muzzle Rio Purus coordinates: 8 ° 45 ′ 12 "  S , 67 ° 24 ′ 4"  W 8 ° 45 ′ 12 "  S , 67 ° 24 ′ 4"  W.

length approx. 1000 km
Catchment area 35,400 km²
Outflow A Eo : 35,400 km²
MQ
Mq
 		640 m³ / s
18.1 l / (s km²)
Left tributaries Rio Xapuri, Rio Espalha
Big cities Rio Branco
Medium-sized cities Cobija
Small towns Brasiléia , Xapuri , Boca do Acre
Communities Iñapari
Location of the Rio Acre

Location of the Rio Acre

Rio Acre at Xapuri

Rio Acre at Xapuri

The Rio Acre , in Peru and Bolivia Río Acre , is a right tributary of the Rio Purus in the states of Peru , Bolivia and Brazil .

course

The Rio Acre rises in the eastern foothills of the Peruvian Cordillera , in the La Montana . About a third of its length, the Rio Acre is the border river between Peru and Brazil , later between Bolivia and Brazil. Then it turns north into Brazilian territory and flows into the Rio Purus at Boca do Acre . It is generally navigable from the mouth to the Rio Chapury (480 km), and even further up in the rainy season from January to May.

Economic and political aspects

The river became an important traffic artery at the end of the 19th century because of the newly discovered rubber forests . In 1899 the city of Puerto Acre was founded (later renamed Puerto Alonso ) and in 1904 Cruzeiro do Sul was rebuilt.

In the 19th century there were border disputes between Bolivia, which according to old treaties had actually belonged since 1867, and Brazil , from which the settlement took place. When Bolivia wanted to assert its sovereign rights (appointment of authorities and collection of taxes), the inhabitants of the valley met with fierce resistance. At the end of 1899 the area of ​​the Rio Acre even declared itself an independent Republic of Acre . Only after several military expeditions did Bolivia succeed in asserting its claims. In July 1901, Bolivia signed a lease agreement with a US syndicate, which led to another revolt among the population, secretly supported by Brazil.

On November 18, 1903, Bolivia and Brazil signed the Treaty of Petrópolis , in which most of the disputed area was awarded to Brazil, which had to pay 2 million pounds sterling and to make small area compensations of 3200 km².

The largest tributaries

The largest tributaries include (downstream):

  • Xapuri (left)
  • Branco (left)
  • Riozinho do Andirá (left)
  • Antimari (left)

See also

Ponte Binacional Wilson Pinheiro

Individual evidence

  1. ↑ The length specifications vary between 640 km (400 miles) and 1190 km. Measurements in image material in Google Earth result in values ​​of almost 1000 kilometers including all meanders and values ​​of around 560 kilometers without meanders.
  2. ^ Kümmerly + Frey Rand McNally : International Atlas . Published by Georg Westermann Verlag ISBN 3-07-508962-1