Lago de Josephina

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Lago de Josephina
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Lago de Josefina, Cuenca, Ecuador
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The Pantanal

• 140,000 km2 of seasonally inundated floodplain
• West Central Brazil, Bolivia, Paraguay

• Ecological sub-regions

- river corridors
- gallery forests
- perennial wetlands and lakes
- seasonally inundated grasslands
- terrestrial forests

• Flora influenced by

- cerrado (central Brazil)
- chaco (Bolivia, Paraguay)
- Amazon
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Stage (cm)
Paraguay River at Ladario Recorded seasonal max
and min stages
Source Ponce 1995
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Caiman yacare
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Capped Heron Pilherodius pileatus
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Southern Screamer Chauna torquata
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Jabiru Jabiru mycteria
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Turquoise-fronted Parrot Amazona a. aestiva
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Hyacinth Macaw Anodorhynchus hyacinthinus
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White-faced Capuchin Cebus capucinus (not in
Pantanal)
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Piranha Serrasalmus spiropleura
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Water hyacinth Eichhornia crassipes
Giant water lily Victoria amazonica
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Rooted water hyacinth Eichhornia azurea
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Cambara Vochysia divergens
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Environmental Threats in the Pantanal

• Agricultural development
• Mining
• Urban waste
• Navigation projects
• Poaching
• Tourism growth

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Venha conhecer o maior e melhor hotel do Pantanal!
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Paraguay-Paraná Hidrovía

• Would make the 3,440 km Paraguay-Paraná river
  system navigable year-round from Nueva Palmira
  (Uruguay) to Cáceres (Brazil).
• Would improve or construct the infrastructure
  needed to service the increased shipping capacity.

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Timeline

• A channelized waterway into the heart of South
  America is an old idea and the Paraguay-Paraná
  have been navigated for many decades.
• Late 1980s Intergovernmental Committee on the
  Hidrovía created to oversee the development of
  this waterway.
• 1990 Publication of an economic feasibility
  study.
• 1995-1997 Engineering, economic, and
  environmental assessments of the proposed
  project.
• 1990s Cost-benefit disputes.
• 1998 Brazil halts plans for construction
  activities along the Brazilian portion of the
  waterway.

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Channelized system
Source South Florida Water Management District
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Sources Schaller (1983), Hamilton (1999),
Gottgens (unpubl.)
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Flooded area (km2) at low water
Lateral Flood Pulse
Data from Hamilton, 1999
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Monthly distributions of annual flood peaks
Longitudinal Flood Pulse
Source Ponce (1995)
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Economic benefits
Environmental benefits
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