Guinea-Bissau

África

Guinea-Bissau is a low-lying country, cut about by estuaries and covered by one of the most extensive mangrove systems in West Africa. Its most singular feature is the Bijagós archipelago, eighty-eight islands and islets of sedimentary origin, most of them uninhabited, declared a biosphere reserve. Its shallows, palm groves and coastal forests sustain African manatees, crocodiles, otters and an extraordinary birdlife of migratory waders that winter there after crossing from Europe. On the mainland, the rainforests of Cantanhez keep western chimpanzees at the northern limit of their range, as well as colobus and Campbell's monkeys. The sandy beaches of the southern islands are green turtle nesting grounds of continental importance, and the waters of the archipelago hold dolphins and coastal sharks.

The nature of Guinea-Bissau

National animal: No official national animal

Did you know?

In Orango national park, in the Bijagós, lives a population of hippopotamuses that has adapted to salt water: they swim across the channels between islands, submerge in the sea and then feed on the grasslands and rice fields inland. They are one of the very few documented cases in the world of hippopotamuses making regular use of a marine environment.

Biodiversity profile

Africa Occidental26,4% del territorio nacional protegido mediante 8 parques costeros, marinos y terrestres, uno de los porcentajes mas altos de Africa Occidental

Climate

  • Tropical con estacion seca (Aw/Am), humedo en la costa y el archipielago de Bijagos

Main biomes

  • Manglares (9,4% del territorio, el pais con mayor proporcion de manglares del mundo respecto a su superficie, y segundo en extension total africana tras Nigeria)
  • Sabana guineana
  • Bosque de galeria
  • Manglar atlántico
  • Archipiélago sedimentario
  • Bosque húmedo costero
  • Palmeral
  • Bajío mareal
  • Playa de puesta de tortugas
  • Sabana arbolada

Marine and coastal ecosystems

  • Archipielago de Bijagos (Reserva de la Biosfera UNESCO), con la isla de Poilao como mayor sitio de anidacion de tortuga verde de Africa Occidental y tercero del Atlantico
  • Delta y estuarios del rio Cacheu y Geba

Flagship wildlife

Notable endemic species

  • Aprox. 250 especies de aves registradas en el Parque Nacional de los Manglares del Rio Cacheu, mayor bosque de manglar continuo de Africa Occidental

Notable threatened species

  • Delfin jorobado del Atlantico (En Peligro Critico, presente en los estuarios de Cacheu y Cantanhez)
  • Hipopotamo de la poblacion marina de Bijagos (unica de su tipo en el mundo, muy vulnerable)
  • Tortuga verde (anidacion masiva pero vulnerable a la caza de huevos)

Notable protected areas

  • Reserva de la Biosfera del Archipielago de Bijagos (UNESCO)
  • Parque Nacional de los Manglares del Rio Cacheu (mayor bosque de manglar de Africa Occidental)
  • Parque Nacional de Cantanhez
  • Parque Nacional de Orango
  • Parque Nacional Marino de João Vieira-Poilão
  • Reserva de la Biosfera de los Bijagós
  • Parque Natural de las Lagunas de Cufada
  • Parque Natural de Tarrafes de Cacheu

Main conservation threats

  • Conversion de manglares a arrozales, aunque el cambio climatico y socioeconomico deja hoy muchas de esas parcelas abandonadas y restaurables
  • Proyectos activos de restauracion ecologica comunitaria de manglares (2.600 ha restauradas hasta la fecha)

Notable natural phenomena

  • La poblacion de hipopotamos de agua salada de Bijagos es unica documentada en el mundo, un fenomeno de adaptacion ecologica excepcional

Conservation

The island of Poilão holds one of the largest green turtle nesting colonies in Africa and is also protected by traditional Bijagó prohibitions. Foreign industrial fishing and mangrove felling are the main pressures.

Where and when to watch wildlife

Orango in the dry season for hippopotamuses and waterbirds. Poilão between July and October for turtle nesting, with very restricted access. Cantanhez at dawn for chimpanzees.

Sources: Bio Guinea - Biodiversity in Guinea Bissau | Mongabay - Healing mangroves Guinea-Bissau | CBD - Guinea-Bissau Fifth National Report

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Based on what we already know about Guinea-Bissau.