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|Official name||Archipel Bolama-Bijagós|
|Designated||14 January 2014|
The Bissagos Islands, also spelled Bijagós (Portuguese: Arquipélago dos Bijagós), are a group of about 88 islands and islets located in the Atlantic Ocean off the coast of the African nation of Guinea-Bissau. The archipelago was formed from the ancient delta of the Rio Geba and the Rio Grande and spans an area of 12,958 km2 (5,003 sq mi).
Only some 20 islands are populated year-round, namely Bubaque which is where the Bissagos administrative capital is situated and is the most populated island, Bolama, Carache, Caravela, Enu, Formosa, Galinhas, João Vieira, Maio, Meneque, Orango, Orangozinho, Ponta, Roxa, Rubane, Soga, Unhocomo, Uno, and Uracane.
There is a high diversity of ecosystems: mangroves with intertidal zones, palm forests, dry and semi-dry forests, secondary and degraded forests, coastal savanna, sand banks and aquatic zones. The archipelago was declared in 1996 a UNESCO Biosphere Reserve—Bolama Bissagos Biosphere Reserve, known for animals including marine turtles, hippopotamus and the southern islands are today a nature reserve.
The population is estimated at about 30,000 (2006) and the local ethnic group known as Bissago (Portuguese: Bijagó) predominates. It is a relatively youthful population due to high birth rates and low life expectancy even by African standards.
The economy is largely rural, with many families living from subsistence farming and fishing. There is some tourist activity, mostly boat charters from neighboring Senegal. Lack of infrastructure and communication links prevent the development of the islands' unique tourism potential.
The London School of Hygiene and Tropical Medicine is conducting research into infectious diseases on the islands. Because they are so isolated there is less danger of contamination of the results than in other places.
In pre-European colonial times, the islands were central to the trade along the coast of West Africa and they built up a powerful navy. In 1535, this enabled them to rout the Portuguese, who later built a fort on Bissao, which was abandoned in 1703. The islands were not formally annexed by Portugal until 1936.
Due to difficulties of communication with mainland Guinea-Bissau that persist to this day, the population has a considerable degree of autonomy and has shielded its ancestral culture from outside influence. Mostly Bidyogo (Bijago in Portuguese) is still spoken along with Portuguese and creole.
Bissagos society is Animistic and characted by age-grade progression for both men and women (separately). The grade-ascension ceremonies (generally known as "fanados") take place years apart and entail extensive preparation and ceremony.
Some authors  argue that Bijago culture tends to be matriarchal, with women managing the household, the economy, law, as well as initiating courtship (women choose their husbands and terminate the matrimony). Other sources, however, dispute this and suggest that closer examination has revealed a fundamentally patriarchal society where women, in spite of their substantial participation in material production and important roles in social, political, and religious matter, remain essentially unequal to men. A more balanced view  proposes that "traditional Bijagos society before the advent of the trans-Atlantic slave trade could be described as complementary, with males and females performing specific spiritual, political, and economic tasks divided along age and gender lines", but during the slave trade era female social status diminished. They conclude that "gender roles have once again begun to “normalize” on the islands: for example, women’s spiritual leadership and economic activities are garnering acknowledgement, support, and respect from their male counterparts" (p64).
In 2012, a study by the Bissau-Guinean Sociologist Boaventura Santy examined the social representations of the people of the island of Formosa Bijagó about possible threats from climate change. The study concluded that for "the Bijagó the natural and the social are inextricably linked, to the extent that a crisis in the social system would have negative effects" on the natural system. In particular, it was the lack of harmony between the community, ancestors and the supernatural world that was seen as causing environmental dissonance.
The Bissagos peoples produce many artifacts for daily use and ritual following a traditional iconography that is unique to their culture, but shows variations from island to island. Among the most striking Bidyogo art pieces are the portable ancestor shrines ("iran") and the zoomorphic masks representing cows ("vaca-bruta"), sharks, stingrays and, occasionally, other local animals. Traditionally-decorated artifacts are also produced for "fanado" coming-of-age ceremonies (wood masks, spears, shields, headgear, bracelets), daily activities (fishing, agriculture) and personal use (stools, basketry, foodware). Its unique aesthetics make Bidyogo art easily distinctive from other African tribal arts.
- Benkos Biohó, Former African king who was shipped to Cartagena, Colombia during the slave trade but managed to escape and found the maroon village known as San Basilio de Palenque.
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- TVEDTEN, Inge The Difficult Transition from Subsistence to Commercial Fishing. The Case of the Bijagbs of Guinea-Bissau. Pages 129 to 130 In VAN GINKEL, Rob and VERRIPS, Jojada (editors) MAST (Maritime Anthropological Studies) Vol. 3, No. 1 1990 Krips Repro, Meppel, The Netherlands.