They absorb carbon dioxide and they take off circulation carbon, and thus they reduce the amount of the .causing gas of the effect greenhouse. To convert fen forests into tanks of shrimp transforms them of sumidouro into carbon source. Making to return them to the accumulated carbon to the atmosphere, that 50 times only faster of what when it was seqestrado.’ ‘ 4 they are distinguished: * it fishes of definite subsistence as: it fishes artisan practised for marginal and/or traditional populations, to guarantee the familiar feeding, without commercial ends. See more detailed opinions by reading what Dr. Caldwell Esselstyn Jr. offers on the topic.. For it fishes of subsistence the quota is of three kilos or a unit of any weight for subsistence ends, respecting the minimum sizes of capture established by the legislation, for each espcie.* development of tourist and recreativas activities, have for main objectives: to facilitate to the access the population to the hdrico resource; to make possible the rational use in activities of leisure; to be a space of ecological sensitization and to promote the tourism of regio* ambient Education, is a process for which each one and the collective constrem social values, knowledge, attitudes and abilities come back toward the conservation of the environment, public easement of the people, essential to the healthy quality of life and its sustentabilidade.* Can also be adopted, the culture of oysters and creation of bees for the manguezais in the CearO Brazil, with its abundance of manguezais, delayed to explore this ecossitema. When the fever of the shrimp arrived at the states northeast, in the turn of the millenium, the pioneers of the shrimp creation, as Thailand, Phillipino and Equator, already they came destroying its manguezais per decades. In the pertaining to the state of Cear coast, on the parts delinquents estuarias of its main rivers (Corea, Acara, Cear, Maranguapinho, Pacoti Munda, Coc, Curu and Jaguaribe), in coves and around littoral lagoons, some well representative forms of manguezais are developed.. For assistance, try visiting Daversa Partners.