By Ulrich Saint-Paul, Horacio Schneider
Mangrove ecosystems are being more and more threatened through human actions. Their biotic productiveness offers foodstuff and different assets to the human populations that inhabit or utilize them. This quantity highlights the result of a ten-year German / Brazilian study venture, known as MADAM, in a single of the most important non-stop mangrove components of the area, situated in northern Brazil. in keeping with the research of the environment dynamics, administration recommendations for the dialog and sustainable use of mangroves are offered and mentioned. past the clinical effects, this publication additionally presents guidance for the improvement of foreign cooperation projects.
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Additional resources for Mangrove Dynamics and Management in North Brazil
Presumably variations in the local conditions, particularly the high salt concentrations, may prevent a more successful and widespread establishment of mangroves (Medina et al. 2001). During the rainy season, the salt marshes become completely inundated for months. During periods of little precipitation, the Salinas dos Rochas soils dry out. Because of the high evapo-transpiration, the mineral salts create a hardpan in the upper part of the soil profile. The cracks in the soil surface indicate the presence of a 26 G.
One of the most significant agents of environmental transformation following climatic change is the RSL change. Several studies, developed along the eastern and southern Brazilian coast, have suggested RSL changes during the Holocene (Suguio et al. 1985; Martin et al. 1988; Tomazelli 1990; Angulo et al. 1999). In order to understand past environmental changes in Amazonia, such as the natural amplitude of Amazonian ecosystem dynamics, including coastal ecosystems such as mangroves, as well as Amazonian climate changes, palaeoecological and palaeoenvironmental studies are important.
Consequently, conflicts between the two types of user groups have emerged, as traditional fishers are concerned that their future yield is threatened. With their powerboats, the predatory crab collectors have now started to exploit coastal regions outside the Caete´ estuary (see also Chap. 19). 4 27 The Rural Hinterland As elsewhere in the tropics, a high proportion of adolescents characterize the population of the Braganc¸a coastal region. The 1991 census revealed that, of the 84,750 people living within the municipality of Braganc¸a, more than 63% were less than 20 years old (IBGE 2000).
Mangrove Dynamics and Management in North Brazil by Ulrich Saint-Paul, Horacio Schneider