By Harald Sioli (auth.), Harald Sioli (eds.)
The Amazon -that identify used to be given to the most important river on the earth and is frequently used for the entire zone of its basin too. This countryside is presently often called Amazonia, therefore emphasizing the abnormal personality of its aquatic and terrestrial reaches. The Amazon embodied the dream of many a naturalist to discover what for a very long time was once a terra incognita. in recent times, besides the fact that, Amazonia has emerged as a major centre for 'development' through many of the international locations within which it lies and via overseas industrialized international locations. the improvement tasks and firms have aroused woridwide curiosity and feature given upward push to discussions on their goals and their results to the Amazonian nature. Limnological and ecological investigations in Amazonia began basically approximately forty years in the past. The editor had the great fortune to partake in them from the very starting. He spent his decisive years in Amazonia, and committed his life's paintings to that examine and to that kingdom and the Amazonian humans. Nearing the tip of his scicntific actions, hc is gratcful to bc ablc to summarizc during this booklet many of the wisdom we own at this time of Amazonian limnology and panorama ecology.
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Additional info for The Amazon: Limnology and landscape ecology of a mighty tropical river and its basin
The large manganese deposits ofthe Serra do Navio in Amapa were diseovered and prospected by the German geologist Ackermann during World War II. The 28 individual deposits had more than 50 million t of high-yielding ores (40% Mn). In 1956, a 214 km railroad was buiIt through the thick rainforest, from the mines to Macapa, and an average production of 1 million t/a was exported. The rieh manganese ores are of hypergenic origin. formed under lateritic weathering of 38 primary Mn-silicates and Mn-carbonates occurring in Precambrian metasediments.
1966. Pesquisas minerais no Estado do Pani. DNPM, DGM, Rio de Janeiro, bol. 44 pp. , & S. Frizzo, 1980. Mineraliza<;öes de sulfetos de metais-base na regiäo de Alenquer, Pani. In: Ann. 31 Congr. Bras. GeoJ.. Camhoriu. 3: 1674--1684. Pessoa. R.. S. Pinheiro & E. Camozzato. 1980.
Montreal, Sect. 3: 339-346. Amaral, S" 1955. Sedimentologia e geologia das camadas perfuradas na regiäo da foz do Rio Amazonas. Univ. S. Paulo, Fac. Fil. , S. Paulo, bol. 192 (Geol. 12),93 pp. , & R. Dyer, 1974. Manganese occurrences in the Itacaiunas river basin, southern Amazon region. Brazil. In: Sympos. JAGOD, Warna. 385-386. Andrade. F. de. 1<)f\O. Depositns de ouro na regiäo Tapaj6s-Sucunduri. In: Ann. 31 Congr. Bras. Geol" Camboriti, 3: 1323-1334. Anonymus, 1<)74. Oueda mucho pm hacer en la cuenca.
The Amazon: Limnology and landscape ecology of a mighty tropical river and its basin by Harald Sioli (auth.), Harald Sioli (eds.)