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Amazonia rainforest fires : a lacustrine record of 7000 years
Although human influence dominates present-day Amazonian rainforest fires, old charcoal fragments, buried in the soils or in lacustrine sediments, confirm that fire has played a major role in theExpand
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Evolutionary study of the freshwater sponge genus Metania GRAY, 1867: III. Metaniidae, new family
The gondwanic genus Metania GRAY, 1867 of freshwatet sponges is redefined in this, the third paper of a Jrie, concein"d with a revision of the Neotropical species of this genus. Newly detectedExpand
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Holocene fires in East Amazonia (Carajás), new evidences, chronology and relation with paleoclimate
Abstract Past studies have evidenced the presence of charcoal in soils and lacustrine sediments of Amazonia region and suggested occurrences of widespread fires during the Middle Holocene. However,Expand
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The freshwater sponges in some peat-bog ponds in Brazil
A freshwater sponge community composed of five South American species is described. They inhabit forest peat-bog ponds recently studied in northem and southeastem Brazil. Spongillite depositsExpand
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Renewed study of the type material of Palaeospongilla chubutensis Ott and Volkheimer (1972)
The first fossilized gemmule-bearing freshwater sponge was described by Ott and Volkheimer (1972) from the Patagonian Lower Cretaceous (Aptian) at the Chubut River valley, in Argentina. However, anExpand
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Sponge Spicules in Sediments Indicate Evolution of Coastal Freshwater Bodies.
Freshwater sponges siliceous spicules found in sediments have proved to be good indicators of environmental processes. Taxonomy of the present fauna, which has been shown to reach Pleistocene age, isExpand
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Pachyrotula , a new genus of freshwater sponges from New Caledonia (Porifera: Spongillidae)
--eharacteristics found during a review of the type material of Spongilla (StratospongiLIa) raceki ~iitzler from New Caledonia point to a new, monotypic genus, Pachyrotula. This new genus is closelyExpand
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