Please use this identifier to cite or link to this item: https://repositorio.inpa.gov.br/handle/1/19029
Title: Freshwater sponges as indicators of floodplain lake environments and of river rocky bottoms in Central Amazonia
Authors: Batista, Twiggy Cristina Alves
Volkmer-Ribeiro, Cecília
Darwich, Assad José
Alves, Luiz Fernando
Keywords: Bioindicator
Flooding
Floodplain
Sponge
Araguaia Basin
South America
Porifera
Spongillidae
Issue Date: 2002
metadata.dc.publisher.journal: Amazoniana
metadata.dc.relation.ispartof: Volume 17, Número 3-4, Pags. 525-549
Abstract: Two complementary surveys were carried out in the same area of the Araguaia River Basin, Central Amazonia, Brazil: one of sponges in the low water, the other of the water quality in the dry and the high water. Two environments were selected for the sponge survey: an exposed rocky bottom stretch of the river and several nearby várzea lakes. This revealed seasonal sponge assemblages characteristic of each of the two habitats. The high water parameters detected in the river and várzea lakes come out now as the ones which set the first ecological frame for this seasonal fauna and are required for gemular eclosion and growth.
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