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Floods increase similarity among aquatic habitats in river-floodplain systems
During low water levels, habitats in river-floodplain systems are isolated from each other and from the main river. Oppositely, floods tend to connect water bodies with distinct hydrological…
Brazilian wetlands: their definition, delineation, and classification for research, sustainable management, and protection
Although 20% of Brazilian territory is covered by wetlands, wetland inventories are still incomplete. In 1993, Brazil signed the Ramsar Convention but a coherent national policy for the sustainable…
Neotropical coastal lagoons: an appraisal of their biodiversity, functioning, threats and conservation management.
- F. A. Esteves, A. Caliman, J. Santangelo, R. D. Guariento, V. Farjalla, R. Bozelli
- Environmental ScienceBrazilian journal of biology = Revista brasleira…
- 1 November 2008
It is argued that interdisciplinary conservation strategies, which integrate scientific expertise, government officials, private companies and the general public, are the most likely to overcome the geographic and economic obstacles to NCL conservation.
Ecological determinism increases with organism size.
It is concluded that a key niche process, habitat filtering, strengthened with organism size, possibly because larger organisms are both less plastic in their fundamental niches and more able to be selective in dispersal.
Assessing the indicator properties of zooplankton assemblages to disturbance gradients by canonical correspondence analysis
The rotifer genus Brachionus proved to be a better indicator organism for these environmental gradients of trophic state and marine influence caused by anthropogenic impact than the entire zooplankton assemblage.
Natural dissolved humic substances increase the lifespan and promote transgenerational resistance to salt stress in the cladoceran Moina macrocopa
- A. L. Suhett, C. Steinberg, J. Santangelo, R. Bozelli, V. Farjalla
- Environmental ScienceEnvironmental science and pollution research…
- 8 February 2011
HS at environmentally realistic concentrations, by acting as mild chemical stressors, modify crucial life-history traits of M. macrocopa, favoring its persistence in fluctuating environments.
Correlates of Zooplankton Beta Diversity in Tropical Lake Systems
It is suggested that faunal exchange and disturbance play important roles in structuring local zooplankton communities by facilitating dispersal between habitats.
Influence of Hydrological Pulse on Bacterial Growth and DOC Uptake in a Clear-Water Amazonian Lake
- V. Farjalla, D. Azevedo, F. Esteves, R. Bozelli, F. Roland, A. Enrich-Prast
- Environmental ScienceMicrobial Ecology
- 12 May 2006
It is concluded that bacterial growth and DOC uptake vary throughout the flood pulse in clear-water Amazonian ecosystems as a result of changes in nutrient concentration and in DOC composition.
Composition of the zooplankton community of Batata and Mussurá Lakes and of the Trombetas River, State of Pará, Brazil
- R. Bozelli
- Environmental Science
- 1 December 1992
This research represents an evaluation of the patterns of variation in the composition of the zooplankton community in the region of Porto Trombetas, State of Pará, Brazil. In all, 15 sampling…
Zooplankton community density in relation to water level fluctuations and inorganic turbidity in an Amazonian lake, "Lago Batata", State of Pará, Brazil
- R. Bozelli
- Environmental Science
- 1 December 1994
This research concems the pattems of variations in the zooplankton community density in Batata Lake, State of Pará, Braztl. Four collections were made during one year at distinct phases of the…