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Spatial and temporal distribution in density and biomass of two Pseudodiaptomus species (Copepoda: Calanoida) in the Caeté river estuary (Amazon region--North of Brazil).

The results showed that the contribution of P. richardi for the secondary production in the Caeté River Estuary is more important in the limnetic zone than in other zones where euhaline-polyhaline regimes were predominant.
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Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil.

The density values, ecological indexes and copepod species dominance presented a clear seasonal pattern, showing that the studied area may be considered seasonally heterogeneous in relation to the investigated parameters.
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Illegal trade on non-native amphibians and reptiles in southeast Brazil: the status of e-commerce

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Establishment of non-native guppy Poecilia reticulata (Peters, 1859) (Cyprinodontiformes: Poeciliidae) in an Municipal Park located in Minas Gerais State, Brazil

Of the five stages of biological invasion, the ornamental non-native guppy Poecilia reticulata was at least in the stage three: establishment through reproduction and recruitment.

Seasonal and short-term variations in the copepod community of a shallow Amazon estuary (Taperaçu, Northern Brazil)

Magalhaes, A., Nobre, D.S.B., Bessa, R.S.C., Pereira, L.C.C. and Costa, R.M. da, 2011. Seasonal and short-term variations in the copepod community of a shallow Amazon estuary (Taperacu Estuary,…

Reproduction of a South American population of pumpkinseed sunfish Lepomis gibbosus (Linnaeus) (Osteichthyes, Centrarchidae): a comparison with the European and North American populations

The microscopic analyses indicated that the pumpkinseed sunfish presents multiple spawning, and the spawning season of the Brazilian population was the longest among all comparisons made in the present work.
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Recreational carrying capacity of an Amazon macrotidal beach during vacation periods

ABSTRACT Pessoa, R.M.C., Pereira, L.C.C., Sousa, R.C., Magalhães, A., and da Costa, R.M., 2013. Recreational Carrying Capacity of an Amazon Macrotidal Beach During Vacation Periods. Ajuruteua is one…
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The role of women in the mangrove crab (Ucides cordatus, Ocypodidae) production process in North Brazil (Amazon region, Pará)

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Relationships between copepod community structure, rainfall regimes, and hydrological variables in a tropical mangrove estuary (Amazon coast, Brazil)

Abstract The influence of rainfall and hydrological variables on the abundance and diversity of the copepod community was investigated on a monthly basis over an annual cycle in the Taperaçu mangrove…
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Natural and anthropogenic processes on the recreational activities in urban Amazon beaches

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