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The Subtropical Estuarine Complex of Paranaguá Bay, Brazil
Paranagua Bay, on the coast of Parana State in southeastern Brazil (48°25′W, 25°30′S), is part of a large interconnected subtropical estuarine system that includes the Iguape-Cananeia Bay system onExpand
Influence of Spartina alterniflora on structure and temporal variability of macrobenthic associations in a tidal flat of Paranagua Bay (southeastern Brazil)
The results suggest that much of the spatial and temporal structure of macrobenthic associations in euhaline, high-energy flats of a subtropical estuary depends on the presence of plant cover, together with seasonal fluctuations in detrital input and predation pressure, and knowledge of the interaction between plant cover and time is a prerequisite for useful data interpretation or hypotheses formulation in such environments. Expand
Intertidal zonation of benthic macrofauna in a subtropical salt marsh and nearby unvegetated flat (SE, Brazil)
Intertidal zonation and seasonal variability of benthic macrofaunawere analysed along a Spartina alterniflora marshand nearby unvegetated flat in a subtropical bay and an eruptivealgal growth during summer affected positively most of the dominantspecies. Expand
Seagrass and Submerged Aquatic Vegetation (VAS) Habitats off the Coast of Brazil: state of knowledge, conservation and main threats
Seagrass meadows are among the most threatened ecosystems on earth, raising concerns about the equilibrium of coastal ecosystems and the sustainability of local fisheries. The present reviewExpand
Laonice (Annelida: Spionidae) from South and Central America
The loss of neuropodial sabre chaetae and hooks until a certain size in terms of numbers of adult chaetigers is here used for the first time as a specific character with Laonice species. Expand
Spatial variability of three benthic indices for marine quality assessment in a subtropical estuary of Southern Brazil.
A congruence test to real-world data of the widely used indices AMBI, M-AMBI and BENTIX in tidal flats of a subtropical estuary finds a low degree of similarity among indices as an expression of the spatial variation of macrofaunal assemblages on their performances. Expand
Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
Four Polydora species boring into oyster shells in South America are described based on museumand new material collected mainly in Brazil. These include P. cf. haswelli newly recorded for SouthExpand
Phylogenetic relationships within the Terebellidae (Polychaeta : Terebellida) based on morphological characters
The phylogenetic relationships of terebellid genera were studied using a morphology-based parsimony analysis of 94 species, with members of the Ampharetidae and Alvinellidae as outgroups. Expand
Phylogenetic relationships within Nereididae (Annelida : Phyllodocida)
High degrees of homoplasy were found for several features that are traditionally applied to delineate subgroups of Nereididae, including the presence of paragnaths and the distribution of different kinds of chaetae. Expand
Decomposition of Rhizophora mangle, Avicennia schaueriana and Laguncularia racemosa Leaves in a Mangrove of Paranaguá Bay (Southeastern Brazil)
Decomposition rates at the study site, much faster than many others reported for tropical or subtropical regions, were probably accelerated by the presence of an active grazing macrofauna. Expand