Fish assemblages in Atlantic Forest streams: the relative influence of local and catchment environments on taxonomic and functional species

2015 ◽  
Vol 25 (4) ◽  
pp. 527-544 ◽  
Author(s):  
Bianca de F. Terra ◽  
Robert M. Hughes ◽  
Francisco G. Araújo
Keyword(s):  
Atlantic Forest ◽  
Fish Assemblages ◽  
Relative Influence ◽  
Forest Streams

scholarly journals Organization of fish assemblages in blackwater Atlantic Forest streams

2019 ◽  
Vol 17 (1) ◽  
Author(s):  
Katharina Eichbaum Esteves ◽  
Marcelo Horikoshi Candido Silva ◽  
Maressa Helena Nanini-Costa ◽  
Maria Letizia Petesse
Keyword(s):  
Atlantic Forest ◽  
Fish Community ◽  
Fish Assemblages ◽  
Species Density ◽  
Low Flow ◽  
Paulo State ◽  
River Stretch ◽  
Blackwater Rivers ◽  
Density And Biomass ◽  
Forest Streams

ABSTRACT This study aimed to determine whether fish species occupy different mesohabitats, as defined by specific criteria of substrate types in Atlantic Forest blackwater streams. We sampled fourteen coastal blackwater rivers along the coast of São Paulo State, Brazil, during the low-flow season (June-September/2016). For each stream, we selected three mesohabitat types (sand, leaf-litter and trunks) in a 100 m river stretch. We sampled 41 mesohabitats, 31 of which contained fish, resulting in 15 species. When multivariate analysis of variance (MANOVA) was applied to the mesohabitat abiotic variables, no significant differences were indicated between them. ANOSIM for species density and biomass and Redundancy Analyses (RDAs) for species density, biomass and fish community indexes showed similar patterns of community structure among mesohabitats. Nevertheless, fish biomass, diversity and richness were associated with such unique environmental features as low shading and shallow habitats. The observed dispersion among mesohabitats suggests that these communities are subject to some level of disturbance, which may affect the value of patches as refugia. Thus, the sharing of these mesohabitat patches among species may represent an opportunistic strategy to maximize the use of available resources for these low density populations living in these unique environments.

Local and landscape factors affecting tadpole diversity in subtropical Atlantic Forest streams

2019 ◽  
Vol 44 (8) ◽  
pp. 1311-1321
Author(s):  
Maria Aparecida Cristo Anciutti ◽  
Veluma Ialú Molinari De Bastiani ◽  
Jacir Dal Magro ◽  
Fabio Luiz Carasek ◽  
Ronei Baldissera ◽  
...  
Keyword(s):  
Atlantic Forest ◽  
Factors Affecting ◽  
Landscape Factors ◽  
Forest Streams

Morphological traits and vertical distribution of hyporheic chironomid larvae in Atlantic Forest streams

2019 ◽  
Vol 32 (3) ◽  
pp. 119-134
Author(s):  
Riccardo Mugnai ◽  
Arlindo Serpa-Filho ◽  
Jorge Luiz Nessimian ◽  
Adriano Brilhante Kury ◽  
Silvia Vendruscolo Milesi
Keyword(s):  
Vertical Distribution ◽  
Atlantic Forest ◽  
Morphological Traits ◽  
Chironomid Larvae ◽  
Forest Streams

Spatial ecology of the water opossum Chironectes minimus in Atlantic Forest streams

2016 ◽  
Vol 81 (5) ◽  
pp. 480-487 ◽  
Author(s):  
Melina de Souza Leite ◽  
Maron Galliez ◽  
Thiago Lopes Queiroz ◽  
Fernando A.S. Fernandez
Keyword(s):  
Atlantic Forest ◽  
Spatial Ecology ◽  
Forest Streams

scholarly journals Effects of riparian deforestation on benthic invertebrate community and leaf processing in Atlantic forest streams

2020 ◽  
Vol 18 (4) ◽  
pp. 277-282
Author(s):  
Monalisa Silva-Araújo ◽  
Eduardo F. Silva-Junior ◽  
Vinicius Neres-Lima ◽  
Rafael Feijó-Lima ◽  
Flavia Tromboni ◽  
...  
Keyword(s):  
Atlantic Forest ◽  
Benthic Invertebrate ◽  
Invertebrate Community ◽  
Leaf Processing ◽  
Benthic Invertebrate Community ◽  
Forest Streams

scholarly journals Changes in ichthyofauna composition along a gradient from clearwaters to blackwaters in coastal streams of Atlantic forest (southeastern Brazil) in relation to environmental variables

2012 ◽  
Vol 10 (3) ◽  
pp. 675-684 ◽  
Author(s):  
Cristina da Silva Gonçalves ◽  
Francisco Manoel de Souza Braga
Keyword(s):  
Atlantic Forest ◽  
Fish Assemblages ◽  
Habitat Characteristics ◽  
Southeastern Brazil ◽  
Fish Samples ◽  
Spatial Differences ◽  
Coastal Streams ◽  
Longitudinal Variations ◽  
Physical And Chemical Variables ◽  
Physical And Chemical

The lack of knowledge of the freshwater ichthyofauna of coastal streams in the State of São Paulo (Brazil) is a cause of concern, as these streams are inserted in the Atlantic forest, a hotspot highly threatened. The aim of the present study is to investigate the freshwater ichthyofauna composition of clear and blackwater streams in a preservation area of Brazilian Atlantic forest. Fish samples were taken using electrofishing. A total of 20 species were registered, with Astyanax ribeirae, Hollandichthys multifasciatus, and Mimagoniates microlepis (Characiformes, Characidae) as the more representative. In general, the observed pattern of occurrence and distribution of fish species varied according to habitat characteristics, due to the longitudinal gradient in clearwaters, and among clearwaters and blackwaters. In clearwater streams, the headwater stretches had lower species diversity, while the opposite occurred in the middle and lower sites. These longitudinal variations of ichthyofauna were related with habitat characteristics (depth, stream flow, and bottom type) in which they were found, since the diversity of habitats was higher in headwaters and lower in downstream reaches (middle and lower sites). The physical and chemical variables of water do not seem to have influenced the distribution of species in clearwater streams, but the clear and blackwater fish composition was influenced mainly by pH concentration. Unlike the spatial differences, significant temporal differences were not registered in fish assemblages, probably due to the absence of a pronounced dry season in the studied region.

A multimetric index based on benthic macroinvertebrates for evaluation of Atlantic Forest streams at Rio de Janeiro State, Brazil

Hydrobiologia ◽  
2006 ◽  
Vol 575 (1) ◽  
pp. 83-94 ◽  
Author(s):  
Darcilio F. Baptista ◽  
Daniel F. Buss ◽  
Mariana Egler ◽  
Alexandre Giovanelli ◽  
Mariana P. Silveira ◽  
...  
Keyword(s):  
Atlantic Forest ◽  
Benthic Macroinvertebrates ◽  
Rio De Janeiro ◽  
Multimetric Index ◽  
Forest Streams ◽  
Janeiro State

scholarly journals Relative influence of environmental factors and fishing on coral reef fish assemblages

2020 ◽  
Author(s):  
Eva C. McClure ◽  
Andrew S. Hoey ◽  
Katherine T. Sievers ◽  
Rene A. Abesamis ◽  
Garry R. Russ
Keyword(s):  
Coral Reef ◽  
Environmental Factors ◽  
Reef Fish ◽  
Coral Reef Fish ◽  
Fish Assemblages ◽  
Relative Influence

scholarly journals The relative influence of different landscape attributes on dung beetle communities in the Brazilian Atlantic forest

2020 ◽  
Vol 117 ◽  
pp. 106534
Author(s):  
Thamyrys B. Souza ◽  
Filipe M. França ◽  
Jos Barlow ◽  
Pavel Dodonov ◽  
Juliana S. Santos ◽  
...  
Keyword(s):  
Atlantic Forest ◽  
Dung Beetle ◽  
Relative Influence ◽  
Brazilian Atlantic Forest ◽  
Landscape Attributes
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