Results 31 to 40 of about 901 (182)

Stock assessment of the peacock bass Cichla temensis (Humboldt, 1821), an important fishing resource from the middle Negro river, Amazonas, Brazil [PDF]

open access: yesBrazilian Journal of Biology
Peacock bass Cichla temensis is an important species at the Amazon basin, since commercial, subsistence and recreational fisheries simultaneously exploit it.
C. P. Campos   +2 more
doaj   +2 more sources

Impacts of river fragmentation on limiting individual dietary specialization of Amazonian predatory fish [PDF]

open access: yesPeerJ, 2022
Individual dietary specialization is one of the factors that promotes variation in resource use at the individual level. Here we used stable isotope analysis of multiple tissues with different turnover rates to examine the degree of individual ...
Jamerson Aguiar-Santos   +3 more
doaj   +2 more sources

Discrimination of species and populations of the genus Cichla (Cichliformes: Cichlidae) in rivers of the Amazon basin using otolithic morphometry

open access: yesNeotropical Ichthyology, 2021
The genus Cichla is a highly diverse group, with 16 species already described. Externally, some species are very similar and discriminating between them may be very difficult.
Marcos A. Mereles   +5 more
doaj   +1 more source

Peacock bass impacts reference list

open access: yes, 2022
Dataset listing the main references that report impacts and consequences of the introduction of peacock basses (genus Cichla). A group of Amazonian fish that has been introduced worldwide. 
Ana Clara Sampaio Franco (9359963)   +2 more
core   +1 more source

Inventory reveals non-native species and variation in spatial-temporal dynamics of fish community in a Brazilian protected area [PDF]

open access: yesBrazilian Journal of Biology, 2023
The increase in the number of Brazilian protected areas has been progressive and, although it is essential for the conservation of biodiversity, it is important to monitor and properly manage these areas, as they present several cases of biological ...
T. G. R. Monroe   +5 more
doaj   +1 more source

Freshwater sport fishing: characterization of operations in the middle Negro River, Amazonas, Brazil

open access: yesBoletim do Instituto de Pesca, 2023
The present study aimed to characterize the sport fishing that occurs in the middle Negro River region. The data collection was carried out with the application of semi-structured questionnaires to sport fishing operators and sport fishers.
Chiara Lubich   +2 more
doaj   +1 more source

Fish fauna of the Pandeiros River, a region of environmental protection for fish species in Minas Gerais state, Brazil [PDF]

open access: yesCheck List, 2015
The Area of Environmental Protection of the Pandeiros River is the largest unit for sustainable use in Minas Gerais state, Brazil. The Pandeiros Wetland in the lower part of this river is considered a nursery for most migratory fish species of the São ...
Udson Santos   +3 more
doaj   +3 more sources

The Coloniality of Data: Police Databases and the Rationalization of Surveillance from Colonial Vietnam to the Modern Carceral State

open access: yesThe British Journal of Sociology, EarlyView.
ABSTRACT Tracing the early adoption of computer gang databases by the Los Angeles County Sheriff's Department and the Los Angeles Police Department in the 1980s to the deployment of computationally‐assisted surveillance during the Vietnam War, this paper uses a genealogical approach to compare surveillance technologies developed across the arc of ...
Christina Hughes
wiley   +1 more source

Artisanal fisheries of the Xingu River basin in Brazilian Amazon [PDF]

open access: yesBrazilian Journal of Biology, 2015
The present study characterises the commercial fisheries of the basin of the Xingu River, a major tributary of the Amazon River, between the towns of Gurupá (at the mouth of the Amazon) and São Félix do Xingu.
VJ. Isaac   +3 more
doaj   +3 more sources

High trophic niche overlap between sympatric peacock basses (Cichliformes: Cichlidae: Cichla): Concordant findings from three dietary analysis methods

open access: yesJournal of Fish Biology, EarlyView.
Abstract Dietary analysis has contributed to our understanding of animal niches, interspecific interactions, community structure and the flow of matter and energy in food webs. We employed three methods of dietary analysis to estimate trophic niche overlap between two peacock bass species, Cichla cataractae and Cichla ocellaris, across sympatric ...
Benton L. Fry   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy