Results 51 to 60 of about 449,137 (207)

Prospecção hidrobiológica da Baía de Sepetiba Color and transparence of waters of Sepetiba Bay, in Rio de Janeiro State

open access: yesMemorias do Instituto Oswaldo Cruz, 1971
Côr das águas de Sepetiba; as pròpriamente marítimas, pela Escala de Forel e as outras côres aparentes totais feitas por comparação com escalas de SÉGUY e com o Dicionário de Côres de MAERZ & PAUL, 1950.
Lejeune P. H. de Oliveira
doaj   +1 more source

Eutrophication triggers diel and seasonal shifts of carbon dioxide and oxygen in tropical urban coastal waters

open access: yesLimnology and Oceanography Letters, Volume 10, Issue 3, Page 329-339, June 2025.
Abstract Coastal waters play a pivotal role in the global carbon cycle, showing increased short‐term variability of dissolved oxygen saturation (DOsat) and partial pressure of greenhouse gases like carbon dioxide (pCO2), especially in underrepresented tropical eutrophic environments.
Tainan da Fonseca Fernandes   +8 more
wiley   +1 more source

Evaluation of Guanabara Bay Fishes Exposition to Polycyclic Aromatic Hydrocarbons

open access: yes, 2010
The aim of this work was to evaluate the PAHs contamination in muscular tissue and bile of Mugil liza fishes from Guanabara Bay. The Guanabara Bay is an estuarine ecosystem with high anthropogenic influence which receives chronic pollution from Rio de ...
Araújo, Liliane Pequeno de
core   +1 more source

Assessing conservation priorities for seahorses in Brazil reveals gaps in current protected areas

open access: yesConservation Science and Practice, Volume 7, Issue 6, June 2025.
Abstract Seahorses are rare and threatened marine species facing increasing risks from habitat degradation and overexploitation. Understanding their distribution is critical for effective conservation planning, yet comprehensive studies are limited, including in Brazil. This study aimed to conduct a gap analysis and identify priority areas for seahorse
Anna Karolina Martins Borges   +3 more
wiley   +1 more source

Bay Briefings - Public Health [PDF]

open access: yes, 2006
1 page; available for download at the link below.Galveston Bay is one of the nation's most productive estuaries. It is estimated that seafood production generates an estimated $3.1 billion annually to our region's economy.
Galveston Bay Estuary Program
core   +1 more source

Seasonal variation in fish larvae at the entrance of Guanabara Bay, Brazil [PDF]

open access: yesBrazilian Archives of Biology and Technology, 2005
Studies were carried out to find out qualitative and quantitative temporal variations in fish larvae to relate seasonal, diurnal and tidal cycles to the density of larvae. Sampling was performed at one station, during two three-day periods in September 1995 and March 1996. Samples were collected during ebb and flood tides,in oblique hauls using a bongo
Castro, Marcia S. de   +2 more
openaire   +4 more sources

BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series

open access: yesGlobal Ecology and Biogeography, Volume 34, Issue 5, May 2025.
ABSTRACT Motivation Here, we make available a second version of the BioTIME database, which compiles records of abundance estimates for species in sample events of ecological assemblages through time. The updated version expands version 1.0 of the database by doubling the number of studies and includes substantial additional curation to the taxonomic ...
Maria Dornelas   +484 more
wiley   +1 more source

Assessing Fish Community Structure and Diversity Across Environmental Gradients in a Tropical Bay

open access: yesMarine Ecology, Volume 46, Issue 2, March 2025.
ABSTRACT Understanding the relationship between species distribution and the environment across spatial gradients is crucial for biodiversity evaluation. We surveyed fish populations in a tropical bay, covering a spatial gradient from the outer zone with favorable marine conditions to the inner zone affected by human activities.
Leonardo Almeida Freitas   +1 more
wiley   +1 more source

Villegagnon & Cook: tupinambá e havaiano Villegagnon & Cook: tupinamba and hawaiian

open access: yesHistória, 2008
Trata-se de propor uma simetria entre ao que ocorreu na Baía de Guanabara, no século XVI, entre Tupinambá e franceses e na Baía de Kealakakua, no século XVIII, entre havaianos e ingleses, levando em consideração a dinâmica dos mal-entendidos.
Christina Osward
doaj   +1 more source

A Tropical Cuauhtemoc: Celebrating the Cosmic Race at the Guanabara Bay

open access: yesAnales del Instituto de Investigaciones Estéticas, 1994
The paper analyzes José Vasconcelos’ participation before the Mexican delegation in the International Fair in Rio de Janeiro in 1922. In particular, it focuses on the manner in which Vasconcelos’ ideas regarding the cosmic race were transformed into acts and objects.
openaire   +3 more sources

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