Results 41 to 50 of about 747 (136)

Stable Isotope Analysis (δ13C and δ15N) of Baleen Plates Reveals Feeding Patterns in Stranded Humpback Whales (Megaptera novaeangliae) Along the Brazilian Coast

open access: yesMarine Mammal Science, Volume 42, Issue 3, July 2026.
ABSTRACT Humpback whales (Megaptera novaeangliae) from breeding stock A migrate annually between Antarctic feeding grounds (~65° S) and Brazilian breeding areas (~17° S). Traditionally considered to fast during migration, recent feeding observations and increased strandings along southeastern Brazil (~23° S) raise questions about possible shifts in ...
Daniel Fonseca Zappa   +8 more
wiley   +1 more source

The meiofauna asssociated whith Sargassum cymosum at Lázaro Beach, Ubatuba, São Paulo

open access: yesBrazilian Journal of Oceanography, 2000
In this study, the meiofauna associated with Sargassum cymosum was qualitatively and quantitatively analyzed between December 1990 and July 1991. Sampling was carried out on a moderately exposed shore at Lázaro Beach, Ubatuba (32°S - 45°W). Each alga was
Rita R. Curvelo, Thais N. Corbisier
doaj   +1 more source

Blubber Cellular Integrity Through Decomposition and Its Implication for Histological Applications: A Study of Stranded Stock A Humpback Whales (Megaptera novaeangliae)

open access: yesMarine Mammal Science, Volume 42, Issue 3, July 2026.
ABSTRACT Marine mammal strandings can provide unique and valuable insights into individual and population health, ranging from infectious diseases to anthropogenic threats. However, the level of decomposition of carcasses can interfere with the assessment of important indicators, such as an individual's nutritional status.
Lara Bennati‐Madureira   +8 more
wiley   +1 more source

Concentração da riqueza e crescimento econômico no Litoral Norte paulista (1778-1836)

open access: yesEstudos Sociedade e Agricultura, 2013
As vilas de São Sebastião e Ubatuba, no Litoral Norte do Estado de São Paulo, têm condições geográficas similares e suas histórias são parecidas em termos gerais.
Rogério Cordeiro Fernandes
doaj  

Religião como tradução: a tese de Maria Cristina Pompa, a cultura caiçara e a Festa do Divino Espírito Santo em Ubatuba

open access: yesCadernos Cajuína
Este artigo analisa a tese de doutorado de Maria Cristina Pompa, Religião como Tradução: Missionários, Tupi e ‘Tapuia’ no Brasil Colonial (UNICAMP, 2001), como chave interpretativa para compreender a Festa do Divino Espírito Santo em Ubatuba, litoral ...
Isamara Gouvêa
doaj   +1 more source

Formulation and Characterization of Fucoidan‐Based Hydrogels for 3D Printing Applications

open access: yesJournal of Food Process Engineering, Volume 49, Issue 6, June 2026.
Algal polysaccharide‐based hydrogels combining fucoidan, sodium alginate, and agar showed suitable rheological and structural properties for extrusion‐based 3D printing. The formulation containing equal concentrations of alginate and agar exhibited superior printability, structural stability, and printing fidelity.
Natalie Stephanie Sawada Nunes   +8 more
wiley   +1 more source

Can commercial aquafeeds improve the nutritional value of brine shrimp? Proximal composition and lipid profile of alternative enhancers

open access: yesBoletim do Instituto de Pesca
Artemia, commonly known as brine shrimp, holds a significant role as live prey in ornamental and commercial fish aquaculture. This study addressed the nutritional deficiency in adult Artemia biomass, exploring alternative enrichers available in Brazil ...
Bruna Maganhe, Eduardo Gomes Sanches
doaj   +1 more source

American manatees adjust their diet composition and trophic niche breadth across different coastal regions

open access: yesLimnology and Oceanography Letters, Volume 11, Issue 3, May 2026.
Abstract Marine mammals can exhibit high plasticity in foraging strategies, but how such plasticity is driven by environmental conditions is poorly understood. The American manatee (Trichechus manatus), a large, endangered herbivore, inhabits marine, estuarine, and freshwater environments.
Camila Carvalho de Carvalho   +13 more
wiley   +1 more source

Hematological parameters in shortnose guitarfish Zapteryx brevirostris Müller and Henle, 1841 (Chondrichthyes, Rhinobatidae)

open access: yesRevista Mvz Cordoba, 2016
Objective. In view of the deficiency of information in the area of clinical pathology of elasmobranchs, mainly of the physiological parameters, the aim of this work was to study hematological parameters of the Zapteryx brevirostris species. Materials and
Nathalia Barreto B   +3 more
doaj   +1 more source

Male Alloparental Care in Franciscana Dolphins (Pontoporia blainvillei)

open access: yes
Marine Mammal Science, Volume 42, Issue 4, October 2026.
Marcos César de Oliveira Santos   +6 more
wiley   +1 more source

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