Results 31 to 40 of about 123 (94)

To multicellularity and back again: Description of two new coccoid genera (Portococcus gen. nov. and Pseudanabaenococcus gen. nov.) in the basal “filamentous” order Pseudanabaenales, Cyanobacteria

open access: yesJournal of Phycology, Volume 62, Issue 1, Page 234-255, February 2026.
Abstract Despite recent efforts in taxonomic revision of phylogenetically basal photosynthetic cyanobacteria, cryptic diversity and recurrence of simple plesiomorphic morphotypes has continued to appear in phylogenies with poorly characterized “Synechococcus” and “Pseudanabaena” strains.
Otakar Strunecký   +9 more
wiley   +1 more source

Period of the day drives distinctions in the taxonomic and functional structures of reef fish assemblages

open access: yesJournal of Fish Biology, Volume 108, Issue 1, Page 103-117, January 2026.
Abstract Circadian processes are key drivers of animal behaviour, influencing patterns of activity, resource partitioning and competition avoidance. Studies evaluating circadian changes on the structure of marine assemblages are lacking, especially for reef fish.
Marcos B. Lucena   +3 more
wiley   +1 more source

Potencial de sequestro do dióxido de carbono na biomassa de macroalga Kappaphycus alvarezii nas fazendas marinhas de Santa Catarina

open access: yesAgropecuária Catarinense
O Governo Federal elaborou a proposta do Projeto de Lei Nº 2148/15, para regulamentar o mercado nacional de carbono e, com isso, promover a geração de metodologias nacionais para quantificação dos gases do efeito estufa, adaptadas e ajustadas às ...
Alex Alves Santos   +1 more
doaj   +1 more source

Polissacarídeos sulfatados isolados das clorofíceas Caulerpa racemosa e Caulerpa cupressoides – extração, fracionamento e atividade anticoagulante - doi: 10.4025/actascibiolsci.v32i2.5923

open access: yesActa Scientiarum: Biological Sciences, 2010
A incidência de doenças cardiovasculares e os efeitos adversos da heparinoterapia têm motivado a busca por novos agentes terapêuticos e os polissacarídeos sulfatados (PS) de algas marinhas têm sido reportados como fontes alternativas para tal.
José Ariévilo Gurgel Rodrigues   +4 more
doaj   +1 more source

Scaling the effects of size and temperature on animal consumption rates from individuals to populations in a subtropical reef fish

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3385-3395, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Measuring how temperature and body size drive individual consumption rates is fundamental to predict how climate change might shape population‐level consumption pressure. Yet, such measurements remain rare.
Pedro N. S. Zaú   +4 more
wiley   +1 more source

Decapod Biodiversity Hotspots and Environmental Drivers: A Macroecological Approach About Bycatch Species in Brazil

open access: yesJournal of Biogeography, Volume 52, Issue 12, December 2025.
ABSTRACT Aim To investigate the spatial patterns of species richness (SR), phylogenetic diversity (PD) and phylogenetic endemism (PE) in bycatch decapod crustaceans along the Brazilian Exclusive Economic Zone and to assess the influence of environmental variables and trawling effort on these diversity indices. Location Brazilian Exclusive Economic Zone.
Jeniffer N. Teles   +1 more
wiley   +1 more source

Sustentabilidade e Territorialidade: fios que tecem a luta e a resistência das mulheres camponesas

open access: yesSustentabilidade em Debate, 2014
O artigo é delineado a partir da análise de uma pesquisa realizada com base em estudo de caso no contexto dos percursos alcançados por ações de mulheres no assentamento Maceió, situado no município de Itapipoca, no Ceará.
Debir Soares Gomes   +1 more
doaj   +1 more source

Neoichnology and sediment distribution in tidal flats of the mud‐dominated mesotidal Mira River estuary (Portugal)

open access: yesSedimentology, Volume 72, Issue 7, Page 2201-2238, December 2025.
ABSTRACT Invertebrate burrow morphologies and distributions are presented for the tidal flats of the middle and lower reaches of the tide‐influenced (mesotidal), mud‐dominated Mira River estuary (SW Portugal) as an analogue for interpreting the ichnology of palaeoestuarine successions.
Alina Shchepetkina   +5 more
wiley   +1 more source

Invasive giant river prawns as opportunistic, generalist predators in the Amazon Delta: Insights from metabarcoding

open access: yesEcosphere, Volume 16, Issue 11, November 2025.
Abstract Invasive species alter habitats and biological communities. The giant river prawn Macrobrachium rosenbergii (de Man 1879) was introduced to Brazil for aquaculture, and invasive populations have established in the Amazon Delta region where they are believed to pose a risk to the native aquatic fauna.
Aisha Carolina Cei   +12 more
wiley   +1 more source

Seaweed flour (“Lithothamnium calcareum”) as a mineral supplement in the bone healing of a cortical autograft in dogs Farinha de algas marinhas (“Lithothamnium calcareum”) como suplemento mineral na cicatrização óssea de autoenxerto cortical em cães

open access: yesRevista Brasileira de Saúde e Produção Animal, 2010
The influence of the seaweed flour (Lithothamnium calcareum) was evaluated as a mineral supplement in during healing of bone failure reconstructed with a cortical autograft. Ten adult male mongrel dogs, weighing between 10 and 15kg, were used.
Emanoel Ferreira Martins Filho   +8 more
doaj  

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