Results 51 to 60 of about 564,177 (215)

A A PESCA DE LAGOSTAS NA PLATAFORMA CONTINENTAL AMAZÔNICA

open access: yesArquivos de Ciências do Mar, 2020
A exploração de lagostas no Brasil, desde a década de 1960, destaca-se como um dos principais itens da balança comercial. O estudo descreve a pesca de lagostas realizada na Plataforma Continental Amazônica. Os dados foram coletados no período de agosto de 2014 a novembro de 2015.
Israel Hidenburgo Aniceto Cintra   +5 more
openaire   +2 more sources

La plataforma continental en el derecho del mar

open access: yesRevista de la Facultad de Derecho y Ciencias Políticas, 1982
Contiene: 1. Introduccion -- 2. Definicion convencional -- 3. Delimitaciones, su valor y los diferentes metodos -- 4. Critica al concepto de plataforma continental desde el punto de vista de la profundidad y de la explotabllidad.-- 5.
Rubén Darío López Zuluaga
doaj  

First record of albinism in the smooth dogfish Mustelus Schimitti Springer, 1939 (Carcharhiniformes - Triakidae) from Southern Brazil

open access: yesBrazilian Archives of Biology and Technology, 2002
This paper reports on a subadult male specimen of the smooth dogfish, Mustelus schimitti, caught in the continental shelf of Rio Grande Sul, during winter of 1993, which exhibited the characteristics of total albinism.Este trabalho registra a primeira ...
Simone Ferreira Teixeira   +1 more
doaj   +1 more source

Policy Innovation in Barcelona and Utrecht: The Role of Advocacy Coalitions in Multilevel Contexts

open access: yesPolitics &Policy, Volume 54, Issue 2, April 2026.
ABSTRACT This article explores how policy innovation in local social policies emerges within a multilevel governance context. Drawing on the Advocacy Coalition Framework (ACF), it examines how beliefs, coalitions, and institutional arrangements interact across different political arenas—European, national/regional, and local—to foster innovative social
Bruno Miguel Oliveira
wiley   +1 more source

Does Governance Moderate the Impact of Poor Energy Access on Gender Inequality? Evidence From Sub‐Saharan Africa

open access: yesWorld Affairs, Volume 189, Issue 2, Summer 2026.
ABSTRACT The study examines the moderating effect of governance quality on the relationship between lack of access to energy and gender inequality. Drawing on data from 35 sub‐Saharan African countries, the results obtained using fixed‐effects instrumental variables show that the worsening of gender inequality stems from a lack of access to energy ...
Sabine Nadine Ekamena Ntsama   +2 more
wiley   +1 more source

Social media highlights the overlooked impact of cats on arthropods

open access: yesInsect Conservation and Diversity, Volume 19, Issue 2, Page 460-465, March 2026.
The impact of domestic cats on vertebrate biodiversity is unequivocal; however, we still know little about their effects on arthropods. By analysing over 17,000 photos and videos from social media platforms (iStock and TikTok), we documented 550 predation events of cats on arthropods.
Leticia Alexandre, Raul Costa‐Pereira
wiley   +1 more source

CONFORMACION DE UN MODELO BATIMETRICO PARA EL GOLFO DE MEXICO A ESCALA 1:50000

open access: yesBoletín de Ciencias de la Tierra, 2011
La República de Cuba debe demostrar -ante la Comisión de Límites de la Plataforma Continental de las Naciones Unidasla extensión natural de su plataforma continental más allá de las 200 millas marinas, solo en la alta mar de la parte oriental del Golfo ...
Osvaldo Rodríguez Morán
doaj  

Abundance and Seasonal Dynamics of Guiana Dolphins (Sotalia guianensis) in Southern Brazilian Estuarine and Adjacent Coastal Waters

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT Estimating population parameters is crucial for understanding species dynamics and assessing anthropogenic impacts, thereby supporting conservation efforts. We evaluate key population parameters—group structure, abundance and capture–recapture probabilities—of the Guiana dolphin in the Paranaguá Estuarine Complex and adjacent coastal waters ...
Stephane P. G. de Moura   +3 more
wiley   +1 more source

Dinâmica da matéria particulada em suspensão na plataforma continental minhota e sua relação com a cobertura sedimentar [PDF]

open access: yes, 2001
Tese de dout., Ciências do Mar, Faculdade de Ciências do Mar e do Ambiente, Univ. do Algarve, 2001O objectivo principal do presente trabalho consiste na caracterização dos processos que determinam e controlam a dispersão do material particulado em ...
Oliveira, Anabela Tavares Campos
core   +1 more source

Avaliação da ictiofauna da fauna acompanhante da pesca do camarão sete-barbas do Municí­­pio de Pontal do Paraná, litoral do Paraná, Brasil

open access: yesBoletim do Instituto de Pesca, 2018
O objetivo deste trabalho foi avaliar a ictiofauna acompanhante da pesca do camarão sete-barbas da frota arrasteira de Pontal do Paraná (PR). Fauna acompanhante compreende os organismos capturados incidentalmente junto í­Â s capturas-alvo.
Andre Pereira CATTANI   +4 more
doaj  

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