Results 51 to 60 of about 19,509 (206)

By-catch de espadarte (Xiphias gladius) e tintureira (Prionace glauca) juvenil no palangre de superfície [PDF]

open access: yes, 2013
Dissertação de Mestrado, Estudos Integrados dos Oceanos, 11 de Outubro 2013, Universidade dos Açores.A pesca de palangre de superfície apresenta elevadas rejeições e capturas acessórias, ou "by-catch", o que coloca graves problemas de gestão e ...
Martins, Luís Miguel Antunes
core  

Microbial influence on the formation and subsequent changes of vertebrate tracks: field experiments on present‐day coastal sediments

open access: yesSedimentology, EarlyView.
ABSTRACT The presence of microbial mats is often invoked to explain the good preservation of vertebrate tracks, because they can cover and biostabilize such structures. However, microbial influence on the sediment properties when the track is made and on the track characteristics has not been so thoroughly analysed.
Isabel Emma Quijada   +4 more
wiley   +1 more source

Aspectos da Oceanografia Física do Atlântico Sul [PDF]

open access: yesPesquisas em Geociências, 1984
A circulação oceânica pode ser de dois tipos: a circulação termoalina, que acontece quando variam a temperatura, a salinidade e a densidade em certas porções do oceano, e a circulação pela influência do vento, que se faz sentir até 600 ou 700 metros. A circulação superficial no Atlântico, consiste de maneira geral, em dois grandes círculos ou giros que
openaire   +2 more sources

Spatial distribution of microphytobenthos, meiofauna and macrofauna in the north-western Adriatic Sea: a synoptic study

open access: yesAdvances in Oceanography and Limnology, 2015
In view of the general paucity of integrated information on offshore benthic communities in the Adriatic Sea and given the vulnerability of this particular coastal system, microphytobenthos, meiofauna and macrofauna were synoptically investigated in ...
Annalisa Franzo   +3 more
doaj   +1 more source

Gas fields and large shallow seismogenic reverse faults are anticorrelated

open access: yesScientific Reports, 2022
We investigated the spatial relationships among 18 known seismogenic faults and 1651 wells drilled for gas exploitation in the main hydrocarbon province of northern-central Italy, a unique dataset worldwide.
G. Valensise   +4 more
doaj   +1 more source

Construção da crítica à oceanografia clássica: contribuições a partir da oceanografia socioambiental

open access: yesAmbiente & Educação: Revista de Educação Ambiental, 2019
RESUMO Muitos pesquisadores das áreas clássicas da Oceanografia negam as humanidades na ciência oceanográfica, apesar de historicamente terem dialogado com o que há de mais conservador nas ciências humanas e sociais aplicadas. Na virada para o século XXI, diversos pesquisadores têm criado novas formas de fazer oceanografia dentro do marco do ...
openaire   +2 more sources

Potencial nutricional de macroalgas marinhas dos Açores. Determinação do teor de proteína. [PDF]

open access: yes, 2011
IV Congresso da Ordem dos Biólogos e II Congresso dos Biólogos dos Açores (Painel Biologia Marinha e Oceanografia).
Baptista, José A. B.   +5 more
core  

Indirect effects of fast‐growing urban development on wildlife in a coastal protected area of Costa Rica

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 3, April 2026.
We studied the effects of urban growth on wildlife near Parque Nacional Marino las Baulas, Costa Rica. Since 1991, buildings increased 1007%, mainly in the buffer zone. We identified eight native species extracting garbage from containers, with raccoons (Procyon lotor) comprising most detections (84%), and four other species being potential sea turtle ...
Keilor E. Cordero‐Umaña   +6 more
wiley   +1 more source

Seasonal Occurrence and Behavior of an Endangered Franciscana Dolphin (Pontoporia blainvillei pukusi) Population

open access: yesMarine Mammal Science, Volume 42, Issue 2, April 2026.
ABSTRACT The franciscana dolphin (Pontoporia blainvillei) is a threatened cetacean whose northernmost population (Franciscana Management Area Ia)—part of the recently described subspecies P. b. pukusi—faces significant anthropogenic pressures, including impacts from a major mining dam collapse.
Jonathas Barreto   +10 more
wiley   +1 more source

Feeding ecology of the transparent goby Aphia minuta (Pisces, Gobiidae) in the northwestern Adriatic Sea

open access: yesScientia Marina, 2008
The feeding ecology of the transparent goby Aphia minuta was examined in spring (May 2003) in the coastal waters off Comacchio, in the northwestern Adriatic Sea. Stomach content analysis indicated A.
Mario La Mesa   +5 more
doaj   +1 more source

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