Results 11 to 20 of about 271,538 (292)

Vagrants and visitors in the avifauna of the Haswell archipelago, East Antarctica

open access: yesPolish Polar Research, 2020
The purpose of the work is to provide a comprehensive review of the available historical and current records of vagrant and visiting individuals sighted at the Haswell archipelago, near the Russian Antarctic station Mirny (Davis Sea, southern Indian ...
Golubev Sergey
doaj   +1 more source

The effect of sodium fluoride on seeds germination and morphophysiological changes in the seedlings of the Antarctic species Colobanthus quitensis (Kunth) Bartl.and the Subantarctic species Colobanthus apetalus (Labill.) Druce [PDF]

open access: yesPolish Polar Research, 2019
The phytotoxic effects of fluoride and its derivatives on the seeds and seedlings of the Colobanthus apetalus and Colobanthus quitensis were studied. This is a first study to evaluate the influence of sodium fluoride (NaF) on the morphophysiological and ...
Justyna Dulska   +7 more
doaj   +1 more source

Spatial distribution, host specificity and genetic diversity of Onchobothrium antarcticum in the Southern Ocean [PDF]

open access: yesPolish Polar Research, 2021
In this work we summarize the current knowledge on the spatial distribution, host specificity and genetic diversity of Onchobothrium antarcticum, an endemic Antarctic cestode.
Ilya I. Gordeev   +2 more
doaj   +1 more source

Management of safe behavior to maintain life at the Brazilian Antarctic Station [PDF]

open access: yesRevista Psicologia, 2020
In polar regions, the management of safe behavior is fundamental to supply operations to maintain life (OPML). The objective of this study was to control OPML at the Comandante Ferraz Antarctic Station during the winter.
Paola Barros-Delben   +5 more
doaj   +1 more source

VOLCANIC EVENTS RECORD OVER THE LAST 900 YEARS FROM SNOW AND FIRN SEQUENCE IN VOSTOK STATION AREA

open access: yesЛëд и снег, 2015
The results of chemical analyses of snow samples from five pits and cores drilled in the vicinities of Vostok Station, Antarctica, are presented. High resolution (every 2–3 cm, or about three samples per year) ion measurements allowed to compile a new ...
T. V. Hodzher   +6 more
doaj   +1 more source

Diversity and endemism in cold waters of the South Atlantic: contrasting patterns in the plankton and the benthos

open access: yesScientia Marina, 2005
In total, ca. 7000 zooplanktonic species have been described for the World Ocean. This figure represents less than 4% of the total number of known marine organisms. Of the 7000 zooplanktonic species world-wide, some 60% are present in the South Atlantic;
Demetrio Boltovskoy   +2 more
doaj   +1 more source

Impacts of local human activities on the Antarctic environment [PDF]

open access: yes, 2008
We review the scientific literature, especially from the past decade, on the impacts of human activities on the Antarctic environment. A range of impacts has been identified at a variety of spatial and temporal scales.
Agnew   +91 more
core   +2 more sources

A Tropospheric Assessment of the ERA-40, NCEP, and JRA-25 Global Reanalyses in the Polar Regions [PDF]

open access: yes, 2007
The reliability of the global reanalyses in the polar regions is investigated. The overview stems from an April 2006 Scientific Committee on Antarctic Research (SCAR) workshop on the performance of global reanalyses in high latitudes held at the British ...
Adler   +63 more
core   +1 more source

Potential technological solution for sampling the bottom sediments of the subglacial lake Vostok: relevance and formulation of investigation goals

open access: yesЗаписки Горного института, 2021
The subglacial Lake Vostok in Antarctic is a unique natural phenomenon, its comprehensive study involves sampling of water and bottom surface rocks. For further study of the lake, it is necessary to drill a new access well and develop environmentally ...
Aleksey V. Bolshunov   +5 more
doaj   +1 more source

Metagenomes in the Borderline Ecosystems of the Antarctic Cryptoendolithic Communities. [PDF]

open access: yes, 2019
Antarctic cryptoendolithic communities are microbial ecosystems dwelling inside rocks of the Antarctic desert. We present the first 18 shotgun metagenomes from these communities to further characterize their composition, biodiversity, functionality, and ...
Albanese, Davide   +7 more
core   +3 more sources

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