Wojciech Majewski

Wojciech Majewski
Polish Academy of Sciences | PAN · Institute of Hydro-Engineering

Publications

Publications (71)
Article
Full-text available
Testate protists in the genus Gromia (‘gromiids’, supergroup Rhizaria) are common and diverse in marine settings. However, their ecological significance is not well understood, partly because they remain largely undescribed with most records being of the type species, G. oviformis. To enhance our knowledge of gromiid biodiversity, we use morphologi...
Article
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The Antarctic coastal fauna is characterized by high endemism related to the progressive cooling of Antarctic waters and their isolation by the Antarctic Circumpolar Current. The origin of the Antarctic coastal fauna could involve either colonization from adjoining deep-sea areas or migration through the Drake Passage from sub-Antarctic areas. Here...
Article
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Improved multibeam swath bathymetry allows targeted coring of glacial landforms aiming at improving our understanding of sedimentary facies that developed in glacimarine settings during the post‐Last Glacial Maximum (LGM) deglaciation. Coupled with radiocarbon dates, we explore foraminiferal records from 18 sediment cores from the western Ross Sea...
Article
A lack of reliable chronology often leaves Antarctic ice sheet reconstructions incomplete. Despite being the most heavily investigated region of the Antarctic continental shelf, the post-Last Glacial Maximum (LGM) record of marine-based ice sheet dynamics in the Ross Sea has remained largely elusive and at odds with fringing terrestrial records of...
Article
Highlights: ___(1) Although limited, our data provide important insights into evolutionary histories of eight benthic foraminiferal genera from West Antarctica and Patagonia. ___(2) In four out of eight studied benthic foraminifera we do not observe any indication of gene flow across the Drake Passage. ___(3) In Pullenia subcarinata and MOTU 2 of M...
Article
Ferrero Bay, located in eastern Pine Island Bay (PIB) of the Amundsen Sea Embayment, is one of the largest and southernmost fjords yet studied in Antarctica. High-resolution multibeam swath bathymetric data, chirp sonar sub-bottom profiles, and three Kasten cores were collected in Ferrero Bay during the IB Oden Southern Ocean 2009–2010 cruise (OSO0...
Article
Diatom assemblages from 33 core-tops, collected along a 2500 km transect of the northern Antarctic Peninsula and Pine Island Bay areas, were examined for their use as paleoenvironmental proxies. Environmental affinities of assemblages were interpreted within a broad geographical context and a wide range of ecological conditions. Four major assembla...
Article
This paper examines the variability in foraminiferal assemblages in surface samples from coastal settings along the northwestern Antarctic Peninsula, as well as in the Pine Island Bay area. Material comes from water-depths ranging between 20 and 1257 m, latitudes between 62° and 73°S, and bottom water temperatures from -1.5 to 1.2 °C. The microfoss...
Article
Full-text available
Benthic foraminifera are a major component of the Antarctic biota. Coastal foraminiferal morphospecies are widely distributed in Antarctic waters. The question is whether these morphotypes are genetically identical or, rather, they represent a cohort of cryptic species. Here, we compared genetically nine benthic foraminiferal morphospecies from Adm...
Article
The Hydraulic Project Włocławek was commissioned in 1970 as the first barrage of the Lower Vistula Cascade (LVC). The purpose of the LVC was to create an important source of hydro-energy and inland navigation route connecting central Poland with the port city of Gdańsk. Along the Lower Vistula (LV) important cities and industrial centres are locate...
Article
This paper presents the current situation in Polish water resources management. Discussed here are measures taken by the Ministry of Environment to introduce a new water law, as well as reforms of water management in Poland. The state of water resources in Poland are described, and the actions needed to improve this situation, taking into account p...

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71
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Projects (2)
Project
We obtain meaningful radiocarbon chronologies of ice-sheet retreat by selecting dating methods and samples based on a geomorphology-driven understanding of sedimentary processes.
Project
We reconstruct Holocene ice shelf stability through multi proxy analysis (sedimentology, geochemistry, and microfossils) of marine sediment cores and integrated geophysical data. Establishing past records of advance and retreat in various Antarctic basins provides insight into controls on past stability. This will ultimately help us evaluate the stability of modern ice shelves, especially in the context of recent atmospheric warming and upwelling of warm deep water.