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33 Titles Match Your Query
Showing 1 through 33 of 33
1. trace metal in Antarctic ecosystems, larsemann Hills, East Antarctica [ECA067]
Sediments, mosses and algae, collected from lake catchments of the Larsemann Hills, East Antarctica, were analyzed to establish baseline levels of trace metals (Ag, As, Cd, Co, Cr, Cu, Ni, Sb, Pb, ...


2. Benthic Marine Pollution Around McMurdo Station, Antarctica [ECA079]
Benthic sediments and animals are highly modified by human activities at McMurdo Station, the largest human settlement in Antarctica. The quantity of anthropogenic debris, contamination of marine ...


3. Trace metals in Antarctic copepods from the Weddell Sea (Antarctica) [ECA057]
The concentrations of Cd, Co, Cu, Ni, Pb and Zn were determined in the Antarctic copepods Rhincalanus gigas (Brady, 1883), Calanus propinquus (Brady, 1883), Calanoides acutus (Giesbrecht, 1902), Metridia ...


4. Animal excrement: a potential biomonitor of heavy metal contamination [ECA063]
To assess the feasibility of using animal excrement to biomonitor the extent of heavy metal contamination in the marine environment, concentrations of mercury (Hg), lead (Pb), copper (Cu) and zinc ...


5. Antarctic Ecosystem: environmental contamination [ECA062]
Although the remote continent of Antarctica is perceived as the symbol of the last great wilderness, the human presence in the Southern Ocean and the continent began in the early 1900s for hunting, ...


6. MIcrobes from seabird faeces to evaluate hreavy metal contamination in antarctic region [ECA061]
This study evaluates the levels of heavy metal pollution in Antarctic marine ecosystem by monitoring gut microbial flora of seabird skua (Catharacta spp). Aerobic and anaerobic bacteria isolated from ...


7. POPs in the Fat Tissue of Seabirds from King George Island, Antarctica [ECA040]
This datset collected data for chlorinated pesticides, polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs) in subcutaneous fat samples from Brown skuas, three species of penguins: ...


8. Residues of Persistent Organochlorine Contaminants in Southern Elephant Seals from Elephant Island, Antarctica [ECA048]
This dataset reports a study about blubber samples (n = 129) from live and apparently healthy female and male pups, juveniles and adults of M. leonine (elephant seal) caught at Elephant Island in ...


9. Antarctic Ecosystem Environmental Contamination, Climate Change and Human Impact [ECA027]
In the Southern Ocean, the marginal ice zone is the nursery ground for E. superba (by far the dominant herbivore), which channels organic matter produced by nanoplankton and diatoms to cephalopods, ...


10. Bioconcentration of PCBs in the pelagic food chain of the Ross Sea [ECA026]
In this study was measured mean PCB concentration (the sum of 50 congeners) in Ross Sea phytoplankton (mainly diatoms) and mixed zooplankton (copepods, amphipods and krill) of 1 and 4.2 ng g?1 wet ...


11. Factors affecting the breeding success of south polar skua [ECA034]
Among marine organisms breeding in Antarctica, the South Polar skua (Catharacta maccormicki) combines the traits of the species more exposed to the bioaccumulation of persistent contaminants. Skuas ...


12. Organochlorine pesticides (OCPs) and polybrominated diphenil ethers (PBDEs) in Adelie penguin food web [ECA031]
Cod collected at Cinder Cones contained ?PBDE6 at 311 ng/g. This is more than 10-fold greater than levels in biota at other sites far from McMurdo. For comparison, a 2006 study of krill, rock cod, ...


13. POPs in key species of Marine Antarctic ecosystems [ECA028]
These data set regards the average p,p'-DDE and HCB concentration (0.86?0.98 and 0.37?0.17 ng g?1 wet wt. respectively) measured in krill samples collected from the Ross Sea (71?20?S? 72? 331?S/170? ...


14. Persistent Organic Pollutants (POPs) in 3 species of Antarctic Penguins [ECA033]
The data set reports the POP concentrations in three species of penguins: Ad?lie penguin (Pygoscelis adeliae), Chinstrap penguin (Pygoscelis antarctica) and Gentoo penguin (Pygoscelis papua). The ...


15. Polybrominated diphenil ethers (PBDEs) and organochlorine pollutants in two species of Antarctic fish [ECA030]
The data set reportes the results on the accumulation of polybrominated diphenyl ethers (PBDEs), mono- and non-ortho-polychlorobiphenyls (PCBs), polychlorodibenzodioxins (PCDDs) and polychlorodibenzofurans ...


16. Biodiversity of Antarctic terrestrial ecosystems: on-line computerized interactive floras and identification keys of Antarctic lichens. [UNITS_LICHENS]
The research project is based on 3 main topics. A) Creation of on-line interactive floras and identification keys of lichens from areas of the Antarctic Continent, and in particular from Victoria ...


17. Baseline concentrations of elements in the Antarctic macrolichen Umbilicaria decussata [Antar_Macrolichen_Umbilicaria]
Total concentrations of major and trace elements were determined in samples of the epilithic lichen Umbilicaria decussata from 24 ice-free areas in coastal Victoria Land (Antarctica) during ...


18. Biochemical characterization of the antioxidant system in the scallop Adamussium colbecki, a sentinel organism for monitoring the antarctic environment. [Antarctic_scallop]
The scallop Adamussium colbecki can be profitably used for monitoring Antarctic coast environments but its utility would be increased if chemical analysis of pollutants were integrated with data on ...


19. Evolutive adaptatament of Oxygen transport mechanisms [Evolutive_adaptatament_of_Oxygen_transport_mechanisms]
The extreme environmental conditions of Antarctica represent a strong challenge to which a number of organisms have been forced to be confronted to. Understanding how these organisms have evolved ...


20. Desaturases: Extreme cold adaptation and the biological significance in Antarctic organisms [UNISA_DIFARMA_DESATURASES]
It has been shown that thermal stability of proteins is modified by very minor changes in the amino acid (aa) sequence. For ex., for malic dehydrogenase and other proteins, a single aa substitution ...


21. The terrestrial, marine and freshwater microalgae from Antarctica: biodiversity, physiological and molecular aspects. [MicroalgaeAntarctica]
This data set describes the research carried out from 1988 to 2003 on samples collected in the sea (Terra Nova Bay and Wood Bay), in several lakes (Edmonson Point, Markham Island, Inexpressible Island, ...


22. Preliminary investigation of thermal biosystem of Mount Rittmann fumaroles (Northern Victoria Land, Antarctica) [Thermal_biosys_MountRittmann]
The biota and environment of fumarolic ground recently discovered near Mount Rittmann are described. Three patches (about 1 m2 each) of the moss Pohlia nutans were found in a minor caldera rim. Cyanophytes, ...


23. Extremophiles in Antarctica during 1989-2004 [Extremophiles_in_Antarctica]
Studies on biodiversity of microorganisms in Antarctica were carried out since 20 years. Particularly attention was made on those microorganisms defined for their growth conditions extremophiles. ...


24. Antarctic Data from Italian Expeditions Concerning Research in Earth Sciences, Environmental, Cosmophysics, Biology, Medical Sciences [Southpole]
The Italian base in Antarctica is located at Terra Nova Bay inside the Ross sea (Lat. 74 41'42'S, Long. 164 07'23'E). The expeditions are done during the Antarctic summer and usually run from early ...


25. Effects of UV-B radiations on non-marine Antarctic microalgae [uv_microalgae]
This data set contains a list of 273 samples collected during the 1998-99 and 2000-2001 Italian Antarctic Expeditions in several non-marine environments of Victoria Land. In particular mosses, soils, ...


26. Entrapment of long-distance transported pollen grains by various moss species in coastal Victoria Land, Antarctica [Species_in_Victoria_Land]
In northern Victoria Land (continental Antarctica, between 72 and 76 degrees S, 162 and 169 degrees E), 18 moss samples have been collected and analyzed for the presence of pollen. In turfs and cushions ...


27. New record of moss and thermophilic bacteria species and physico-chemical properties of geothermal soils on the northwest slope of Mt. Melbourne (Antarctica) in 2002 [Thermophilic_bacteria_Melbourne]
Four samples of surface soils, one with shoots of an unidentified moss species, were collected from a geothermal site on the northwest slope of volcanic Mt. Melbourne (northwest Victoria Land, continental ...


28. Biomagnification of mercury in an Antarctic marine coastal food web during 1989-1991 [Biomagnification_of_mercury]
Twenty samples of surface sediment (the top 3.0 cm) were taken on soft bottoms (from 20 to 300 m depth) with a stainless steel box corer. Phytoplankon and zooplankton were sampled with conical nylon ...


29. Changes of major ion concentrations in melting snow and terrestrial waters from northern Victoria Land, Antarctica. [Ion_concentr_Victoria_Land]
Concentrations of major ions (Cl-, NO3-, SO42-, Na+, K+,Mg2+, Ca2+) where measure in melting snow and water samples from stream and lakes in ice-free areas throughout northern Victoria Land. Most ...


30. Elevated cadmium accumulation in marine organisms from Terra Nova Bay (Antarctica) during 1989-1991 [Cadmium_marine_organisms_BTN]
As a contribution towards identification of the principal environmental factors involved in cadmium accumulation in Antarctic marine organisms and the establishment of a baseline near the Italian ...


31. Evolution and biogeochemical cycles of metal species in marine and lacustrine environments [MetalIonsInMarineAndLacustrEnv]
1995/96 Characterization of minor and trace metals in lacustrine ecosystems (Carezza Lake, Inexpressible Island, Tarn Flat, Edmondson Point). Determinations in lake waters, sediments, algae and soil. ...


32. Genetic diversity in the moss Pohlia nutans on geothermal ground of Mount Rittmann, Victoria Land, Antarctica. [GeneticDiversity_Victoria_Land]
The only known population of the moss Pohlia nutans in continental Antarctica occurs on geothermally heated ground of volcanic Mt. Rittmann in northern Victoria Land. Colonization of this bryophyte ...


33. The Sea as major source of ions to lichens in terrestrial ecosystems of Victoria Land [Ions_to_lichens_Victoria_Land]
Lichens and mosses constitute the bulk of plant biomass in terrestrial ecosystem of continental Antarctica. On the hypothesis that cryptogams can be used as an early warning system to detect the effects ...


Showing 1 through 33 of 33

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