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28 Titles Match Your Query
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1. Metal concentration in macroalgae from East Antarctica [ECA070]
Marine macroalgae have been widely used as biomonitors of metal pollution. At Casey Station in East Antarctica, the Thala Valley tip is in the path of a melt stream that forms each summer and flows ...


2. Benthic diatom community response to environmental variables and metal concentration [ECA065]
This study examined the effects of anthropogenic contaminants and environmental variables on the composition of benthic diatom communities within a contaminated bay adjacent to an abandoned waste ...


3. Heavy metals in Antarctic seal hairs and sediment [ECA059]
To reconstruct the profiles of heavy metal levels in the South Ocean ecosystem of Antarctica, the concentrations of lead (Pb), copper (Cu), arsenic (As), cadmium (Cd), and zinc (Zn) in seal hairs ...


4. A 2000-year record of mercury and ancient civilizations in seal hairs from King George Island, West Antarctica [ECA060]
The concentrations of total mercury (HgT) and three bio-essential elements (phosphor, potassium, sodium) were analyzed in Antarctic seal hairs from a lake core spanning the past 2000 years and collected ...


5. 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 ...


6. 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, ...


7. 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 ...


8. THE HISTORICAL SEAL POPULATION AT KING GEORGE ISLAND, IN RESPONSE TO CLIMATE CHANGE [ECA058]
The historical seal populations at King George Island, Antarctica, for the past 1,500 years, have been estimated from the seal-hair abundance, bio-element concentrations, total organic carbon (TOC) ...


9. Determination of polychlorinated biphenyls in Antarctic macroalgae Desmarestia sp. [ECA036]
This data set deals with the determined concentrations of PCB congeners in Desmarestia sp. samples collected from various locations at Admiralty Bay (King George Island). Total PCB concentrations ...


10. Baseline concentration of elements in the Antarctic macrolichen [ECA021]
Lichens and mosses are cryptogamic organisms with a number of features in common. They lack root systems, have a high cation-exchange capacity (CEC), and depend largely on atmospheric deposition for ...


11. Organochlorine pollutants in soil and mosses from Victoria Land (Antarctica) [ECA022]
This data set reports the measures of organo-chlorine pollutants in soils and mosses from Victoria Land. Total PCB concentration in mosses ranges between 23 and 34 ng g-1 dry wt. Previously reported ...


12. 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 ...


13. 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 ...


14. Circadian oscillators and photic entrainment in the Antarctic krill Euphausia superba [UNIPD_KRILL]
This dataset contains a list of 33 samples collected during the XIX Italian Antarctic Expeditions in the Ross Sea. In particular krill samples were fished at different times of the day in order to ...


15. Monitoring and screening of bioactive compounds and toxins produced by Antarctic cyanobacterial strains. [CNR_ISE_CYANOBACTERIAL]
The photosynthetic microorganisms from the sea, soil and lakes represent a profitable resource for the production of biologically active compounds. The harsh environment of Antarctic with low level ...


16. 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, ...


17. 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, ...


18. 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. ...


19. 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 ...


20. 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, ...


21. 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 ...


22. 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 ...


23. Benthonic Annelida of Ross Sea [Benthonic_Annelida_of_Ross_Sea]
Taxonomical studies of smaller marine infaunal Annelida from benthos sediments near Terra Nova Bay sampled during 1989 and 1989 summers.


24. 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 ...


25. 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 ...


26. 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. ...


27. 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 ...


28. 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 28 of 28

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