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373 Titles Match Your Query
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1. Surveillance of Lake Pontchartrain Algal Blooms [LSU_ESL_LAKEP]
Oceansat-1 OCM ocean color measurements and Terra-1/Aqua-1 MODIS true color measurements are providing daily updates on water quality and algal blooms in Lake Pontchartrain and surrounding coastal ...


2. Antarctic nonmarine aquatic ecosystems as global change sensors [CNDA-ES_LIMNOPOLAR_META_BAS017]
In English: This project is aimed to achieve a higher knowledge of the limnetic systems in Polar latitudes. Particularly, it promotes the accurate description the Byers Peninsula (Livingston Island), ...


3. Bacterial growth response to DMSP input in Antarctic waters using bromodeoxyuridine(BrdU)labeling techniques [UM0809_11_dmsp_input]
In this study, to determine bacterial phylotypes which are involved in DMSP transformation and/or degradation, I investigate bacterial growth response to DMSP input in Antarctic waters using bromodeoxyuridine(BrdU)labeling ...


4. Seasonal dynamics of oxygen consumption and of heterotrophic bacterioplankton number in the region of the Ukrainian antarctic station Academician Vernadskiy [Seasonal_dyn_ox_cons_heterotrophic_bacterioplankton_UA_antarctic_st_A_Vernadskiy]
​Seasonal fluctuations of heterotrophic bacteria abundance as well as of oxygen consumption in coastal waters near island Galindez varied by levels of anthropogenic influence were investigated during ...


5. Species 2000 [Species2000]
Species 2000 has the objective of enumerating all known species of plants, animals, fungi and microbes on Earth as the baseline dataset for studies of global biodiversity. It will also provide a simple ...


6. Anoxygenic Phototrophic and Related Sulfur-Cycling Prokaryotes from Lake Fryxell, McMurdo Dry Valleys, Antarctica [Madigan_MCM_Fryxell]
The data are in two forms, organismal and molecular. The former are the results of enrichment culture experiments for the following groups of organisms: anoxygenic phototrophic bacteria ...


7. Aurora Australis WOCE Southern Ocean oceanographic data, cruise au9404 [au9404]
Oceanographic measurements were conducted along WOCE Southern Ocean meridional section SR3 between Tasmania and Antarctica, and along the part of WOCE Southern ocean zonal section S4 lying between ...


8. Aurora Australis WOCE Southern Ocean oceanographic data, cruise au9501 [au9501]
Oceanographic measurements were conducted along WOCE Southern Ocean meridional section SR3 between Tasmania and Antarctica, and around the boundary of a square-plan test volume south of the Antarctic ...


9. Cape Cod Bay Ocean Sanctuary and Monitoring Program [gomc_364]
Cape Cod Bay is ecologically rich with a complex and diverse array of coastal and marine habitats. Beaches, wetlands and offshore water provide important habitats for plant and animal communities ...


10. Clean Beaches and Streams Program [gomc_163]
Salem Sound Coastwatch is a non-profit coastal watershed association that works with government agencies, businesses, other nonprofit organizations and citizens from the communities of Manchester, ...


11. Data of isolation and identification of Actinobacteria from rhizospheric soil collected from the Arctic Yellow River Station in 2007 [CNNADC_2007_King_Bay_Kongsfjorden_SensorName_Description]
Using spread-plate technique, actinobacterial strains were isolated from rhizospheric soil of 7 plants collected in the Arctic Yellow River Station, New Alesund, Svalbard (Ny-Alesund, the Arctic). ...


12. Microbial winter community composition and activity in Weddell Sea Ice 2013 [AWECS_FI_BIO_2013]
Investigation of sympagic microbial assemblages and their activities (primary and bacterial production) during the Antarctic winter 2013.


13. Pseudomonad organisms capable of degrading resin acids: Are they found in Antarctica? Soil samples from Mt Erebus [K023_1996_1997_NZ_1]
Pseudomonads are gram negative bacteria which are unique in their ability to degrade aromatic compounds such as xylene, napthalene and camphor and have recently been shown to degrade toxic resin acids ...


14. Sampling based chemical and biogeochemical stratification profiles of melt water ponds at Bratina Island, McMurdo Ice Shelf [K081_2005_2006_NZ_2]
A comprehensive suite of geochemical samples and measurements from a selection of meltwater ponds at Bratina Island was collected in the 2005/06 and 2006/07 seasons. The purpose was to help identify ...


15. Sea ice productivity in the Mertz Glacier Region [K043_2002_2004_NZ_1]
Eastern Antarctic sea ice algal biomass were measured in the spring of 2002, 2003 and 2004. Productivity was measured by 14C in 2002 and by oxygen electrodes in 2002 and 2004. Biomass was low, in ...


16. Soil samples and temperature data from Tramway Ridge, Mt Erebus to determine the genetic capabilities and structure of microbial communities [K023_2008_2009_NZ_1]
The study of high temperature extreme environments continues to challenge our understanding of the upper tolerances of microbial life and how life may have originated on earth and possibly other planets. ...


17. Soil, wood, hay and feed samples collected from Scotts Hut at Cape Evans to determine the presence/absence of Bacillus sp [K021_1998_2008_NZ_5]
Three soil samples were taken from Hut Point, 73 from Cape Evans and 28 from Cape Royds to determine the presence/absence of Bacillus sp. At Cape Evans, transects were made and soil cores were taken ...


18. Studies on the anaerobic sediments and underlying cyanobacterial mats from the McMurdo Ice Shelf [K081_1996_2000_NZ_2]
The pond ecosystems of the McMurdo Ice Shelf contain abundant growths of algae and cyanobacteria. The role of the anaerobic sediments underlying the cyanobacterial mats was investigated. Sediment ...


19. The adaptation of cyanobacterial mats from the McMurdo Ice Shelf, Mt Discovery and the Alph River system to Antarctic environmental extremes [K081_1990_1991_NZ_1]
The microbial adaptations of the cyanobacterial mats of the ponds of the McMurdo Ice Shelf to the environmental extremes experienced at this location, including changes in temperature and salinity, ...


20. The bacterial biomass of sea ice from Seabees Hook, Cape Hallett region [K043_2003_2005_NZ_2]
A taxonomic assessment of sea ice bacteria abundance and their response to climate induced stress was investigated from the sea ice around Seabee Hook, Cape Hallett. Four sites at different points ...


21. The biomass, productivity and biodiversity of algae and bacteria in Granite Harbour and the physical parameters of their environment [K043_2008_2009_NZ_2]
The total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Granite Harbour. Sampling sites in the Granite Harbour area were used ...


22. The biomass, productivity and biodiversity of algae and bacteria in Terra Nova Bay and the physical parameters of their environment [K043_2006_2008_NZ_1]
The total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Terra Nova Bay. Sampling sites in the Terra Nova Bay area were used ...


23. The biomass, productivity and biodiversity of algae in the Cape Hallett region [K043_2003_2005_NZ_1]
The distribution and biodiversity of algae was assessed to enable possible future predictions of the effects of global warming. Sites (5 in the first season, 4 in the second) were established around ...


24. The biomass, productivity, physiology and grazing pressures of phytoplankton during the polar winter in the Ross Sea region [K043_2007_2008_NZ_1]
What happens to primary production during the long polar night was investigated in the Ross Sea region. Phytoplankton samples were obtained from the water column at Cape Armitage and Cape Evans. Phytoplankton ...


25. The change in metabolism, and chemical and physical dynamics, after a transition from light to dark conditions, of melt water ponds on the McMurdo Ice Shelf [K081_2007_2008_NZ_1]
Detailed assessments of the metabolism in one melt water pond on the McMurdo Ice Shelf was investigated. The pond chosen had considerable background knowledge on its general chemistry and biology, ...


26. The changes in the physical, chemical and biological processes in melt water ponds during the late season freeze processes into the polar winter at Bratina Island [K081_2007_2008_NZ_2]
How the onset of winter conditions affects the physical and chemical conditions within the melt water ponds on the McMurdo Ice Shelf (of which summer information is available) and how these changes ...


27. The collection of fossils, qualitative microbial studies and nitrogen fixation rates of the soils from several sites in the Ross Sea region [K052_1980_1981_NZ_1]
Preliminary qualitative microbiological studies were conducted at several sites in the Ross Sea Region including Cape Bird, Taylor Valley, Wright Valley and Shapeless Mountain and Mistake Peak on ...


28. The distribution and identity of terrestrial plant communities of the Lower Taylor Valley including lichens, mosses, hypolithic and endolithic algae [K024_1989_1990_NZ_4]
In the 1989-1990 season collecting trips were made to the Kukri Hills and to Mt. Falconer to prepare an initial species list of the Lower Taylor Valley. In the 2002-2003 season walking trips were ...


29. The effects of UVB on growth and productivity and photoadaptations of bottom ice algae at Cape Evans, McMurdo Sound [K136_1999_2002_NZ_1]
Sea ice hosts a large community of algae which is released into the food chain when the ice melts. The sea ice algae grow rapidly in the Antarctic spring at a time that coincides with the ozone hole ...


30. The effects of increased flow on the distribution of nutrient sources and sinks and the physical, chemical and biological components in the Onyx River ecosystem [K081_1993_1996_NZ_1]
The waters of Lake Vanda, Wright Valley have risen at a rate of 1m per year. The rise was largely attributed to increased flows in its only significant inflow, the Onyx River. The effects of this ...


31. The extent and manner in which salts are excluded from pond water during ice formation: ice core analysis, weather data and water samples [K081_2001_2002_NZ_2]
The hypothesis that stratification in the ponds of the McMurdo Ice Shelf is induced during the freezing process, as salts are excluded from the ice matrix during freezing was investigated over several ...


32. The factors controlling planktonic primary and secondary production in 22 meltwater ponds varying in chemical conditions, and in layers of stratified ponds [K081_2006_2007_NZ_1]
The importance of the large differences in chemistry in the ponds of the McMurdo ice shelf for their planktonic productivity was examined by comparing rates of primary (algal) production and secondary ...


33. The importance of aerial transport in the distribution of microbes, the role of dried mats as reservoirs of viable propagules and the assessment of the habitat for the germination, growth and persistence of propagules [K082_1990_1992_NZ_1]
The potential importance of dried cyanobacterial mats as sources of propagules for local dissemination was studied at Bratina Island (McMurdo Ice Shelf), Lake Fryxell (Taylor Valley) and Cape Crozier ...


34. The production biology of Lake Bonney and Lake Fryxell [K009_1970_1971_NZ_1]
A party of biologist was concerned with the production biology of Lake Bonney and Lake Fryxell. Soil bacteria and protozoa were studied and rotifiers were collected from the lakes.


35. The rate of exchange of nutrients between the microbial mats and the overlying water column in Lake Hoare [K081_2000_2001_NZ_2]
Benthic chambers were deployed at 10m depth in Lake Hoare to determine the rate of exchange of nutrients between the microbial mats and the overlying water column. These comprised 5 each of opaque ...


36. The rates of benthic photosynthesis of microbial mats at low irradiances in Lake Hoare and Lake Fryxell, Taylor Valley [K081_2006_2007_NZ_2]
Photosynthesis rates of microbial mats were measured at a range of irradiances to determine the performance of mats at low irradiances at Lake Hoare and Fryxell. Underwater irradiance measurements ...


37. The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Granite Harbour [K043_2008_2009_NZ_3]
In the 2008/2009 season, samples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM ...


38. The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Terra Nova Bay [K043_2006_2008_NZ_4]
Samples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM rapid light curves to determine ...


39. The spatial and temporal variability of nutrients (nitrogen, phosporous, carbon) and plant biomass (cyanobacterial biofilms) on the McMurdo Ice Shelf ecosystem [K081_1987_1988_NZ_1]
The area near Bratina Island was studied by examining scales (large and small) of variability (spatial and temporal) of nutrients and plant biomass on the McMurdo Ice Shelf (MIS) with an aim to examine ...


40. The structure and environmental physiology of Antarctic cyanobacterial mats in the McMurdo Ice Shelf ecosystem [K081_1989_1990_NZ_1]
A detailed understanding of how cyanobacterial mats in the ponds of the McMurdo Ice Shelf are structured and how they derive their carbon, nitrogen and energy supply was investigated with a broad ...


41. The transformation of nutrients in glacial meltstream waters from origin to discharge [K081_2000_2001_NZ_3]
Two stream were examined for the rates and directions of transformation of nutrients, Green Creek and Canada Stream. Both of these streams drain into Lake Frxyell in the Taylor Valley. Each stream ...


42. The use of historic milk powder to compare the microbial flora of milk from the past to the present [K021_1998_2008_NZ_7]
Very small samples of milk powder from opened exposed tins were sampled from the artifacts found at the historic huts on Ross Island, in the order of several grams in the 2001-2002 season. Two hypothesis ...


43. Thermophilic bacteria from the geothermally heated soils of the Mt Erebus summit: 1980-1981 [K023_1980_1981_NZ_1]
Geothermally heated soils were collected from the summit of Mt Erebus during the 1980-1981 field season and cultures were analysed for possible thermophilic species. A vist was also made to the McMurdo ...


44. Vertical transect mineral soil samples collected from the Wright Valley, Miers Valley and Bratina Island analysed for microbial biomass, phylogeny and diversity using molecular methods [K023_2001_2002_NZ_1]
The extreme environment of the Dry Valleys has opposing views on the microbial diversity present. Using molecular biological techniques, a detailed study was undertaken of the prokaryotic community ...


45. Water nutrient chemistry of ponds on Bratina Island, Antarctica [K081_2004_2005_NZ_3]
Tweleve ponds on the McMurdo Ice Shelf were sampled to create and annual data set of water nutrient chemistry (DRP, NH4-N, NO3-N, TDN, TDP), pH, conductivity, temperature, phytoplankton chlorophyll ...


46. A biological reconnaissance of the photoreceptors of invertebrates and fish from the Ross Sea, identifying the micro fauna and flora of Dry Valley lakes and other organism from the Ross Sea region [K022_1977_1978_NZ_1]
A variety of research activities on the organisms in the Ross Dependency was undertaken to determine the biological research potential of the organisms. Most work focused on photoreceptors of different ...


47. A mathmatical model of population dynamics to explain changes in biodiversity of microorganisms in ice covered marine environments [K043_2006_2007_NZ_1]
Physical, geographic and biological data were linked into a mathmatical model of population dynamics to integrate and explain the changes in biodiversity of phytoplankton, bacteria and cyanobacteria ...


48. Algae, fungi and actinomycetes from soils of Mt Erebus [K052_1982_1983_NZ_4]
Soil samples were collected from the crater of Mt Erebus. Yeast glucose agar and penicillin and streptomycin was used to culture thermophilic microbes, fungi and actinomycetes. Several thermophilic ...


49. Analyses of water and microbial mat samples collected from two ponds at Luther Peak, near Cape Hallett [K081_2003_2005_NZ_3]
Freshwater ponds have long been recognised as an important local biodiversity element in the Antarctic landscape. To broaden the understanding of pond systems within the Ross Sea region of Antarctica ...


50. Analysis of Factors Affecting Historical Dissolved Oxygen Trends in Western Long Island Sound [LISES_HistDOtrends]
The purpose of this dataset is to assess the historical decline in dissolved oxygen concentrations in the bottom region of the Western Long Island Sound. The primary factors ...


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