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151 Titles Match Your Query
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1. 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 ...


2. Carbon Isotope Ration and Productivity of Dry Beans Under Water Limiting Environments [USDA0397]
The "Carbon Isotope Ration and Productivity of Dry Beans Under Water Limiting Environments" study investigates the genetic and physiological aspects of gas exchange properties in beans that appear ...


3. Photosynthetic Attributes of Antarctic Plants [ASAC_244]
Metadata record for data from ASAC Project 244 See the link below for public details on this project. From the abstracts of the referenced papers: Photoinhibition of Grimmia antarctici (Grimmia ...


4. Photosynthetic Response of Antarctic and Subantarctic Plants to Light and UV Stress in Undisturbed/Disturbed Habitats [ASAC_227]
Metadata record for data from ASAC Project 227 Photosynthetic Response of Antarctic and Subantarctic Plants to Light and UV Stress in Undisturbed/Disturbed Habitats including Recommendation ...


5. Photosynthesis of subantarctic plants as affected by leaf and canopy temperature variation [ASAC_2544]
Metadata record for data from ASAC Project 2544 See the link below for public details on this project. Public Summary Recent global warming is evident for many subantarctic islands. Rising temperatures ...


6. Macroalgal responses to heavy metals and varying light levels at Casey Station [ASAC_2201_Runcie]   PARENT METADATA
1. In situ chlorophyll fluorescence measurements using pulse amplitude technique (PAM) of macroalga Desmarestia menziesii, assessing adaptation to high light exposure after sea ice breakout, and impact ...


7. Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans Cape Armitage and Turtle Rock [K043_2008_2012_NZ_5]
Five ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...


8. plant and animal propagules inadvertently carried into the Antarctic - FATE [FATE]
Data were collected on three sites, see under Purpose. For Falklands Islands there are observations and countings of species, and data on soil respiration (2004, 2005). For all three sites climate ...


9. LTER Georgia Coastal Ecosystems - December 2002 surface water phytoplankton productivity for 10 Georgia Coastal Ecosystems LTER sampling sites - page11_LTER_GCE_PHP_GCEM_0302e [page11_LTER_GCE_PHP_GCEM_0302e]   PARENT METADATA
Water samples were collected by Niskin bottle or by hand from just beneath the surface during low tide surveys at or near 10 GCE-LTER sampling sites in December 2002. The incorporation of radiolabelled ...


10. LTER Georgia Coastal Ecosystems - September 2002 surface water phytoplankton productivity for 10 Georgia Coastal Ecosystems LTER sampling sites - page12_LTER_GCE_PHP-GCEM-0302d [page12_LTER_GCE_PHP-GCEM-0302d]   PARENT METADATA
Water samples were collected by Niskin bottle or by hand from just beneath the surface during low tide surveys at or near 10 GCE-LTER sampling sites in September 2002. The incorporation of radiolabelled ...


11. Adaptive strategies of lichen species to cold environments: Antarctica and the Mediterranean high mountains. [CNDA-ESP_ANT94-0905_LIQ_05]   PARENT METADATA
In English: At the beginning of the 1990's our ecophysiological research on Antarctic lichens was focussed on adaptations to cope with low temperatures. We assumed that low ...


12. AfSIS MODIS Collection: Primary Productivity, 2012 Release [CIESIN_AfSIS_MODIS_PP2012]
The Africa Soil Information Service (AfSIS) Moderate Resolution Imaging Spectroradiometer (MODIS) Collection's Primary Productivity data set contains rasters with the following calculations: time ...


13. Agricultural Online Access (AGRICOLA) Database [USDA_AGRICOLA]
AGRICOLA (AGRICultural OnLine Access) is a bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Production ...


14. Algal composition, physico-chemical features, photosynthetic carbon metabolism, nitrogen cycling and the structure and metabolic properties of algal mats in lakes and streams of southern Victoria Land [K081_1983_1986_NZ_1]
A three year study of lakes and stream of southern Victoria Land was conducted from 1983-1986. In the first season, the algal composition and physico-chemical characteristics of South Victoria Land ...


15. Analysis of the effects of environmental factors (temperature, light, water content and CO2 concentration) on the photosynthesis activity of two common Antarctic mosses and a cyanobacterial mat in the Taylor Valley [K024_2002_2003_NZ_2]
A detailed study of how the environmental factors temperature, light, water content and carbon dioxide concentration affected photosynthesis of the two common mosses Bryum argenteum and Hennediella ...


16. Analysis of the endolithic communities in the McMurdo Dry Valleys: microclimate, biodiversity, community structure, biomass, photosynthetic activity and genetic diversity [K024_2003_2008_NZ_1]
The photosynthetic activity of endolithic communities at three sites in the Ross Sea Region, including Mt Falconer in the Taylor Valley, Linnaeus Terrace in the Asgard Range, the Nussbaumriegel in ...


17. Antarctic Coastal Ecology [ACE]
Objectives: • To assess the structure and functioning of the Antarctic coastal ecosystem and the relationships between marine and terrestrial biota. • To assess the origin of organic ...


18. 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), ...


19. Architectural and Physiological Limit on Carbon Balance in Plants [USDA0576]
The objective of "Architectural and Physiological Limit on Carbon Balance in Plants" is to investigate genetic differences in the architectural and physiological characteristics known to influence ...


20. Average Chlorophyll concentrations for the Southern Ocean across latitude bands 40-50 deg S, 50-60 deg S, 60 deg S-continent [SOE_chlorophyll]
This indicator is no longer maintained, and is considered OBSOLETE. INDICATOR DEFINITION Chlorophyll concentrations from Southern Ocean surface water collected at a depth of 0-7 metres, along cruise ...


21. Benthic mat biomass and productivity (photosynthesis and respiration) in Lake Vanda, Wright Valley and the role of invertebrates in carbon cycling in the lake [K081_1997_2000_NZ_1]
The importance of benthic microbial production in the lakes of the McMurdo Dry Valleys and how the benthic cyanobacterial mats are adapted to survive and grow in deep water (extreme low light but ...


22. Benthic mat biomass, productivity (photosynthesis and respiration) and contributions to lake nutrient cycling in Lake Hoare, Taylor Valley [K081_1996_2000_NZ_1]
The importance of benthic microbial mat production in the Lake Hoare, Taylor Valley and how the mats are adapted to survive and grow in deep water (extreme low light but no freezing) was investigated. ...


23. Biochemical and Biophysical Response Mechanisms to Radiation Stress [USDA0513]
The purpose of "Biochemical and Biophysical Response Mechanisms to Radiation Stress" is to determine the effect of UV-B radiation alone and in combination with other stress factors. Collection Organization: ...


24. Biological, Chemical, and Hydrographic Data from the NEMP/PULSE Ocean Monitoring Program [NMFS0042]
Chemical, biological, and hydrographic measurements were collected from 1978 to 1985 by the National Marine Fisheries' Northeast Fisheries Center at Sandy Hook New Jersey, and Milford, Connecticut. ...


25. Biological, physical and chemical parameters in water and microbial mat samples from ponds in Victoria Valley [K081_2003_2005_NZ_2]
Water and microbial mat communities of the ponds in the Victoria Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and altitudinal gradients ...


26. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Cape Hallett vicinity and cryoconite holes on the Tucker and Bornmann glaciers [K081_2005_2006_NZ_3]
A series of 10 ponds, located away from the main influences of the penguin colony at Cape Hallett, were investigated for variation in chemistry and microbial mat development. Cores of benthic microbial ...


27. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Labyrinth area of Wright Valley [K081_2003_2005_NZ_1]
Water and microbial mat communities of the ponds in the Labyrinth area of Wright Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and ...


28. Biology of Antarctic Algae [ASAC_102]
Metadata record for data from ASAC Project 102 See the link below for public details on this project. From the abstracts of some of the referenced papers: Six species of marine microalgae, namely ...


29. Biology of lichen communities in Antarctica. [CNDA-ESP_LIQ_PAD]   CHILD METADATA
In English: This dataset contains information on the registered data on studies of the biology of lichen communities in Antarctica. This dataset is also the parent record ...


30. CO2 and Temperature Effects on Two Subtropical Grassland Species: A C3 Legume and C4 Stoloniferous Grass. [USDA.ARS.CGERU.CO2tempFlorida]
(Adapted from an Abstract Presented at ARS Carbon Storage Workshop) THE PROBLEM: After maximal deforestation in the Eastern USA, and particularly the Southeastern USA, much land returned naturally ...


31. Calcite Concentration, Calcification, and Photosynthesis Measured during the U.S. JGOFS Arabian Sea Process Study [USJGOFS_ARAB_CALCITE_PROD]
A component of U.S. Joint Global Ocean Flux Study (JGOFS) is the Arabian Sea Process Study. Eleven cruises took place aboard the R/V Thomas G. Thompson for about sixteen months ...


32. Carbon Dioxide and Climatic Change Effects on Crops and Trace Gas Exchange with the Atmosphere [USDA0518]
The purpose of the "Carbon Dioxide and Climatic Change Effects on Crops and Trace Gas Exchange with the Atmosphere" dataset is to determine the effect of elevated CO2 and temperature on acclimation ...


33. Carbon Exchange on the Short-grass Steppe and the Northern Mixed Prairie. [USDA.ARS.RRRU.Carbonxchng]
(adapted from project abstracts) Problems: While the importance of rangelands for domestic animal grazing and wildlife have been appreciated for some time, their role in the global C cycle is only ...


34. Characterization of intra-, inter-annual variability SST, phytoplankton pigment concentration & zooplankton on shelf zone of Humboldt Current System Chile [GLOBEC_044_CHL_008]   PARENT METADATA
Title: Characterization of the intra- and inter-annual variability of sea surface temperature, phytoplankton pigment concentration and zooplankton on the shelf zone of the Humboldt Current System ...


35. Characterization of phototrophic pigment composition, metabolic processes and carbon pools in northern chile. [GLOBEC_049_CHL_013]   PARENT METADATA
Title: Characterization of the phototrophic pigment composition, main metabolic processes and carbon pools occurring in northern chile. A fluorescence peak occurring within the oxygen minimum ...


36. Chesapeake Bay Program [epa_cbprogram]   CHILD METADATA
EPAs Chesapeake Bay Program Office coordinates the goals of the Chesapeake Bay Program (CBP) with the other offices located in EPA's regional office in Philadelphia, Pennsylvania. The CBP is a unique ...


37. Chlorophyll a fluorescence and temperature measurements from lichen and mosses buried under snow at Botany Bay, Granite Harbour [K024_1999_2000_NZ_2]
Fluorescence (chlorophyll a fluorescence) activity measurements were recorded for selected plants for about three weeks to determine if the photosystems of lichen or mosses are active in differing ...


38. Climate change and carbon gain in Antarctic mosses - Drying Responses [AAS_2780_dryingresponse]   PARENT METADATA
We compared the drying responses of clumps of moss from Casey Station, Antarctica, evaluating the changes in mass, water content, photosynthesis (measured by chlorophyll fluorescence), cellular solute ...


39. Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans and Cape Armitage [K043_2008_2009_NZ_5]
Five ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...


40. Comparison of the photosynthetic performance of Umbilicaria species in the Ross Sea region [K024_2002_2003_NZ_3]
The photosynthetic performance of Umbilicaria species was measured under standard conditions in the laboratory and compared with Umbilicaria species from the Taylor Valley and Mt Kyffin.


41. EFFECTS OF UV-RADIATION AND HERBIVORY ON PHYSIOLOGY, STRUCTURE SUCCESSION OF BENTHIC MICRO-MACROALGAL SPECIES OF POTTER COVE (SOUTH SHETLAND, ANTARCTICA) [CDA_AR_PICTA-05-2004-UV-BENTOS]
ENGLISH Due to the depletion of the stratospheric ozone layer, solar ultraviolet-B radiation is increasing on the Earth's surface. UV-B radiation has demonstrated to be an environmental stress factor ...


42. EOS Land Validation Core Site: Mongu, Zambia, Africa [LANDVAL_MONGU]
The EOS Land Validation Core Sites are intended as a focus for land product validation over a range of biome types. These sites will provide a focus for satellite, aircraft, and ground data collection ...


43. EOS Land Validation Core Site: Skukuza, Kruger NP, Republic of South Africa [LANDVAL_SKUKUZA]
The EOS Land Validation Core Sites are intended as a focus for land product validation over a range of biome types. These sites will provide a focus for satellite, aircraft, and ground data collection ...


44. Ecological investigation of nitrogen sources and sinks in Lake Wilson and three catchment ponds in the Darwin Glacier region [K081_1992_1993_NZ_1]
Ecological investigations into the waters of the Darwin Glacier region (extreme southern end member to the Dry Valley system) were carried out to extend knowledge of microbial processes to high latitude ...


45. Ecophysiology (CO2 / O2 exchange, nitrogen fixation rates and chlorophyll a levels) of endolithic algae from Marble Point, Antarctica [K024_1979_1980_NZ_2]
Rocks containing endolithic algae were collected from the Marble Point area. Infra-red gas analysis and Warburg Manometry studies were carried out to ascertain carbon dioxide and oxygen exchange. ...


46. Effects of Elevated UV Irradiation and CO2 Levels on Antarctic and Subantarctic Plants, Including Implications for Ecosystem Management [ASAC_115]
Metadata record for data from ASAC Project 115 See the link below for public details on this project. From the abstract of the referenced paper: Umbilicaria decussata, Usnea sphacelata, Ceratodon ...


47. Effects of disturbance and climate on carbon storage and the exchanges of CO2, water vapor and energy exchange of evergreen coniferous forests in the Pacific Northwest [NACP-Law-01]
The goal is to continue investigating the effects of disturbance and interannual variation in climate on processes controlling carbon storage and the exchanges of energy, CO2, and water vapor in semi-arid ...


48. Elevated CO2: Effects on Tree (Orange Trees) and Insects: Temperature Interactions and Modeling Crop Response [USDA0529]
The purpose of the research data found in "Elevated CO2: Effects on Tree (Orange Trees) and Insects: Temperature Interactions and Modeling Crop Response" was to determine the long-term effects of ...


49. Examination of the photosynthetic behaviour (energy content, nutrient content, productivity and acclimation) of mosses and lichens throughout the summer season at Cape Hallett [K024_2004_2006_NZ_2]
A possible sign of climate change is likely to be improved production and growth in plants. The response of net photosynthetic rates were measured on the large areas of relatively uniform moss cover ...


50. Experimental measurements of the effects of the environmental factors (temperature, light, water content and carbon dioxide concentration) on the photosynthesis activity of Antarctic mosses and lichens at Cape Hallett [K024_1998_1999_NZ_2]
A detailed study of how the environmental factors temperature, light, water content and carbon dioxide concentration affected photosynthesis of the two common mosses Bryum argenteum and B. pseudotriquetrum ...


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