Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-22T04:07:29Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 40 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_PD_ANTARCTIC_2008 2013-05-01T04:00:00Z

Deschampsia antarctica is the only monocot that thrives in the tough conditions of the Antarctic region. It is an invaluable resource for the identification of genes associated with tolerance to various ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_PD_ANTARCTIC_2010 2013-04-19T04:00:00Z

Quantitative real time PCR is the most sensitive and widely used method for the analysis of gene expression. The choice of one or several reference genes is very important for a normalization process, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]MI_Azorella_dieback_5x5m 158.77,-54.78,158.95,-54.48 2008-11-01T00:00:00Z 2011-12-10T00:00:00Z 2013-03-05T05:00:00Z

This data set comprises data on Azorella macquariensis dieback from four summer seasons at a range of sites across Macquarie Island: 2008-09, 2009-10, 2010-11, 2011-12. Data on the proportion of healthy ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3095-Macca-soil-0910-Jared 158.861,-54.62,158.861,-54.62 2008-10-01T00:00:00Z 2009-03-31T00:00:00Z 2013-02-22T05:00:00Z

This data contains the spatial information associated with the sites from which the soil samples were collected. It also contains the initial weights for each soil sample. Soil samples were collected ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_226 158.86,-54.61,158.86,-54.61 1990-09-01T00:00:00Z 1993-03-31T00:00:00Z 2013-02-21T05:00:00Z

Observations on the phenology, breeding systems and seed germination and vegetation reproduction of 10 widespread species of flowering plants were made over three summer field seasons. Species studied ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1015_macca_veg_change 158.8,-54.75,158.95,-54.5 2000-12-12T00:00:00Z 2007-04-30T00:00:00Z 2013-02-05T05:00:00Z

Taken from the report in the download file: Plot data and satellite imagery were used to examine changes in vegetation between 2000 and 2007. These data were examined in light of changes in rabbit ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_PLANT_ANTARCTIC_2012 -58.78495,-62.22405,-58.78495,-62.22405 2012-11-06T05:00:00Z

Vascular plant samples from Barton Peninsula of King George Islands collected in January 2012, including data for collector, locality, and habitat for 10 moss samples

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1015_MIGPS03 158.8789,-54.5019,158.8878,-54.4964 2003-03-25T00:00:00Z 2003-03-28T00:00:00Z 2012-10-11T04:00:00Z

Current positional data for Poa litorosa and Carex trifida at Handspike Point area (Macquarie Island) were collected using Global Positioning System (GPS) equipment and standard observational techniques. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1015_HIGPS03_04 73.247,-53.197,73.885,-52.96 2003-12-23T00:00:00Z 2004-02-21T00:00:00Z 2012-06-25T04:00:00Z

Metadata notes for RiSCC Heard Island 2003_04 season (ASAC 1015) - DGPS data and Base Station data DGPS data are described below, and associated data files listed. 1. Three Island study - Phenology ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3095_Anatomical_Data 158.86,-54.65,158.862,-54.59 2011-11-20T00:00:00Z 2011-12-19T00:00:00Z 2012-03-16T04:00:00Z

The dataset contains a series of anatomical images of plant specimens collected as part of AAS (ASAC) project 3095 at Macquarie Island during the summer of the 2011/2012 season. Species The four ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]JCADM_NL-NADC_BIOTIC_RESPONSES -69.0,-68.0,-68.0,-67.0 1997-01-01T00:00:00Z 2000-01-01T00:00:00Z 2012-01-11T05:00:00Z

The significant impact of enhanced UV-B radiation on Antarctic marine organisms has been widely recognized. So far studies on Antarctic terrestrial organisms are few. The aim of the project is to ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Deschampsia_project_NL_Wouw -68.34,-67.6,51.0,-47.0 2003-01-01T00:00:00Z 2006-03-01T00:00:00Z 2012-01-11T05:00:00Z

PROBLEM DEFINITION Genetic exchange between local populations of Deschampsia Antarctica (Poaceae), one of the two phanerogams occurring in Antarctica, might be difficult. Dispersal of the species ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_194 158.0,-54.5,159.0,-54.0 1990-12-01T00:00:00Z 1991-01-31T00:00:00Z 2011-11-22T05:00:00Z

The nitrogen fixing biota of Macquarie Island are dominated by cyanobacteria growing epiphytically or symbiotically with plants or lichens. Highest rates of acetylene reduction (N-fixation) were found ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2317 158.8,-54.7,158.9,-54.6 2002-09-30T00:00:00Z 2003-03-31T00:00:00Z 2008-09-30T00:00:00Z 2009-03-31T00:00:00Z 2011-07-29T04:00:00Z

The project is a longterm monitoring program which commenced in 1980. The aim was to monitor vegetation and erosion changes on Macquarie Island (tall tussock vegetation on the steep coastal slopes, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]Heard_86-87_Report 73.5,-53.13,73.56,-53.07 1986-11-16T00:00:00Z 1987-01-21T00:00:00Z 2011-05-12T04:00:00Z

Heard Island Expedition, 16 November 1986 to 21 January 1987, report written by Rod Ledingham, Officer in Charge. Taken from the report: The 1986-87 expedition was the second in a series of three ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]DB_IMAGEAntarctica 60.0,-75.0,160.0,-53.0 1838-01-01T00:00:00Z T00:00:00Z 2010-12-21T05:00:00Z

The IMAGEAntarctica catalogue contains records of images held in the Australian Antarctic Division's Multimedia Image Library. The material predominantly depicts Australia's presence and activities ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]mi_vascular_plants_census_1979 158.7895,-54.7662,158.9428,-54.4905 1978-02-01T00:00:00Z 1979-02-01T00:00:00Z 2010-11-12T05:00:00Z

The atlas shows the known distribution and abundance of each vascular species on Macquarie Island immediately prior to the commencement of control measures against rabbits in 1978. It gives a baseline ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]Macq_Is_JJ_001 158.8,-54.68,158.9,-54.56 1965-03-01T00:00:00Z T00:00:00Z 2010-08-10T04:00:00Z

Data comprise records of vegetation change on Macquarie Island as a result of grazing by rabbits and possible effects of climatic change. Data include presence and absence of species, together with ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2545 158.0,-55.0,159.0,-54.0 2004-02-01T00:00:00Z 2004-12-31T00:00:00Z 2009-09-30T00:00:00Z 2011-03-31T00:00:00Z 2010-07-28T04:00:00Z

Metadata record for data expected from ASAC Project 2545 See the link below for public details on this project. The orchid Nematoceras (Corybas) dienema has been found in several ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1187_megaherbs 72.0,-54.0,73.0,-53.0 2000-10-01T00:00:00Z 2000-11-30T00:00:00Z 2010-07-26T04:00:00Z

From the abstract of the referenced paper: Buildings were constructed and artefacts left behind on sub-Antarctic Heard Island, associated with Antarctic research expeditions since 1926. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_246 158.8,-54.7,158.9,-54.55 1979-09-01T00:00:00Z 1989-03-31T00:00:00Z 2010-07-20T04:00:00Z

Metadata record for data from ASAC Project 246 See the link below for public details on this project. From the abstract of the referenced paper: Analyses of data collected ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]TAD001 -180.0,-90.0,180.0,-62.83 2010-07-02T04:00:00Z

Our research examined the influence of ultraviolet-B radiation (UV-B) and warming on the performance of Antarctic flowering plants (i.e. Deschampsia antarctica, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[BAS_AEDC]GB-NERC-BAS-AEDC-00260 -68.35,-67.6,-36.48333,-54.28333 2002-01-01T00:00:00Z 2003-12-31T00:00:00Z 2010-04-27T04:00:00Z

Three plant species, the leafy liverwort Cephaloziella varians and the angiosperms Deschampsia antarctica and Colobanthus quitensis, were sampled from 12 islands across a 1480 km latitudinal gradient ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[BAS_AEDC]GB-NERC-BAS-AEDC-00262 -68.35,-67.6,-36.48333,-54.28333 2002-07-01T00:00:00Z 2005-06-30T00:00:00Z 2010-04-27T04:00:00Z

This study investigated the status of dark septate ("DS") fungi in Antarctic plant and soil communities, with the aim of determining the abundance of DS fungi in plant roots and rhizoids, their taxonomic ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[BAS_AEDC]GB-NERC-BAS-AEDC-00023 -180.0,-90.0,180.0,0.0 1775-01-01T00:00:00Z T00:00:00Z 2010-04-27T04:00:00Z

This database contains information on the herbarium specimens held in the herbarium of the British Antarctic Survey (international code AAS) as well as information about specimens collected in the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K021_1998_2008_NZ_6 166.41777,-77.63611,166.41777,-77.63611 2001-01-01T00:00:00Z 2003-01-01T00:00:00Z 2009-01-26T05:00:00Z

The seeds presently in the open containers at the historic hut at Cape Evans were examined, collected (2001-2003) and germination was attempted. The seeds were placed in sealed glass containers and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]Heard_veg_survey_86-88 72.0,-53.0,73.0,-53.0 1986-11-16T00:00:00Z 1987-01-21T00:00:00Z 1987-09-18T00:00:00Z 1988-03-02T00:00:00Z 2009-01-21T05:00:00Z

Vegetation surveys were conducted on Heard Island during the 1986/87 and 1987/88 Australian National Antarctic Research Expeditions (ANARE). A stratified sampling approach was adopted. Given the limited ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1264 158.8,-54.65,158.9,-54.5572.0,-54.0,73.0,-53.0 2000-11-09T00:00:00Z 2001-04-01T00:00:00Z 2009-01-16T05:00:00Z

Metadata record for data expected ASAC Project 1264 See the link below for public details on this project. ---- Public Summary from Project---- Australia's subantarctic islands are both precious ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]antarctic_biodiversity_db 73.5,-53.2,73.6,-53.1158.0,-54.0,159.0,-54.0-180.0,-90.0,180.0,-62.0 1995-09-30T00:00:00Z T00:00:00Z 2008-04-10T04:00:00Z

The biodiversity database is planned to be a reference on Antarctic and subantarctic flora and fauna collated by the Regional Sensitivity to Climate Change (RiSCC) group and developed by the Australian ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]Bot_Bibliography -180.0,-90.0,180.0,-50.0 1823-01-01T00:00:00Z T00:00:00Z 2008-04-10T04:00:00Z

Antarctic Botanical Bibliography compiled by Dr Ron Lewis Smith of the British Antarctic Survey. There are 3,076 records in this bibliography. The fields in this dataset are: year author title journal

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]heard_species_checklist 72.0,-54.0,74.0,-52.0 2002-04-12T00:00:00Z T00:00:00Z 2008-04-10T04:00:00Z

The url below provides a checklist of species that have been recorded or observed at Heard Island.

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]MQ_INVERT-AB 158.0,-54.0,159.0,-54.0 1986-12-07T00:00:00Z 1987-01-29T00:00:00Z 2008-04-10T04:00:00Z

Analysis of Invertebrate abundance from soils cores on Macquarie Islands. In the summer of 1986-87, total invertebrate abundances were measured quantitatively at eight sites, representing four vegetation ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]RISCC_Bibliography 45.0,-90.0,160.0,-50.0 1995-09-01T00:00:00Z T00:00:00Z 2008-04-10T04:00:00Z

RiSCC Research Support Bibliography compiled by RiSCC group members. There is 1 record in this bibliography. This bibliography contains references to the RiSCC program (Regional Sensitivity to Climate ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]148-92_02 -59.43,-62.22,-59.43,-62.22 1992-02-21T00:00:00Z 1992-02-21T00:00:00Z 2007-02-26T05:00:00Z

Deschampsia antarctica plants were collected in Robert Island, Antarctica, and frozen in liquid nitrogen. Polar lipids and the composition of fatty acids in phospholipids and galactolipids were analysed ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]148-92_01 -59.43,-62.22,-59.43,-62.22 1993-01-01T00:00:00Z 1993-01-30T00:00:00Z 2007-02-26T05:00:00Z

The distribution and size structure of tussocks of the population of Deschampsia antarctica Desv. was studied in the Coppermine Peninsula, Robert Island. Different study sites showed predominance ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_MICROBIOLOGY_PROJECT_FLAVONOIDS-ANTIOXIDANT_CAV-JUBANY-2000 1999-12-01T00:00:00Z 2000-04-10T00:00:00Z 2006-06-05T04:00:00Z

Microbiology Project > CAV 2000 > BASE JUBANY Flavonoids production in superior plants as UVR protecting agents. Effects of UVR on flavonoids synthesis. Qualitative and quantitative studies of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_04 -59.13,-62.22,-59.13,-62.22 1999-01-06T00:00:00Z T00:00:00Z 2005-03-26T05:00:00Z

The data is derived from a study of the reaction of Deschampsia to environmental conditions during the Antarctic summer and consists of biochemical analyses of leaves, analyses by HPLC of lipids, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_01 -59.13,-62.22,-59.13,-62.22 1992-02-15T00:00:00Z 1992-02-27T00:00:00Z 2004-11-02T05:00:00Z

The data set consists of the following: - Biochemical analysis of Deschampsia leaves and root; - Chromatographic Analysis of membrane lipids (lipid profile); - Statistical Analysis; and - ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_03 -59.13,-62.22,-59.13,-62.22 1992-02-15T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

Studies related to the content of non-structural sweeten in Desachampsia antarctica, have been made since 1992. It has been found that the plant accumulates high levels of saccharose and fructose. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_02 -59.13,-62.22,-59.13,-62.22 1993-01-07T00:00:00Z 1993-01-30T00:00:00Z 2004-11-02T05:00:00Z

Data set consists of a statistical analysis (census count) of Deschampsia antarctica population on Robert Island in the South Shetland Islands.