Link to Web Site Portal Home
Thumbnail Icon Science Keywords > BIOSPHERE > VEGETATION > NITROGEN



Refine by Category
 
Refine by Full Text

 

4 Titles Match Your Query
Showing 1 through 4 of 4
1. Nitrogen fixation and carbon assimilation rates of fumarole plants from the Mt Erebus crater rim [K024_1979_1980_NZ_1]
Sterile samples of plants were taken from Mt. Erebus crater rim and returned to New Zealand for in situ acetylene reduction assays for nitrogen fixation and 14C assimilation assays.


2. 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. ...


3. Nutrient transfer from penguin colonies to the vegetation at Cape Hallett: A measurement of the transfer of organic nitrogen in the form of ammonia [K024_2004_2006_NZ_3]
The transfer of nutrients from marine to terrestrial ecosystems are though to be important for vegetation. The transfer rate of organic nitrogen in the form of ammonia from the penguin colonies to ...


4. Carbon and nitrogen fixation rates from microbial mat populations in moraine ponds on the McMurdo Ice Shelf [K081_2004_2005_NZ_4]
Carbon and nitrogen fixation experiments were conducted on mats collected from 10 of the ponds on the McMurdo Ice Shelf near Bratina Island. Nitrogen fixation was determined via reduction of acetylene ...


Showing 1 through 4 of 4

Link to NASA website
Responsible NASA Official:   Lola Olsen
Webmaster:   Monica Holland   ·  Contact GCMD User Support for assistance