Skip to Main Content Navigation (press 3)
FAQ
Site Map
Contact Us
Home
Search GCMD
Learn about GCMD
Portals
Collaborate
Data Sets
Services / Tools
Ancillary Descriptions
Search By >>
Science Keywords
Instruments
Platforms
Locations
Providers
Projects
Map/Date
Free text
Science Keywords
>
BIOSPHERE
>
ECOLOGICAL DYNAMICS
> ECOSYSTEM FUNCTIONS
BIOGEOCHEMICAL CYCLES
(184)
BIOMASS DYNAMICS
(334)
CHEMOSYNTHESIS
(6)
CONSUMPTION RATES
(38)
DECOMPOSITION
(49)
EXCRETION RATES
(8)
FOOD-WEB DYNAMICS
(96)
NUTRIENT CYCLING
(146)
OXYGEN DEMAND
(30)
PHOTOSYNTHESIS
(150)
PRIMARY PRODUCTION
(368)
RESPIRATION RATE
(60)
SECONDARY PRODUCTION
(38)
TROPHIC DYNAMICS
(83)
+
NASA Privacy Policy and Important Notices
Webmaster:
Monica Holland
Responsible NASA Official:
Lola Olsen
Last updated: May 2013
