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more general categories information about this item Biological Sciences Biological Sciences biochemistry (102540) biochemical compounds (82890) enzymes (23169) oxidoreductases (7593) nitrogenase (92) biochemical pathways (3177) nitrogen fixation (590) enzymology (9123) enzyme activity (7588) organisms (108862) aquatic organisms (16050) periphyton (137) Calendar Year Calendar Year Year (337475) 2007 (28801) Natural Resources, Earth and Environmental Sciences Natural Resources, Earth and Environmental Sciences atmospheric sciences (22912) meteorology and climatology (21777) climatic zones (3679) tropics (962) seasons (8372) dry season (761) wet season (702) weather (12535) meteorological parameters (8426) precipitation (4367) rain (3591) earth system science (9694) biogeochemical cycles (3883) ecology (54081) community ecology (22291) biodiversity (9506) species diversity (5446) geology (23343) geochemistry (4563) biogeochemistry (4373) biogeochemical cycles (3883) hydrology (18092) hydrologic cycle (222) natural resource management (11559) natural resources conservation (2048) wetland conservation (42) natural resources (75944) biological resources (55960) vegetation (14356) biodiversity (9504) species diversity (5446) land resources (17347) wetlands (2204) soil science (29220) soil biology (8251) soil biochemistry (5305) nitrogen fixation (590) soil chemistry (7710) soil biochemistry (5305) nitrogen fixation (590) soil types (8009) lithological soil types (550) limestone soils (23) Physical and Chemical Sciences Physical and Chemical Sciences chemical substances (129118) biochemical compounds (82878) enzymes (23169) oxidoreductases (7593) nitrogenase (92) chemistry (84737) geochemistry (4563) biogeochemistry (4373) biogeochemical cycles (3883) physics (54990) space and time (9709) spatial variation (1159) temporal variation (6965) seasonal variation (3250) Reference Types Reference Types Journal (337546) Taxa - Archaea, Cyanobacteria and Bacteria Taxa - Archaea, Cyanobacteria and Bacteria Cyanobacteria (1157) Abstract of Article: Will be presented in next release Date Last Accessed: Accessed January 20, 2015 Title of Article: Seasonal changes in periphyton nitrogen fixation in a protected tropical wetland Author(s) of Article: Will be identified in next release Citation: Biology and fertility of soils 2007 v.43 no.3 pp. 367-372 Click to View: (Click to View) Date of Publication: 2007 Location of Article: http://pubag.nal.usda.gov/pubag/article.xhtml?id=458696 Name of Publication: Biology and fertility of soils Publishing Company: Will be identified in next release Accession Number: 89552
