Titlebook: Marine Pelagic Cyanobacteria: Trichodesmium and other Diazotrophs; E. J. Carpenter,D. G. Capone,J. G. Rueter Book 1992 Springer Science+Bu

Initiative

Discoloured Waters in the Melanesian Archipelago (New Caledonia and Vanuatu). The Value of the Nimbgotrophic waters of the southwestern tropical Pacific, in the Melanesian archipelago, around New Caledonia, Vanuatu (and Tonga). An attempt was made to define, in the four CZCS channels, the reflectance properties of these blooms attributed to ., a nitrogen-fixing cyanobacterium commonly found in th

宮殿般

Development of Algorithms for Remote Sensing of , Blooms, methods. Information on the variability and spatial extent of this cyanobacterium is essential for calculation of its contribution to carbon and nitrogen fluxes. Intense surface blooms of . have been observed in satellite imagery from the Coastal Zone Color Scanner and in color photography from the

有法律效應(yīng)

Nitrogen Fixation in , Blooms,as twenty moderate-size (20,000 km.) blooms occur globally and last for 15 days per year, a total of 5.4 Tg N would be fixed, a value which would more than double the current estimate of pelagic N. fixation by . in the world’s oceans.

說(shuō)明

無(wú)表情

Buoyancy Regulation and Vertical Migration of , a Computer-Model Prediction,wed that the colonies can sink to depths of 100 to 200 m, although, in general, the buoyancy regulation will keep the colonies in the upper water layers. The simulation also showed that nitrogen fixing colonies are more prone to photoinhibition and, as a consequence. will form surface blooms, which

fulcrum

Molecular Biology of Nitrogen Fixation in Natural Populations of Marine Cyanobacteria,atural populations. ., a non-heterocystous cyanobacterium which is the dominant free-living diazotroph in open ocean waters, is unusual in that it fixes nitrogen aerobically without heterocysts. Furthermore, it has been shown that . only fixes nitrogen during the day, when photosynthetically active.

輕信

核心

ornithology

lymphoma

Pirzada J. A. Siddiqui,Edward J. Carpenter,Birgitta Bergmand the fovea. The joint learning of every pixel position relative to the optic disc and the fovea favors an automatic understanding of the overall anatomical distribution. This results in an effective technique that can detect both locations simultaneously, as opposed to previous methods that handle