Results 91 to 100 of about 482,318 (212)

Exploring Legume-Rhizobia Symbiotic Models for Waterlogging Tolerance

open access: yesFrontiers in Plant Science, 2019
Unexpected and increasingly frequent extreme precipitation events result in soil flooding or waterlogging. Legumes have the capacity to establish a symbiotic relationship with endosymbiotic atmospheric dinitrogen-fixing rhizobia, thus contributing to ...
Chiara Pucciariello   +4 more
doaj   +1 more source

Remarkable catalytic activity of dinitrogen-bridged dimolybdenum complexes bearing NHC-based PCP-pincer ligands toward nitrogen fixation

open access: yesNature Communications, 2017
Intensive efforts for the transformation of dinitrogen using transition metal–dinitrogen complexes as catalysts under mild reaction conditions have been made. However, limited systems have succeeded in the catalytic formation of ammonia.
Aya Eizawa   +7 more
semanticscholar   +1 more source

N2 cleavage by silylene and formation of H2Si(μ-N)2SiH2

open access: yesNature Communications
Fixation and functionalisation of N2 by main-group elements has remained scarce. Herein, we report a fixation and cleavage of the N ≡ N triple bond achieved in a dinitrogen (N2) matrix by the reaction of hydrogen and laser-ablated silicon atoms. The four-
Liyan Cai   +5 more
doaj   +1 more source

Evidence for efficient regenerated production and dinitrogen fixation in nitrogen-deficient waters of the South Pacific Ocean: impact on new and export production estimates [PDF]

open access: yesBiogeosciences, 2008
One of the major objectives of the BIOSOPE cruise, carried out on the R/V Atalante from October-November 2004 in the South Pacific Ocean, was to establish productivity rates along a zonal section traversing the oligotrophic South Pacific Gyre (SPG ...
P. Raimbault, N. Garcia
doaj  

Five decades of N2 fixation research in the North Atlantic Ocean

open access: yesFrontiers in Marine Science, 2015
Dinitrogen (N2) fixation (the reduction of atmospheric N2 to ammonium by specialized prokaryotic microbes), represents an important input of fixed nitrogen and contributes significantly to primary productivity in the oceans.
Mar eBenavides, Maren eVoss
doaj   +1 more source

Budget of Primary Production and Dinitrogen Fixation in a Highly Seasonal Red Sea Coral Reef

open access: yesEcosystems, 2016
Biological dinitrogen (N2) fixation (diazotrophy, BNF) relieves marine primary producers of nitrogen (N) limitation in a large part of the world oceans.
U. Cardini   +6 more
semanticscholar   +1 more source

Divergent Capacity of Scleractinian and Soft Corals to Assimilate and Transfer Diazotrophically Derived Nitrogen to the Reef Environment

open access: yesFrontiers in Microbiology, 2019
Corals are associated with dinitrogen (N2)-fixing bacteria that potentially represent an additional nitrogen (N) source for the coral holobiont in oligotrophic reef environments.
Chloé A. Pupier   +7 more
doaj   +1 more source

Ocean dinitrogen fixation and its potential effects on ocean primary production in Earth system model simulations of anthropogenic warming

open access: yesElementa: Science of the Anthropocene, 2018
Dinitrogen fixation (DNF) provides a large fraction of the ‘new’ nitrogen supporting upper ocean productivity, and is associated with environmental conditions likely to show substantial change under anthropogenic warming.
O. G. J. Riche, J. R. Christian
doaj   +1 more source

Evaluating the Impact of Atmospheric Depositions on Springtime Dinitrogen Fixation in the Cretan Sea (Eastern Mediterranean)—A Mesocosm Approach

open access: yesFrontiers in Marine Science, 2016
Large amounts of dust and atmospheric aerosols, originating from surrounding desert areas (e.g., Sahara and Middle East) are deposited annually on the surface of the Eastern Mediterranean Sea.
E. Rahav   +13 more
semanticscholar   +1 more source

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