'2 fixation' diaporamas de présentation

Nitrate isotopes as a constraint on the ocean's fixed N budget

Nitrate isotopes as a constraint on the ocean's fixed N budget. Daniel Sigman, Princeton University. Sargasso Sea nitrate N isotopes, GCM experiments, and Atlantic N 2 fixation. Angela Knapp, University of Southern California Peter DiFiore, Princeton University Curtis Deutsch, UCLA

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Investigating the factors which influence the carbon fixation of Chlorella pyrenoidosa

Investigating the factors which influence the carbon fixation of Chlorella pyrenoidosa and the further use. Tianjin Nankai Highschool 2012. Here We are. Part 1. Introduction. outline. Chlorella. outline. Part 2. Variables & Methods. Hypothesis. Variables and Groups. Conditions:.

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Stable Isotopes and Microbial Biogeochemistry

Karen Casciotti Woods Hole Oceanographic Institution. Stable Isotopes and Microbial Biogeochemistry. Part 2: Isotopic fractionation and natural abundance level isotope variations. Marine Nitrogen Cycle. Atmospheric deposition and continental inputs. CO 2. Atmospheric N 2. N 2 O. N 2 O.

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NITROGEN CYCLE

BIOCHEMISTRY

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Cyanobacteria

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NITROGEN METABOLISM FIXATION

NITROGEN METABOLISM FIXATION. Submited by- Anjali Rai MSc (P) Biotechnology. NITROGEN METABOLISM. Nitrogen Fixation can be defined as the conversion of molecular nitrogen into fixed form of nitrogen to make it available for absorption by plants.

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Modeling global river export: N, P, C, Si

Sybil P. Seitzinger International Geosphere-Biosphere Program (IGBP) Stockholm, Sweden. Modeling global river export: N, P, C, Si. E. Mayorga A.F. Bouwman C. Kroeze J.A. Harrison A.H.W. Beusen G. Billen G. Van Drecht E. Dumont B.M. Fekete C. Vorosmarty J. Garnier.

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Bolbfish

Bolbfish. The blobfish ( Psychrolutes marcidus ) is a fish that inhabits the deep waters off the coasts of Australia and Tasmania. Due to the inaccessibility of its habitat, it is rarely seen by humans.

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??????? ???? (EBTL ? ???? ) Research Examples of Environmental Biotechnology

??????? ???? (EBTL ? ???? ) Research Examples of Environmental Biotechnology. ?? ?? ? ??. ????????? ?? (Environmental Biotechnology Lab.: EBTL) ??? ? ?? ?? ??? ?? ???? (Biosorption) ???? ???? ? ???? CO 2 ??? ?? ??? ???? ???? ?? ???? ??????? ??? ??. EBTL ? ?? ??.

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KAPITOLA 11

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Lecture 19 The Ocean Nitrogen Cycle

Lecture 19 The Ocean Nitrogen Cycle. Denitrification Reactions Distributions Nitrogen Fixation Reactions Distributions. Main Ocean Source of N Nitrogen Fixation Enzyme catalyzed reduction of N 2 N 2 + 8H + + 8e - + 16 ATP ? 2NH 3 + H 2 + 16 ADP + 16P i

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Nutrient Cycles

Georgia Institute of Technology. Biological Oceanography. Nutrient Cycles. Nutrient limitation N sources N Cycle Budget N 2 Fixation Links to the C Cycle. Marine N Limitation (Ryther & Dunstan 1971). Krebs, Fig. 25.08. Anthropogenic N Loading. Krebs, Fig. 27.18.

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BC10M: Introductory Biochemistry, 2005 Semester 2.

BC10M: Introductory Biochemistry, 2005 Semester 2. Thursday 24 Mar. Lecture 28 N 2 & CO 2 fixation Nitrogen metabolism & photosynthesis Andrew Pearson. N 2 metab. Approx. 16 ATPs/ N 2 fixed. N 2 metab. N 2 metab. N 2 metab. N 2 metab. Inter-organ N transfer. N 2 metab.

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Arrigo (2005) Marine Microorganisms and Global Nutrient Cycles Nature 437: 349-355

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Photosynthesis: the light-independent reactions

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?????? < ??????? ?? ?? >. EBTL-Jeon You Chul. Global Warming Problems. Global warming is caused by the continuous development under regardless of environment. Result from accumulation of Green House Gases ( CO 2 , CH 4 , CFCs, water vapor, etc.) in the atmosphere

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Nitrogen Cycle

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Carbon Pathways through the Amazon River System: From Small Streams to the Outer Ocean Plume

Carbon Pathways through the Amazon River System: From Small Streams to the Outer Ocean Plume Jeffrey E Richey, Alex V Krusche, Erin E Ellis, Maria V Ballester, Mark S Johnson, Reynaldo L Victoria, Hilandia Brandao. 250. 200. Q (10 3 m 3 /s). Jun 2. 150.

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A new technique for remote sensing of Trichodesmium

Modeled Chl tricho [mg m -3 ]. Rrs( l ,0 + ) [sr -1 ]. Measured Chl tricho [mg m -3 ]. Wavelength [nm]. Tricho [trichomes L -1 ]. Chl [mg m -3 ]. A new technique for remote sensing of Trichodesmium Toby Westberry 1 , Dave Siegel 1 , Ajit Subramaniam 2

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