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Browsing by Subject "Chlorophyll"

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Deriving a proxy for iron limitation from chlorophyll fluorescence on buoyancy gliders

Author: Ryan-Keogh, Thomas J ; Thomalla, Sandy J Date: May 2020 Chlorophyll fluorescence, primarily used to derive phytoplankton biomass, has long been an underutilized source of information on phytoplankton physiology. Diel fluctuations in chlorophyll fluorescence are affected by both photosynthetic ... Read more
Evaluation of chlorophyll-a and POC MODIS aqua products in the Southern Ocean

Author: Moutier, William ; Thomalla, Sandy J ; Bernard, Stewart ; Wind, G ; Ryan-Keogh, Thomas J ; Smith, Marie E Date: Jul 2019 The Southern Ocean (SO) is highly sensitive to climate change. Therefore, an accurate estimate of phytoplankton biomass is key to being able to predict the climate trajectory of the 21st century. In this study, MODerate resolution Imaging ... Read more
An FTIR study on the chlorophyll and apoprotein aggregation states in LHCII due to solvent effects

Author: Smit, Jacoba E ; Prinsloo, LC ; Nel, JM Date: Jul 2012 Photosynthesis provides us with the most abundant and efficient light-harvesting systems found in nature. The photosynthetic process is very much dependent on the aggregation state of the chlorophylls and secondary conformational structure ... Read more
Influence of solvent effects on Qy transitions in chlorophyll

Author: Smit, E ; Prinsloo, LC ; Nel, JM ; Grobler, AF ; Sparrow, RW Date: Jul 2011 The most abundant and efficient light harvesting, energy transfer and transduction systems are found in nature within the process of photosynthesis. Although the processing sequences of an absorbed solar photon in the photosynthetic apparatus ... Read more
Physiological responses of selected African sorghum landraces to progressive water stress and re-watering

Author: Devnarain, N ; Crampton, BG ; Chikwamba, Rachel K ; Becker, JVW ; O'Kennedy, Maretha M Date: Mar 2016 Sorghum is particularly drought tolerant compared with other cereal crops and is favoured for subsistence farming in water scarce regions of the world. This study was conducted to identify South African sorghum landraces with superior drought ... Read more
Phytobenthos and phytoplankton community changes upon exposure to a sunflower oil spill in a South African protected freshwater wetland

Author: Oberholster, Paul J ; Blaise, C ; Botha, A-M Date: Aug 2010 The occurrence of a sunflower oil spill in 2007 in the Con Joubert Bird Sanctuary freshwater wetland, South Africa, inhibited the growth of sensitive phytoplankton species and promoted that of tolerant species. The algal divisions Chlorophyta ... Read more

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Browsing by Subject "Chlorophyll"

Browsing by Subject "Chlorophyll"

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