Biological Oceanography

Chapter 3 Habitat determinants of primary production in the sea In the trophic–dynamic approach to ecosystems, we ...

photosynthesis. (a) Linear electron flow begins with excitation of the photosynthetic reaction centers, PSII ...

the carbon dioxide. The water on the product side derives from a dehydroxylation step. This generalized ...

Absorption by pigments is not 100% perfect, and some wavelengths are more effective than ot ...

four regions: Grand Banks (showing ± 1 Standard Error), ice algae, Arctic open water, and Sargasso S ...

a number of methods that are simple in principle, more complex in practice. The basic method is to collect a ...

(^) The ^14 C method has been used all over the world since 1952. There is a large mass of data, and ...

Another issue for ^14 C measurements of primary production is whether the calculated rates represent ...

light intensity (Mackey et al. 2008). Halsey et al. (2010) showed that in Dunaliella tertiolecta the difference b ...

Box 3.1 Use of Chlorophyll Fluorescence to Measure Photosynthetic Activity (^) Light energy absorbed by chlorophyll ...

resolution of photosynthetic activity than is possible with the traditional ^14 C technique. The flu ...

(^) At even higher intensities, the rate begins to fall off, an effect called photoinhibition. Thi ...

function: (^) that has been applied by many field workers (e.g. Welschmeyer 1993). The parameter β is the inte ...

term measurements (Fig. 3.6 a & c). Or the activity of the dark-reaction system may be increased at ...

Figure 3.7 shows P vs. E curves for low- and high-light acclimated Skeletonema costatum. Interpretation of the ...

high-light-acclimated cells appear to outperform the low-light-acclimated cells at high light intensities. Whe ...

...

(^) Physiological acclimation to variations in irradiance serves to minimize variations in growth rate when l ...

(^) Extinction of light with depth means that at some depth, fairly close to the surface, irradiance wil ...

Bio-optical Models of Primary Production (^) Bio-optical models of primary production (P) take the general form of: ( ...