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Items for "photosynthesis"

Importance of within-shoot epiphyte distribution for the carbon budget of seagrasses: the example of Posidonia oceanica

To assess the effects of shading by epiphytes on the carbon balance of the seagrass Posidonia oceanica, we examined the patterns of within-shoot epiphyte abundance on leaves, and their variability with season and depth...

Keywords: carbon balance, irradiance, Mediterranean Sea, photosynthesis, seagrass

07/2004 | Botanica Marina, Walter de Gruyter

Long-term acclimation to UV radiation: effects on growth, photosynthesis and carbonic anhydrase activity in marine diatoms

Oyster-ponds are characterized by cyclical changes in the composition of the microalgal population, and are mainly colonized by diatoms...

Keywords: acclimation, carbonic anhydrase activity, diatoms, photosynthesis, UV radiation

12/2005 | Botanica Marina, Walter de Gruyter

Influence of winter and spring/summer algal communities on the growth and physiology of adjacent scleractinian corals

The influence of winter and spring/summer mixed algal communities from the low intertidal zone on the growth and physiology of four associated species of scleractinian corals was studied in outdoor culture...

Keywords: algae, Competition, Growth, photosynthesis, respiration, scleractinian corals

07/2006 | Botanica Marina, Walter de Gruyter

Temperature response in a shallow-water Mediterranean population of Caulerpa racemosa var. cylindracea (Caulerpales, Chlorophyta), and a possible strategy of season anticipation

We studied growth and photosynthetic response of a shallow-water population of the invasive alga Caulerpa racemosa var...

Keywords: Caulerpa racemosa, growth rate, invasive algae, photosynthesis, temperature

08/2008 | Botanica Marina, Walter de Gruyter

Modeling of variant copies of subunit D1 in the structure of photosystem II from Thermosynechococcus elongatus

In the cyanobacterium Thermosynechococcus elongatus BP-1, living in hot springs, the light environment directly regulates expression of genes that encode key components of the photosynthetic multi-subunit protein-pigment complex photosystem II (PSII)...

Keywords: gene regulation, light adaptation, photoprotection, photosynthesis, protein-cofactor interaction, reaction center

05/2008 | Biological Chemistry, Walter de Gruyter

Daily timing of emersion and elevated atmospheric CO₂ concentration affect photosynthetic performance of the intertidal macroalga Ulva lactuca (Chlorophyta) in sunlight

The lunar day differs in length from the solar day so that times of low tide vary from day to day...

Keywords: CO2, emersion, photosynthesis, tidal rhythm, Ulva lactuca

12/2007 | Botanica Marina, Walter de Gruyter

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