搜索结果: 1-13 共查到“海洋生物学 photosynthetic”相关记录13条 . 查询时间(0.063 秒)
Iron and copper limitations differently affect growth rates and photosynthetic and physiological parameters of the marine diatom Pseudo-nitzschia delicatissima
Iron and copper limitations differently affect growth rates photosynthetic and physiological parameters marine diatom Pseudo-nitzschia delicatissima
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2014/4/2
In ～ 50% of the ocean, iron (Fe) limits phytoplankton growth, including that of the diatom Pseudo-nitzschia. Fe-limited Pseudo-nitzschia spp. may produce the potent neurotoxin domoic acid (DA) to acce...
Carbon dioxide fixation in the dark by photosynthetic bacteria in sulfide-rich stratified lakes with oxic–anoxic interfaces
Carbon dioxide fixation in the dark photosynthetic bacteria sulfide-rich stratified lakes oxic–anoxic interfaces
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2014/4/18
Carbon fixation was analyzed in a series of stratified lakes with oxygen–sulfide interfaces following14 Cbicarbonate incorporation into oxygenic phototrophic, anoxygenic phototrophic (photosynthetic s...
Iron limitation across chlorophyll gradients in the southern Drake Passage: Phytoplankton responses to iron addition and photosynthetic indicators of iron stress
Iron limitation chlorophyll gradients in the southern Drake Passage Phytoplankton responses iron addition photosynthetic
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2014/4/21
Processes influencing phytoplankton bloom development in the southern Drake Passage were studied using shipboard iron-enrichment incubations conducted across a surface chlorophyll gradient near the An...
Photosynthetic performance of benthic microbial mats in Lake Hoare, Antarctica
Photosynthetic performance benthic microbial mats Lake Hoare Antarctica
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2014/5/4
We measured in situ photosynthesis of benthic microbial mats at various depths in Lake Hoare, a permanently ice-covered lake of the McMurdo Dry Valleys, Antarctica, using oxygen (O2) microelectrodes. ...
Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents seas
Late summer community composition abundance of photosynthetic picoeukaryotes Norwegian and Barents seas
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2014/5/13
We investigated marine picoeukaryotic diversity (cells <3 μm) in samples collected in late summer 2002 at the boundary between the Norwegian, Greenland, and Barents Seas. The two main Arctic and Atlan...
Maximum photosynthetic efficiency of size-fractionated phytoplankton assessed by 14C uptake and fast repetition rate fluorometry
Maximum photosynthetic efficiency size-fractionated phytoplankton assessed 14C uptake fast repetition rate fluorometry
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2014/5/13
Under high nutrient concentrations and sufficient light conditions, large phytoplankton may display higher photosynthetic efficiency than smaller cells. This is unexpected since smaller phytoplankton,...
Diel variations in the photosynthetic parameters of Prochlorococcus strain PCC 9511: Combined effects of light and cell cycle
Diel variations photosynthetic parameters Prochlorococcus strain PCC 9511 light and cell cycle
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2014/5/9
We examined the mechanisms related to the diel variations in the parameters of the relationship between the rate of carbon fixation of phytoplankton and irradiance (P vs. E curve). Our goal was to und...
Decrease in molecular weight of photosynthetic products of marine phytoplankton during early diagenesis
molecular weight photosynthetic products marine phytoplankton early diagenesis
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2014/5/14
Changes in the size and neutral aldose (NAld) composition of phytoplankton photosynthetic products during the early diagenetic process were experimentally examined using 13C as a tracer. Most (94.7%) ...
Resolving phytoplankton photoprotective : photosynthetic carotenoid ratios on fine scales using in situ spectral absorption measurements
Resolving phytoplankton photoprotective photosynthetic carotenoid ratios fine scales using situ spectral absorption measurements
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2014/5/20
Temporal changes in phytoplankton pigments and spectral absorption were evaluated during June 1998 in East Sound, Orcas Island, Washington. High-resolution vertical profiles of in situ spectral absorp...
Phytoplankton primary production and photosynthetic parameters in reservoirs along a gradient of watershed land use
Phytoplankton primary production photosynthetic parameters reservoirs along a gradient watershed land use
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2014/5/20
We investigated how watershed land use (a gradient of agricultural vs. forested land) relates to phytoplankton primary production (PPr) and photosynthetic parameters in 12 reservoirs in Ohio and exami...
Hyperspectral analysis of chlorophyll content and photosynthetic capacity of coral reef substrates
Hyperspectral analysis chlorophyll content photosynthetic capacity coral reef substrates
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2014/5/19
Few studies have assessed the biophysical properties controlling reflection and absorption of light in coral reef environments and their relationships with quantitative measures of reef health and pro...
Effects of epiphyte load on optical properties and photosynthetic potential of the seagrasses Thalassia testudinum Banks ex König and Zostera marina L.
Effects of epiphyte load optical properties and photosynthetic potential of the seagrasses Thalassia testudinum Banks ex Kö nig Zostera marina L.
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2014/5/19
The biomass and optical properties of seagrass leaf epiphytes were measured to evaluate their potential impact on the photosynthetic performance of the seagrasses Thalassia testudinum Banks ex Kö...
Measurement of photosynthetic parameters in benthic organisms in situ using a SCUBA-based fast repetition rate fluorometer
photosynthetic parameters benthic organisms SCUBA-based fast repetition rate fluorometry
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2014/6/17
Benthic photoautotrophic organisms significantly contribute to the productivity of shallow tropical coastal ecosystems. However, measurements of photosynthetic light use and dissipation in benthic org...