搜索结果: 1-15 共查到“海洋生物学 diatoms”相关记录23条 . 查询时间(0.046 秒)
Genetic switch lets marine diatoms do less work at higher CO2
Genetic switch marine diatoms higher CO2
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2015/6/18
Diatoms in the world’s oceans exhale more oxygen than all the world’s rainforests. These tiny drifting algae generate about 20 percent of the oxygen produced on Earth each year, and invisibly recycle ...
Diatoms favor their younger daughters
Diatoms favor younger daughters
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2014/4/4
We used a time-lapse imaging approach to examine cell division in the marine centric diatom Ditylum brightwellii and observed that daughter cells who inherited their parents' hypothecal frustule half ...
Diatoms favor their younger daughters
Diatoms favor younger daughters
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2014/4/3
We used a time-lapse imaging approach to examine cell division in the marine centric diatomDitylum brightwelliiand observed that daughter cells who inherited their parents’ hypothecal frustule half we...
Temperature-induced stress leads to bleaching in larger benthic foraminifera hosting endosymbiotic diatoms
Temperature-induced stress bleaching larger benthic foraminifera hosting endosymbiotic diatoms
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2014/4/4
Physiological mechanisms of bleaching were studied on larger benthic foraminifera (LBF) hosting endosymbiotic diatoms. Amphistegina radiata, Heterostegina depressa, and Calcarina hispida were exposed ...
No limit? The multiphasic uptake of silicic acid by benthic diatoms
No limit multiphasic uptake silicic acid benthic diatoms
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2014/4/18
Silicic-acid uptake kinetics for a field population of benthic diatoms were examined using a radioisotope tracer over a concentration range of 0–300mmol L21. The microphytobenthos half saturation cons...
Rapid photoprotection in sea-ice diatoms from the East Antarctic pack ice
Rapid photoprotection sea-ice diatoms the East Antarctic pack ice
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2014/4/17
Photoinhibition and D1 protein re-synthesis were investigated in bottom-dwelling sea-ice microalgal communities from the East Antarctic pack ice during early spring. Bottom-dwelling sea-ice microalgal...
Release of reactive bromine and iodine from diatoms and its possible role in halogen transfer in polar and tropical oceans
Release of reactive bromine iodine from diatoms possible role halogen transfer in polar tropical oceans
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2014/4/18
An in situ incubation assay measuring the bromination and iodination of phenol red was developed to detect the release of reactive bromine and iodine (primarily hypobromous acid [HOBr] and hypoiodous ...
Release of reactive bromine and iodine from diatoms and its possible role in halogen transfer in polar and tropical oceans
Release of reactive bromine diatoms halogen transfer
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2014/4/18
An in situ incubation assay measuring the bromination and iodination of phenol red was developed to detect
the release of reactive bromine and iodine (primarily hypobromous acid [HOBr] and hypoiodous...
The effects of Cu and Fe availability on the growth and Cu:C ratios of marine diatoms
The effects of Cu and Fe availability on the growth and Cu:C ratios of marine diatoms
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2014/4/21
We investigated the effects of copper (Cu) and iron (Fe) availability on the growth rates, cellular Cu content, and steady-state Cu uptake rates of eight species of centric diatoms (coastal and oceani...
Intrinsic growth and microzooplankton grazing on toxigenicPseudo-nitzschiaspp. diatoms from the coastal northeast Pacific
growth microzooplankton grazing xigenicPseudo-nitzschiaspp diatoms northeast Pacific
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2014/4/18
We investigated the population ecology of toxigenic diatoms within the genusPseudo-nitzschiaon the Pacific Northwest coast during 2003, 2004, and 2005.Pseudo-nitzschiaspp. were widespread and abundant...
Photoprotection capacity differs among diatoms: Possible consequences on the spatial distribution of diatoms related to fluctuations in the underwater light climate
Photoprotection capacity among diatoms spatial distribution diatoms related to fluctuations underwater light climate
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2014/4/22
In this study, we show a fundamental difference between diatom species from different marine habitats in their ability to cope with changes in irradiance. Estuarine species show a higher and more flex...
Strong purifying selection in the silicon transporters of marine and freshwater diatoms
Strong purifying silicon transporters of marine freshwater diatoms
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2014/4/22
Marine and freshwater diatoms show several important differences in silicon physiology. In addition to containing an order of magnitude more silica in their cell walls, freshwater diatoms also appear ...
Ultraviolet radiation negatively affects growth but not food quality of arctic diatoms
Ultraviolet radiation negatively affects growth food quality arctic diatoms
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2014/4/23
We studied the short-term effects of ultraviolet radiation (UV radiation, 280-400 nm) on the fatty acid composition and cellular stoichiometry of three dominant arctic diatom species (Thalassiosira an...
Release of dissolved organic matter by coastal diatoms
Release of dissolved organic matter coastal diatoms
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2014/4/23
Dissolved organic matter (DOM) production was examined in axenic batch cultures of five coastal diatom species. For Chaetoceros decipiens, dissolved organic carbon (DOC) accumulated beginning in late ...
Decadal basin-scale changes in diatoms, dinoflagellates, and phytoplankton color across the North Atlantic
Decadal basin-scale changes diatoms dinoflagellates and phytoplankton color the North Atlantic
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2014/5/9
The Continuous Plankton Recorder (CPR) survey has been used to characterize phytoplankton and zooplankton space-time dynamics in the North Sea since 1931 and in the North Atlantic since 1939. Phytopla...