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Microbial diversity below the seafloor is as rich as on Earth's surface（图）
Microbial seafloor rich Earth's surface
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2020/10/30
For the first time, researchers have mapped the biological diversity in marine sediment, one of Earth's largest global biomes. Although marine sediment covers 70% of Earth's surface, little was known ...
Banks of Antarctica's Ross Sea offer rich food source for emperor penguins（图）
Banks Antarctica Ross Sea rich food source emperor penguins
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2020/8/14
A new U.S. National Science Foundation-supported study provides some of the most comprehensive evidence to date of the lengths penguins will go for a meal. The results were reported in the journa...
Like weeds of the sea, 'brown tide' algae exploit nutrient-rich coastlines（图）
brown tide sea nutrient-rich coastlines
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2014/9/12
The sea-grass beds of Long Island’s Great South Bay once teemed with shellfish. Clams, scallops and oysters filtered nutrients from the water and flushed money through the local economy. But three dec...
Experimental evidence that pollution with urea can degrade water quality in phosphorus-rich lakes of the Northern Great Plains
pollution urea degrade water quality phosphorus-rich lakes the Northern Great Plains
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2014/4/17
Urea is the most abundant nitrogen (N) fertilizer used on agricultural soils, yet its effects on adjacent aquatic ecosystems are largely unknown. Here 21-d, 3000-liter mesocosm experiments were conduc...
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...
Variations in the optical properties of terrigenous mineral-rich particulate matter suspended in seawater
Variations in the optical properties terrigenous mineral-rich particulate matter suspended in seawater
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2014/4/21
From laboratory measurements, we determined the spectral mass-specific absorption, ap*(λ), and scattering, bp*(λ, coefficients for terrigenous mineral-rich particulate assemblages suspended in seawate...
Degradation of water quality in Lough Neagh, Northern Ireland, by diffuse nitrogen flux from a phosphorus-rich catchment
Degradation of water quality Lough Neagh Northern Ireland diffuse nitrogen flux phosphorus-rich catchment
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2014/4/22
Annually resolved fossil records of nitrogen (N) inputs (as sedimentary δ15N, N content), aquatic production (δ13C, C content), and algal abundance and gross community composition (pigments, nonsilice...
Archaea in particle-rich waters of the Beaufort Shelf and Franklin Bay, Canadian Arctic: Clues to an allochthonous origin?
particle-rich waters Beaufort Shelf Franklin Bay
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2014/4/23
We used 49,6-diamidino-2-phenylindole (DAPI) staining and fluorescent in situ hybridization to examine total bacterioplankton and archaeal distributions in surface waters and in deeper nepheloid...
Novel copper-binding and nitrogen-rich thiols produced and exuded by Emiliania huxleyi
Novel copper-binding nitrogen-rich thiols produced
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2014/5/19
In surface seawater, dissolved copper (Cu) is predominantly bound by a small pool of strong ligands, with further
complexation by a larger pool of weaker ligands. Although the chemical structure of b...
Reach-scale isotope tracer experiment to quantify denitrification and related processes in a nitrate-rich stream, midcontinent United States
Reach-scale isotope tracer experiment quantify denitrification related processes nitrate-rich stream midcontinent United States
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2014/5/14
We conducted an in-stream tracer experiment with Br and 15N-enriched NO3- to determine the rates of denitrification and related processes in a gaining NO3- -rich stream in an agricultural watershed in...
Annual primary production: Patterns and mechanisms of change in a nutrient-rich tidal ecosystem
Annual primary production Patterns and mechanisms of change nutrient-rich tidal ecosystem
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2014/5/27
Although nutrient supply often underlies long-term changes in aquatic primary production, other regulatory processes can be important. The Sacramento-San Joaquin River Delta, a complex of tidal waterw...