搜索结果: 16-30 共查到“知识库 理学 plankton”相关记录49条 . 查询时间(0.109 秒)
Decomposition of plankton-derived dissolved organic matter in permeable coastal sediments
plankton-derived dissolved organic matter coastal sediments
2014/4/16
We tested the hypothesis that dissolved organic carbon (DOC) is degraded when filtered through permeable
shelf sediments. In a laboratory flume experiment the concave shape of DOC profiles observed i...
Nonequilibrium plankton community structures in an ecohydrodynamic model system
Nonequilibrium plankton community structures ecohydrodynamic model system
2009/11/16
Due to the local and global impacts of algae blooms and patchiness on water quality, carbon cycling and climate, models of plankton dynamics are of current interest. In this paper, the temporal and sp...
Multifractal intermittency of Eulerian and Lagrangian turbulence of ocean temperature and plankton fields
Multifractal intermittency Eulerian and Lagrangian turbulence ocean temperature plankton fields
2009/11/16
In this paper, we present evidence that intermittency of Eulerian and Lagrangian turbulence of ocean temperature and plankton fields is multifractal and furthermore can be analysed with the help of un...
Plankton blooms in vortices:the role of biological and hydrodynamic timescales
Plankton blooms vortices biological and hydrodynamic timescales
2009/11/3
We study the interplay of hydrodynamic mesoscale structures and the growth of plankton in the wake of an island, and its interaction with a coastal upwelling. Our focus is on a mechanism for the emerg...
Mapping the spatial variability of plankton metabolism using nitrate and oxygen sensors on an autonomous underwater vehicle
Mapping the spatial metabolism using nitrate
2014/4/18
It is now possible to make highly resolved vertical (,1 m) and horizontal (3 m at constant depth and ,400 m
when undulating from surface to 100 m) measurements of nitrate concentration in the upper o...
Toxicity of violacein-producing bacteria fed to bacterivorous freshwater plankton
bacterivorous freshwater plankton violacein-producing bacteria
2014/4/18
Chemical defenses have been hypothesized to be widespread among aquatic bacteria, but few studies have
assessed the susceptibility of pelagic consumers to bacterial secondary metabolites. In this stu...
Towards understanding the relationship between wind conditions and plankton patchiness
Towards understanding wind conditions
2014/4/17
We used (1) water temperature (a proxy for water movement), (2) chlorophyll (a proxy for phytoplankton),
and (3) zooplankton (bulk, small, and large size classes) to investigate the relationship betw...
Similar patterns of patterns of community organization characterize distinct groups of different trophic levels in the plankton of the NW Mediterranean Sea
Similar patterns community organization distinct groups trophic levels
2010/1/19
Planktonic populations were sampled over a 4 week period in the NW Mediterranean, at a site subject to little vertical advection during the Dynaproc 2 cruise in 2004. The characteristics of the phytop...
Mapping the spatial variability of plankton metabolism using nitrate and oxygen sensors on an autonomous underwater vehicle
Mapping the spatial variability plankton metabolism using nitrate oxygen sensors autonomous underwater vehicle
2014/5/16
It is now possible to make highly resolved vertical (<1 m) and horizontal (3 m at constant depth and ~400 m when undulating from surface to 100 m) measurements of nitrate concentration in the upper oc...
Assessing plankton and other particles in situ with the SOLOPC
Assessing plankton other particles situ with the SOLOPC
2014/5/16
We combined a Sounding Oceanographic Lagrangian Observer float with a Laser Optical Plankton Counter (LOPC) and a fluorometer to make an autonomous biological profiler, the SOLOPC. The instrument sens...
Spatial variations in time-integrated plankton metabolic rates in Sagami Bay using triple oxygen isotopes and O2 : Ar ratios
Spatial variations plankton metabolic rates
2014/4/21
Plankton metabolic rates, such as rates of gross, net community production and community respiration, were
measured in the surface waters using triple oxygen isotopes and O2
: Ar ratios. The 17
D a...
We combined a Sounding Oceanographic Lagrangian Observer float with a Laser Optical Plankton Counter
(LOPC) and a fluorometer to make an autonomous biological profiler, the SOLOPC. The instrument sen...
Moina macrocopa (Straus): A Plankton Crustacean as a Vector for Fungus-Like Fish Parasites
Moina macrocopa fungi fungus-like organisms mycosis in fish
2010/3/25
The authors investigated the occurrence of fungi and fungus-like organisms (chromistan organisms) growing on dead Moina macrocopa specimens in 3 bodies of water of varied trophicity. Dead specimens of...
The trace-metal composition of size-fractionated plankton in the South China Sea: Biotic versus abiotic sources
size-fractionated plankton South China Sea
2014/4/22
We report the elemental composition (P, Si, Al, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn) in the size-fractionated
plankton and suspended particulate matter (SPM) in the surface waters of the South China Se...
Partitioning of organic production in marine plankton communities: The effects of inorganic nutrient ratios and community composition on new dissolved organic matter
Partitioning of organic production marine plankton communities The effects of inorganic nutrient ratios community composition new dissolved organic matter
2014/4/23
We investigated the partitioning of carbon, nitrogen, and phosphorus between particulate and dissolved production using 11-m3 marine mesocosms (bags) in a Norwegian fjord with a salinity of 28.3, a ch...