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Vitamin B-12,and a knockoff version,create complex market for marine vitamins
Vitamin B-12 knockoff version create complex market marine vitamins
2017/2/16
The New Year is a busy time for pharmacies and peddlers of all health-related products. In the oceans, marine organisms rely on nutrients, too, but the source of their vitamins is sometimes mysterious...
The Global,Complex Phenomena of Harmful Algal Blooms
Global Complex Phenomena Harmful Algal Blooms
2015/7/27
Marine and fresh waters team with life, much of it microscopic, and most of it harmless; in fact, it is this microscopic life on which all aquatic life ultimately depends for food. Microscopic algae a...
Mitochondrial sequence variation suggests extensive cryptic diversity within the Western Palearctic Daphnia longispina complex
Mitochondrial sequence variation extensive cryptic diversity the Western Palearctic Daphnia longispina complex
2014/4/2
We report on a discovery of six divergent lineages within the European Daphnia longispina complex from various localities in central to northeast Europe. The levels of divergence from well-known speci...
Mitochondrial sequence variation suggests extensive cryptic diversity within the Western Palearctic Daphnia longispina complex
Mitochondrial sequence variation extensive cryptic diversity the Western Palearctic Daphnia longispina complex
2014/4/4
We report on a discovery of six divergent lineages within the European Daphnia longispina complex from various localities in central to northeast Europe. The levels of divergence from well-known speci...
Characterization of the key pathways of dissimilatory nitrate reduction and their response to complex organic substrates in hyporheic sediments
Characterization of the key pathways dissimilatory nitrate reduction their response to complex organic substrates hyporheic sediments
2014/4/4
Laboratory incubations with river-bed sediment collected from riffles and pools were used to quantify potential pathways of dissimilatory nitrate reduction in the hyporheic zone of a groundwater-fed r...
Characterization of the key pathways of dissimilatory nitrate reduction and their response to complex organic substrates in hyporheic sediments
Characterization the key pathways dissimilatory nitrate reduction their response complex organic substrates in hyporheic sediments
2014/4/2
Laboratory incubations with river-bed sediment collected from riffles and pools were used to quantify potential pathways of dissimilatory nitrate reduction in the hyporheic zone of a groundwater-fed r...
Complex interactions between marine sponges and their symbiotic microbial communities
Complex interactions marine sponges symbiotic microbial communities
2014/4/4
To investigate the importance of symbiont-derived nutrition to host sponges, we coupled manipulative shading experiments with stable isotope analyses of isolated symbiont and host cell fractions. Expe...
Downwelling and deep-water bottom currents as food supply mechanisms to the cold-water coralLophelia pertusa(Scleractinia) at the Mingulay Reef complex
Downwelling and deep-water bottom currents food supply mechanisms the cold-water coralLophelia pertusap Mingulay Reef complex
2014/4/18
In 2006 and 2007, multiple deployments of current meters and optical sensors on landers and moorings were made in the first detailed in situ study of the particle supply to the coral community in the ...
Non-linear complex principal component analysis of nearshore bathymetry
Non-linear complex principal component analysis nearshore bathymetry
2009/11/11
Complex principal component analysis (CPCA) is a useful linear method for dimensionality reduction of data sets characterized by propagating patterns, where the CPCA modes are linear functions of the ...
VIV analysis of pipelines under complex span conditions
boundary condition (BC) fatigue limit state (FLS) force model (FM) kilometer post (KP) mode shape natural frequency response model (RM) vortex-induced vibration (VIV) ultimate limit state (ULS) unit stress
2011/9/13
Spans occur when a pipeline is laid on a rough undulating seabed or when upheaval buckling occurs due to constrained thermal expansion. This not only results in static and dynamic loads on the flowlin...
A Finite-Element Solution Procedure for the Interpolation of Current Data in Complex Regions
Finite-Element Solution Complex Regions Current Data
2009/2/19
A finite-element solution technique is introduced to develop current patterns subject to geostrophic and Ekman dynamics for an irregular continental shelf region. The interpolation bases set of functi...
An Improved Bound for the Complex Phase Speed of Baroclinic Instability
Complex Phase Speed Baroclinic Instability
2008/7/4
An improved bound is obtained for the radius of the semicircle in the complex plane containing the complex phase speed of baroclinically unstable plane wave disturbances. In the limit of long waves, t...
Biochemical food quality effects on a Daphnia hybrid complex
Biochemical food quality a Daphnia hybrid complex
2014/4/21
Correlative field studies have shown that the food quality of natural seston for Daphnia is highly correlated with the content of eicosapentaenoic acid (EPA), indicating that the growth of Daphnia in ...
Population dynamics of a freshwater calanoid copepod: Complex responses to changes in trophic status and climate variability
Population dynamics a freshwater calanoid copepod Complex responses changes in trophic status climate variability
2014/4/21
The long-term dynamics of the calanoid copepod Eudiaptomus gracilis were analyzed in Lake Constance, a deep lake that has been influenced strongly by changes in trophic status and climate variability ...
Agent-based modeling of the complex life cycle of a cyanobacterium (Anabaena)ina shallow reservoir
Agent-based modeling complex life cycle cyanobacterium a shallow reservoir
2014/4/18
The cyanobacteriumAnabaena flos-aquaeand many other phytoplankton species have a complex life cycle that includes a resting stage (akinete). We present a new agent-based (also known as individual-base...