Biological and physical processes in and around Astoria submarine
... Astoria Canyon is a highly productive fishery region. The canyon is home for many pelagic fish species, and many years of surveys have found extensive groundfish resources there as well. Despite the importance of its fisheries resources, we know little about the pathways leading from primary nutrien ...
... Astoria Canyon is a highly productive fishery region. The canyon is home for many pelagic fish species, and many years of surveys have found extensive groundfish resources there as well. Despite the importance of its fisheries resources, we know little about the pathways leading from primary nutrien ...
Phosphorus Cycling in the Sargasso Sea: Investigation Using the
... turnover time estimates and percent of cells expressing alkaline phosphatase (AP) activity as measured by enzyme-labeling fluorescence are also used. In surface waters, d18OPO4 values were lower than equilibrium by 3–6%, indicative of dissolved organic phosphorous (DOP) remineralization by extracellu ...
... turnover time estimates and percent of cells expressing alkaline phosphatase (AP) activity as measured by enzyme-labeling fluorescence are also used. In surface waters, d18OPO4 values were lower than equilibrium by 3–6%, indicative of dissolved organic phosphorous (DOP) remineralization by extracellu ...
Aquatic primary production in a high-CO2 world
... Figure 3. Types of co-limitation. Darkness of the tiles indicates productivity (rate or yield) standardized by maximum potential yield. Axes are relative amounts of each resource. (A) Serial co-limitation is consistent with Liebig’s law of the minimum. The addition of the primary resource (black arr ...
... Figure 3. Types of co-limitation. Darkness of the tiles indicates productivity (rate or yield) standardized by maximum potential yield. Axes are relative amounts of each resource. (A) Serial co-limitation is consistent with Liebig’s law of the minimum. The addition of the primary resource (black arr ...
Changes in the Si/P weathering ratio and their effect on the selection
... result of changes in the ratio between the supply of Si and other nutrients such as phosphorus (P) (the ‗resource ratio theory‘) (Fig. 1a). The resource ratio theory predicts the replacement of species as a function of the ratio of limiting nutrients, and has been well corroborated under laboratory ...
... result of changes in the ratio between the supply of Si and other nutrients such as phosphorus (P) (the ‗resource ratio theory‘) (Fig. 1a). The resource ratio theory predicts the replacement of species as a function of the ratio of limiting nutrients, and has been well corroborated under laboratory ...
Model - Defra Science Search
... The main driving force behind the development of models to determine the carrying capacity of waters for bivalve cultivation has generally been for commercial interests. As a result the models to date have focused upon determining the stocking density at which production levels are maximised without ...
... The main driving force behind the development of models to determine the carrying capacity of waters for bivalve cultivation has generally been for commercial interests. As a result the models to date have focused upon determining the stocking density at which production levels are maximised without ...
Aluminium in an ocean general circulation model compared with the
... at the surface because of dust deposition. However, observations in the Mediterranean Sea (Hydes et al., 1988; Chou and Wollast, 1997) and IPY-Geotraces-NL observations in the eastern Arctic (Middag et al., 2009) show that there is a strong positive relation between aluminium and silicon. This suppo ...
... at the surface because of dust deposition. However, observations in the Mediterranean Sea (Hydes et al., 1988; Chou and Wollast, 1997) and IPY-Geotraces-NL observations in the eastern Arctic (Middag et al., 2009) show that there is a strong positive relation between aluminium and silicon. This suppo ...
inferences on potential seamount locations from
... Our study has found a relatively simple way of extrapolating potential seamounts from mid-resolution bathymetric data. Although there is no reference to volcanism, the requirement for finding large undersea peaked features (potential seamounts) was fulfilled. The criteria for the extrapolation was o ...
... Our study has found a relatively simple way of extrapolating potential seamounts from mid-resolution bathymetric data. Although there is no reference to volcanism, the requirement for finding large undersea peaked features (potential seamounts) was fulfilled. The criteria for the extrapolation was o ...
CHAPTER 22. BIOGENIC AND TERRIGENOUS SEDIMENTATION
... of samples would be inefficient to measure discretely in the laboratory using traditional chemical methods. A trade-off for high temporal resolution and long time series is precision. While errors on laboratory calcium carbonate measurements by coulometer are typically better than 1% (e.g., Osterman ...
... of samples would be inefficient to measure discretely in the laboratory using traditional chemical methods. A trade-off for high temporal resolution and long time series is precision. While errors on laboratory calcium carbonate measurements by coulometer are typically better than 1% (e.g., Osterman ...
MBI1500173_PRF_EB
... Microalgal blooms are a natural part of the seasonal cycle of photosynthetic organisms in marine ecosystems. They are key components of the structure and dynamics of the oceans and thus sustain the benefits that humans obtain from these aquatic environments. However, some microalgal blooms can cause ...
... Microalgal blooms are a natural part of the seasonal cycle of photosynthetic organisms in marine ecosystems. They are key components of the structure and dynamics of the oceans and thus sustain the benefits that humans obtain from these aquatic environments. However, some microalgal blooms can cause ...
A slab in depth: Three-dimensional geometry and evolution of the
... make inferences and interpretations about the geodynamic evolution of a particular subduction zone or region through time, i.e., when plates and their respective margins had significantly different geometries than they do today. [4] In this paper we present an interpreted geometry of the subducted I ...
... make inferences and interpretations about the geodynamic evolution of a particular subduction zone or region through time, i.e., when plates and their respective margins had significantly different geometries than they do today. [4] In this paper we present an interpreted geometry of the subducted I ...
Workshop Brochure
... Simulated response of the Pacific subtropical mode water to global warming and its effect on climate variability Qinyu Liu, Abs NO: CO-02 ...
... Simulated response of the Pacific subtropical mode water to global warming and its effect on climate variability Qinyu Liu, Abs NO: CO-02 ...
Impact of the Arctic Ocean Atlantic water layer on Siberian shelf
... the mid‐1990s and the mid‐2000s is consistent with outer shelf bottom temperature variability. For April–May 2008 we observed on‐shelf near‐bottom warm and saline water intrusions up to the 20 m isobath. These intrusions are typically about 0.2°C warmer and 1–1.5 practical salinity units saltier tha ...
... the mid‐1990s and the mid‐2000s is consistent with outer shelf bottom temperature variability. For April–May 2008 we observed on‐shelf near‐bottom warm and saline water intrusions up to the 20 m isobath. These intrusions are typically about 0.2°C warmer and 1–1.5 practical salinity units saltier tha ...
A Benthic-optimised Marine Environment Classification
... Environmental classifications are a potentially powerful tool for summarising broadscale spatial patterns in ecosystem character, particularly when biological data are limited in availability (Pressey et al. 2000, Leathwick et al. 2003). This relies on consistency of relationships between biological ...
... Environmental classifications are a potentially powerful tool for summarising broadscale spatial patterns in ecosystem character, particularly when biological data are limited in availability (Pressey et al. 2000, Leathwick et al. 2003). This relies on consistency of relationships between biological ...
Plankton trophodynamics at the subtropical convergence, Southern
... the strong latitudinal variability in physico-chemical parameters across the convergence zone influences the isotopic composition in the planktonic component at the STC southeast of Africa. We hypothesized that communities inhabiting the nutrient-poor but more productive northern water mass in the s ...
... the strong latitudinal variability in physico-chemical parameters across the convergence zone influences the isotopic composition in the planktonic component at the STC southeast of Africa. We hypothesized that communities inhabiting the nutrient-poor but more productive northern water mass in the s ...
Combined Effect of Antibiotics and Ocean Acidification on Marine
... silicate and ammonia concentrations. Bacterial protein production (BPP) is likely to be affected by seasonal variations and pH alterations as observed in a mesocosm experiment showing temporal variability with BPP increase during an induced algal bloom (Grossart et al. 2006). Marine microorganisms p ...
... silicate and ammonia concentrations. Bacterial protein production (BPP) is likely to be affected by seasonal variations and pH alterations as observed in a mesocosm experiment showing temporal variability with BPP increase during an induced algal bloom (Grossart et al. 2006). Marine microorganisms p ...
Elsevier Editorial System(tm) for Journal of Marine
... time to ask new and broader questions in marine studies, questions that have not been feasible ...
... time to ask new and broader questions in marine studies, questions that have not been feasible ...
Full text in pdf format
... found in the bulk phase of seawater. More generally, multiphasic kinetics for glucose uptake on a very large range of concentrations have also been observed for assemblages of natural bacteria and an isolated oligotrophic marine bacterium (Azam & Hodson 1981, Nissen et al. 1984). This suggests that ...
... found in the bulk phase of seawater. More generally, multiphasic kinetics for glucose uptake on a very large range of concentrations have also been observed for assemblages of natural bacteria and an isolated oligotrophic marine bacterium (Azam & Hodson 1981, Nissen et al. 1984). This suggests that ...
