Organic Molecules
... structures containing thousands of atoms! Although carbon is present in all organic compounds, other elements such as hydrogen (H), oxygen (O), nitrogen (N), sulfur (S) and phosphorus (P) are also common in these molecules. Until the early nineteenth century, chemists had managed to make many simple ...
... structures containing thousands of atoms! Although carbon is present in all organic compounds, other elements such as hydrogen (H), oxygen (O), nitrogen (N), sulfur (S) and phosphorus (P) are also common in these molecules. Until the early nineteenth century, chemists had managed to make many simple ...
The Oceanic Phosphorus Cycle
... to the deep ocean, exports organic carbon to depth primarily as sinking particulate material (e.g., dead organisms or fecal pellets). However, some carbon also reaches the deep ocean as dissolved organic matter (DOM) by physical transport processes such as mixing, eddy diffusion, and downwelling, an ...
... to the deep ocean, exports organic carbon to depth primarily as sinking particulate material (e.g., dead organisms or fecal pellets). However, some carbon also reaches the deep ocean as dissolved organic matter (DOM) by physical transport processes such as mixing, eddy diffusion, and downwelling, an ...
Seagrass
... predators such as birds, sharks and barramundi may also use seagrass beds as foraging grounds. Seagrasses are thought to play an important role in the sediment and nutrient dynamics of coastal systems by stabilising sediments and recycling nutrients. However, recent research suggests that this may n ...
... predators such as birds, sharks and barramundi may also use seagrass beds as foraging grounds. Seagrasses are thought to play an important role in the sediment and nutrient dynamics of coastal systems by stabilising sediments and recycling nutrients. However, recent research suggests that this may n ...
NJ Ocean Acidification Charge Question
... structures. Seawater alkalinity is approximately 115 mg/L as CaCO3. In equilibrium with the preindustrial level of CO2 of 280 ppmv the pH can be computed as described above to be 8.365. Atmospheric CO2 is expected to reach 560 ppmv (double the pre-industrial level) in the next 50 years or so (IPCC, ...
... structures. Seawater alkalinity is approximately 115 mg/L as CaCO3. In equilibrium with the preindustrial level of CO2 of 280 ppmv the pH can be computed as described above to be 8.365. Atmospheric CO2 is expected to reach 560 ppmv (double the pre-industrial level) in the next 50 years or so (IPCC, ...
Population structure of the pearly razorfish - Scientia Marina
... Different patterns in habitat use by nearshore fishes have been described there, including fish species that are more abundant in seagrass meadows, fish species more abundant on sand bottoms, and species with similar abundance in both types of habitat, even varying at different spatial and temporal ...
... Different patterns in habitat use by nearshore fishes have been described there, including fish species that are more abundant in seagrass meadows, fish species more abundant on sand bottoms, and species with similar abundance in both types of habitat, even varying at different spatial and temporal ...
The Oceanic Phosphorus Cycle - Center for Microbial Oceanography
... fluxes and preanthropogenic DIP river concentrations of 0.23-0.32 µM, Compton et al.38 estimate the river flux to be (0.8-1.5) × 1010 mol/year for dissolved inorganic P (DIP) and a flux of 0.6 × 1010 mol/year for dissolved organic P (DOP) (See Table 1 in ref 38 for details). Much of the P in rivers ...
... fluxes and preanthropogenic DIP river concentrations of 0.23-0.32 µM, Compton et al.38 estimate the river flux to be (0.8-1.5) × 1010 mol/year for dissolved inorganic P (DIP) and a flux of 0.6 × 1010 mol/year for dissolved organic P (DOP) (See Table 1 in ref 38 for details). Much of the P in rivers ...
Coastal Lagoons and Climate Change: Ecological and Social
... ABSTRACT. Lagoons are highly productive coastal features that provide a range of natural services that society values. Their setting within the coastal landscape leaves them especially vulnerable to profound physical, ecological, and associated societal disturbance from global climate change. Expect ...
... ABSTRACT. Lagoons are highly productive coastal features that provide a range of natural services that society values. Their setting within the coastal landscape leaves them especially vulnerable to profound physical, ecological, and associated societal disturbance from global climate change. Expect ...
Irish Sea Pilot - Marine Landscape
... (2000) for Canadian waters. The purpose of the approach was to enable action to be taken to benefit nature conservation in circumstances where marine biological data are limited. Solving this problem is a significant issue for Canada because of its very extensive coastline and marine territory, and ...
... (2000) for Canadian waters. The purpose of the approach was to enable action to be taken to benefit nature conservation in circumstances where marine biological data are limited. Solving this problem is a significant issue for Canada because of its very extensive coastline and marine territory, and ...
assessment of finfish cage aquaculture in the
... Finfish cage aquaculture involves holding large numbers of fish in a restricted space. The cages are sites for the introduction of feed, other nutrients and metabolic wastes, and oxygen is removed from the water column directly due to respiration by the fish and indirectly due to breakdown of the fe ...
... Finfish cage aquaculture involves holding large numbers of fish in a restricted space. The cages are sites for the introduction of feed, other nutrients and metabolic wastes, and oxygen is removed from the water column directly due to respiration by the fish and indirectly due to breakdown of the fe ...
Relationship between particle size distribution and flux
... et al., 1992; Honjo et al., 1984). Despite their ability to provide detailed particle size distributions with high spatial resolutions, imaging systems cannot describe aggregates’ chemical composition without more information about the relationship between particle size and composition (Burd et al., ...
... et al., 1992; Honjo et al., 1984). Despite their ability to provide detailed particle size distributions with high spatial resolutions, imaging systems cannot describe aggregates’ chemical composition without more information about the relationship between particle size and composition (Burd et al., ...
Technical Abstract of the First Global Integrated Marine Assessment
... and bacteria. Gross primary production (GPP) is the rate at which they use sunlight to convert carbon dioxide (CO 2 ) and water to the high-energy organic carbon compounds used to fuel growth. Free oxygen is released during the process. Net primary production (NPP) is GPP less the respiratory releas ...
... and bacteria. Gross primary production (GPP) is the rate at which they use sunlight to convert carbon dioxide (CO 2 ) and water to the high-energy organic carbon compounds used to fuel growth. Free oxygen is released during the process. Net primary production (NPP) is GPP less the respiratory releas ...
Marine Ecology Progress Series 353:213
... groves or reefs, to seagrass beds may, therefore, enhance fish abundance or richness by providing individuals with favourable spatial characteristics associated with those nearby habitats compared with those lacking such nearby habitats. Reefs may also affect seagrass fauna by providing clear oceani ...
... groves or reefs, to seagrass beds may, therefore, enhance fish abundance or richness by providing individuals with favourable spatial characteristics associated with those nearby habitats compared with those lacking such nearby habitats. Reefs may also affect seagrass fauna by providing clear oceani ...
Convergent Tectonics and Coastal Upwelling: A History of
... Pleistocene slope sequence consisted mainly of diatomaceous muds with abundant microfossils transported from the shelf. The lower 120 m of the slope sequence displays minor folding, a variably developed fissility, and a planar fabric cutting bedding at high angles. A hiatus of at least 4.3 Ma separa ...
... Pleistocene slope sequence consisted mainly of diatomaceous muds with abundant microfossils transported from the shelf. The lower 120 m of the slope sequence displays minor folding, a variably developed fissility, and a planar fabric cutting bedding at high angles. A hiatus of at least 4.3 Ma separa ...
Marine Acidification
... across the air-sea interface. Atmospheric CO2 levels then depend not only on CO2 release rates but also on rates of CO2 absorption by terrestrial and oceanic systems. This uptake can be substantial: oceans typically exchange ~ 100 GtC.yr-1 with the atmosphere, but currently draw down ~ 2 GtC.yr-1 mo ...
... across the air-sea interface. Atmospheric CO2 levels then depend not only on CO2 release rates but also on rates of CO2 absorption by terrestrial and oceanic systems. This uptake can be substantial: oceans typically exchange ~ 100 GtC.yr-1 with the atmosphere, but currently draw down ~ 2 GtC.yr-1 mo ...
Coccolithophores: From Extant Populations to Fossil Assemblages
... for paleoceanographic studies. Coccoliths interlock to form a spherical external skeleton, the coccosphere (average diameter 20 mm), which surrounds the living cell. In the broad group of coccolithophores, we included some genera of unknown taxonomic affiliation (e.g., Florisphaera) which produce ca ...
... for paleoceanographic studies. Coccoliths interlock to form a spherical external skeleton, the coccosphere (average diameter 20 mm), which surrounds the living cell. In the broad group of coccolithophores, we included some genera of unknown taxonomic affiliation (e.g., Florisphaera) which produce ca ...
The Western Coastal Plains - erc
... THE COASTAL PLAINS The Eastern Coastal Plains :The Eastern Coastal Plain is a wide stretch of land lying between the Eastern Ghats and the Bay of Bengal. ...
... THE COASTAL PLAINS The Eastern Coastal Plains :The Eastern Coastal Plain is a wide stretch of land lying between the Eastern Ghats and the Bay of Bengal. ...
- OD Nature
... provides a focus for onboard discussion of in situ measurements. The timing of the spring algae bloom may be useful for fish stock management since early spring diatom blooms determine food availability at the fish larval development stage [20]. A new AB timing product has been developed for such pu ...
... provides a focus for onboard discussion of in situ measurements. The timing of the spring algae bloom may be useful for fish stock management since early spring diatom blooms determine food availability at the fish larval development stage [20]. A new AB timing product has been developed for such pu ...
Epstein_paleotempera..
... of the material is in, and some of the attempts were unsuccessful. However one of the experimental batches of animals has been analyzed and the results are presented later. Consequently, shell-bearing marine animals were collected from locations which have a minimum annual variation of temperature. ...
... of the material is in, and some of the attempts were unsuccessful. However one of the experimental batches of animals has been analyzed and the results are presented later. Consequently, shell-bearing marine animals were collected from locations which have a minimum annual variation of temperature. ...
Salt Marshes
... The deposition of fresh sediment will benefit this process. Some pioneer salt marsh species also show enhanced root and shoot growth rates when rates of sedimentation are increased. A typical salt marsh site is subjected to a range of changes in water levels. The distribution of the salt marsh veget ...
... The deposition of fresh sediment will benefit this process. Some pioneer salt marsh species also show enhanced root and shoot growth rates when rates of sedimentation are increased. A typical salt marsh site is subjected to a range of changes in water levels. The distribution of the salt marsh veget ...
A5.aa Pontic infralittoral sands and muddy sands with stable
... presence of unattached forms of macroalgae, in particular the ball-like form of the red alga Phyllophora crispa var. sphaerica. The classic example of this habitat is the Small Phyllophora field (SPF) National Botanical Reserve, which lies in shallow water (less than 16 m) on sand with shells in Kar ...
... presence of unattached forms of macroalgae, in particular the ball-like form of the red alga Phyllophora crispa var. sphaerica. The classic example of this habitat is the Small Phyllophora field (SPF) National Botanical Reserve, which lies in shallow water (less than 16 m) on sand with shells in Kar ...
Biogeoquímica dels fluxos de partícules en
... Creus submarine canyons and on the adjacent southern open slope in the Gulf of Lion (Northwestern Mediterranean). During the Winter 2006 (January-March), an intense Dense Shelf Water Cascading (DSWC) event was found to be a major driver of particle transport, increasing lateral advection of material ...
... Creus submarine canyons and on the adjacent southern open slope in the Gulf of Lion (Northwestern Mediterranean). During the Winter 2006 (January-March), an intense Dense Shelf Water Cascading (DSWC) event was found to be a major driver of particle transport, increasing lateral advection of material ...
Age Determination of Marine Sediments in the Western North Pacific
... 33,000 during 60,000–80,000 yrBP and 46,600 yr during 140,000–190,000 yrBP, respectively (Fig. 4). It is believed that such anomalies in Asp age are probably due to some geological events which occurred during these time periods. According to Nakatsuka et al. (1995), the coring site of 3bPC was loca ...
... 33,000 during 60,000–80,000 yrBP and 46,600 yr during 140,000–190,000 yrBP, respectively (Fig. 4). It is believed that such anomalies in Asp age are probably due to some geological events which occurred during these time periods. According to Nakatsuka et al. (1995), the coring site of 3bPC was loca ...
Scientific Prospectus - Life In A Changing Ocean
... The Census of Marine Life established a baseline for what lived and what is still living in the ocean for numerous regions and ocean realms. It also identified critical data gaps where knowledge is much needed. Currently, there are about 250,000 known marine species, but recent estimates indicate th ...
... The Census of Marine Life established a baseline for what lived and what is still living in the ocean for numerous regions and ocean realms. It also identified critical data gaps where knowledge is much needed. Currently, there are about 250,000 known marine species, but recent estimates indicate th ...
NGU Report 2006.067 Sediment composition and heavy
... Internet (i.e. www.mareano.no). Based on detailed mapping of modern sediments in the southern Barents Sea we address the following problems: x What are the physical, geochemical and biological characteristics of the sediments? x What are the main source areas and transport pathways for the sedimen ...
... Internet (i.e. www.mareano.no). Based on detailed mapping of modern sediments in the southern Barents Sea we address the following problems: x What are the physical, geochemical and biological characteristics of the sediments? x What are the main source areas and transport pathways for the sedimen ...