Productivity and carbon transfer in pelagic food webs
... PPr is assumed to be more directly available for higher trophic levels than BP, as many phytoplankton taxa fall within an edible size range for both cladocerans and copepods (Cyr and Curtis 1999). Phytoplankton are also considered to be a high quality food source compared to bacteria (with the notab ...
... PPr is assumed to be more directly available for higher trophic levels than BP, as many phytoplankton taxa fall within an edible size range for both cladocerans and copepods (Cyr and Curtis 1999). Phytoplankton are also considered to be a high quality food source compared to bacteria (with the notab ...
Susan Mullane
... We attempted to test whether climate change might have contributed to the distribution of R. mangle growth in the north eastern coast of Florida. Before our fieldwork began we knew that the northern most point of red mangrove last documented was located at Fort Matanzas National park, although throu ...
... We attempted to test whether climate change might have contributed to the distribution of R. mangle growth in the north eastern coast of Florida. Before our fieldwork began we knew that the northern most point of red mangrove last documented was located at Fort Matanzas National park, although throu ...
Workshop Brochure
... experience from the first international workshop of OCCOS (Ocean and Climate Changes Observed from Space) held in Dec. 2008 and the first international workshop on coastal ocean carbon cycling in Mar. 2009 primarily associated with the CHOICE-C project (Carbon cycling in China Seas-budget, controls ...
... experience from the first international workshop of OCCOS (Ocean and Climate Changes Observed from Space) held in Dec. 2008 and the first international workshop on coastal ocean carbon cycling in Mar. 2009 primarily associated with the CHOICE-C project (Carbon cycling in China Seas-budget, controls ...
Ecosystem engineering and biodiversity in coastal sediments
... for neighbouring organisms and local biodiversity in a broad range of ecosystems (e.g. see Bruno et al. 2003; Crooks 2002; Wright and Jones 2006; Wright et al. 2006). Jones et al. (1994, 1997) distinguished two types of ecosystem engineering. In autogenic engineering, the organisms change the enviro ...
... for neighbouring organisms and local biodiversity in a broad range of ecosystems (e.g. see Bruno et al. 2003; Crooks 2002; Wright and Jones 2006; Wright et al. 2006). Jones et al. (1994, 1997) distinguished two types of ecosystem engineering. In autogenic engineering, the organisms change the enviro ...
1999 Ecology 80.1157.. - Iowa State University
... Abstract. Nutrient bioassay experiments have been performed in many marine and estuarine environments around the world. Although protocols have been relatively uniform, these experiments have yielded mixed results, implicating nitrogen, phosphorus, silica, iron, and several other elements as factors ...
... Abstract. Nutrient bioassay experiments have been performed in many marine and estuarine environments around the world. Although protocols have been relatively uniform, these experiments have yielded mixed results, implicating nitrogen, phosphorus, silica, iron, and several other elements as factors ...
Chapter 12 Foundations of Life in the Oceans
... availability is an important determinant of where photosynthesis can occur and at what rate. Nutrient elements, such as nitrogen, phosphorus, magnesium, and sulfur, are also necessary for photosynthesis. For example, nitrogen atoms are part of all protein molecules and of the molecules of chlorophyl ...
... availability is an important determinant of where photosynthesis can occur and at what rate. Nutrient elements, such as nitrogen, phosphorus, magnesium, and sulfur, are also necessary for photosynthesis. For example, nitrogen atoms are part of all protein molecules and of the molecules of chlorophyl ...
Linton and Warner 2003
... Coral reefs flourish in clean, oligotrophic waters and so can be stressed by relatively low levels of eutrophication, which might be normal for a mangrove forest. Other sources of stress include sediments, organic loading, elevated water temperature and direct physical damage. The indirect effects of ...
... Coral reefs flourish in clean, oligotrophic waters and so can be stressed by relatively low levels of eutrophication, which might be normal for a mangrove forest. Other sources of stress include sediments, organic loading, elevated water temperature and direct physical damage. The indirect effects of ...
Managing Seagrasses for Resilience to Climate Change
... low tide). The roots and rhizomes attach the plants to the sediments, and their vascular and lacunal systems facilitate the transport and exchange of fluids and gasses, respectively. Nutrients are taken up from the sediments by the roots and transported to the meristems and leaves for growth; leaves ...
... low tide). The roots and rhizomes attach the plants to the sediments, and their vascular and lacunal systems facilitate the transport and exchange of fluids and gasses, respectively. Nutrients are taken up from the sediments by the roots and transported to the meristems and leaves for growth; leaves ...
Guyot Science 2005
... in seawater reflects the fraction of dissolved O2 from photosynthesis. O2 supersaturation reflects net production (photosynthesis in excess of respiration); by combining measurements of O2 concentrations and isotopes, we can determine rates of photosynthesis, respiration, and net production in aquatic ...
... in seawater reflects the fraction of dissolved O2 from photosynthesis. O2 supersaturation reflects net production (photosynthesis in excess of respiration); by combining measurements of O2 concentrations and isotopes, we can determine rates of photosynthesis, respiration, and net production in aquatic ...
Growth physiology and fate of diatoms in the ocean: a review
... concentrations, as well as during artificial Fe fertilisation experiments. They are main players in the biogeochemical cycle of carbon (C), as they can account for 40% of the total primary production in the Ocean and dominate export production, as well as in the biogeochemical cycles of the other ma ...
... concentrations, as well as during artificial Fe fertilisation experiments. They are main players in the biogeochemical cycle of carbon (C), as they can account for 40% of the total primary production in the Ocean and dominate export production, as well as in the biogeochemical cycles of the other ma ...
Plant genotype and nitrogen loading influence seagrass productivity
... and extreme levels of nitrogen loading on traits that affect ecological processes (at the population, community, and ecosystem levels) for Zostera marina, a widespread marine angiosperm that forms monospecific meadows throughout coastal areas in the Northern Hemisphere. We found effects of both genot ...
... and extreme levels of nitrogen loading on traits that affect ecological processes (at the population, community, and ecosystem levels) for Zostera marina, a widespread marine angiosperm that forms monospecific meadows throughout coastal areas in the Northern Hemisphere. We found effects of both genot ...
DS3F White Paper - Deep Sea Frontier
... released in September 2008. DS3F is contributing the deep sea aspects emerging at present such as marine resources and biodiversity, and – equally important – past records, for example of climate change, ecosystem evolution and resource formation at and beneath the seafloor. The major aim of DS3F is ...
... released in September 2008. DS3F is contributing the deep sea aspects emerging at present such as marine resources and biodiversity, and – equally important – past records, for example of climate change, ecosystem evolution and resource formation at and beneath the seafloor. The major aim of DS3F is ...
01 WGMS - Report of the Working Group on Marine Sediments in
... By being in Oostende, two members of the Marine Chemistry Working Group (including the Chair) were able to attend much of our meeting, and provided the following feedback of relevance to WGMS from their meeting of the previous week. MCWG discussed on CTTEE 12-2016-03 Proposal for a Commission Decisi ...
... By being in Oostende, two members of the Marine Chemistry Working Group (including the Chair) were able to attend much of our meeting, and provided the following feedback of relevance to WGMS from their meeting of the previous week. MCWG discussed on CTTEE 12-2016-03 Proposal for a Commission Decisi ...
Biodiversity and the functioning of seagrass ecosystems
... ecosystems. Several themes emerge from a review of the mostly indirect evidence and the few experiments that explicitly manipulated diversity in seagrass systems. First, because many seagrass communities are dominated by 1 or a few plant species, genetic and phenotypic diversity within such foundati ...
... ecosystems. Several themes emerge from a review of the mostly indirect evidence and the few experiments that explicitly manipulated diversity in seagrass systems. First, because many seagrass communities are dominated by 1 or a few plant species, genetic and phenotypic diversity within such foundati ...
A Paleoceanographic Reconstruction of the
... 1993). Orbulina universa and Planulina wuellerstorfi (also classified under genus names Cibicides, Cibicidoides, and Fontbotia) are common planktonic and benthic genera, respectively, used in carbon and oxygen stable isotope analysis for paleoenvironment studies (Billups et al., 1997; Hodell et al., ...
... 1993). Orbulina universa and Planulina wuellerstorfi (also classified under genus names Cibicides, Cibicidoides, and Fontbotia) are common planktonic and benthic genera, respectively, used in carbon and oxygen stable isotope analysis for paleoenvironment studies (Billups et al., 1997; Hodell et al., ...
Survival and settling of larval Macoma balthica in
... (OA), which includes changes in the inorganic carbon balance of the seawater coupled with a decrease in pH, is occurring at a rate faster than experienced in the geological past (Hönisch et al., 2012), and is expected to pose a major threat to marine ecosystems worldwide (Orr et al., 2005; Fabry et ...
... (OA), which includes changes in the inorganic carbon balance of the seawater coupled with a decrease in pH, is occurring at a rate faster than experienced in the geological past (Hönisch et al., 2012), and is expected to pose a major threat to marine ecosystems worldwide (Orr et al., 2005; Fabry et ...
VERTIGO (VERtical Transport In the Global Ocean): A study of
... interesting feedback mechanisms. For example, mid-water zooplankton may not be generalist particle grazers, but have specific adaptations to feed on slow- or fast-sinking particles, or particles with a particular elemental composition. Changes in source characteristics may thus trigger changes in rem ...
... interesting feedback mechanisms. For example, mid-water zooplankton may not be generalist particle grazers, but have specific adaptations to feed on slow- or fast-sinking particles, or particles with a particular elemental composition. Changes in source characteristics may thus trigger changes in rem ...
Anaerobic bacteria in the sediment oxidaze methane present in the
... By Romana Roje (37491), Shauna Narine (38546), Victoria Kessareva (36095) and Jeff Bogart Abroguena (37489) Cold seeps are deep-sea environments where methane gas or hydrogen sulfide is released from large storage of the seafloor by slow diffusion. Fluid flow is driven by pressure gradients created ...
... By Romana Roje (37491), Shauna Narine (38546), Victoria Kessareva (36095) and Jeff Bogart Abroguena (37489) Cold seeps are deep-sea environments where methane gas or hydrogen sulfide is released from large storage of the seafloor by slow diffusion. Fluid flow is driven by pressure gradients created ...
Bacteria-organic matter coupling and its significance for oceanic
... seasonal cycles. What then is the relevant time frame for averaging PP and BCD to decide whether a system is coupled or uncoupled? Another problem is that the concept of coupling implies an intimacy between the primary and bacterial secondary productivity, which may not exist. There may be situation ...
... seasonal cycles. What then is the relevant time frame for averaging PP and BCD to decide whether a system is coupled or uncoupled? Another problem is that the concept of coupling implies an intimacy between the primary and bacterial secondary productivity, which may not exist. There may be situation ...
Ward et al. - Massachusetts Institute of Technology
... classes suggest that these large-scale gradients in Z : P ratios are driven by a shift from strong bottom-up, nutrient limitation in the oligotrophic gyres to the dominance of top-down, grazing controls in more productive regions. ...
... classes suggest that these large-scale gradients in Z : P ratios are driven by a shift from strong bottom-up, nutrient limitation in the oligotrophic gyres to the dominance of top-down, grazing controls in more productive regions. ...
Historical records of coastal eutrophication
... tal oscillations leave their imprint in sediment cores. A central issue when considering sediment records of coastal hypoxia is the close relationship between hypoxia (the degree of oxygenation) and eutrophication (which leads to an enhanced organic input to the seafloor). These two parameters are u ...
... tal oscillations leave their imprint in sediment cores. A central issue when considering sediment records of coastal hypoxia is the close relationship between hypoxia (the degree of oxygenation) and eutrophication (which leads to an enhanced organic input to the seafloor). These two parameters are u ...
Coastal and Ocean Observing Supports People Who Live, Work
... create maps of temporal and spatial distribution of waves and currents over the entire area. ...
... create maps of temporal and spatial distribution of waves and currents over the entire area. ...
The future of seagrass meadows
... Seagrasses cover about 0.1–0.2% of the global ocean, and develop highly productive ecosystems which fulfil a key role in the coastal ecosystem. Widespread seagrass loss results from direct human impacts, including mechanical damage (by dredging, fishing, and anchoring), eutrophication, aquaculture, ...
... Seagrasses cover about 0.1–0.2% of the global ocean, and develop highly productive ecosystems which fulfil a key role in the coastal ecosystem. Widespread seagrass loss results from direct human impacts, including mechanical damage (by dredging, fishing, and anchoring), eutrophication, aquaculture, ...
Renewable Energies from the Ocean.pdf
... particulate matter at the air–water interface play important roles, for example, in environmental hydraulics and water–environment–health interactions, during low wind speeds before the onset of wave breaking, the exchange of air bubbles is limited. If this situation persists for a long time, algal ...
... particulate matter at the air–water interface play important roles, for example, in environmental hydraulics and water–environment–health interactions, during low wind speeds before the onset of wave breaking, the exchange of air bubbles is limited. If this situation persists for a long time, algal ...
Directed Reading
... ______ 1. The body of salt water covering nearly three-quarters of the Earth’s surface is called the a. Earth’s ocean. b. Pacific Ocean. c. salt-water ocean. d. global ocean. ______ 2. How many of the known planets have a covering of liquid water similar to that of Earth? a. one b. three c. all d. n ...
... ______ 1. The body of salt water covering nearly three-quarters of the Earth’s surface is called the a. Earth’s ocean. b. Pacific Ocean. c. salt-water ocean. d. global ocean. ______ 2. How many of the known planets have a covering of liquid water similar to that of Earth? a. one b. three c. all d. n ...