Coastal Ecosystems - World Resources Report
... (IFPRI), intergovernmental organizations, agencies, research institutes, and individual experts in more than 25 countries worldwide. The PAGE compares information already available on a global scale about the condition of five major classes of ecosystems: agroecosystems, coastal areas, forests, fres ...
... (IFPRI), intergovernmental organizations, agencies, research institutes, and individual experts in more than 25 countries worldwide. The PAGE compares information already available on a global scale about the condition of five major classes of ecosystems: agroecosystems, coastal areas, forests, fres ...
Seasonal variation in marine C:N:P stoichiometry
... shown that “circulation averaging”, i.e. mixing water masses with contrasting N:P ratios, can help to explain the uniform Redfield ratios often observed in the open ocean (Weber and Deutsch, 2010). It has been shown that including variable stoichiometry in ocean biogeochemistry models better represe ...
... shown that “circulation averaging”, i.e. mixing water masses with contrasting N:P ratios, can help to explain the uniform Redfield ratios often observed in the open ocean (Weber and Deutsch, 2010). It has been shown that including variable stoichiometry in ocean biogeochemistry models better represe ...
Nekton use of marsh-surface habitats in Louisiana (USA) deltaic salt
... of brown s h n m p and w h ~ t eshrimp w e r e found on hum, minnows, s t n p e d mulmocky S. alterniflora marsh D e n s ~ t l e sof daggerblade grass s h r ~ m psheepshead let, and blue crabs were s~rnilaramong the 3 marsh types. Although in an advanced state of detenoration, hummocky S alterniflor ...
... of brown s h n m p and w h ~ t eshrimp w e r e found on hum, minnows, s t n p e d mulmocky S. alterniflora marsh D e n s ~ t l e sof daggerblade grass s h r ~ m psheepshead let, and blue crabs were s~rnilaramong the 3 marsh types. Although in an advanced state of detenoration, hummocky S alterniflor ...
Influence of dynamic vegetation on climate change and terrestrial
... 2001). If we consider the sea level change during the LGM, about 200 PgC could have been stored in the exposed continental shelf (Faure et al., 1996; Zeng, 2003; Montenegro et al., 2006), and the uncertainty in this may be comparable to that of the change in atmospheric CO2 . Clim. Past, 9, 1571–158 ...
... 2001). If we consider the sea level change during the LGM, about 200 PgC could have been stored in the exposed continental shelf (Faure et al., 1996; Zeng, 2003; Montenegro et al., 2006), and the uncertainty in this may be comparable to that of the change in atmospheric CO2 . Clim. Past, 9, 1571–158 ...
The deep-sea floor ecosystem - School of Ocean and Earth Science
... for remaining so. Nonetheless, human impacts are occurring, and because of the sensitivity of the deep-sea ecosystem to changes in organic carbon flux, it may be unusually susceptible to global climate change and its cascading effects on oceanic productivity (Hannides & Smith 2003). Although the rem ...
... for remaining so. Nonetheless, human impacts are occurring, and because of the sensitivity of the deep-sea ecosystem to changes in organic carbon flux, it may be unusually susceptible to global climate change and its cascading effects on oceanic productivity (Hannides & Smith 2003). Although the rem ...
Coastal Systems - Millennium Ecosystem Assessment
... ges, and so on) and some fishing practices also account for widespread, usually irreversible, destruction of coastal habitats (medium certainty). Degradation is also a severe problem, because pressures within coastal zones are growing and because such zones are the downstream recipients of negative ...
... ges, and so on) and some fishing practices also account for widespread, usually irreversible, destruction of coastal habitats (medium certainty). Degradation is also a severe problem, because pressures within coastal zones are growing and because such zones are the downstream recipients of negative ...
Evolutionary ecology during the rise of dioxygen in the Earth`s
... from arc volcanoes, provided potential metabolic energy sources in surface environments. These included shallow marine water, lakes, land and even clouds. Being able to tolerate slightly more sunlight than one’s competition was ultimately a selective advantage when competing for atmospheric photoche ...
... from arc volcanoes, provided potential metabolic energy sources in surface environments. These included shallow marine water, lakes, land and even clouds. Being able to tolerate slightly more sunlight than one’s competition was ultimately a selective advantage when competing for atmospheric photoche ...
Native species behaviour mitigates the impact of
... and Burrill Lake (35°395⬘S, 150°447⬘E). Caulerpa was discovered in Lake Conjola in 2000, in Burrill Lake in 2001, and in St Georges Basin in 2004 (Creese et al. 2004). The three estuaries all have sites with thick infestations of Caulerpa which typically occurs in sheltered bays where there is littl ...
... and Burrill Lake (35°395⬘S, 150°447⬘E). Caulerpa was discovered in Lake Conjola in 2000, in Burrill Lake in 2001, and in St Georges Basin in 2004 (Creese et al. 2004). The three estuaries all have sites with thick infestations of Caulerpa which typically occurs in sheltered bays where there is littl ...
Evolutionary ecology during the rise of dioxygen in the Earth`s
... from arc volcanoes, provided potential metabolic energy sources in surface environments. These included shallow marine water, lakes, land and even clouds. Being able to tolerate slightly more sunlight than one’s competition was ultimately a selective advantage when competing for atmospheric photoche ...
... from arc volcanoes, provided potential metabolic energy sources in surface environments. These included shallow marine water, lakes, land and even clouds. Being able to tolerate slightly more sunlight than one’s competition was ultimately a selective advantage when competing for atmospheric photoche ...
IMOS National Reference Station (NRS) Network
... AODN portal with ‘marine geo’ base layer, and coastal waters and 200 metre layers from GA added in. ...
... AODN portal with ‘marine geo’ base layer, and coastal waters and 200 metre layers from GA added in. ...
Impacts of ocean acidification on marine fauna and ecosystem
... and skeletons is favoured. For values ,1.0, seawater is corrosive to CaCO3 and, in the absence of protective mechanisms (e.g. Corliss and Honjo, 1981; Isaji, 1995), dissolution will begin. Saturation states are generally highest in the tropics and lowest in the high latitudes, because the solubility ...
... and skeletons is favoured. For values ,1.0, seawater is corrosive to CaCO3 and, in the absence of protective mechanisms (e.g. Corliss and Honjo, 1981; Isaji, 1995), dissolution will begin. Saturation states are generally highest in the tropics and lowest in the high latitudes, because the solubility ...
Isotopic Tracers of the Marine Nitrogen Cycle: Present and Past
... subsurface waters of the Sargasso Sea have also been observed [14] suggesting that temporal aliasing is also a concern with the geochemical approach. Given the conservation of nitrogenase and presumably its catalytic mechanism and kinetics thereof, it is not surprising that fairly similar isotopic f ...
... subsurface waters of the Sargasso Sea have also been observed [14] suggesting that temporal aliasing is also a concern with the geochemical approach. Given the conservation of nitrogenase and presumably its catalytic mechanism and kinetics thereof, it is not surprising that fairly similar isotopic f ...
Impacts of ocean acidification on marine fauna and ecosystem processes
... and skeletons is favoured. For values ,1.0, seawater is corrosive to CaCO3 and, in the absence of protective mechanisms (e.g. Corliss and Honjo, 1981; Isaji, 1995), dissolution will begin. Saturation states are generally highest in the tropics and lowest in the high latitudes, because the solubility ...
... and skeletons is favoured. For values ,1.0, seawater is corrosive to CaCO3 and, in the absence of protective mechanisms (e.g. Corliss and Honjo, 1981; Isaji, 1995), dissolution will begin. Saturation states are generally highest in the tropics and lowest in the high latitudes, because the solubility ...
Isotope Composition of Organic Matter in Seawater
... structural modification processes than other organic biomarkers. Thus, 13C and 14C are preferentially applied to study carbon biogeochemical cycles over the other organic biomarkers. However, the signatures of d13C and D14C in organic matter can also be altered by the bacterial activities during mix ...
... structural modification processes than other organic biomarkers. Thus, 13C and 14C are preferentially applied to study carbon biogeochemical cycles over the other organic biomarkers. However, the signatures of d13C and D14C in organic matter can also be altered by the bacterial activities during mix ...
PDF-1 - RUcore
... the amount of carbon being shuttled from inorganic to organic forms via photosynthesis. A small percentage of solar energy reaching marine primary producers (phytoplankton, cyanobacteria, macroalgae) is transformed by the photosynthetic apparatus into reduced organic matter. These photosynthetic org ...
... the amount of carbon being shuttled from inorganic to organic forms via photosynthesis. A small percentage of solar energy reaching marine primary producers (phytoplankton, cyanobacteria, macroalgae) is transformed by the photosynthetic apparatus into reduced organic matter. These photosynthetic org ...
Diversity of Arctic pelagic Bacteria with an
... 2009). In both polar oceans, picocyanobacteria follow a general trend of decreasing concentrations and relative abundance with increasing latitudes, and strong inverse correlations between cell densities and temperature have been reported (Marchant et al., 1987; Murphy and Haugen, 1985; Rosenbergl, ...
... 2009). In both polar oceans, picocyanobacteria follow a general trend of decreasing concentrations and relative abundance with increasing latitudes, and strong inverse correlations between cell densities and temperature have been reported (Marchant et al., 1987; Murphy and Haugen, 1985; Rosenbergl, ...
English - IUCN Red List of Ecosystems
... criteria C1. Future decline: Despite trends in recent decades, global circulation models project a decline in climatic moisture for the region in which this ecosystem occurs. The same distribution models used to assess future change in distribution (Figure 6) were also used to assess trends in clima ...
... criteria C1. Future decline: Despite trends in recent decades, global circulation models project a decline in climatic moisture for the region in which this ecosystem occurs. The same distribution models used to assess future change in distribution (Figure 6) were also used to assess trends in clima ...
Nitrogen-Fixing and Nitrifying Symbioses in the
... heterotrophs, lithotrophs, and phototrophs. One unifying character in sponge-microbe ...
... heterotrophs, lithotrophs, and phototrophs. One unifying character in sponge-microbe ...
Marine ecosystems and the role of marine protected areas as
... grateful to other faculty professors, research assistants and staff of WMU, for their support and useful discussions, most especially Associate Professor Jan-Åke Jönsson and former Associate Professors Dick Hodgson and Robert McFarland. I am grateful to Lecturer, Inger Battista, for proof reading th ...
... grateful to other faculty professors, research assistants and staff of WMU, for their support and useful discussions, most especially Associate Professor Jan-Åke Jönsson and former Associate Professors Dick Hodgson and Robert McFarland. I am grateful to Lecturer, Inger Battista, for proof reading th ...
Synchronicity of Kuroshio Current and climate system variability
... are controlled by the East Asian monsoon and ENSO (Hu et al., 2015). On a seasonal scale, summer southeastern monsoon winds produce a negative wind stress curl over the tropical Pacific, leading to an enhanced equatorward transport of water masses over the inner ocean of the NPG, and consequently an ...
... are controlled by the East Asian monsoon and ENSO (Hu et al., 2015). On a seasonal scale, summer southeastern monsoon winds produce a negative wind stress curl over the tropical Pacific, leading to an enhanced equatorward transport of water masses over the inner ocean of the NPG, and consequently an ...
Carrion cycling in food webs: comparisons among terrestrial and
... thus scavenging ecology in the deep-sea remains an area of much needed research. Similarly, vertebrate scavenging likely plays an important role in nutrient cycling in other marine environments, yet little is known regarding scavenging behavior in these ecosystems. For example, although carrion ofte ...
... thus scavenging ecology in the deep-sea remains an area of much needed research. Similarly, vertebrate scavenging likely plays an important role in nutrient cycling in other marine environments, yet little is known regarding scavenging behavior in these ecosystems. For example, although carrion ofte ...
COSTS AND BENEFITS FOR CORAL REEFS
... shellfish remains predominate in archaeological deposits (Rouse, 1993). Seals were largely gone from the region before the first historical records were made by Europeans. The last Caribbean monk seal was seen more than 60 years ago on the isolated Pedro Banks in the west central Caribbean. ...
... shellfish remains predominate in archaeological deposits (Rouse, 1993). Seals were largely gone from the region before the first historical records were made by Europeans. The last Caribbean monk seal was seen more than 60 years ago on the isolated Pedro Banks in the west central Caribbean. ...
Observations on the Endemic Pygmy Three
... These carcasses were still fully intact, suggesting that they were not killed by predation. If so, these observations lead us to suspect a high rate of death through disease, habitat loss, or natural causes in the population of B. pygmaeus. As an insular endemic species, B. pygmaeus may be adapted t ...
... These carcasses were still fully intact, suggesting that they were not killed by predation. If so, these observations lead us to suspect a high rate of death through disease, habitat loss, or natural causes in the population of B. pygmaeus. As an insular endemic species, B. pygmaeus may be adapted t ...
ggecgoos05. - Japan Oceanographic Data Center
... Accurately delineating the EFH of a fishery species, or a particular life stage, will require detailed and comprehensive assessment of where these animals live along with the associated marine environmental conditions. ...
... Accurately delineating the EFH of a fishery species, or a particular life stage, will require detailed and comprehensive assessment of where these animals live along with the associated marine environmental conditions. ...
Foraminifera and Nannoplankton in Palaeoceanography
... Due to the highly variable test morphology of modern Virgulinella, the most distinct morphological separation from ancient species is given by the extreme delicacy of it's test (wall thickness ca. 1.2 micron). Miocene species of Virgulinella are ubiquitous, most commonly found in shelf sediments enr ...
... Due to the highly variable test morphology of modern Virgulinella, the most distinct morphological separation from ancient species is given by the extreme delicacy of it's test (wall thickness ca. 1.2 micron). Miocene species of Virgulinella are ubiquitous, most commonly found in shelf sediments enr ...