Collateral transgression of planetary boundaries due to climate
... tCDR is likely to have unintended impacts on other Earth system components besides atmospheric carbon concentrations that is mediated by the global cycles of carbon, water and other biogeochemical compounds (Vaughan and Lenton, 2011). For example, large-scale biomass plantations would require substa ...
... tCDR is likely to have unintended impacts on other Earth system components besides atmospheric carbon concentrations that is mediated by the global cycles of carbon, water and other biogeochemical compounds (Vaughan and Lenton, 2011). For example, large-scale biomass plantations would require substa ...
Stable Isotope Ecology in the OmoTurkana Basin
... in the d13C range from about -24% to -30%, with the more positive values associated with more xeric conditions and the more negative values associated with more mesic conditions.20 This is related to stomatal regulation where, in xeric conditions, partial stomatal closure to prevent water loss resul ...
... in the d13C range from about -24% to -30%, with the more positive values associated with more xeric conditions and the more negative values associated with more mesic conditions.20 This is related to stomatal regulation where, in xeric conditions, partial stomatal closure to prevent water loss resul ...
The Application of Carbon Isotope Discrimination in Cereal Improve
... for~ns.The nlost coillmo~~ form is 12C, which accounts for about 98.9 percent of the C in at~llosphericCO,. The other stable isotope, l3C, makes up about 1.1 percent of atmospheric CO,. The proportion of 13C in the biosphere is sufficiently large that very slnall variations in the 13C112C ratio can ...
... for~ns.The nlost coillmo~~ form is 12C, which accounts for about 98.9 percent of the C in at~llosphericCO,. The other stable isotope, l3C, makes up about 1.1 percent of atmospheric CO,. The proportion of 13C in the biosphere is sufficiently large that very slnall variations in the 13C112C ratio can ...
Consequences of Considering Carbon–Nitrogen
... cycle and the climate. In simulations with these models, warming reduces terrestrial carbon uptake resulting in a positive feedback to the climate system. In some cases, terrestrial ecosystems even switch from being a carbon sink to being a carbon source by the year 2100 (Cox et al. 2000). While war ...
... cycle and the climate. In simulations with these models, warming reduces terrestrial carbon uptake resulting in a positive feedback to the climate system. In some cases, terrestrial ecosystems even switch from being a carbon sink to being a carbon source by the year 2100 (Cox et al. 2000). While war ...
DIWPA/IBOY - Marine Coastal Habitats in the Western Pacific
... The importance of coastal ecosystems to humanity is vital as most of the world’s people live within 80 km of the coast. Coastal ecosystems provide food and other resources, transportation, waste disposal, recreation, and inspiration. Some kelp forests, intertidal shores, and estuaries are among the ...
... The importance of coastal ecosystems to humanity is vital as most of the world’s people live within 80 km of the coast. Coastal ecosystems provide food and other resources, transportation, waste disposal, recreation, and inspiration. Some kelp forests, intertidal shores, and estuaries are among the ...
Marine snow latitudinal distribution in the equatorial Pacific along 180°
... [17] Generally, decreases in MS particle abundances are coupled with the increasing individual particle size [Stemmann et al., 2000]. In the present study, large particles were found in the upper 250 m, mostly between 2S and 4N (Figure 5). Abundance distributions were often negatively correlated w ...
... [17] Generally, decreases in MS particle abundances are coupled with the increasing individual particle size [Stemmann et al., 2000]. In the present study, large particles were found in the upper 250 m, mostly between 2S and 4N (Figure 5). Abundance distributions were often negatively correlated w ...
Conceptual models for the biogeochemical role of the photic zone
... 2. Biomass and growth rate control of bacteria and phytoplankton Views on population regulation in natural systems are generally dominated by two alternative schools, leaving the impression that there is either a so-called ‘top-down’ control by predators, or a ‘bottom-up’ control through resource av ...
... 2. Biomass and growth rate control of bacteria and phytoplankton Views on population regulation in natural systems are generally dominated by two alternative schools, leaving the impression that there is either a so-called ‘top-down’ control by predators, or a ‘bottom-up’ control through resource av ...
The Road to a Sustainable East Asian Seas
... production system, growing at 7 percent annually — but the production of externally fed aquaculture (48 percent of total aquaculture production) is largely dependent upon marine fisheries for feed. • Fish products are among the most widely traded foods, with more than 37 percent by volume of world ...
... production system, growing at 7 percent annually — but the production of externally fed aquaculture (48 percent of total aquaculture production) is largely dependent upon marine fisheries for feed. • Fish products are among the most widely traded foods, with more than 37 percent by volume of world ...
Dynamics and Evolution of European Margins
... this margin-wide study in the Northeast Atlantic from Norway to southwest of Ireland. Through this endeavor, scientists have learned that even though the glaciated European margin is tectonically classified as passive, the post-rift history of the margin has been physically dynamic. The resulting st ...
... this margin-wide study in the Northeast Atlantic from Norway to southwest of Ireland. Through this endeavor, scientists have learned that even though the glaciated European margin is tectonically classified as passive, the post-rift history of the margin has been physically dynamic. The resulting st ...
Honors Biology – Chapters 3-5
... 26. Explain why it is important for humans to understand ecosystems and ecology, using examples from class 27. Explain how the human population has changed over time, and how it is likely to change in the future; give examples of the density-dependent and density-independent factors that affected th ...
... 26. Explain why it is important for humans to understand ecosystems and ecology, using examples from class 27. Explain how the human population has changed over time, and how it is likely to change in the future; give examples of the density-dependent and density-independent factors that affected th ...
Sediment classification, part 2
... of coccolithophores, pteropods, and foraminifera are called calcareous oozes. • Calcareous oozes are typically found in deposits in waters shallower than the carbonate compensation depth (CCD) – the depth at which calcium carbonate dissolves. • The CCD averages about 4,500 m. • The rate at which cal ...
... of coccolithophores, pteropods, and foraminifera are called calcareous oozes. • Calcareous oozes are typically found in deposits in waters shallower than the carbonate compensation depth (CCD) – the depth at which calcium carbonate dissolves. • The CCD averages about 4,500 m. • The rate at which cal ...
Chapter I Deep-sea ecosystems: their functioning and biodiversity
... In the deep sea, diversity varies on local, regional, and global scales (Levin et al. 2001, Stuart et al. 2003). The best documented is the unimodal relationship between depth and species diversity (Rex 1981). A variety of biological explanations were proposed for why species diversity peaks at inte ...
... In the deep sea, diversity varies on local, regional, and global scales (Levin et al. 2001, Stuart et al. 2003). The best documented is the unimodal relationship between depth and species diversity (Rex 1981). A variety of biological explanations were proposed for why species diversity peaks at inte ...
Quasi-100 ky glacial-interglacial cycles triggered by - HAL-Insu
... these estimates, but the number 500 GtC (1 GtC is 1 gigaton or 1 petagram or 1015 g of carbon; hereafter Gt in accord with paleoclimate tradition) has established itself in the literature, corresponding to a 0.35‰ lower mean glacial ocean δ 13 C (Curry et al., 1988; Duplessy et al., 1988). Thus the ...
... these estimates, but the number 500 GtC (1 GtC is 1 gigaton or 1 petagram or 1015 g of carbon; hereafter Gt in accord with paleoclimate tradition) has established itself in the literature, corresponding to a 0.35‰ lower mean glacial ocean δ 13 C (Curry et al., 1988; Duplessy et al., 1988). Thus the ...
Habitats
... Hydrologic characteristics of the Camargue marshes are these: an important variation in water level, more or less long flood periods (cycles of one or several years) and drought periods when salt raises up from the ground. Regarding open marshes, flood periods are more frequent. In this type of mars ...
... Hydrologic characteristics of the Camargue marshes are these: an important variation in water level, more or less long flood periods (cycles of one or several years) and drought periods when salt raises up from the ground. Regarding open marshes, flood periods are more frequent. In this type of mars ...
met60-topic02
... – Land-based • The “solid” earth: – Plate tectonics & paleoclimate – Volcanic gases – Carbon locked in (“sequestered” e.g., in rocks) ...
... – Land-based • The “solid” earth: – Plate tectonics & paleoclimate – Volcanic gases – Carbon locked in (“sequestered” e.g., in rocks) ...
Convention on Wetlands (Ramsar, Iran, 1971)
... which particular features of these habitat types indicate the best representative examples of such wetlands under Ramsar Criterion 1; uncertainty, in the case of peatlands and wet grasslands, as to which wetland types in the Ramsar Classification System for Wetland Type apply, since these habitat ty ...
... which particular features of these habitat types indicate the best representative examples of such wetlands under Ramsar Criterion 1; uncertainty, in the case of peatlands and wet grasslands, as to which wetland types in the Ramsar Classification System for Wetland Type apply, since these habitat ty ...
synthesis 2010-2015
... an oligotrophic attribute, mostly in the eastern Mediterranean, implicating a peculiar trophic web; ...
... an oligotrophic attribute, mostly in the eastern Mediterranean, implicating a peculiar trophic web; ...
Fish - IUCN OPEN OCEAN CARBON REPORT
... In 2009 IUCN published a now landmark report1 that synthesized a significant quantity of new scientific information on coastal ecosystems containing rich, stored carbon resources. At that time we stressed the need for prudent management to ensure that the carbon trapped in these ecosystems remains t ...
... In 2009 IUCN published a now landmark report1 that synthesized a significant quantity of new scientific information on coastal ecosystems containing rich, stored carbon resources. At that time we stressed the need for prudent management to ensure that the carbon trapped in these ecosystems remains t ...
Chapter 8 - Inorganic carbon chemistry
... of ice caps and consequent flooding in low-lying areas of the Earth. There will also be changes in the weather patterns which would affect agriculture worldwide. These problems have been recognised by nations worldwide. Recent agreements under the Kyoto Accord between nations mean that there will be ...
... of ice caps and consequent flooding in low-lying areas of the Earth. There will also be changes in the weather patterns which would affect agriculture worldwide. These problems have been recognised by nations worldwide. Recent agreements under the Kyoto Accord between nations mean that there will be ...
Susan Mullane
... northern parts of St. Johns County, and may have been for some time. The research was designed to test the hypothesis that climate change affects the distribution of Rhizophora mangle in northeastern parts of Florida. The point being that Rhizophora mangle provides a habitat to many other species an ...
... northern parts of St. Johns County, and may have been for some time. The research was designed to test the hypothesis that climate change affects the distribution of Rhizophora mangle in northeastern parts of Florida. The point being that Rhizophora mangle provides a habitat to many other species an ...
The evolution of the marine phosphate reservoir
... rates within, proglacial environments22. Importantly, in the Neoproterozoic, before soil stabilization by vascular plants, the temporal extent of enhanced phosphorus delivery from glaciated catchments was probably much greater than in the Pleistocene. Because phosphorus is believed to be the nutrien ...
... rates within, proglacial environments22. Importantly, in the Neoproterozoic, before soil stabilization by vascular plants, the temporal extent of enhanced phosphorus delivery from glaciated catchments was probably much greater than in the Pleistocene. Because phosphorus is believed to be the nutrien ...
No Slide Title
... From a biological perspective, significant amount of land available for afforestation in Canada Only a subset of this land is economically feasible (incorporating both carbon and fibre values) Broad scale afforestation in Canada seems to be profitable if: – focus on fast growing species > 12 m³ / ha ...
... From a biological perspective, significant amount of land available for afforestation in Canada Only a subset of this land is economically feasible (incorporating both carbon and fibre values) Broad scale afforestation in Canada seems to be profitable if: – focus on fast growing species > 12 m³ / ha ...
The Large Marine Ecosystem network approach to
... ARTICLE IN PRESS K. Sherman / Ocean & Coastal Management 49 (2006) 640–648 ...
... ARTICLE IN PRESS K. Sherman / Ocean & Coastal Management 49 (2006) 640–648 ...
What is carbon? Conceptualising carbon and capabilities in
... of estimating the size of these markets. There is also considerable spatial variability in global carbon markets, demonstrated by the significant variation in carbon prices between carbon tax schemes, from as little as US$1 per tCO2 (tonne of CO2) in Mexico to US$168 in Sweden.28 The result is that t ...
... of estimating the size of these markets. There is also considerable spatial variability in global carbon markets, demonstrated by the significant variation in carbon prices between carbon tax schemes, from as little as US$1 per tCO2 (tonne of CO2) in Mexico to US$168 in Sweden.28 The result is that t ...
The Ocean Acidification Initiative Goal: $2.5 million
... fisheries/shellfish research. This work provides the data to develop ecosystem models that can be used to predict where ocean acidification will be manifested in the coastal ocean and its implications for marine organisms, as well as allow for the development of mitigation and remediation strategies ...
... fisheries/shellfish research. This work provides the data to develop ecosystem models that can be used to predict where ocean acidification will be manifested in the coastal ocean and its implications for marine organisms, as well as allow for the development of mitigation and remediation strategies ...