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  • 1
    Keywords: marine carbon cycle ; terrestrial carbon cycle ; climatic change
    Description / Table of Contents: MARINE CARBON CYCLE --- Global Scale --- Characterization of Ocean Productivity Using a New Physical-Biological Coupled Ocean Model / K. Nakata, T. Doi, K. Taguchi and S. Aoki / Global Environmental Change in the Ocean and on Land, / pp. 1-44 --- Natural Radiocarbon Distribution in the Deep Ocean / K. Matsumoto and R. M. Key / Global Environmental Change in the Ocean and on Land, / pp. 45-58 --- Equatorial Region --- Variability of Surface Layer CO2 Parameters in the Western and Central Equatorial Pacific / M. Ishii, S. Saito, T. Tokieda, T. Kawano, K. Matsumoto and H. Y. Inoue / Global Environmental Change in the Ocean and on Land, / pp. 59-94 --- Settling Particles Flux in Response to El Niño/Southern Oscillation (ENSO) in the Equatorial Pacific / H. Kawahata and L. P. Gupta / Global Environmental Change in the Ocean and on Land, / pp. 95-108 --- Particulate Amino Acids and Biogeochemical Processes in the Equatorial Pacific Ocean during the 1999-2001 La Niña Event / L. P. Gupta and H. Kawahata / Global Environmental Change in the Ocean and on Land, / pp. 109-120 --- Floral Response of Coccolithophores to Progressive Oligotrophication in the South Equatorial Current, Pacific Ocean / K. Hagino and H. Okada / Global Environmental Change in the Ocean and on Land, / pp. 121-132 --- Coccolith Carbonate Fluxes in the Northwest Pacific Ocean / Y. Tanaka / Global Environmental Change in the Ocean and on Land, / pp. 133-146 --- Western Pacfic --- Artificial Radionuclides in the Western North Pacific: A Review / G. H. Hong, M. Baskaran and P. P. Povinec / Global Environmental Change in the Ocean and on Land, / pp. 147-172 --- Material Transport Processes on the Continental Margin in the East China Sea / M. Yamada / Global Environmental Change in the Ocean and on Land, / pp. 173-187 --- Cadmium Distribution in the Western Pacific / K. Abe / Global Environmental Change in the Ocean and on Land, / pp. 189-203 --- Ocean Environments in Response to Climatic Change --- Climate Reconstructions from Annually Banded Corals / T. Felis and J. Pätzold / Global Environmental Change in the Ocean and on Land, / pp. 205-227 --- Reef Water CO2 System and Carbon Production of Coral Reefs: Topographic Control of System-Level Performance / A. Suzuki and H. Kawahata / Global Environmental Change in the Ocean and on Land, / pp. 229-248 --- Chemistry of Benthic Foraminiferal Shells for Recording Ocean Environments: Cd/Ca, d13C and Mg/Ca / K. Tachikawa and H. Elderfield / Global Environmental Change in the Ocean and on Land, / pp. 249-263 --- Have the Tropical Pacific Ocean-Atmosphere Interactions Behaved as a Driver of Centennial- to Orbital-Scale Climate Changes? / M. Yamamoto / Global Environmental Change in the Ocean and on Land, / pp. 265-278 --- Long Term Variations of Uranium Isotopes and Radiocarbon in the Surface Seawater Recorded in Corals / Y. Yokoyama and T. M. Esat / Global Environmental Change in the Ocean and on Land, / pp. 279-309 --- TERRESTRIAL CARBON CYCLE --- A Multi-Scale Analysis of a National Terrestrial Carbon Budget and the Effects of Land-Use Change / C. M. Trotter, K. R. Tate, S. Saggar, N. A. Scott and M. A. Sutherland / Global Environmental Change in the Ocean and on Land, / pp. 311-341 --- Global Mapping of Terrestrial Primary Productivity and Light-Use Efficiency with a Process-Based Model / A. Ito and T. Oikawa / Global Environmental Change in the Ocean and on Land, / pp. 343-358 --- Carbon and Nitrogen Accumulation in a Savanna Landscape: Field and Modeling Perspectives / S. Archer, T. W. Boutton and C. R. McMurtry / Global Environmental Change in the Ocean and on Land, / pp. 359-373 --- Estimating Dynamics of CO2 Flux in Agro-Ecosystems based on Synergy of Remote Sensing and Process Modeling-A Methodological Study / Y. Inoue and A. Olioso / Global Environmental Change in the Ocean and on Land, / pp. 375-390 --- Changes in Productivity of East and South Asian Countries in the 21st Century: Regional Trends According to Climate Change / K. Okamoto, M. Yokozawa and H. Kawashima / Global Environmental Change in the Ocean and on Land, / pp. 391-399 --- A Preliminary Study on the Carbon Dynamics of China's Forest Ecosystems in the Past 20 Years / P. Gong, J. Chen and M. Xu / Global Environmental Change in the Ocean and on Land, / pp. 401-410 --- Retrieval of Forest Fire History in Far East Asia by Remote Sensing and Its Analysis with Biomass Burning Simulation and Climate Anomalies / J. Kuçera and Y. Yasuoka / Global Environmental Change in the Ocean and on Land, / pp. 411-424 --- Potential of Woody Carbon Stock Estimation Using High Spatial Resolution Imagery: A Case Study of Spruce Stands / Y. Awaya, S. Tsuyuki, E. Kodani and G. Takao / Global Environmental Change in the Ocean and on Land, / pp. 425-440 --- Multi-Temporal MODIS Data Product for Carbon Cycles Research / Z. Dafang, L. Ronggao and S. Runhe / Global Environmental Change in the Ocean and on Land, / pp. 441-451 --- Photosynthetic Characteristics of Mixed Deciduous-Broadleaf Forests from Leaf to Stand / T. Koike, S. Kitaoka, T. Ichie, T. T. Lei and M. Kitao / Global Environmental Change in the Ocean and on Land, / pp. 453-472 --- Effect of Free-Air CO2 Enrichment on Structures of Weed Communities and CO2 Exchange at the Flood-Water Surface in a Rice Paddy Field / H. Koizumi, T. Kibe, T. Nakadai, Y. Yazaki, M. Adachi, M. Inatomi, M. Kondo and T. Ohtsuka / Global Environmental Change in the Ocean and on Land, / pp. 473-485
    Pages: Online-Ressource (VI, 490 Seiten)
    ISBN: 4887041330
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Ecological research 13 (1998), S. 313-322 
    ISSN: 1440-1703
    Keywords: gamma distribution ; grassland ; grazing ; plant biomass ; spatial autocorrelation ; spatial heterogeneity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Using gamma distribution and spatial autocorrelation, it was demonstrated that plant biomass per unit area of a pasture grazed by cattle exhibited two kinds of spatial heterogeneity: small-scale heterogeneity caused by grazing and large-scale heterogeneity caused by topography, land aspect, etc. For each of the 10 measurement times from May to August, 100 quadrats 50 cm × 50 cm were arranged along a straight line 50 m long in a pasture, and the plants within the quadrats were harvested at the height of 3 cm above the ground surface to measure the dry weight. The data were aggregated into frequency distributions, and gamma distribution and the parameter values were estimated. This analysis showed that with the progression of grazing the amount of biomass decreased and the degree of spatial heterogeneity in biomass, measured per 0.25 m2, increased, and due to plant regrowth the trends were reversed. By rearranging the 100 biomass data in order of weight, it was suggested that plots with an extremely large biomass were not grazed by cattle and remained in the pasture. For the same data, variations of biomass along the straight line were divided into two parts based on the moving average: the spatial trend and the residuals which cannot be explained by the trend. In this analysis, 48–75% of the total spatial variation was explained by the trend along the straight line. Analysis using spatial autocorrelation for the actual biomass changes showed that the biomass changes within a range of about 10 m on the straight line gave a positive correlation, which indicates a topographical trend in biomass. Spatial autocorrelation for residuals suggested that the spatial changes in biomass along the straight line followed a wave-like or checker-board pattern. Small-scale spatial heterogeneity in plant biomass may be caused by the uneven deposition of excreta by grazing animals, uneven use of the grassland by grazing animals, and uneven dispersal of plant seeds through faeces over the grassland. The possibility that such unevenness might accelerate energy flow in the grassland ecosystem and contribute to grassland sustainability is discussed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Ecological research 15 (2000), S. 13-20 
    ISSN: 1440-1703
    Keywords: binary data ; finite-count correction ; incidence of plant disease ; index ; occurrence of species ; spatial heterogeneity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: We propose two types of indices with finite-count correction to measure the spatial heterogeneity of binary characteristics of organisms, such as occurrence or non-occurrence of organisms and infected or non-infected plants. We consider the following two examples: plant occurrence in a grassland community, and yellow dwarf disease infection in a rice field. For the grassland community, N quadrats comprising n cells of equal area, were set at random sites in a grassland, and the occurrence of a given species A in each of n cells was recorded. For disease infection, N quadrats, each consisting of n rice plants, were set at random sites in a paddy field, and the number of plants infected with yellow dwarf virus in each quadrat were counted. In these examples, since the number of cells in a quadrat is finite, neither occurrence nor incidence increase infinitely, unlike the number of aphids on a maize leaf. The first category of index belongs to the mean : variance ratio type. The estimated index value for occurrence (or incidence) is the same as that for non-occurrence (or non-incidence). The second category belongs to the k-type of a negative binomial distribution. If some random plants die or recover from the disease then the expected value of the second type of index does not change. For n→∞, the current indices approach the mean : variance ratio and the inverse of k in a negative binomial distribution, respectively. This indicates that these indices are suitable for binary data sets.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1440-1703
    Keywords: Andosol ; CO2 concentration ; Soil microbial respiration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In order to assess the validity of conventional methods for measuring CO2 flux from soil, the relationship between soil microbial respiration and ambient CO2 concentration was studied using an open-flow infra-red gas analyser (IRGA) method. Andosol from an upland field in central Japan was used as a soil sample. Soil microbial respiration activity was depressed with the increase of CO2 concentration in ventilated air from 0 to 1000 ppmv. At 1000 ppmv, the respiration rate was less than half of that at 0 ppmv. Thus, it is likely that soil respiration rate is overestimated by the alkali absorption method, because CO2 concentration in the absorption chamber is much lower than the normal level. Metabolic responses to CO2 concentration were different among groups of soil microorganisms. The bacteria actinomycetes group cultivated on agar medium showed a more sensitive response to the CO2 concentration than the filamentous fungi group.
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 1974-09-01
    Print ISSN: 1438-3896
    Electronic ISSN: 1438-390X
    Topics: Biology
    Published by Springer
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  • 6
    Publication Date: 1967-12-01
    Print ISSN: 1438-3896
    Electronic ISSN: 1438-390X
    Topics: Biology
    Published by Springer
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  • 7
    Publication Date: 2000-03-01
    Print ISSN: 0912-3814
    Electronic ISSN: 1440-1703
    Topics: Biology
    Published by Springer
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  • 8
    Publication Date: 2001-09-01
    Print ISSN: 0912-3814
    Electronic ISSN: 1440-1703
    Topics: Biology
    Published by Springer
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  • 9
    Publication Date: 1998-10-01
    Print ISSN: 0912-3814
    Electronic ISSN: 1440-1703
    Topics: Biology
    Published by Springer
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  • 10
    Publication Date: 1991-12-01
    Print ISSN: 0912-3814
    Electronic ISSN: 1440-1703
    Topics: Biology
    Published by Springer
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