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  • Ecosystem  (5)
  • American Association for the Advancement of Science (AAAS)  (5)
  • American Association of Petroleum Geologists (AAPG)
  • Cambridge University Press
  • Springer Nature
  • 2015-2019
  • 2005-2009  (3)
  • 2000-2004  (2)
  • 1965-1969
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (5)
  • American Association of Petroleum Geologists (AAPG)
  • Cambridge University Press
  • Springer Nature
Years
  • 2015-2019
  • 2005-2009  (3)
  • 2000-2004  (2)
  • 1965-1969
Year
  • 1
    Publication Date: 2001-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baker, C S -- Lento, G M -- Cipriano, F -- Dalebout, M L -- Palumbi, S R -- New York, N.Y. -- Science. 2000 Dec 1;290(5497):1695-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11186388" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Commerce ; *Conservation of Natural Resources ; Ecosystem ; International Cooperation ; Japan ; *Whales
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2001-06-26
    Description: For the period 1980-89, we estimate a carbon sink in the coterminous United States between 0.30 and 0.58 petagrams of carbon per year (petagrams of carbon = 10(15) grams of carbon). The net carbon flux from the atmosphere to the land was higher, 0.37 to 0.71 petagrams of carbon per year, because a net flux of 0.07 to 0.13 petagrams of carbon per year was exported by rivers and commerce and returned to the atmosphere elsewhere. These land-based estimates are larger than those from previous studies (0.08 to 0.35 petagrams of carbon per year) because of the inclusion of additional processes and revised estimates of some component fluxes. Although component estimates are uncertain, about one-half of the total is outside the forest sector. We also estimated the sink using atmospheric models and the atmospheric concentration of carbon dioxide (the tracer-transport inversion method). The range of results from the atmosphere-based inversions contains the land-based estimates. Atmosphere- and land-based estimates are thus consistent, within the large ranges of uncertainty for both methods. Atmosphere-based results for 1980-89 are similar to those for 1985-89 and 1990-94, indicating a relatively stable U.S. sink throughout the period.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pacala, S W -- Hurtt, G C -- Baker, D -- Peylin, P -- Houghton, R A -- Birdsey, R A -- Heath, L -- Sundquist, E T -- Stallard, R F -- Ciais, P -- Moorcroft, P -- Caspersen, J P -- Shevliakova, E -- Moore, B -- Kohlmaier, G -- Holland, E -- Gloor, M -- Harmon, M E -- Fan, S M -- Sarmiento, J L -- Goodale, C L -- Schimel, D -- Field, C B -- New York, N.Y. -- Science. 2001 Jun 22;292(5525):2316-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Atmospheric and Oceanic Sciences Program, Princeton University, Princeton, NJ 08544, USA. Pacala@princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11423659" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; *Atmosphere ; *Carbon/metabolism ; Carbon Dioxide ; Conservation of Natural Resources ; Ecosystem ; Fires ; Forestry ; Soil ; Time Factors ; *Trees/metabolism ; United States ; Wood
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2007-06-16
    Description: Tilman et al. (Reports, 8 December 2006, p. 1598) argued that low-input high-diversity grasslands can provide a substantial proportion of global energy needs. We contend that their conclusions are not substantiated by their experimental protocol. The authors understated the management inputs required to establish prairies, extrapolated globally from site-specific results, and presented potentially misleading energy accounting.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Russelle, Michael P -- Morey, R Vance -- Baker, John M -- Porter, Paul M -- Jung, Hans-Joachim G -- New York, N.Y. -- Science. 2007 Jun 15;316(5831):1567; author reply 1567.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. Department of Agriculture, Agricultural Research Service, St. Paul, MN 55108, USA. michael.russelle@ars.usda.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569846" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; *Biomass ; *Carbon/analysis ; Climate ; Ecosystem ; *Energy-Generating Resources ; Fabaceae/growth & development/metabolism ; Plant Development ; *Plants/metabolism ; *Poaceae/growth & development/metabolism ; Soil
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2008-05-20
    Description: Increasing quantities of atmospheric anthropogenic fixed nitrogen entering the open ocean could account for up to about a third of the ocean's external (nonrecycled) nitrogen supply and up to approximately 3% of the annual new marine biological production, approximately 0.3 petagram of carbon per year. This input could account for the production of up to approximately 1.6 teragrams of nitrous oxide (N2O) per year. Although approximately 10% of the ocean's drawdown of atmospheric anthropogenic carbon dioxide may result from this atmospheric nitrogen fertilization, leading to a decrease in radiative forcing, up to about two-thirds of this amount may be offset by the increase in N2O emissions. The effects of increasing atmospheric nitrogen deposition are expected to continue to grow in the future.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duce, R A -- LaRoche, J -- Altieri, K -- Arrigo, K R -- Baker, A R -- Capone, D G -- Cornell, S -- Dentener, F -- Galloway, J -- Ganeshram, R S -- Geider, R J -- Jickells, T -- Kuypers, M M -- Langlois, R -- Liss, P S -- Liu, S M -- Middelburg, J J -- Moore, C M -- Nickovic, S -- Oschlies, A -- Pedersen, T -- Prospero, J -- Schlitzer, R -- Seitzinger, S -- Sorensen, L L -- Uematsu, M -- Ulloa, O -- Voss, M -- Ward, B -- Zamora, L -- New York, N.Y. -- Science. 2008 May 16;320(5878):893-7. doi: 10.1126/science.1150369.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Oceanography and Atmospheric Sciences, Texas A&M University, College Station, TX 77843, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18487184" target="_blank"〉PubMed〈/a〉
    Keywords: *Atmosphere ; Carbon ; Carbon Dioxide/metabolism ; Ecosystem ; *Human Activities ; Humans ; *Nitrogen/metabolism ; Nitrogen Fixation ; Oceans and Seas ; *Reactive Nitrogen Species/metabolism ; *Seawater
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2007-11-17
    Description: Hurricane Katrina's impact on U.S. Gulf Coast forests was quantified by linking ecological field studies, Landsat and Moderate Resolution Imaging Spectroradiometer (MODIS) image analyses, and empirically based models. Within areas affected by relatively constant wind speed, tree mortality and damage exhibited strong species-controlled gradients. Spatially explicit forest disturbance maps coupled with extrapolation models predicted mortality and severe structural damage to approximately 320 million large trees totaling 105 teragrams of carbon, representing 50 to 140% of the net annual U.S. forest tree carbon sink. Changes in disturbance regimes from increased storm activity expected under a warming climate will reduce forest biomass stocks, increase ecosystem respiration, and may represent an important positive feedback mechanism to elevated atmospheric carbon dioxide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chambers, Jeffrey Q -- Fisher, Jeremy I -- Zeng, Hongcheng -- Chapman, Elise L -- Baker, David B -- Hurtt, George C -- New York, N.Y. -- Science. 2007 Nov 16;318(5853):1107.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ecology and Evolutionary Biology, Tulane University, 400 Lindy Boggs, New Orleans, LA 70118, USA. chambers@tulane.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18006740" target="_blank"〉PubMed〈/a〉
    Keywords: Biomass ; *Carbon ; Carbon Dioxide ; *Disasters ; Ecosystem ; Southeastern United States ; *Trees
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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