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  • Ecosystems  (1)
  • forest soils  (1)
  • 2015-2019  (1)
  • 1985-1989  (1)
  • 1
    Online Resource
    Online Resource
    Climate Change and Rocky Mountain Ecosystems (2018)
    Cham : Springer
    Details Availability
    Keywords: Environment ; Climate change ; Ecosystems ; Wildlife ; Fish ; Natural resources ; Rocky Mountains ; Klimaänderung ; Ökosystem
    Description / Table of Contents: This book is the result of a team of approximately 100 scientists and resource managers who worked together for two years to understand the effects of climatic variability and change on water resources, fisheries, forest vegetation, non-forest vegetation, wildlife, recreation, cultural resources and ecosystem services. Adaptation options, both strategic and tactical, were developed for each resource area. This information is now being applied in the northern rocky Mountains to ensure long-term sustainability in resource conditions. The volume chapters provide a technical assessment of the effects of climatic variability and change on natural and cultural resources, based on best available science, including new analyses obtained through modeling and synthesis of existing data. Each chapter also contains a summary of adaptation strategies (general) and tactics (on-the-ground actions) that have been developed by science-management teams
    Type of Medium: Online Resource
    Pages: Online-Ressource (XVII, 236 p. 42 illus., 37 illus. in color, online resource)
    ISBN: 9783319569284
    Series Statement: Advances in Global Change Research 63
    URL: https://doi.org/10.1007/978-3-319-56928-4
    URL: https://swbplus.bsz-bw.de/bsz491754280cov.jpg
    DOI: 10.1007/978-3-319-56928-4
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Relationships between soil microbial properties and aboveground stand characteristics of conifer forests in Oregon (1989)
    Springer
    Biogeochemistry 8 (1989), S. 265-281 
    Details
    ISSN: 1573-515X
    Keywords: forest soils ; leaf area index ; microbial biomass ; net primary productivity ; nitrogen availability ; nitrogen cycling ; remote sensing ; soil respiration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract Eight forest sites representing a large range of climate, vegetation, and productivity were sampled in a transect across Oregon to study the relationships between aboveground stand characteristics and soil microbial properties. These sites had a range in leaf area index of 0.6 to 16 m2 m−2 and net primary productivity of 0.3 to 14 Mg ha−1 yr−1. Measurements of soil and forest floor inorganic N concentrations and in situ net N mineralization, nitrification, denitrification, and soil respiration were made monthly for one year. Microbial biomass C and anaerobic N mineralization, an index of N availability, were also measured. Annual mean concentrations of NH 4 + ranged from 37 to 96 mg N kg−1 in the forest floor and from 1.7 to 10.7 mg N kg−1 in the mineral soil. Concentrations of NO 3 − were low ( 〈 1 mg N kg−1) at all sites. Net N mineralization and nitrification, as measured by the buried bag technique, were low on most sites and denitrification was not detected at any site. Available N varied from 17 to 101 mg N kg−1, microbial biomass C ranged from 190 to 1230 mg Ckg−1, and soil respiration rates varied from 1.3 to 49 mg C kg−1 day−1 across these sites. Seasonal peaks in NH 4 + concentrations and soil respiration rates were usually observed in the spring and fall. The soils data were positively correlated with several aboveground variables, including leaf area index and net primary productivity, and the near infrared-to-red reflectance ratio obtained from the airborne simulator of the Thematic Mapper satellite. The data suggest that close relationships between aboveground productivity and soil microbial processes exist in forests approaching semi-equilibrium conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00002892
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