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@ARTICLE{Rascher:43975,
      author       = {Rascher, U. and Bobich, E. G. and Osmond, C. B.},
      title        = {{T}he "{K}luge-{L}üttge {K}ammer": a preliminary
                      evaluation of an enclosed, crassulacean acid metabolism
                      ({CAM}) mesocosm that allows separation of synchronized and
                      desynchronized contributions of plants to whole system gas
                      exchange},
      journal      = {Plant biology},
      volume       = {8},
      issn         = {1435-8603},
      address      = {Oxford [u.a.] :Wiley- Blackwell},
      publisher    = {Wiley-Blackwell - STM},
      reportid     = {PreJuSER-43975},
      pages        = {167 - 174},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Crassulacean acid metabolism (CAM) is recognized as a
                      photosynthetic adaptation of plants to arid habitats. This
                      paper presents a proof-of-concept evaluation of partitioning
                      net CO2 exchanges for soil and plants in an arid,
                      exclusively CAM mesocosm, with soil depth and succulent
                      plant biomass approximating that of natural Sonoran Desert
                      ecosystems. We present the first evidence that an enclosed
                      CAM-dominated soil and plant community exposed to a
                      substantial day/night temperature difference (30/20 degrees
                      C), exhibits a diel gas exchange pattern consisting of four
                      consecutive phases with a distinct nocturnal CO2 uptake.
                      These phases were modulated by plant assimilation and soil
                      respiration processes. Day-time stomatal closure of the CAM
                      cycle during phase III was used to eliminate aboveground
                      photosynthetic assimilation and respiration and thereby to
                      estimate belowground plant plus soil respiration. Rapid
                      changes in temperature appeared to synchronize single plant
                      gas exchange but individual plant gas exchange patterns were
                      desynchronized at constant day/night temperatures (25
                      degrees C), masking the distinct mesocosm pattern. Overall,
                      the mean carbon budget of this CAM model Sonoran Desert
                      system was negative, releasing an average of 22.5 mmol CO2
                      m-2 d-1. The capacity for nocturnal CO2 assimilation in this
                      exclusively CAM mesocosm was inadequate to recycle CO2
                      released by plant and soil respiration.},
      keywords     = {Agave: metabolism / Cactaceae: metabolism / Carbon Dioxide:
                      metabolism / Circadian Rhythm / Desert Climate / Ecological
                      Systems, Closed / Photosynthesis / Soil / Soil (NLM
                      Chemicals) / Carbon Dioxide (NLM Chemicals) / J (WoSType)},
      cin          = {ICG-III},
      ddc          = {580},
      cid          = {I:(DE-Juel1)VDB49},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:16435279},
      UT           = {WOS:000235078600016},
      doi          = {10.1055/s-2005-873008},
      url          = {https://juser.fz-juelich.de/record/43975},
}