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Author Chapelle, G; Peck, LS openurl 
  Title Polar gigantism dictated by oxygen availability Type Journal Article
  Year 1999 Publication Nature Abbreviated Journal Nature  
  Volume 399 Issue Pages 114-115  
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  Corporate Author Thesis  
  Publisher Place of Publication (up) Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0028-0836 ISBN Medium  
  Area Black Sea; Caspian Sea; Lake Baikal Expedition Conference  
  Notes Approved no  
  Call Number refbase @ user @ 137 Serial 1  
Permanent link to this record
 

 
Author Schleser, GH; Jayasekera, R openurl 
  Title δ13C-variations of leaves in forests as an indication of reassimilated CO2 from the soil Type Journal Article
  Year 1985 Publication Oecologia Abbreviated Journal Oecologia  
  Volume 65 Issue Pages 536-542  
  Keywords soil respiration; photosynthesis; vascular plant  
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  Corporate Author Thesis  
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  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number refbase @ user @ ms Serial 11  
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Author Lohrmann, A; Cabrera, R; Kraus, NC openurl 
  Title Acoustic-doppler velocimeter (ADV) for laboratory use Type Journal Article
  Year 1994 Publication Fundamentals and advancements in hydraulic measurements and experimentation. Proceedings, Hydraulic Division/ASCE, August 1994 Abbreviated Journal  
  Volume Issue Pages 351-365  
  Keywords methods; flow; flume  
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  Corporate Author Thesis  
  Publisher Place of Publication (up) Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference Symposium on fundamentals and advancements in hydraulic measurements and experimentation  
  Notes Approved no  
  Call Number refbase @ user @ Serial 8  
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Author Bischof, K; Peralta, G; Kräbs, G; van de Poll, WH; Perez-Llorens, JL; Breeman, AM url  doi
openurl 
  Title Effects of solar UV-B radiation on canopy structure of Ulva communities from southern Spain Type Journal Article
  Year 2002 Publication Journal of Experimental Botany Abbreviated Journal J Exp Bot  
  Volume 53 Issue 379 Pages 2411-2421  
  Keywords canopy formation; photosynthesis; ultraviolet radiation; Ulva rotundata  
  Abstract Within the sheltered creeks of Cádiz bay, Ulva thalli form extended mat-like canopies. The effect of solar ultraviolet radiation on photosynthetic activity, the composition of photosynthetic and xanthophyll cycle pigments, and the amount of RubisCO, chaperonin 60 (CPN 60), and the induction of DNA damage in Ulva aff. rotundata Bliding from southern Spain was assessed in the field. Samples collected from the natural community were covered by screening filters, generating different radiation conditions. During daily cycles, individual thalli showed photoinhibitory effects of the natural solar radiation. This inhibition was even more pronounced in samples only exposed to photosynthetically active radiation (PAR). Strongly increased heat dissipation in these samples indicated the activity of regulatory mechanisms involved in dynamic photoinhibition. Adverse effects of UV-B radiation on photosynthesis were only observed in combination with high levels of PAR, indicating the synergistic effects of the two wavelength ranges. In samples exposed either to PAR+UV-A or to UV-B+UV-A without PAR, no inhibition of photosynthetic quantum yield was found in the course of the day. At the natural site, the top layer of the mat-like canopies is generally completely bleached. Artificially designed Ulva canopies exhibited fast bleaching of the top layer under the natural solar radiation conditions, while this was not observed in canopies either shielded from UV or from PAR. The bleached first layer of the canopies acts as a selective UV-B filter, and thus prevents subcanopy thalli from exposure to harmful radiation. This was confirmed by the differences in photosynthetic activity, pigment composition, and the concentration of RubisCO in thalli with different positions within the canopy. In addition, the induction of the stress protein CPN 60 under UV exposure and the low accumulation of DNA damage indicate the presence of physiological protection mechanisms against harmful UV-B. A mechanism of UV-B-induced inhibition of photosynthesis under field conditions is proposed.  
  Address  
  Corporate Author Thesis  
  Publisher Oxford University Press Place of Publication (up) Editor  
  Language English Summary Language English Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area southern Spain Expedition Conference  
  Notes Approved no  
  Call Number refbase @ user @ Serial 12  
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Author Kahn, E. url  openurl
  Title Conducting Type Book Whole
  Year 1966 Publication Abbreviated Journal  
  Volume Issue Pages  
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  Corporate Author Thesis  
  Publisher New York: Free P., 1966 Place of Publication (up) Editor  
  Language Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes 12, 244 S Approved no  
  Call Number refbase @ admin @ Serial 13  
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