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6731 - 6740 of 7246 items
March 2004
Photogeneration of singlet oxygen by humic substances
Andrea Paul; Steffen Hackbarth; Rolf D. Vogt; Beate Röder; B. Kent Burnison; Christian E. W. Steinberg
Photochemical and photobiological sciences. - 3(2004)3, S. 273-280
March 2004
Humic substances and their direct effects on the physiology of aquatic plants
Stephan Pflugmacher; Constanze Pietsch; Wiete Rieger; Andrea Paul; Torsten Preuer; Elke Zwirnmann; Christian E. W. Steinberg
Humic substances / ed. by E. A. Ghabbour ... - New York : Taylor and Francis, 2004. - Chapter 22, S. 327-348
February 2004
Coregonen: Galapagos in Mitteleuropa
Jörg Freyhof; Michael Schulz
Biologie in unserer Zeit. - 34(2004)1, S. 10-11
February 2004
Testing the reliability and construct validity of a simple and inexpensive procedure to measure the use value of recreational fishing
R. Arlinghaus; T. Mehner
Fisheries management and ecology. - 11(2004)1, S. 61-64
February 2004
Deep layer cyanoprokaryota maxima in temperate and tropical lakes
J. Padisák; F.Barbosa; R. Koschel; L. Krienitz
Advances in limnology. - 58(2003), S. 175-199
February 2004
Interannual variability in the phytoplankton composition of Lake Stechlin (1994-2000)
J. Padisák; W. Scheffler; P. Kasprzak; R. Koschel; L. Krienitz
Advances in limnology. - 58(2003), S. 101-133
February 2004
Spatial and temporal pattern of development and decline of the spring diatom populations in Lake Stechlin in 1999
J. Padisák; W. Scheffler; C. Sípos; P. Kasprzak; R. Koschel; L. Krienitz
Advances in limnology. - 58(2003), S. 135-155
February 2004
Impact of natural organic matter (NOM) on freshwater amphipods
Maxim A. Timofeyev; Claudia Wiegand; B. Kent Burnison; Zhanna M. Shatilina; Stephan Pflugmacher; Christian E. W. Steinberg
The science of the total environment. - 319(2004)1-3, S. 115-121
February 2004
Phytoplankton assemblages and steady state in deep and shallow eutrophic lakes - an approach to differentiate the habitat properties of Oscillatoriales
Brigitte Nixdorf; Ute Mischke; Jacqueline Rücker
Hydrobiologia. - 502(2003), S. 111-121
February 2004
Equilibrium phase conditions in shallow German lakes
Ute Mischke; Brigitte Nixdorf
Hydrobiologia. - 502(2003), S. 123-132