Abstract
In this work, the photosynthetic performances of Enteromorpha prolifera thalli collected from the surface and bottom of the sea of Qingdao sea area were studied with chlorophyll fluorescence and oxygraph technology. The samples with the highest photosynthetic activity among their kinds, the floating thalli from the sea surface of the south of the Qingdao Olympic Sailing Center and the sedimentary thalli from the mud surface of the bottom Tuandao bay, were chosen as representatives of surface thalli and bottom thalli, respectively. The results showed that the maximal PSII quantum yield of the floating thalli was significantly lower than the normal level although their photosynthetic activities were relatively high; the photosynthetic potential of the thalli form the mud surface was extremely low. Thus, it is indicated that the floating thalli are seriously stressed by their environment and the thalli from the mud surface are already dead or are dying. On the other hand, the results of the laboratory cultivation showed that the sedimentary thalli cannot regain normal photosynthetic activity even under normal illumination conditions. Thus, the thalli from the mud surface cannot become reproductive source of the alga even if they can reach sea surface again. Therefore, a preliminary conclusion can be reached that, up to mid-July 2008, the environmental conditions of the Qingdao sea area are not suitable for the growth of the alga E. prolifera and for this reason the biomass of E. prolifera, in the area, could be declining.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Lin A P, Shen S D, Wang J W et al. Reproduction Diversity of Enteromorpha prolifera. J Integr Plant Biol, 2008, 50 (5): 622–629
Wang X K, Ma J H, Ye D C, et al. Preliminary study on the life History of Enteromorpha prolifera. Mar Sci Bull, 2007, 26 (5): 112–116 (In Chinese with English abstract)
Blomster J, Back S, Fewer D P. Novel morphology in Enteromorpha (Ulvophyceae) forming green tides. Am J Bot, 2002, 89 (11): 1756–1763
Fong P, Fong J J, Fong C R. Growth, nutrient storage, and release of dissolved organic nitrogen by Enteromorpha intestinalis in response to pulses of nitrogen and phosphorus. Aquat Bot, 2004, 78: 83–95
Ho Y B. Inorganic mineral nutrient level studies on Potamogeton pectinatus L. and Enteromorpha prolifera in Forfar Lock, scotland. Hydrobiologia, 1979: 7–15
Arnon D I. Cooper enzymes in isolated chloroplast polyphenoloxidaese in Beta vulgaris. Plant Physiol, 1949, 24: 1–15
Schreiber U, Bilger W, Neubauer C. Chlorophyll fluorescence as a non-intrusive indicator for rapid assessment of in vivo photosynthesis. In: Schulze E D, Caldwell M M, eds. Ecophysiology of Photosynthesis, Ecological Studies. Berlin: Springer-Verlag. 1994. 49–70
Beer S, Ilan M. In situ measurements of photosynthetic irradiance responses of two Red Sea sponges growing under dim light conditions. Mar Biol, 1998, 131: 613–617
Bischof K, Hanelt D, Wiencke C. UV-radiation can affect depth-zonation of Antarctic macroalgae. Mar Biol, 1998, 131: 597–605
Longstaff B J, Kildea T, Runcie J W, et al. An in situ study of photosynthetic oxygen exchange and electron transport rate in the marine macroalga Ulva lactuca (Chlorophyta). Photosynth Res, 2002, 74: 281–293
Chen L H, Liu L. Application of the chlorophyll fluorescence in photosynthesis of algae. Jiangxi Sci, 2007, 25 (6): 788–806 (In Chinese with English abstract)
Häder D P, Lebert M, Jimenez C. Pulse amplitude modulated fluorescence in the green macrophytes, Codium adherens, Enteromorpha muscoides, Ulva gigantea and Ullva rigida, from the Atlantic coast of Southern Spain. Environ Exp Bot, 1999, 41: 247–255
Melis A, Melnicki M R. Integrated biological hydrogen production. Int J Hydrogen Energ, 2006, 31: 1563–1573
Author information
Authors and Affiliations
Corresponding author
Additional information
Supported by National Natural Science Foundation of China (Grant No. 30830015), Key Projects in the National Science & Technology Pillar Program in the Eleventh Five-year Plan Period (Grant No. 2006BAD09A04) and National High Technology Research and Development Program of China (Grant Nos. 2006AA10A402, 2007AA09Z406, 2006AA05Z112, 2006AA10A413)
About this article
Cite this article
Lin, A., Wang, C., Qiao, H. et al. Study on the photosynthetic performances of Enteromorpha prolifera collected from the surface and bottom of the sea of Qingdao sea area. Chin. Sci. Bull. 54, 399–404 (2009). https://doi.org/10.1007/s11434-009-0025-6
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11434-009-0025-6