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R. Banker, S. Carmeli, O. Hadas, B. Teltsch, R. Porat, A. Sukenik (1997)
IDENTIFICATION OF CYLINDROSPERMOPSIN IN APHANIZOMENON OVALISPORUM (CYANOPHYCEAE) ISOLATED FROM LAKE KINNERET, ISRAEL 1Journal of Phycology, 33
U. Pollingher (1981)
The structure and dynamics of the phytoplankton assemblages in Lake Kinneret, IsraelJournal of Plankton Research, 3
U. Pollingher, T. Zohary, T. Fishbein (1998)
ALGAL FLORA IN THE HULA VALLEY—PAST AND PRESENTIsrael Journal of Plant Sciences, 46
K. Hambright, J. Shapiro (1997)
The 1993 collapse of the Lake Kinneret bleak fisheryFisheries Management and Ecology, 4
B. Hickel, U. Pollingher (1988)
Identification of the bloom-forming Peridinium from Lake Kinneret (Israel) as P. gatunense (Dinophyceae)European Journal of Phycology, 23
P. Walline, S. Pisanty, T. Lindem (1992)
Acoustic assessment of the number of pelagic fish in Lake Kinneret, IsraelHydrobiologia, 231
T. Berman, B. Shteinman (1998)
Phytoplankton development and turbulent mixing in Lake Kinneret (1992–1996)Journal of Plankton Research, 20
B. Meyer, H. Håkansson (1996)
Morphological variation of Cyclotella polymorpha sp. nov. (Bacillariophyceae)Phycologia, 35
A. Sukenik, C. Rosin, R. Porat, Benjamin Teltsch, R. Banker, S. Carmeli (1998)
TOXINS FROM CYANOBACTERIA AND THEIR POTENTIAL IMPACT ON WATER QUALITY OF LAKE KINNERET, ISRAELIsrael Journal of Plant Sciences, 46
T. Berman (1997)
Dissolved organic nitrogen utilization by an Aphanizomenon bloom in Lake KinneretJournal of Plankton Research, 19
T. Berman, L. Stone, Y. Yacobi, B. Kaplan, Alisha Schlichter, A. Nishri, U. Pollingher (1995)
Primary production and phytoplankton in Lake Kinneret: A long‐term record (1972‐1993)Limnology and Oceanography, 40
N. Malinsky-Rushansky, T. Berman, Z. Dubinsky (1995)
Seasonal dynamics of picophytoplankton in Lake Kinneret, IsraelFreshwater Biology, 34
M. Gophen, S. Serruya, S. Threlkeld (1990)
Long term patterns in nutrients, phytoplankton and zooplankton of Lake Kinneret and future predictions for ecosystem structureArchiv für Hydrobiologie
U. Pollingher (1986)
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U. Pollingher, E. Zemel (1981)
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From the beginning of detailed routine monitoring in 1968 (and probably before) until the end of 1993, annual and seasonal development of phytoplankton in Lake Kinneret showed a relatively constant pattern. In the late winter and early spring there were extensive blooms of the dinoflagellate Peridinium gatunense, followed in summer and autumn by much lower standing stocks of predominantly nannoplanktonic chlorophytes. Although Microcystis spp. were prominent (usually concomitant with the dinoflagellates) in the early 1970s, subsequently this genus and other cyanobacteria were generally unimportant contributors to phytoplankton biomass. Since early 1994, however, a marked change in seasonal phytoplankton development has been noted. There were record high blooms of Peridinium in 1994 and 1995; in the following years, 1996 and 1997, no dinoflagellate bloom appeared. In the late summer and fall of 1994 an exceptional bloom of Aphanizomenon ovalisporum occurred; this was the first recorded instance of an outgrowth of a potentially toxic and N2,-fixing filamentous cyanobacterium in this lake. This organism has been observed in low numbers in each subsequent year. In 1995, 1996, and 1997 Microcystis also became prominent. Levels of primary production since 1994 have generally been higher than previous multi-annual averages.The quality of water in Lake Kinneret is to a large extent determined by the nature and activity of its phytoplankton community. Because of the lake's central role as a national supply source of good-quality water, the apparent breakdown of previously regular patterns of the annual and seasonal algal development is a cause for concern. Integrated research and monitoring are needed to fully explain the causes of the observed and ongoing changes and to provide guidelines for future management policies aimed at maintaining water quality in Lake Kinneret.
Israel Journal of Plant Sciences – Brill
Published: May 13, 1998
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