1 Klein D H. Fluxes, residence times, and sources of some elements to Lake Michigan. Water Air Soil Poll, 1975, 4: 3-8？？
[2]
3 Budd K, Casey J R, MacArthur J D. Arsenite toxicity and arsenite tolerance in the cyanobacterium Synechococcus leopoliensis. Can J Bot,1986, 64: 2433-2440？？
[3]
4 Levy J L, Stauber J L, Adams M S, et al. Toxicity, biotransformation, and mode of action of arsenic in two freshwater microalgae (Chlorellasp. and Monoraphidium arcuatum). Environ Toxicol Chem, 2005, 24: 2630-2639？？
[4]
7 Planas D, Healey F P. Effects of arsenate on growth and phosphorus metabolism of phytoplanton. J Phycol, 1978, 14: 337-341？？
[5]
8 Knauer K, Behra R, Hemond H. Toxicity of inorganic and methylated arsenic to algal communities from lakes along an arsenic contaminationgradient. Aquat Toxicol, 1999, 46: 221-230？？
[6]
9 Bottino N R, Newman R D, Cox E R, et al. The effects of arsenate and arsenite on the growth and morphology of the marine unicellularalgae Tetraselmis chui (Chlorophyta) and Hymenomonas carterae (Chrysophyta). J Exp Mar Biol Ecol, 1978, 33: 153-168？？
[7]
10 Sanders J G. Effects of arsenic speciation and phosphate concentration on arsenic inhibition of Skeletonema costatum (Bacillariophyceae).J Phycol, 1979, 15: 424-428
[8]
13 Dawson R M. The toxicology of microcystins. Toxicon, 1998, 36: 953-962？？
[9]
15 MacKinney G. Absorption of light by chlorophyll solutions. J Biol Chem, 1941, 140: 315-322
[10]
16 Johnson D L. Simultaneous determination of arsenate and phosphate in natural waters. Environ Sci Technol, 1971, 5: 411-414？？
[11]
17 Ramanan S, Tang J, Velayudhan A. Isolation and preparative purification of microcystin variants. J Chromatogr A, 2000, 833: 103-112
[12]
18 Cullen W R, Harrison L G, Li H, et al. Bioaccumulation and excretion of arsenic compounds by a marine unicellular alga, Polyphysa peniculus.Appl Organomet Chem, 1994, 8: 313-324？？
[13]
19 McSheehy S, Szpunar J. Speciation of arsenic in edible algae by bi-dimensional size-exclusion anion exchange HPLC with dual ICP-MSand electrospray MS/MS detection. J Anal At Spectrom, 2000, 15: 79-87？？
[14]
21 Creed I F, Havas M, Trick C G. Effects of arsenate on growth of nitrogen- and phosphorus-limited Chlorella Vulgaris (Chlorophyceae)isolates. J Phycol, 1990, 26: 641-650？？
[15]
22 Walker-Caprioglio H M, Rodriguez R J, Parks L W. Recovery of Saccharomyces cerevisiae from ethanol-induced growth inhibition. ApplEnviron Microbiol, 1985, 50: 685-689
[16]
23 Huckauf J, Nomura C, Forchhammer K, et al. Stress responses of Synechocystis sp. strain PCC 6803 mutants impaired in genes encodingputative alternative sigma factors. Microbiology, 2000, 146: 2877-2889
[17]
24 Lewis S, Donkin M E, Depledge M H. Hsp70 expression in Enteromorpha intestinalis (Chlorophyta) exposed to environmental stressors.Aquat Toxicol, 2001, 51: 277-291？？
[18]
30 Takahashi A, Kawakami H, Bada A, et al. Effects of phosphate on arsenate inhibition in a marine cyanobacterium, Phormidium sp. ApplOrganomet Chem, 2004, 4: 269-279
[19]
32 López-Maury L, Florencio F J, Reyes J C. Arsenic sensing and resistance system in the cyanobacterium Synechocystis sp. strain PCC 6803. JBacteriol, 2003, 185: 5363-5371
[20]
36 Shi L, Carmichael W W, Miller I. Immuno-gold localization of hepatotoxins in cyanobacterial cells. Arch Microbiol, 1995, 163: 7-15？？
[21]
37 Rosen B P. Biochemistry of arsenic detoxification. FEBS Lett, 2002, 529: 86-92？？
[22]
38 Stebbing A R D. Hormesis: The stimulation of growth by low levels of inhibitors. Sci Total Environ, 1982, 22: 213-234？？
[23]
2 Smedley P L, Kinniburgh D G. A review of the source, behavior and distribution of arsenic in natural waters. Appl Geochem, 2002, 17:517-568？？
[24]
5 Pawlik-Skowronska B, Pirszel J, Kalinowska R, et al. Arsenic availability, toxicity and direct role of GSH and phytochelatins in As detoxificationin the green alga Stichococcus bacillaris. Aquat Toxicol, 2004, 70: 201-212？？
[25]
6 W？ngberg S-A, Blanck H. Arsenate sensitivity in marine periphyton communities established under various nutrient regimes. J Exp MarBiol Ecol, 1990, 139: 119-134？？
[26]
11 Hellweger F L, Farley K J, Lall U, et al. Greedy algae reduce arsenate. Limnol Oceanogr, 2003, 48: 2275-2288
[27]
12 Li H, Hou G, Dakui F, et al. Prediction and elucidation of the population dynamics of Microcystis spp. in Lake Dianchi (China) by meansof artificial neural networks. Ecol Inform, 2007, 2: 184-192？？
[28]
14 Wu Z X, Gan N Q, Song L R. Genetic diversity: Geographical distribution and toxin profiles of Microcystis strains (Cyanobacteria) inChina. J Integr Plant Biol, 2007, 49: 262-269？？
[29]
20 Silver S, Budd K, Leahy K M, et al. Inducible plasmid-determined resistance to arsenate, arsenite and antimony(III) in Escherichia coliand Staphylococcus aureus. J Bacteriol, 1981, 146: 983-996
[30]
25 Razoa L M D, Quintanilla-Vegaa B, Brambila-Colombresb E, et al. Stress proteins induced by arsenic. Toxicol Appl Pharm, 2001, 177:132-148？？
[31]
26 W？ngberg S-A, Blanck H. Arsenate sensitivity in marine periphyton communities established under various nutrient regimes. J Exp MarBiol Ecol, 1990, 139: 119-134？？
[32]
27 Bennett R L, Malamy M H. Arsenate resistant mutants of Escherichia coli and phosphate transport. Biochem Biophys Res Commun, 1970,40: 496-503？？
[33]
28 Takahashi A, Kawakami H, Iwakiri K, et al. Some characteristics of arsenate transport in a marine cyanobacterium, Synechococcus sp.Appl Organomet Chem, 2001, 15: 291-298？？
[34]
29 Matsuto S, Kasuga H, Okumoto H, et al. Accumulation of arsenic in blue-green alga, Phormidium sp. Comp Biochem Physiol C, 1984, 78:377-382？？
[35]
31 Li R, Haile J D, Kennelly P J. An arsenate reductase from Synechocystis sp. strain PCC 6803 exhibits a novel combination of catalyticcharacteristics. J Bacteriol, 2003, 185: 6780-6789
[36]
33 Sivonen K, Jones G. Cyanobacterial toxins. In: Chorus I, Bartram J, eds. Toxic Cyanobacteria in Water: A Guide to Their Public HealthConsequences, Monitoring and Management. London: World Health Organization, Routledge E & FN Spon. 1999. 73-82
[37]
34 Acero J L, Rodriguez E, Meriluoto J. Kinetics of reactions between chlorine and the cyanobacterial toxins microcystins. Water Res, 2005,39: 1628-1638？？
[38]
35 Chen W, Song L, Gan N, et al. Sorption, degradation and mobility of microcystins in Chinese agriculture soils: Risk assessment forgroundwater protection. Environ Pollut, 2006, 144: 752-758？？
[39]
39 Calabrese E J, Baldwin L A. A quantitatively based methodology for the evaluation of hormesis. Hum Ecol Risk Assess, 1997, 3: 545-554？？
