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ʿ : ˵آͧѭŧ͹С§

ʿ繸ҵطդ繵͡ ͧҡʿǹӤѭ͢ǹҧͧ͡੾ҧ㹪ǧ鹢ͧҧ͡ѡšôҧҧ ѡҤҧѡͧù 㹢ǹҼҭҧ ҡ駨öٴʿʨҡµç ͧҡ觹Ӹҵ·仨ջҳʿʵ ֧§͵ͤͧâͧ

ѧ鹨֧ͧʿá駷駹ͧÿʿ㹡ѧѺҳ

ͧкȹ㹺§ʿѧ繸ҵ÷Ӥѭ͡ԭԺⵢͧŧ͹תøҵԢͧ ¿ʿਹѡ繵ǨӡѴżԵͧŧ͹㹺§ͧҡҳʿਹ㹹ѡй¡һҳŧ͹תͧºѺҵêԴ ҧáŧ͹תҧԴöԭԺз觹ӢҴҵਹջҳʿҡ§ ŧ͹תѧ Թ (Blue-Green Algae)

觷Ңͧʿ㹺§

á觢ͧʿʷӤѭ · 10-20% ͧʿʨж١㹵ǡ 23 ͧҳʿʨж١Թ͵С͹Ź (Sediment)(Boyd, 1994) ͡ҡʿ㹺§ҨҨҡ㹡÷չ ¿࿵ Ҩҡ¹¹СҡԹС͹ ҨԴҡСõŧҡѺӽ ջҳҡ

 ʿͺ辺㹹ӨٻͧûСͺ࿵ (Phosphates)͡ 3

1. ⸿࿵ (Orthophosphates) Ҩ¡աҧҿʿ¹ (Soluble Reactive Phosphorus) ûСͺҹ¹ŧ͹תö͡ԭԺ

2. տ࿵ (Polyphosphates) ûСͺ辺ҡ㹹ӷ駷Ҩҡҹ͹çҹصˡͧҡǹͧҷӤҴᵡ ⸿࿵͡

3. Թ࿵ (Organic Phosphates) ҡǹ÷ҧҾ ÿʿҹ龺 ǹԹѵطѧͧСͺҧժԵ

ŧ͹תդسѵԷӤѭС˹觤 öٴʿ㹻ҳҡҤͧǹԹѧ 㹢зʿաǹ˹觤͹ҧҡж١ٴѺ´Թ͵С͹Ź鹺 ੾кdzǢͧС͹ŹҾաҫ͡ਹ (Aerobic Condition) еС͹Ҿ繡ô ʹС͹ջҳ๵٧ դö㹡ôٴҵؿʿ 駹ҡ㹹ӷջҳͧҡդҾͪ٧ ʿʨеС͹ٻͧ࿵ µç ҡ֡ͧͧҵС͹鹡鹺ʿʷӤѭ (Boyd and Musing, 1981) »ҳͧʿʷҼҹͺءҹҡ

 ʿ㹹դѹµçѺʿʷ㹵С͹ʹԹŹ鹺 ǤͿʿ㹹дԹŹդšѹ ҿʿ㹹Ӷ١ŧ͹֧зʿ㹹Ŵŧ С͹Źл¿ʿѺѡ ʿʷ㹵С͹Ź鹡鹺ͨٻͧûСͺͧ ûСͺͧûСͺͧ »Զҡ鹺зաҫ͡ਹ ûСͺͧʿʵҧ¹ 㴡鹺Դ͡ਹ (Anaerobic Condition) ʿʨӹǹҡж١Ѻ ŧ͹תöԭԺҧǴ

šзԴҡͧʿ

Ҩ§ҹ֧繾µçͧʿʵѵӡ §駷кع¹աǹӡѺͺ§駫§ǹҹ 駺§駷ա§ҧ˹蹡աͧʿ㹻ҳ٧йԭԺҧǴǢͧŧ͹ת ѧࡵҡչ㹺 Ҩ չӵ ᴧ ѺԴͧŧ͹תԴ Ҿͪ㹺§¹ŧҧҡͺѹ ҡèѴ ŧ͹תҹ鹨еҧǴǷ¡ѹ ŧ͹ͻ 觻ҡó ռšзͤسҾµç֧ǡ駴 âҴ͡ਹзѹѹ 鹨ҡ¢ͧŧ͹ Դѭŧ͹˧͡͹Թе㹷ش

͡ҡ㹾鹷§ ҨоѭҡúͧԹ ¡੾оǡëŵ (Microcystis) öԭԺ觹ʹ駻 »Ѩ·ռŪ㹡觡úͧǡëʵ ӷդҧ 0-10 վշ سҧ 28-35 ͧ ӹ դҡ 仡ҹ鹶觹ӹջҳԹ пʿʷ٧ҡáЪ·ëʵʺҡ觢Ш仡ԭԺⵢͧŧ͹ §ҹ 㹺͹觹ӷ⸿࿵§ 0.23 վöԴúͧëʵ (Zohary,1987)

šзԴ鹨ҡ¡Թ ͧҡ¡öҧûСͺա蹤´ԹŹ 觡öٴ͡ҨԹµç ͡աŹй͡ҡѧҧþɷѹµѵҹ Ѻ駡÷ӧҹͧкҷǺ ͹çҵ㹷ش Ѻ駢ǹ͡Һ ѺӤѭҧҡѺкó ҡѺþɹ㹻ҳҡ ҡ÷辺 ͡зǧ

ѧͻͧѹѭҷԴ еͧաäǺлͧѹͧʿҡԹ ¤÷ӡõǨѴеԴҳ࿵㹺§ҧҧ͹ 2 ¤Ǻջҳ⸿࿵Թ 0.2 վлҳ࿵Թ 0.5 վ §˹蹨Թ 㹻ҳ еͧաôٴС͹Ź鹺͡纷Źҧ п࿵еС͹鹺 ٴС͹Ź͡࿵¡ѺâͧԹա



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