Biological Monitoring in Water Pollution by John Cairns

By John Cairns

Booklet by way of Cairns, John

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Biological Monitoring in Water Pollution

Ebook by way of Cairns, John

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M o n h e i m e r c r o b i a l c o m m u n i t y in t h e t r e a m e n t u n i t . (1974, 1 9 7 5 ) u s e d sulfate u p t a k e ( a s s i m i l a t o r y sulfate r e d u c ­ T w o such functionally based systems are " B i o M o - tion) to calculate b o t h p h o t o s y n t h e t i c a n d h e t e r o t r o ­ n i t o r " ( C l a r k e et ai, phic microbial et ai, growth. Sulfate uptake experiments 1976; Solyom, 1 9 7 7 ) and "Toxiguard" (Solyom 1977). Both systems measure partially avoid c a r b o n substrate p r o b l e m s since most B O D in m o d e l a c t i v a t e d s l u d g e u n i t s r e c e i v i n g m i c r o b i a l o r g a n i s m s will t a k e u p sulfate a t a fairly s a m e effluent constant B O D b e l o w a p r e d e t e r m i n e d limit signal t h e rate with little luxury uptake (Rodgers, as the treatment plant.

16(3), 421-427. C a i r n s J. J r . , T h o m p s o n K. W . & H e n d r i c k s A . C . (1981a) Effects of Fluctuating Sublethal Applications of Heavy Metal Solutions upon the Gill Ventilatory Response of Bluegills (Lepomis macrochirus). National Technical I n f o r m a t i o n Service, Springfield, Va. PB81-150 997, 90 p p . Cairns J. J r . , T h o m p s o n K. W . & H e n d r i c k s A . C . (1981b) Effects of fluctuating, sublethal applications of heavy metals u p o n the gill ventilatory response of bluegills (Lepomis macrochirus).

U p t a k e (Bott, [^"^Clglucose, and other c o m m o n flow-through way photosynthesis (Hynes, 1 9 6 9 ) so that even net oxygen substrates are added to s a m p l e s , a n d t h e r a t e of u p t a k e is u s e d t o indicate and chlorine in microcosm microbial Bacterial growth rates have also been com­ measured h e t e r o t r o p h i c a c t i v i t y . T h i s t e c h n i q u e is p r o b a b l y b e s t u s i n g a v a r i e t y of lesser k n o w n t e s t s s u c h a s a u t o r a d i ­ used o g r a p h y a n d i n c o r p o r a t i o n of t r i t i a t e d t h y m i d i n e i n t o to demonstrate the presence or absence of o r g a n i s m s a d a p t e d t o m e t a b o l i z i n g t h e c o m p o u n d in replicating D N A (Bott, question and may not represent actual t e r m i n e t h e effects of a n eflfluent o n c e r t a i n b i o g e o c h e - community 1973).

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