heliozoan Zoo flagellated holotrichs peritrichs hypotrichs Euplots, Aspidisca Amoeba Thecamoeba Pleuromonas Bodo, Monosiga

Transcription

1 Figures 7 to 16 : brief phenetic classification of microfauna in activated sludge The considered taxonomic hierarchy is : Kingdom: animal Sub kingdom Branch Class Sub class Order Family Genus Sub kingdom PROTOZOAN METAZOAN Branch Rhizopoda Flagellata Ciliata worms Class, sub class or order Most famous genus in activated sludge microfauna heliozoan amoebiens thecamoebiens Amoeba Thecamoeba Pleuromonas Bodo, Monosiga Zoo flagellated holotrichs peritrichs hypotrichs Paramecium, Trachelophylum Lionotus, Chilodonella Vorticella, Carchesium, Episitylis, Opercularia Euplots, Aspidisca For each organism, are detailed : a sketch and the average size of the organism its phenetic classification the predation, the habitat of the microorganism and the relation with the process management Rotifers, Gastrotrichs Nematodes

2 0.5 to 1 mm F ig u re 7 : Sk e tc h o f a n o r ga n is m b e lo n g in g to th e c la ss o f n e m a to d e s (b r a n c h o f w o r m s ) C r o w n o f c ilia c on s titu te d b y tw o r o ta to r y d is c s. 0.5 to 1 mm M a s ta x (pha r y n x ) C u tic le T e le s c op ic bod y Spu rs F ig u re 8 : Sk e tc h o f a m e ta z oa n o r ga n is m * S ub k in g do m o f m e taz o a, b ra n c h o f w o rm s, c la ss o f r o tifer s, fifte e n kno w n g e nu s * b ac te rio - o r p ro to z ooph a g ou s ; p la nk ton ic o r f ix e d s p ec ie s ; lo w lo a d a nd h ig h s lu d g e a g e : s a tis fy in g trea tm e n t e ffic ie n c y a nd n itrifica tion

3 D o rs a l fiss u r e s C ilia B e lo w v ie w L a te ra l v ie w F ig u re 9 : Sk e tc h o f a p r o to z oa n o r ga n is m * c la ss c ilia te, s ub -c la ss o f h y p o tr ic h s (s e v e n kno w n g e nu s, m a in a re E up lo te s and A s p id is c a ) * b ac te rioph a g ou s ; a d a p te d to th e s u rf a c e o f th e flo c s, m ob ile ; lo w lo a d a nd h ig h s lud g e 30 to 60 µ m

4 P e r is to m e w ith c ilia bod y 30 to 60 µ m M a c r onu c le u s R e tr a c tile p e dun c le 50 to 80 µ m G e nu s V o r tice lla (th e d ia m e te r o f th e p e r is to m is s up e r io r to th e w id e s t d ia m e te r o f th e bod y ) G e nu s E p is ity lis (pa r tition e d and non r e tr a c tile p e dun c le ) F ig u re 10 : Sk e tc h o f a p r o to z oa n o r ga n is m * c la ss o f c ilia te, s ub -c la ss o f p er itic h s (s ix kno w n g e nu s ) * b ac te rioph a g ou s (f ree b ac te ria ), fix e d a t th e s u rface o f th e flo c, lo w lo a d, w e ll a ae ra te d m e d iu m

5 C ilia N u c le u s A p ic a l cy to s to m 30 to 50 µ m F ig u re 11 : Sk e tc h o f a p r o to z oa n o r ga n is m p e rm a n e n t in mi c ro fa un a o f ac tiv a te d s lu d g e * c la ss o f c ilia te, s ub -c la ss o f h o lo tr ic h s, g e nu s T r a c h e loph y lu m * a d a p te d to th e s u rfa ce o f th e flo c bu t no fix e d a nd fr ee s w imi n g, b a c te rio - a nd p ro to z ooph a g ou s ; h igh c on ce n tra tion o f o x y g e n, m od e ra te o r h ig h lo a d. C y topha r y n x (o r cy to s to m e ) C ilia M a c r o e t m ic r on u c le u s 50 to 100 µ m F ig u re 12 : Sk e tc h o f a p r o to z oa n o r ga n is m : P a r a m ec iu m * c la ss o f c ilia te, s ub -c la ss o f h o lo tr ic h s * b ac te rioph a g ou s ; s w im e r ; n ee d a lo t o f o x y g e n, lo w lo a d.

6 T h e qua c on s titu te d o f s ilice ou s pa r tic le s 30 to 40 µ m F ig u re 13 : Sk e tc h o f a p r o to z oa n o r ga n is m * b ra n c h o f R h iz opod a, c la ss o f T h a ec a m o e b a, g e nu s E ug ly pha * liv in g on flo c s, no fix e d, no s w im e r, b a c te rio p h a g ou s (s o m e c on s u m e fila m e n tou s b ac te ria ) ; s ta b le s lud g e, lo w c h a rg e. P s e udopoda F ig u re 14 : Sk e tc h o f a p r o to z oa n o r ga n is m : A m o e b a * b ra n c h o f R h iz opod a, c la ss o f a m o e b a * b ac te rio - ou p ro to z ooph a g ou s ; liv e on th e s u rf a c e o f f lo c s ; fe w in d ica tion a bou t its re la tion w ith th e qu a lity o f th e tre a tm e n t 40 to 70 µ m

7 50 to 70 µ m A x o s ty la (p s e udopoda n ee d le )) lik e F ig u re 15 : Sk e tc h o f a p r o to z oa n o r ga n is m : H e lio z oa * b ra n c h o f R h iz opod a * b ac te rioph a g ou s ; ra re in s lud g e, p la n k ton ic ; lo w lo a d a nd h ig h s lu d g e.

8 F lag e lla C on tr a c tile v a c uo le C y top la s m ic m e m b r an e 10 to 20 µ m N u c le u s D ig e s tion v a c uo le F ig u re 16 : Sk e tc h o f a p r o to z oa n o r ga n is m : * b ra n c h o f fla g e lla, c la ss o f z oo flag e lla te s * s w imm e r, c on s u m e s o rg a n ic m a tte rs a nd b ac te ria ; v e ry y ou n g s lu d g e, o r a d a p te d to IWW c on ta in in g p h e no l