i~ntl rc~j)li~llislr i ~ t
night, so t,l,i~t one. n1:t.y wonder if the medium becomes
offti:ct,ivc~ly i~)~l)ovc~rishrct or exlxtustc.cl its the day proceeds. BioI I I I I I ~ I ~ ( ~ H ( ~ ( ~ I I ( ~ ( ~ ,
wl~icll is l i l r l i t , c v l in t IIC world of pllytoplunkton to marine
dinoflicgcblItltc~~, 0frc.m olio 01' thcl niol.cb reguiur exi~mplcs of circadian
rhytl~n~s.
Ot,llnr " nlinor " ~~ropsrt,ic~s arc litlown to he cyclictit as well, and
work i l l tllc: ficld of itlgal physiology suggests that it should be so for
ttny aspect of plrgt,oplanktorl biology. l'he circadian cycle appears to
be ; ~ s
evc*ntjf'ul ;~ncl dri~mntic i ~ s
the itnnual one (which has received more
i\tt,cnt,ioll t't.otn oc:ctxnog~-:~ph~.r.s) ; the former periodicity can be viewed,
t,o sonw cxx tcnt , ;LH : L rcduccd motlet of tile l:btt,er and this should, at
Icast,, stinl~rlntr r.(.sei~rch on the 24-ho11r tinbe ~ca;le.
15ntloggcnous i~ntl exogenous components, tis presently recognized,
are ~netitiot~(vI in each cuss. Interrelationships between phytoplankton
rhythms on the one himd and physicochemical factors and zooplankton
on the other. tlmd are also considered.
I)r Trevor t'latt lrindly assumed the tedious task of correcting the
msnccscript for s variety of idiomatic slips ; in addition, he offered many
suggc\.st,ions and comments. Sincere thanks are also expressed to Dr
'I'hi.~+sc Vanden I)ri~ssc110, I)r Itichttrd U'. Eppley and Professor
Hei~t~ric*cl M. Sweently for vi~luiible criticisms.
A t r t l ~ , li. I,., Voc~rrctot~, ( + . tC. tu~tl I ~ I I ~ ( ~ I ' .
11. (1!170). 13iol~~n1trt~sr0ncr. l n " Photob~ology of Mlrlsoi~l-#a~rixrl~~ '' (1'. kLull(lul, ed.), pp. 417- 446. Wlley-lrttcraric*ttc~c~, 1,011dot1. NCM York, S j f c i t t t ~ ,
'rorl)nt0.
t
i
. I . I . ( I !
Depc-t~cl~~t~c~o on Irgltt saturation of two mass specie8
of ~tttlotlcigt.lI~tc.8 oft n IIIILI~I)(T of ftic~to~*s [l(ussinn]. Okeanologija, 6 (6)
861 868.
A kt I I ~ I I ~ L ,
1). K . ( l!)(i7). Sb(Ittrtt*t~lc~ttm ('t p11ototnct1xtrt(? de deux L)inoflage116s
ti clA\,c~loppc~trtc.,It rt~rlssif; or1 1.1-lc1t.iort r1vt.c: I~>III. tlotivitd pltoto~yrith6tiquu
( ICr~ssirtn]. Not xc1c>tl ; rc?vics\~c.tl 1)). V. - H . Skolka. in Ilnp~~fflt& et f'rocb414erhorr.1, den Ir'dPrtt~iort~x, C!oml~t~,vNio)r ,ir~,ternaticmulc pour I'BzpIvratclion mientifiqttede In iller Alhl~iter~nnCe. 21 ( 8 ) . 1). 406 (1973).
i i t t 1 . 1 . ( I 6 ) . Itc.l~~tivc~ volocit,y of sottlirrg of Dinoflagellata a s dcperrt1o11t 011 t,l1cair divisiort ratcxa I i<~~ssi&rt]. Okeunalogija, 9 (2), 301-305.
2 e x ~ ~ ~ r .
I . I . I
o o a 1 . I ( ! i ) 1)int~rit~utiorr of cl~lorophyll in the
Stra~its of' I4'loritJn. Jl.i1t17101011!/ (171(1 Or:ea?toqrapj~.!/, 8 (2). 294 297.
I
, . K. ( I ! Sorrrcx titl($-r\,rttc~r c.oll(~ctior~x of mtirintr cliutornn taken I L ~
~ l f - 1 1 o
i t ~ t r
I
I
T i . i
r
~
in. r/niverHily of Calif(wniri,
I'tr6licc1,tiortx i n doolo!/y, 22 (g), 41 3 4 lfi.
Allman, G . (1872). Notes on Aroclilzcca. Quarterly Journal of Microscopical
rScie7tce. 12, 326- 332, pl. 18.
night, so t,l,i~t one. n1:t.y wonder if the medium becomes
offti:ct,ivc~ly i~)~l)ovc~rishrct or exlxtustc.cl its the day proceeds. BioI I I I I I ~ I ~ ( ~ H ( ~ ( ~ I I ( ~ ( ~ ,
wl~icll is l i l r l i t , c v l in t IIC world of pllytoplunkton to marine
dinoflicgcblItltc~~, 0frc.m olio 01' thcl niol.cb reguiur exi~mplcs of circadian
rhytl~n~s.
Ot,llnr " nlinor " ~~ropsrt,ic~s arc litlown to he cyclictit as well, and
work i l l tllc: ficld of itlgal physiology suggests that it should be so for
ttny aspect of plrgt,oplanktorl biology. l'he circadian cycle appears to
be ; ~ s
evc*ntjf'ul ;~ncl dri~mntic i ~ s
the itnnual one (which has received more
i\tt,cnt,ioll t't.otn oc:ctxnog~-:~ph~.r.s) ; the former periodicity can be viewed,
t,o sonw cxx tcnt , ;LH : L rcduccd motlet of tile l:btt,er and this should, at
Icast,, stinl~rlntr r.(.sei~rch on the 24-ho11r tinbe ~ca;le.
15ntloggcnous i~ntl exogenous components, tis presently recognized,
are ~netitiot~(vI in each cuss. Interrelationships between phytoplankton
rhythms on the one himd and physicochemical factors and zooplankton
on the other. tlmd are also considered.
I)r Trevor t'latt lrindly assumed the tedious task of correcting the
msnccscript for s variety of idiomatic slips ; in addition, he offered many
suggc\.st,ions and comments. Sincere thanks are also expressed to Dr
'I'hi.~+sc Vanden I)ri~ssc110, I)r Itichttrd U'. Eppley and Professor
Hei~t~ric*cl M. Sweently for vi~luiible criticisms.
A t r t l ~ , li. I,., Voc~rrctot~, ( + . tC. tu~tl I ~ I I ~ ( ~ I ' .
11. (1!170). 13iol~~n1trt~sr0ncr. l n " Photob~ology of Mlrlsoi~l-#a~rixrl~~ '' (1'. kLull(lul, ed.), pp. 417- 446. Wlley-lrttcraric*ttc~c~, 1,011dot1. NCM York, S j f c i t t t ~ ,
'rorl)nt0.
t
i
. I . I . ( I !
Depc-t~cl~~t~c~o on Irgltt saturation of two mass specie8
of ~tttlotlcigt.lI~tc.8 oft n IIIILI~I)(T of ftic~to~*s [l(ussinn]. Okeanologija, 6 (6)
861 868.
A kt I I ~ I I ~ L ,
1). K . ( l!)(i7). Sb(Ittrtt*t~lc~ttm ('t p11ototnct1xtrt(? de deux L)inoflage116s
ti clA\,c~loppc~trtc.,It rt~rlssif; or1 1.1-lc1t.iort r1vt.c: I~>III. tlotivitd pltoto~yrith6tiquu
( ICr~ssirtn]. Not xc1c>tl ; rc?vics\~c.tl 1)). V. - H . Skolka. in Ilnp~~fflt& et f'rocb414erhorr.1, den Ir'dPrtt~iort~x, C!oml~t~,vNio)r ,ir~,ternaticmulc pour I'BzpIvratclion mientifiqttede In iller Alhl~iter~nnCe. 21 ( 8 ) . 1). 406 (1973).
i i t t 1 . 1 . ( I 6 ) . Itc.l~~tivc~ volocit,y of sottlirrg of Dinoflagellata a s dcperrt1o11t 011 t,l1cair divisiort ratcxa I i<~~ssi&rt]. Okeunalogija, 9 (2), 301-305.
2 e x ~ ~ ~ r .
I . I . I
o o a 1 . I ( ! i ) 1)int~rit~utiorr of cl~lorophyll in the
Stra~its of' I4'loritJn. Jl.i1t17101011!/ (171(1 Or:ea?toqrapj~.!/, 8 (2). 294 297.
I
, . K. ( I ! Sorrrcx titl($-r\,rttc~r c.oll(~ctior~x of mtirintr cliutornn taken I L ~
~ l f - 1 1 o
i t ~ t r
I
I
T i . i
r
~
in. r/niverHily of Calif(wniri,
I'tr6licc1,tiortx i n doolo!/y, 22 (g), 41 3 4 lfi.
Allman, G . (1872). Notes on Aroclilzcca. Quarterly Journal of Microscopical
rScie7tce. 12, 326- 332, pl. 18.