TABLE I. SYNCHROSY IS CCLTLXES OF ~LLRIXE PHTYOPLAXKTON USDER LIGHT/DARK CYCLES
In most caws, synchrony was but partially reached. L = light period ; D = dark period
Diatoms
Biddulphia ntobi1iensi.q (Railcay)
Grunow in Van Hcurck
B . sinensis Grerille
Coeeinodiscu~ gran ii 0 0 ~ g l 1
Ditylum hriglshrellii (\Vest)
Gruiion in Vnn Herirrk
mostly around 4-6 a.m.
L (for various photoperiods)
L (for various photoperids)
end of L
L
D
I.
second half of D and first half of L
about second half of L
no synchrony obtainable in a variety
of conditions
D
cnd of L
amnuid 4-6 a.m.
nfternoon and early evening
Reference
_ _ _ -
Rieth (1939)
Rieth (1939)
Eppley et al. (1967)
2
z
*
yr,
P
-
Paasche (1968)
Ricliman and Rogers (1 9ti9)
Paasche (19ti8)
c -
Palmer et aI. (196-4)
Jergensen (1966)
2
Glooschenko and Curl ( 1968) ;
Glooschenko et al. (1972)
2
7:
z
Eppley et al. (1971)
Eppley et aE. (1968a)
Subrahmanyan (1945)
Eppley el al. (lgi?)
CG
c*