61
ABSTRACT.
''
==
=
a
c
bc
><
Key words:
Seasonal variability of phytoplankton community structure in a coastal
station of the Argentine continental shelf based on a chemotaxonomic
approach
*
1
M. Guillermina Ruiz
M. Belén Mattera Coy Macarena Albornoz
Graciela N. Molinari Nora G. Montoya
Marine and
Fishery Sciences
MAFIS
Marine and Fishery Sciences 38 (1): 61-83 (2025)
a
µ
Variabilidad estacional de la estructura de la comunidad toplanctónica en una estación costera de la plataforma continental
argentina basada en un enfoque quimiotaxonómico
RESUMEN.
''
=
==
a
c bc
><
Palabras clave:
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
<µµ
>µ
Mytilus edulis
Alexandrium tamarense/catenel-
la
µ
Marine and Fishery Sciences 38 (1): 61-83 (2025)
A. tamarensecatenella
Gymnodinium catenatum
Dinophysis
Pseu-
do-nitzschia
Sampling at the study site
''
j
Determination of nutrient concentration
++
Determination of the concentration of phyto-
plankton pigments by HPLC
= =
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
cc
a
Prochloroccocus
marinus
a
Emiliania huxleyi
A. tamarense
catenella
cc
c
Chemotaxonomic analysis of the phytoplankton
community (CHEMTAX)
<
=
''
Marine and Fishery Sciences 38 (1): 61-83 (2025)
66
=
=
Construction of PPT matrices and pigment re-
lationships
Synne-
chococcus
E. hux-
leyi Crysochromulina
Primnesium
Pycnococcus provasolii
Hemiselmis
Plagioselmis
A.
tamarensecatenella G. catenatum
Dinophysis acuminataD. caudata
D. tripos
Chaetoceros
didymusRhizosolenia setigera
and Pseudo-nitzschia
Analysis of phytoplankton size structure based
on DPs
Annual cycle of environmental properties
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
Marine and Fishery Sciences 38 (1): 61-83 (2025)
j<
j>
<
>
µ>µ
µ
µ
µ
Phytoplankton pigment diversity
FmicroFnanoFpico
w=w=Σ=wi Pi
w=P=
Pi wi
P1
P2
P3
P4
P5
P6
P7
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
=
==
=
z=
Marine and Fishery Sciences 38 (1): 61-83 (2025)
=
z=
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
a 8.301
5.404
c
b
c
3.236
0.782
c
ββ
0.720
Emiliania
huxleyi
a
a
Chrysocromulina
a
c
a
Marine and Fishery Sciences 38 (1): 61-83 (2025)
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
Phytoplankton community size structure
Annual cycle of phytoplankton pigmentary types
estimated by CHEMTAX
Syne-
chococcus
Marine and Fishery Sciences 38 (1): 61-83 (2025)
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
G. catena-
tum A. tamarensecatenella
Dinophysis
>
Pseudo-nitzschia
Marine and Fishery Sciences 38 (1): 61-83 (2025)
>
<
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
Chaetocelos C. curvisetusCdecip-
iensCdanicusD. tri-
pos
Gym-
nodinium
A. tamaense/
catenella
Synechococ-
cus
Prymnesium
×6
E. huxleyi
<
A. tamarensecatenella G.
catenatum
Dinophysis
G. cate-
natumA. tamarense
catenella
M. edulis
G. catenatum
A. tamarense
catenella
Marine and Fishery Sciences 38 (1): 61-83 (2025)
Karenia brevis
in situ
G. catenatum
G. catenatum
A. tamarensecatenella
A. tamarensecatenella
Azadinium
Azadinium
Gymnodinium
D.
tripos
Dinophysis
D. tripos
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
a
+
Author contributions
Gymnodinium catenatum
Aza-
Marine and Fishery Sciences 38 (1): 61-83 (2025)
dinium spinosum
Azadinium
Myti-
lus edulis
Alexandrium tamarense
Prorocentrum
minimum
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
Di-
nophysis
Alexandrium
Marine and Fishery Sciences 38 (1): 61-83 (2025)
Dinophysi
Alexandrium tamarense/catenella
Ruiz et al.: Seasonal variability of phytoplankton based on CHEMTAX
a
Dinophysis
a
