The Scientific World Journal

Research Article

Spatiotemporal Distribution of Harmful Algal Flora in the Tropical Estuarine Complex of Goa, India

Table 1

List of potentially harmful and toxic species ranges of their cell counts during monsoon and nonmonsoon period in Mandovi and Zuari estuaries of Goa.


Name of the estuary	Mandovi		Zuari

Seasons	Monsoon (June 2007–November 2007)	Nonmonsoon (December 2007–May 2008)	Monsoon (June 2008–November 2008)	Monsoon (December 2008–May 2009)

Taxon

Diatom
⁺Biddulphia mobiliensis	1–8	0–6	0–40	0–92
⁺Biddulphia sinensis	6–49	1–246	0–88	0–62
Chaetoceros concavicornis	0-1	0–3	0–273	NP
⁺⁺⁺Chaetoceros curvisetus	26–161	0–2793	0–1256	0–144
Chaetoceros peruvianus	0–6	0–2	NP	NP
Chaetoceros sociale	0–3	NP	NP	NP
⁺Coscinodiscus centralis	116–918	32–103	102–383	86–381
Coscinodiscus concinnus	0–77	NP	NP	NP
Coscinodiscus wailesii	6–1860	9–36	173–1016	51–261
^+,++Cylindrotheca closterium	180–1059	674–2273	88–5326	145–1657
^+,++Ditylum brightwellii	16–294	0–63	374–13014	49–2134
⁺Eucampia zodiacus	0–7	0–2	0–115	0–48
^+,++Leptocylindrus danicus	15–790	3–659	28–7521	30–2356
⁺Leptocylindrus minimus	1–163	0–92	0–2511	0–545
* Pseudo-nitzschia australis	NP	NP	NP	0–475
^++,*Pseudo-nitzschia multiseriata	0–9	0–142	0–2560	0–2112
* Pseudo-nitzschia pungens	0–6	0–11	0–38	NP
* Pseudo-nitzschia pseudodelicatissima	NP	NP	NP	0–5760
^+,*Pseudo-nitzschia seriata	5–70	0–315	0–4080	77–266
⁺Rhizosolenia alata	0–2	0–3	0–42	NP
⁺Rhizosolenia delicatula	3–307	0–176	0–560	NP
Rhizosolenia fragilissima	0–201	NP	NP	NP
^+,++Rhizosolenia setigera	3–1242	6–261	39–10383	101–2604
^+,++Rhizosolenia stolterforthii	0–378	0–4	0–12166	0–115
^+,++Skeletonema costatum	17–3421	19–2347	433–12348	32–13246
Thalassiosira rotula	0–10	NP	NP	NP
⁺Thalassiosira subtilis	NP	NP	0–28	0–5790

Dinoflagellate
* Alexandrium catenella	0-1	NP	0–224	0–288
* Alexandrium tamarense	0–2	NP	NP	0–5104
* Alexandrium ostenfeldii	1–32	0–12	NP	0–54
^++,+++Ceratium furca	31–842	14–122	67–2635	75–213
⁺Ceratium fusus	NP	NP	NP	0–40
* Dinophysis acuta	NP	NP	NP	0–88
* Dinophysis acuminata	0-1	NP	NP	0–130
^+,*Dinophysis caudata	0–48	0–2	0–1108	NP
* Dinophysis fortii	0–10	NP	NP	NP
* Dinophysis miles	NP	NP	NP	0–96
^+,*Dinophysis mitra	0-1	NP	NP	0–112
Gonyaulax polygramma	NP	0–15	NP	NP
^+++,*Gymnodinium breve	0–381	0–2	0–5291	NP
* Gymnodinium mikimotoi	NP	0–2	NP	NP
^++,*Gymnodinium splendens	1–1122	0–2	0–261	0–82
Gyrodinium spirale	0–186	0–6	0–309	0–68
⁺Noctiluca scintillans	0–2	NP	0–128	NP
* Prorocentrum cordatum	1–6	0–10	0–42	NP
* Prorocentrum dentatum	0–2	NP	NP	NP
Prorocentrum gracile	1–132	9–23	0–1646	0–80
⁺Prorocentrum micans	26–399	23–82	36–3091	68–142
^+,*Protoperidinium depressum	2–38	3–14	0–119	0–82
* Protoperidinium brevipes	0–31	NP	0–34	0–156
* Protoperidinium steinii	0–117	NP	0–410	68–549
Scrippsiella trochoidea	2–1212	0–29	0–4260	0–734

Other Algae
Dictyocha fibula	1–45	0–25	0–101	0–143
Distephanus speculum	0–38	0–3	0–859	6–49
* Microcystis aeruginosa	0-1	NP	NP	NP
^+++,*Trichodesmium erythraeum	2–381	1–14	30–272	0–155

: no. of days.
NP: not present.
*Potentially toxic species.
⁺Reported during 1980-1981.
⁺⁺Bloom now.
⁺⁺⁺Bloom during 1980-1981.