TABLE 1.

Percent correct identification of test data for all 34 species (400 test patterns per species), after gradient descent optimization procedure, with an RBF ANN having 68 HLNs with Gaussian kernels positioned by the LVQ algorithm

Species	Width (μm)	Length (μm)	% Correct identification	Notesa
Alexandrium tamarensis	25–30	35–45	98.2	m
Anabaena flos-aquae	4–6	10–1,000	96.0	fc1
Aphanizomenon sp.	4–7	30–600	92.5	fc1
Chlamydomonas sp.	10–20	15–30	84.0	f
Chlorella salina	4–6	4–6	82.2	m
Chlorella vulgaris	4–6	4–6	94.2	f
Chroomonas salina	5–7	9–11	99.2	me
Chrysochromulina camella	5–7	6–8	90.8	m
Cryptomonas baltica	7–9	10–15	98.5	me
Cryptomonas calceiformis	7–9	10–15	99.0	me
Dunaliella tertiolecta	6–8	7–9	94.8	m
Emiliania huxleyii	4–6	4–6	96.8	m
Gymnodinium simplex	6–10	6–10	85.5	m
Gyrodinium aureolum	35–45	35–45	96.2	m
Halosphaera russellii	12–15	15–20	84.2	m
Heterocapsa triquetra	15–27	15–27	92.8	m
Microcystis aeruginosa	4–6	4–7	96.8	fc
Nitschia palea	40–70	40–70	89.0	m
Ochromonas sp.	3–12	3–12	94.8	me
Oscillatoria sp.	1–3	10–500	97.0	fc1
Oscillatoria redeckii	1–3	10–500	97.0	fc1
Phaeocystis globosa	3–4	3–4	88.8	m
Porphyridium pupureum	4–6	4–6	98.2	m
Prymnesium parvum	3–4	3–5	95.8	m
Pseudopedinella sp.	8–10	8–10	68.2	m
Pyramimonas obovata	4–8	4–8	87.2	m
Rhodomonas sp.	5–7	10–12	99.0	me
Scenedesmus quadricauda	10–20	20–30	94.2	f2
Scenedesmus subspicatum	3–4	8–12	87.5	f
Selenastrum capricornutum	2–3	6–8	80.8	f
Skeletonema costatum	4–6	6–8	87.2	m
Staurastrum sp.	30–40	35–50	96.8	f
Tetraselmis rubens	5–7	10–12	71.0	m
Thalassiosira rotula	8–10	8–10	97.2	m

^am, marine species; f, fresh water species; c, containing phycocyanin (cyanobacteria); e, containing phycoerythrin. Colony types: 1, filamentous; 2, coenobium of four cells.