Table 1.

Quality/quantity of DNA isolated from the short (SC) and long (LC) cores from Norwegian fjords and PCR products of the sequences specific to cyanobacteria and microcystin/nodularin (+ positive result; - negative result; * lyophilized sediments).

Sample	Sediment Layer [cm]	DNA [ng/µL]	A260/280	16S rDNA	cpcBA-IGS	mcyE/ndaF
N. spumigena CCNP1401				+	+	+
N. spumigena CCY9414				+	+	+
Oslofjorden SC	0–1	242	1.2	+	-	-
	1–5	139	1.3	+	-	-
	5–10	140	1.3	+	-	-
	10–15	210	1.3	-	-	-
	15–20	100	1.3	+	-	-
Oslofjorden LC	32–34	72	1.2	+	+	-
	34–36	118	1.4	+	+	+
	42–44	75	1.2	+	-	+
	68–70	44	1.3	-	+	-
	84–86	70	1.2	+	+	+
	88–90	71	1.2	+	+	-
	114–116	85	1.1	+	+	+
	126–128	91	1.2	+	+	+
	128–130	96	1.2	-	+	+
	146–148	140	1.1	-	-	+
	148–150	132	1.2	+	+	+
	178–180	62	1.3	+	+	+
	180–182	105	1.2	+	+	-
	224–226	86	1.2	+	-	-
	232–234	40	1.1	+	+	+
	260–262	19	1.4	+	+	-
	262–264	50	1.2	+	-	+
	314–316	47	1.2	+	+	-
	334–336	46	1.2	+	+	-
	336–338	31	1.2	+	+	-
	338–340	40	1.3	+	+	+
	362–364	31	1.3	+	-	+
	364–366	38	1.8	+	-	-
Balsfjorden LC *	152–154	64	1.2	+	-	-
	220–222	45	1.2	+	-	-
	230–232	177	1.2	+	-	-
Trondheimsfjorden LC *	92–94	65	1.0	+	+	-
	134–136	-	-	-	-	-