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Table 2 Infestation areas for epiphytic organisms in kelp

From: A survey of epiphytic organisms in cultured kelp Saccharina japonica in Korea

Place Farm Date Water temperature (°C) Mean thalli length (cm) Mean infection area of epiphytic organisms % (epiphytic area/total area)
Hydroid Bryozoan Polychaete Algae Caprellida Oyster
Wando WDA Apr 2014 11.5 340 (200–380) 0 0 0 0 0 0
May 2014 15.5 260 (260–270) 0 0 0 0 0 0
Jun 2014 17.4 NT 10 (5–20) 0 0 0 2 (1–5) 0
Jul 2014 21.7 190 (100–240) 85 (70–100) 4 (0.8–7.9) 0 30 (20–50) 0 0
Aug 2014 23 200 (100–240) 81 (60–95) 0.3 (0.2–0.6) 0 20 (10–35) 8 (3–17) 0
Sep 2014 22.1 120 (90–160) NT 17 (0.2–48.7) 0 0 0 2.35 (0.4–4.3)
Jan 2015 9 41 (20–71) 0 0 0 0 0 0
Jan 2015 8.3 82 (39–122) 0 0 0 0 0 0
Apr 2015 11 236 (200–280) 0 0 0 0 0 0
WDB May 2014 15.4 220 (100–330) 0 0 0 0 0 0
Jun 2014 21 260 (180–320) 10 (5–25) 0 0 5 (3–6) 0 0
Jul 2014 21.5 160 (130–200) 41.8 (10–80) 0 3 (1–5) 0 2 (1–5) 0
Sep 2014 21.6 130 (60–230) 55 (20–90) 0.13 (0.06–0.5) 0 0 0 0
Feb 2015 9 57 (30–100) 0 0 0 0 0 0
Mar 2015 11 97 (50–180) 0 0 0 0 0 0
Apr 2015 12.5 127 (90–190) 0 0 0 0 0 0
Busan BS Apr 2014 11 170 (50–270) 0 0.04 (0.04) 0 0 0 0
May 2014 14.5 230 (130–280) 14.4 (5–30) 7.3 (1.8–14.1) 0 0 0 0
Jun 2014 21 220 (180–300) 34 (10–60) 2.8 (0.03–11.6) 0 34.1 (5–70) 0 0
Jul 2014 20.4 160 (120–180) 37 (20–60) 37.9 (1.1–86) 0 0 3 (1–5) 0
Feb 2015 11.5 76 (26–175) 0 0 0 0 0 0
Feb 2015 12 143 (80–219) 0 0 0 0 0 0
Mar 2015 12.5 182 (110–260) 0 0 0 0 0 0
Apr 2015 13 203 (120–270) 0 0 0 0 0 0
Pohang PH Jul 2014 20.5 140 (50–220) 3.3 (3–5) 0.5 (0.5) 9.5 (3–20) 0 0 0
Aug 2014 23.4 110 (80–150) 5.3 (1–10) 1.2 (0.2–3.6) 50 (40–60) 0 0 0
Sep 2014 23.1 70 (30–110) 3 (2–4) 0 90 (80–95) 0 0 0
  1. NT not tested
  2. aMean number of caprellid