Table 1 Average (Ka) and maximum (Km) relative growth rates (means ± SD, n = 3) of U. prolifera during the 13-day incubations with different N substrates.

From: Growth responses of Ulva prolifera to inorganic and organic nutrients: Implications for macroalgal blooms in the southern Yellow Sea, China

N treatments

Ka (% d−1)

Km (% d−1)

Control

−0.7 ± 0.04

1.7 ± 0.02

NO3−

2.8 ± 0.03

7.6 ± 0.14

NH4+

4.0 ± 0.11

8.1 ± 0.31

Urea

7.0 ± 0.13

11.1 ± 0.10

Glycine

4.0 ± 0.10

9.7 ± 0.03

  1. The values of K used to determine Ka and Km for each nutrient treatment and the control were computed for each of the three incubations.
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