Table 1. Sound duration and peak frequency.

	Duration (s)					Frequency (Hz)
Sound category	Samples	Mean	SE	Min	Max	Samples	Mean peak	SE peak	Max peak	Mean IQR-BW	SE IQR-BW
Biophony
FRT	135	3.03	0.34	0.16	31.53	125	1717	102	4969	586	46
Other air movement	1636	0.19	0.01	0.02	13.29	1506	1742	28	10359	607	14
Other fish	1807	0.32	0.03	0.01	32.90	1612	726	9	2625	303	5
Insect-like	631	2.21	0.10	0.02	29.62	238	2820	121	12188	776	94
Bird	57	2.29	0.39	0.11	16.02	54	2912	195	4781	752	79
Surface	197	0.84	0.04	0.06	4.60	188	906	35	3797	414	23
Other biological	362	0.20	0.04	0.01	13.05	325	1811	87	11438	933	56
Subtotal	4825					4048
Anthropophony
Airplane	11	27.58	3.66	14.76	51.18	9	307	130	984	120	24
Fishing	74	2.51	0.57	0.16	32.20	67	1483	230	8344	1133	244
Running boat	57	174.64	18.73	15.37	733.44	45	875	126	4266	1094	333
Idle boat	14	276.66	68.96	14.19	788.62	11	435	162	1406	464	138
Other boat	127	6.97	1.30	0.06	100.62	75	1159	90	3609	523	53
Traffic	1237	7.90	0.26	0.05	132.00	1070	225	19	4594	151	6
Train	22	44.53	29.81	0.06	654.99	5	459	103	563	84	50
Other noise	81	15.70	2.58	0.01	182.91	63	847	99	2906	373	48
Subtotal	1623					1345
Unclassified
Gurgle	313	1.24	0.11	0.09	18.13	296	1108	20	3797	229	10
Bubble-like	105	2.39	0.24	0.06	17.44	88	948	29	2109	222	21
Unknown	416	1.02	0.10	0.01	18.24	334	1616	69	10172	580	44
Subtotal	834					718
Ambient						159	297	34	1875	481	84
Total	7282					6270

Summary statistics for sounds pooled over all samples within sound categories. SE = Standard error of the mean, Min = minimum value, Max = maximum value, peak = frequency of greatest energy, IQR-BW = interquartile bandwidth.