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Table 5 Number of individuals and long-term trends by taxa in the Sihwa Lake area

From: Influence of land use change on the waterbird community of Sihwa Lake, Republic of Korea

  Mean counts SD Annual change (%) SE Long-term trends (TRIM classification)
Dabbling ducks 6658.4 4558.5 −1.2 0.01 Moderate decline
Diving ducks 5945.7 3985.2 2.7 0.01 Moderate increase
Herons 1058.5 685.2 −0.5 0.01 Moderate decline
Grebes 185.2 87.6 0.0 0.00 No change
Shorebirds 2525.6 1568.3 −7.8 0.03 Steep decline
Gulls 525.3 256.2 −0.1 0.00 No change
Others 56.2 25.6 0.1 0.01 No change
  1. SD standard deviation, SE standard error, TRIM trends and indices for monitoring data