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Table 1 The designed survey blocks and line lengths for the study site in the north Aegean Sea

From: Harbour porpoises in the Aegean Sea, Eastern Mediterranean: the species’ presence is confirmed

Block/survey

Area (km2)

Designed line length (km)

Low resolution survey area

16,409

2,176

Block 1

1,693

332

Block 2

595

175

Block 3

712

141

Block 4

500

116

Block 5a

1,151

239 + 240

Block 6

890

72

Block 7

695

139

  1. ahad reciprocal tracks