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Table 2 Harbour porpoise sightings in 2002–2004

From: The harbour porpoise (Phocoena phocoena) in the central German Bight: phenology, abundance and distribution in 2002–2004

Date

Altitude (m)

Km on effort

S

I

Calves

07/28/02

152

467

24

35

3

08/16/02

152

288

4

5

1

02/14/03

183

443

32

36

 

05/16/03

76

396

18

18

 

05/26/03

183

402

23

29

1

06/14/03

183

393

6

6

 

06/16/03

76

427

6

9

4

06/22/03

183

337

13

15

1

07/28/03

183

400

10

16

 

07/31/03

76

425

9

10

 

09/04/03

76

377

6

6

1

09/13/03

183

427

18

22

2

09/28/03

76

502

12

13

 

10/16/03

76

400

4

5

 

12/04/03

76

472

3

3

 

01/21/04

76

503

11

12

 

01/21/04

183

321

14

19

 

02/28/04

76

494

18

18

 

03/06/04

183

478

15

15

 

03/25/04

76

428

14

14

 

04/13/04

183

247

5

5

 

04/20/04

76

430

21

23

 

04/26/04

76

504

33

39

 

05/29/04

183

276

7

8

 

06/22/04

76

360

12

14

1

07/16/04

76

504

8

11

3

Sum

 

10,701

346

406

17

  1. Km on effort = valid effort on both sides, S number of sightings, I number of individuals