The harbour porpoise (Phocoena phocoena) in the central German Bight: Phenology, abundance and distribution in 2002-2004

Helgoland Marine Research

Volumn 61, Issue 4, 2007, Pages 283-289

  Thomsen, Frank ^a,b   Laczny, Martin ^a   Piper, Werner ^a  

^a Biologisch landschaftsökologische Arbeitsgemeinschaft ^*  (Germany)

^b CENTRE FOR ENVIRONMENT   (United Kingdom)

Author keywords

Central German Bight; Harbour porpoise

Indexed keywords

ABUNDANCE; PHENOLOGY; POPULATION DENSITY; POPULATION DISTRIBUTION; PORPOISE;

ATLANTIC OCEAN; GERMAN BIGHT; NORTH SEA;

PHOCOENA PHOCOENA; PHOCOENIDAE;

EID: 36549086616     PISSN: 1438387X     EISSN: 14383888     Source Type: Journal    
DOI: 10.1007/s10152-007-0075-6     Document Type: Article

References (25)

1. Borchers DL (2003) Estimation with incomplete detection at distance zero "g(0) < 1". In: International workshops. Advanced techniques and recent developments in distance sampling. Centre for Research into Ecological and Environmental Modelling, St Andrews, pp 102-129
2. Buckland ST, Anderson DR, Burnham KP, Laake JL, Borchers DL, Thomas L (2001) Introduction to distance sampling. Oxford University Press, Oxford
3. Camphuysen CJ (1994) The harbour porpoise Phocoena phocoena in the southern North Sea: A come-back in Dutch coastal waters? Lutra 37:54-61
4. Camphuysen CJ (2004) The return of the harbour porpoise (Phocoena phocoena) in Dutch coastal waters. Lutra 47:113-122
5. Grünkorn TA, Diederichs A, Nehls G (2005) Aerial surveys in the German Bight--estimating g(0) for harbour porpoises (Phocoena phocoena) by employing independent double counts. In: Thomsen F, Ugarte F, Evans PGH (eds) Estimation of g(0) in line-transect surveys of cetaceans. European Cetacean Society Newsletter No. 44--special issue, pp 25-34
6. Haelters J, Kiska, JJ, Jauniaux, T, Tavernier, J (2004) The harbour porpoise in the southern North Sea a come-back in northern French and Belgian waters? In: Abstracts of the 18 th annual conference of the European Cetacean Society (ECS), p 67, Kolmarden, 28-31 March 2004
7. Hammond (2006) Small cetaceans in the European Atlantic and North Sea: estimates of abundance. Presentation at the SCANS II conference 2006 (http://biology.st-andrews.ac.uk/scans2/conference.htm)
8. Hammond PS, Berggren P, Benke H, Borchers DL, Collet A, Heide-Jørgensen MP, Heimlich S, Hiby AR, Leopold MF, Øien N (2002) Abundance of the harbour porpoise and other cetaceans in the North Sea and adjacent waters. J Appl Ecol 41:1129-1139
9. Hiby AR, Lovell P (1998) Using aircraft in tandem formation to estimate abundance of harbour porpoises. Biometrics 54:1280-1289
10. Madsen PT, Wahlberg M, Tougaard J, Lucke K, Tyack P. (2006) Wind turbine underwater noise and marine mammals: Implications of current knowledge and data needs. Mar Ecol Prog Ser 309:279-295
11. Perrin WF, Wuersig B, Thewissen JGM (2002) Encyclopedia of marine mammals. Academic Press, San Diego
12. Piper W, Brock V, Laczny M, Thomsen F (2004) A study on the winter distribution and abundance of harbour porpoises (Phocoena phocoena) in the German Bight using aerial and shipboard surveys. In: Abstracts of the 18 th Annual Conference of the European Cetacean Society (ECS), p 74, Kolmarden, 28-31 March 2004
13. Scheidat M, Gilles A, Siebert U (2004a) Erfassung der Dichte und Verteilungsmuster von Schweinswalen (Phocoena phocoena) in der deutschen Nord- und Ostsee-Teilprojekt 3. In: Endbericht Marine Warmblüter in Nord- und Ostsee-Grundlagen zur Bewertung von Windkraftanlagen im Offshore-Bereich. Bundesministerium für Umwelt, Naturschutz und Reaktorsicherheit (FKZ 0327520)
14. Scheidat M, Kock KH, Siebert U (2004b) Summer distribution of harbour porpoise (Phocoena phocoena) in the German North Sea and Baltic Sea. J Cetacean Res Manag 6:251-257
15. Scheidat M, Siebert U, Gilles A, Lehnert K, Risch D, Kaschner K, Westerberg U (2006) TP2-Erfassung der Dichte und Verteilungsmuster von Schweinswalen (Phocoena phocoena) in der deutschen Nord- und Ostsee. In: Minos/Plus-Weiterführende Arbeiten an Seevövgeln und marinen Säugern zur Bewertung von Offshore-Windkraftanlagen. Zweiter Zwischenbereicht, April 2006. Landesamt ür den Nationalpark Schleswig-Holsteinisches Wattenmeer, Tönning, pp 10-27
16. Siebert U, Gilles A, Lucke K, Ludwig M, Benke H, Kock KH, Scheidat M (2006) A decade of harbour porpoise occurrence in German waters: analysis of aerial surveys, incidental sightings and strandings. J Sea Res 56:65-80
17. Sonntag RP, Benke H, Hiby AR, Lick R, Adelung D (1999) Identification of the first harbour porpoise (Phocoena phocoena) calving ground in the North Sea. J Sea Res 41:225-232
18. Teilmann J (2000) The behaviour and sensory abilities of harbour porpoises (Phocoena phocoena) in relation to bycatch in Danish gillnet fishery. Ph.D. thesis, University of southern Denmark, Odense
19. Thomas L, Laake JL, Strindberg S, Marques FFC, Buckland ST, Borchers DL, Anderson DR, Burnham KP, Hedley SL, Pollard JH (2003) Distance 4.1 Release 2. Research Unit for Wildlife Population Assessment, University of St Andrews, UK http://www.ruwpa.st-and.ac.uk/distance/
20. Thomsen F, Laczny M, Piper W (2004) Methodik zur Erfassung von Schweinswalen (Phocoena phocoena) und anderen marinen Säugern mittels Flugtransekt-Zählungen. Seevögel 25:3-12
21. Thomsen F, Ugarte F, Evans PGH (2005) Estimation of g(0) in line-transect surveys of cetaceans. European Cetacean Society Newsletter No. 44 - SPECIAL ISSUE, ECS (available at: http://www.web.inter.nl.net/ users/J.W.Broekema/ecs/)
22. Thomsen F, Lüdemann K, Kafemann R, Piper W (2006a) Effects of offshore wind farm noise on marine mammals and fish. Report for Collaborative Offshore Wind Research into the Environment (COWRIE), Newbury
23. Thomsen F., Laczny M., Piper W. (2006b) A recovery of harbour porpoises (Phocoena phocoena) in the southern North Sea? A case study off Eastern Frisia, Germany. Helgol Mar Res 60:189-195
24. Witte RH, Baptist HJM, Bot PVM (1998) Increase of harbour porpoise (Phocoena phocoena) in the Dutch sector of the North Sea. Lutra 40:33-40
25. Zar JH (1984) Biostatistical analysis, 2 edn. Prentice Hall, Englewood Cliffs