Inter-individual differences in contamination profiles as tracer of social group association in stranded sperm whales

被引:5
|
作者
Schnitzler, Joseph G. [1 ]
Pinzone, Marianna [2 ]
Autenrieth, Marijke [3 ]
van Neer, Abbo [1 ]
IJsseldijk, Lonneke L. [4 ]
Barber, Jonathan L. [5 ]
Deaville, Rob [6 ]
Jepson, Paul [6 ]
Brownlow, Andrew [7 ]
Schaffeld, Tobias [1 ]
Thome, Jean-Pierre [8 ]
Tiedemann, Ralph [3 ]
Das, Krishna [2 ]
Siebert, Ursula [1 ]
机构
[1] Univ Vet Med Hannover, Inst Terr & Aquat Wildlife Res, D-25761 Busum, Schleswig Holst, Germany
[2] Univ Liege, Freshwater & Ocean Sci Unit Res Oceanol, Allee 6 Aout,B6C, B-4000 Liege, Belgium
[3] Univ Potsdam, Inst Biochem & Biol, Unit Evolutionary Biol Systemat Zool, Karl Liebknecht Str 24-25, D-14476 Potsdam, Germany
[4] Univ Utrecht, Fac Vet Med, Dept Pathobiol, Yalelaan 1, NL-3584 CL Utrecht, Netherlands
[5] Ctr Environm, Fisheries & Aquaculture Sci Cefas Lowestoft Lab, Pakefield Rd, Lowestoft NR33 0HT, Suffolk, England
[6] Inst Zool, CSIP, Regents Pk, London NW1 4RY, England
[7] SRUC Wildlife Unit, Inverness IV2 4JZ, Scotland
[8] Univ Liege, CART, LEAE, B6c, Liege, Belgium
来源
SCIENTIFIC REPORTS | 2018年 / 8卷
关键词
PORPOISES PHOCOENA-PHOCOENA; NORTH-SEA; PHYSETER-MACROCEPHALUS; GALAPAGOS-ISLANDS; HARBOR PORPOISES; CETACEAN STRANDINGS; AGGREGATIONS; POLLUTANTS; BEHAVIOR; MAMMALS;
D O I
10.1038/s41598-018-29186-z
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Ecological and physiological factors lead to different contamination patterns in individual marine mammals. The objective of the present study was to assess whether variations in contamination profiles are indicative of social structures of young male sperm whales as they might reflect a variation in feeding preferences and/or in utilized feeding grounds. We used a total of 61 variables associated with organic compounds and trace element concentrations measured in muscle, liver, kidney and blubber gained from 24 sperm whales that stranded in the North Sea in January and February 2016. Combining contaminant and genetic data, there is evidence for at least two cohorts with different origin among these stranded sperm whales; one from the Canary Island region and one from the northern part of the Atlantic. While genetic data unravel relatedness and kinship, contamination data integrate over areas, where animals occured during their lifetime. Especially in long-lived animals with a large migratory potential, as sperm whales, contamination data may carry highly relevant information about aggregation through time and space.
引用
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页数:11
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