Eye lens radiocarbon reveals centuries of longevity in the Greenland shark (Somniosus microcephalus)

被引：207

作者：

Nielsen, Julius ^{[1
,2
,3
,4
]}

Hedeholm, Rasmus B. ^{[2
]}

Heinemeier, Jan ^{[5
]}

Bushnell, Peter G. ^{[6
]}

Christiansen, Jorgen S. ^{[4
]}

Olsen, Jesper ^{[5
]}

Ramsey, Christopher Bronk ^{[7
]}

Brill, Richard W. ^{[8
,9
]}

Simon, Malene ^{[10
]}

Steffensen, Kirstine F. ^{[1
]}

Steffensen, John F. ^{[1
]}

机构：

[1] Univ Copenhagen, Marine Biol Sect, Strandpromenaden 5, DK-3000 Helsingor, Denmark

[2] Greenland Inst Nat Resources, POB 570,Kivioq 2, Nuuk 3900, Greenland

[3] Natl Aquarium Denmark, Den Bla Planet, Jacob Fortlingsvej 1, DK-2770 Kastrup, Denmark

[4] UiT Arctic Univ Norway, Dept Arctic & Marine Biol, N-9037 Tromso, Norway

[5] Aarhus Univ, Aarhus AMS Ctr, Dept Phys & Astron, Ny Munkegade 120, DK-8000 Aarhus, Denmark

[6] Indiana Univ South Bend, Dept Biol Sci, 1700 Mishawaka Ave, South Bend, IN USA

[7] Univ Oxford, Oxford Radiocarbon Accelerator Unit, Dyson Perrins Bldg,South Parks Rd, Oxford OX1 3QY, England

[8] NOAA, Natl Marine Fisheries Serv, Northeast Fisheries Sci Ctr, James J Howard Marine Sci Lab, 74 Magruder Rd, Highlands, NJ 07732 USA

[9] Virginia Inst Marine Sci, POB 1346, Gloucester Point, VA 23062 USA

[10] Greenland Inst Nat Resources, Greenland Climate Res Ctr, POB 570,Kivioq 2, Nuuk 3900, Greenland

来源：

SCIENCE | 2016年 / 353卷 / 6300期

关键词：

POST-BOMB RADIOCARBON; FEEDING ECOLOGY; NORTHWEST ATLANTIC; AGE VALIDATION; LAMNA-NASUS; PRE-BOMB; FOOD-WEB; CALIBRATION; OTOLITHS; DELTA-N-15;

D O I：

10.1126/science.aaf1703

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：

The Greenland shark (Somniosus microcephalus), an iconic species of the Arctic Seas, grows slowly and reaches >500 centimeters (cm) in total length, suggesting a life span well beyond those of other vertebrates. Radiocarbon dating of eye lens nuclei from 28 female Greenland sharks (81 to 502 cm in total length) revealed a life span of at least 272 years. Only the smallest sharks (220 cm or less) showed signs of the radiocarbon bomb pulse, a time marker of the early 1960s. The age ranges of prebomb sharks (reported as midpoint and extent of the 95.4% probability range) revealed the age at sexual maturity to be at least 156 +/- 22 years, and the largest animal (502 cm) to be 392 +/- 120 years old. Our results show that the Greenland shark is the longest-lived vertebrate known, and they raise concerns about species conservation.

引用

页码：702 / 704

页数：3

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