How large is the world's largest fish? Measuring whale sharks Rhincodon typus with laser photogrammetry

被引：71

作者：

Rohner, C. A. ^{[1
,2
,3
]}

Richardson, A. J. ^{[3
,4
]}

Marshall, A. D. ^{[1
]}

Weeks, S. J. ^{[2
]}

Pierce, S. J. ^{[5
,6
]}

机构：

[1] Marine Megafauna Fdn, Praia Do Tofo, Mozambique

[2] Univ Queensland, Ctr Spatial Environm Res, St Lucia, Qld 4072, Australia

[3] CSIRO Marine & Atmospher Res, Cleveland, Qld 4163, Australia

[4] Univ Queensland, Ctr Applicat Nat Resource Math CARM, St Lucia, Qld 4072, Australia

[5] All Out Africa Res Unit, Lobamba, Swaziland

[6] Eyes Horizon, Praia Do Tofo, Mozambique

来源：

JOURNAL OF FISH BIOLOGY | 2011年 / 78卷 / 01期

关键词：

demography; growth; size; visual estimate; NINGALOO REEF; SOUTH-AFRICA; WESTERN-AUSTRALIA; POPULATION-SIZE; PARALLEL LASERS; INDIAN-OCEAN; IDENTIFICATION; AGGREGATIONS; ABUNDANCE; SURVIVAL;

D O I：

10.1111/j.1095-8649.2010.02861.x

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Laser photogrammetry was found to be a promising new cost-effective technique for measuring free-swimming whale sharks Rhincodon typus. Photogrammetric measurements were more precise than visual size estimates by experienced researchers, with results from the two methods differing by 9.8 +/- 1.1% (mean +/- s.e.). A new metric of total length and the length between the fifth gill and first dorsal fin (r(2) = 0.93) is proposed to facilitate easy, accurate length measurements of whale sharks in the field. (C) 2010 The Authors

引用

页码：378 / 385

页数：8

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