(Table 1) Morphometrics of narwhal (Monodon monoceros) fluke planforms ...

In this study, we compared the fluke geometries of male and female narwhals, which may be associated with hydrodynamic effects. Computerized tomography (CT) scanning was used to obtain data for analyses of the three-dimensional geometry of the flukes. The flukes from four narwhals (two males and two...

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Bibliographic Details
Main Authors: Fontanella, Janet E, Fish, Frank E, Rybczynski, Natalia, Nweeia, Martin T, Ketten, Darlene R
Format: Dataset
Language:English
Published: PANGAEA 2011
Subjects:
Identification
Sex
Monodon monoceros, total length
Monodon monoceros, fluke width
Planform area
Aspect ratio
Angle
Monodon monoceros, tusk length
Biology
International Polar Year 2007-2008 IPY
International Polar Year
IPY
Monodon monoceros
narwhal*
Online Access:https://dx.doi.org/10.1594/pangaea.809490
https://doi.pangaea.de/10.1594/PANGAEA.809490
Description
Summary:In this study, we compared the fluke geometries of male and female narwhals, which may be associated with hydrodynamic effects. Computerized tomography (CT) scanning was used to obtain data for analyses of the three-dimensional geometry of the flukes. The flukes from four narwhals (two males and two females) were obtained from aboriginal hunters in the vicinity of Broughton Island, Canada. The body lengths of the animals ranged from 2.98 to 3.60 m. Both males had erupted, upper left tusks. Standard body measurements were made including the span of the fluke (i.e., linear distance between fluke tips). ... : Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150 ...

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