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Photographic method for measuring spacing and density within pelagic fish schools at sea


, : Photographic method for measuring spacing and density within pelagic fish schools at sea. Fishery Bulletin (Washington D C) 75(1): 230-234

A camera system that photographs fish schools at sea and a method used for estimating the density and interfish spacing from the photographs are presented.

US$29.90


Other references

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Hu, W.; Zheng, F.; Hu, B., 2007: Simultaneous separation and speciation of inorganic As(III)/As(V) and Cr(III)/Cr(VI) in natural waters utilizing capillary microextraction on ordered mesoporous Al2O3 prior to their on-line determination by ICP-MS. In this paper, a system of flow injection (FI) capillary microextraction (CME) on line coupled with inductively plasma mass spectrometry (ICP-MS) was proposed for simultaneous separation and speciation of inorganic As(III)/As(V) and Cr(III)/Cr(VI)...

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Tang, T.S.; Stansfield, R.B.; Oh, M.; Anderson, R.M.; Fitzgerald, J.T., 2008: Patient-provider perceptions of diabetes and its impact on self-management: a comparison of African-American and White patients. To compare patient-provider differences in diabetes-related perceptions between African-American and White patients and to examine its association with self-care behaviours. One hundred and thirty patient-provider pairs were recruited from the gre...

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Lee, D.C.; Robel, Ián.; Pietryga, J.M.; Klimov, V.I., 2010: Infrared-active heterostructured nanocrystals with ultralong carrier lifetimes. We present the synthesis of composite PbSe/CdSe/CdS nanocrystals with two distinct geometries: core/shell/shell structures and tetrapods. These novel nanostructures exhibit extremely long carrier decay times up to 20 micros that are combined with...