Sci. Report 37- PICES - North Pacific Marine Science Organization

Report 38 (September 2010)

Report of the Advisory Panel on Micronekton Sampling Inter-calibration Experiment


Full report [pdf, 4.2 Mb] (Right-click and choose "Save Target As..." to save it on your computer)

TABLE OF CONTENTS: [pdf, 0.1 Mb]
Contributing Authors [pdf, 0.1 Mb]
Executive Summary [pdf, 0.1 Mb]				vii

1.	Introduction [pdf, 0.1 Mb]			1
	1.1	Reference

2.	First Micronekton Inter-calibration Experiment, MIE-1 [pdf, 2 Mb]			3
	2.1	Macrozooplankton and Micronekton off Oahu Island, Hawaii: Composition and Gear Inter-calibration E.A. Pakhomov, A.V. Suntsov, M.P. Seki, R.D. Brodeur, R. Domokos, L.G. Pakhomova and K.R. Owen		3
		2.1.1	Background and Methodology	3
		2.1.2	Taxonomic Composition of Catches	7
		2.1.3	Catch Length Frequency Composition	11
		2.1.4	Inter-calibration between Three Sampling Gears Used during the MIE-1	13
		2.1.5	MIE-1 Macroplankton/Micronekton Lessons	18

	2.2	Acoustic Characterization of the Mesopelagic Community off the Leeward Coast of Oahu Island, Hawaii R. Domokos, E.A. Pakhomov, A.V. Suntsov, M.P. Seki and J.J. Polovina		19
		2.2.1	Methodology	19
		2.2.2	Acoustic Results	20
		2.2.3	Main Findings	24

	2.3	Ichthyoplankton in the Vicinity of Oahu Island, Hawaii A.V. Suntsov, E.A. Pakhomov, M.P. Seki, R.D. Brodeur, R. Domokos and L.G. Pakhomova		27
		2.3.1	Composition and Abundance of Ichthyoplankton Collected during the MIE-1	27
		2.3.2	Comparison of Diversity and Abundance between Different Net Types	34
		2.3.3	Similarity of Ichthyoplankton Assemblages Sampled by Different Nets	34
		2.3.4	Summary	36

	2.4	References		36

3.	Second Micronekton Inter-calibration Experiment, MIE-2 [pdf, 1.5 Mb]			37
	3.1	Macrozooplankton and Micronekton off Hokkaido Island, Japan: Composition and Gear Inter-calibration O. Yamamura and H. Yasuma		37
		3.1.1	Background of the MIE-2	37
		3.1.2	Sampling	39
		3.1.3	Sample and Data Processing	40
		3.1.4	Catch Composition and Diversity	41
		3.1.5	Sampling Efficiency of Micronekton	42
		3.1.6	Sampling Efficiency of Euphausiids	46
		3.1.7	Size Distribution of Samples	47

	3.2	Comparison between Acoustic Estimates H. Yasuma and O. Yamamura		51
		3.2.1	Data Collection and Analyses	51
		3.2.2	Day and Nighttime Echograms and Vertical Fish Density	51
		3.2.3	Horizontal Distribution and Biomass	52
		3.2.4	Comparative Results between Acoustic and Three Sampling Gears	55

	3.3	Summary of Results from the MIE-2		57

	3.4	References		57

4.	Third Micronekton Inter-calibration Experiment, MIE-3 [pdf, 0.3 Mb]			59
	4.1	Macrozooplankton and Micronekton in the eastern Bering Sea: Composition and Gear Inter-calibration O. Yamamura, A.V. Suntsov and H. Yasuma		59
		4.1.1	Background and Methodology	59
		4.1.2	Sampling Efficiency	60
		4.1.3	Size Distribution of Samples	61
		4.1.4	Comparison with Acoustic Data	63

	4.2	Summary of MIE-3 Results		65

	4.3	References		65

5.	Overview and Recommendations (pdf, 0.5 Mb)			67
Apendix 1			PICES Advisory Panel on Micronekton Sampling Inter-calibration Experiment Terms of Reference and Membership	69

Apendix 2			List of Fish Species Collected during the MIE-1 Cruise off Hawaii	71

Apendix 3			MIE-AP Annual Reports	75

Apendix 4			PICES Press Articles	99

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