Rich Langan, "Opportunities and Challenges for Expanding Mussel Aquaculture in New England," Baird...

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Opportunities and Challenges for Expanding Mussel Aquaculture in New England Baird SymposiumNovember 14, 2013

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Rich Langan, Director, Coastal and Ocean Technology Programs: Professor, School or Marine Science and Ocean Engineering, University of New Hampshire Topic: Growing the Crop

Transcript of Rich Langan, "Opportunities and Challenges for Expanding Mussel Aquaculture in New England," Baird...

Page 1: Rich Langan, "Opportunities and Challenges for Expanding Mussel Aquaculture in New England," Baird Symposium

Opportunities and Challenges for Expanding Mussel Aquaculture in New England

Baird Symposium‐November 14, 2013

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Today’s Presentation• Motivation• Methods• History and Current Status• Challenges• Reasons to be Optimistic• Reasons to not be….• Future?

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Primary Motivation: US Consumption and Production

• US production

Average 2005‐2012 $4 M; 4.5 M lbs 

• Imports$100 M (all products)

$40 M ( fresh/live)

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Bottom culture

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Rope Cultured Mussels

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• Seed Collection/productionWild caughtHatchery

• Nursery CultureOn seed lines; 4-6 months

• GrowoutSuspension of mesh “socks” or growing rope

MUSSEL CULTURE BASICS

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NZ style

Spanish style

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Surface Referenced Longlines-PEI

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Open Ocean‐ US EEZ

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Submerged Longline

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Finite Element Modeling

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Mussel Farming Around New England

14 Lease Holders2 BC9 Raft2 LL

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10 km from shore

52 m deep

Current velocities 20 ‐> 150 cm/s

Significant wave heights > 10 m

UNH Offshore Aquaculture 

Facility

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12 Longlines180,000 lb Capacity 

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10 acres

15 acres5 Longlines

25 Acres

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2 lines (5)

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?

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We Have the Technology

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ShellHeight (mm)

Months Post Deployment

0

10

20

30

40

50

60

70

80

0 2 4 6 8 10 12 14 16 18

Jun-99

Oct-99

Jun-00

Dec-00

Dec-01

Dec-02

May-03

June-04

Favorable Production Cycle

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We Can Produce a Superior Product

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Favorable Economic Outlook

$3 M

$2 M

$900 K

20%

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We Can Create Jobs

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We Can Learn from Others

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Key component of Integrated MultitrophicAquaculture (IMTA)

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We Can Join Forces

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Thank You!

Questions?