Colloquy Downeast Blue Hill Maine

Colloquy Downeast

Spirited Conversations in Great Company

FacilitatorDavid Porter
Date & TimeThursdays, October 29, November 5, 12, and 19, 2020
2:00-4:00 pm
LocationSeaweeds will be offered via Zoom
Available Spaces1

Seaweeds are a constant element of coastal Maine, often overlooked and underappreciated. In recent years however, the commercial harvesting of seaweeds has brought newsworthy attention to these organisms and their ecological and economic significance.

This colloquy will delve into questions surrounding the place of seaweeds in our lives. What are seaweeds in a biological and ecological sense?  What are the commercial uses of seaweeds – now and in the future?   How have seaweeds affected our ecological ethos?   How have artists viewed seaweeds?

David Porter is a retired professor of Plant Biology who still maintains his youthful fascination with what can be found along these rocky shores.

  ▼ Syllabus/Reading

Syllabus/Reading

Syllabus

October 29:  Biology of seaweeds

Read:

Shetterly, 2018, Seaweed Chronicles: a world at the water’s edge,  Ch 1 and 2, (but you probably won’t    want to stop there!).  Available from Blue Hill and Brooklin Libraries

Carson, 1955, The Edge of The Sea, Ch 3 The Rocky Shore, p 39 -103

available at https://www.google.com/books/edition/The_Edge_of_the_Sea/EMEKAQAAIAAJ?hl=en&gbpv=1&printsec=frontcover  or from either library

Mouritsen, 2013, Seaweeds: Edible, Available and Sustainable, pp 5 – 65

available from Brooklin Library

 

November 5: Fresh seaweeds and seaweeds in art

Observations of live seaweeds, preparation of specimens to mount and dry

Read:

Iselin, 2014, An Ocean Garden: the secret life of seaweed, available from Blue Hill Library

Collect seaweeds to show at the discussion

 

November 12: Commercial uses of seaweeds

Seaweed products, aquaculture and natural harvesting

Read:

Shetterly, Ch 3 -12; Mouritsen, pp 68 – 112 and 204 – 231

 

November 19: Seaweed Harvesting on the Maine Coast

property rights and legal battles

Read:

Shetterly, ch 9

Maine Supreme Court Decision: Ross, et al. vs Acadian Seaplants, Ltd.

http://nsglc.olemiss.edu/blog/2019/apr/5/index.html https://www.courts.maine.gov/opinions_orders/supreme/lawcourt/2019/19me045.pdf

 

Readings:

The following books will be useful for background information:

Rachel Carson, The Edge of the Sea 1955

Josie Iselin, An Ocean Garden: the Secret Life of Seaweed, 2014

Ole Mouritsen, Seaweeds: edible, available and sustainable, 2013

Susan Shetterly, Seaweed Chronicles: a World at the Water’s Edge, 2018


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