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Barbara McLain
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  • Honolulu, HI
  • United States
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Do fish share their food?
3 Replies

For the past 3 years, I've been on a steady diet of aquaculture and aquaponics videos as my interest in the field grew.  I always like to see the fish farmers throwing feed into the tanks because,…Continue

Tags: feed, feeding, fish

Started this discussion. Last reply by Bernie Tsao Jul 8, 2011.

How much science is needed to work on your farm?
10 Replies

Aloha fish farmers & researchers.  I am working on a project to identify a checklist of science and math skills for future fish farmers. I need to compile a comprehensive list and I need the…Continue

Tags: skills, training, workforce, education, aquaponics

Started this discussion. Last reply by Cheryl Sanderhill Jul 7, 2011.

How can radiation in the sea "pose no threat"?
2 Replies

I need some science advice from my trusted hubbers.  The Japanese government said the following today: The United Nations nuclear watchdog warned Japan Wednesday that radiation levels recorded at a…Continue

Tags: ecosystem, tsunami, Japan, radiation

Started this discussion. Last reply by Barbara McLain Apr 2, 2011.

What Are the Pathways to Prosperity in Aquaculture? A quiz.
17 Replies

I just finished reading a new report called "Pathways to Prosperity" from Harvard University suggesting that American higher education is misguided. (I've attached the report as a pdf if anyone else…Continue

Tags: 21stCentury, education

Started this discussion. Last reply by Scott Hays Nov 8, 2013.

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Barbara McLain posted a blog post

Congratulations to GreenWave

TIME magazine announced their 20 top inventions of 2017 and an aquaculture enterprise made the list.  Woohoo!  This is great news and positive publicity.GreenWave is an ocean farmer and fisherman-run organization dedicated to building a new blue-green economy that creates jobs, mitigates climate change and grows healthy…See More

Profile Information

Company, School or Organization
University of Hawaii
About Me
I am a technology evangelist, futurist, music educator and dog lover. Currently assisting UHM's efforts toward completely online aquaculture classes as a Technology Coordinator.
What are your interests related to aquaculture?
I want to make sure that my great-great grandchildren can eat fish and make sure our planet doesn't run out of it's natural resources.

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Congratulations to GreenWave

Posted on November 16, 2017 at 2:53pm 0 Comments

TIME magazine announced their 20 top inventions of 2017 and an aquaculture enterprise made the list.  Woohoo!  This is great news and positive publicity.

GreenWave is an ocean farmer and fisherman-run organization dedicated to building a new blue-green economy that…


Latest Research: Can Aquaponics Be Profitable?

Posted on February 11, 2016 at 6:57pm 0 Comments

Howdy hubbers!  I ran across this very interesting research study by seven scientists, funded by the Johns Hopkins Center for a Livable Future.   It has some fascinating information.  For example... most commercial aquaponics owners are between the ages of 50 - 59 years of age.  Not surprising-- the…


Floating Farm in Your Future?

Posted on June 6, 2015 at 4:00pm 1 Comment

This interesting concept is being proposed by Forward Thinking Architecture as a solar-powered, floating farm. 

Designers estimate the solar-powered farm could grow upwards of 8,152 tons of vegetables and 1,703 tons of fish annually in a…


Which Turning Point Are You?

Posted on May 16, 2015 at 10:00am 1 Comment

This is a nice, older video from FAO I found today on youtube.  I think we will add this to our ATOLL classroom because it gives you a wonderful look at aquaculture around the world.  It highlights "turning points" in modern aquaculture.  Which turning point is your farm?   Watch this and tell everybody you saw it first on the HUB.

Comment Wall (15 comments)

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At 6:12pm on January 16, 2012, Michael Sankovich said…

thanks Barbera, I registered for the introductory class to aquaculture and am very excited.  I have my four digit code, yet I still haven't figured out how to actually enter the online classroom, but I will try again tomorrow.  Im looking to make a strategic transition into this field(if in fact it is all that it's cracked up to be).

At 8:09am on July 23, 2010, Carlos Andrade said…
Yes, and I thought I had been for a while but still have not gotten into the habit of checking the hub as yet. The reminders on regular email are a help.

At 11:14am on April 30, 2010, Jane Petelo said…
hey i made my blog.
At 6:14pm on April 29, 2010, Faafofoga Matavao said…
i posted a blog for the contest
At 3:26pm on April 28, 2010, Jane Petelo said…
okaay thaanks((:
At 2:50pm on April 28, 2010, Jane Petelo said…
heyyy(: i had a question about the blog, can we make one as a school or one per student?
At 2:25pm on April 28, 2010, Faafofoga Matavao said…
so we dont have to make a webpage?just a blog?
At 2:06pm on April 28, 2010, Faafofoga Matavao said…
hey barbara i was one of the students that attended the furlough friday event and was wondering if you could be more specific on the details for the blog or webpage contest???!!!please get back to me ASAP mahalos

At 6:21am on March 19, 2010, Dr. Tetsuzan Benny Ron said…
"Do not wait; the time will never be 'just right.' Start where you stand, and work with whatever tools you may have at your command, and better tools will be found as you go along."
~Napoleon Hill
At 5:49am on October 20, 2009, Dave Takaki said…
HI Barbara,

It is good that you post pieces like these. We need to remind ourselves of what is at stake as we push towards an IMTA that does not rely on wild caught fish as an input.

Parking a feedlot further offshore is not the solution. Geospatial considerations are relevant, but not as a means to cause externalities to 'disappear'.

T. Chopin et al are doing developmental work in temperate IMTA. We need to get off our butts to begin to understand how (species web interaction) to assemble tropical trophic systems. So many questions.

Is Tripneustes gratilla a viable echinoderm commercial candidate? What is the relationship of water chemistry to the mix of an initial phytoplankton bloom? Secondary and tertiary blooms? De we know what are the likely candidates (small pelagic fish) above carnivorous zooplankton?

Multiple cropping in a managed trophic system means generating economic opportunity cost models to understand the trade-offs of selling what crop at what farm-gate price. Does one not sell off akule at a certain price, and feed it to top predators. What are the discounted cash flow implications?

As I said, so many questions, and little time to get our act together.

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