Seaweed And Its Farming

https://www.bbc.com/news/business-53610683


Good morning all,

Per ...

There's a time and a place for everything and seaweed can serve as a food. Although I'd prefer a fresh batch of Pacific kelp, a basic seaweed could work.

Note the picture caption "Ocean Rainforest ... funding ... US Department of Energy".

 

Mariculture is a growth industry with farms already in the US, Norway, Japan, Canada and I have no idea how many other countries. Culture of hundreds if not thousands of "seaweed" species is possible for food, medicines and other nature generated chemicals. Vertebrate and invertebrate species are already being grown and harvested in every ocean except the artic ocean (treaties).. Species as varied as abalone, cobia, tuna, lobster, sea cucumbers and so many more are being grown in pens, beds, lifts, cages, tubes and on shore facilities. Anyone young that likes the ocean and biology should consider a career for the future.



A good read if interested. https://www.nationalgeographic.com/..._content=inside_20140605&utm_campaign=Content



Nice post Pragmatist.

Dale

 

Good morning Dale,

Well received.

Just glanced at the NGS article.

On my list of places to visit is "Blue Ridge Aquaculture".

 

These plans far exceed just farming the oceans. Need places for the expanding population.



https://www.dezeen.com/2019/04/04/oceanix-city-floating-big-mit-united-nations/
Who here will sign up to live on a floating atoll in the middle of the ocean.



Dale

 

ME!. In fact it is always my dream to live on a boat rather on on land.

 

If we live long enough, you may get your wish. I have been seeing lots of interest in oceanic communities especially in cooperation with raising fish/crops. Add into that being able to have hurricane resistant greenhouse structures to grow additional food. If we wish to use our planets resources as good stewards, then humans living in a pelagic environment will happen.



You could always have several of these and live on a bay.

Dale

 

For you Varuna.



Arrange for a community. Honeycomb design is pretty stable.



If they can withstand storms they may be very do able.

Dale

I guess sea salt production could be a money making side job with these.

Info: https://en.socialdesignmagazine.com/mag/blog/green/2014-11-26-14-00-05/

 

A must read. In my opinion.

If I lived on the water, I'd have these.

https://inhabitat.com/solar-powered...solution-to-food-scarcity/jellyfish-barge-12/

 

For water dwelling I believe using empty steel barrel for buoyancy and using mix of Bornean ironwood (Eusideroxylon zwageri) & teak for the rest of the structure is most viable option around here. Althoough my dream dwelling is 40' -50' trawl boat, that way I could always move elsewhere anytime I need to including making ocean passage if I have to

Table salt is too cheap not to mention require large surface area, while source for industrial salt is not available here due to being in tropical climate

 

Varuna, Just curious, why would you prefer steel barrels in a marine environment over the poly barrels? I've seen them used for docks and know many that rusted all the way through in only 3 to 5 years. I know of poly that have been in use for 22 years and still going.

I'm familiar with teak and it's use on vessels and marine settings but not familiar with such use of Bornean Ironwood. I didn't know of Ironwoods being used on vessels. Could you expand on how you use this wood on vessels? What is the advantage of this over woods like mahogany or ebony or any of the many other tropical's used for boat building. Or is it just a personal preference?

I figure on the salt, that it will be desired after a SHTF event or sea salt can go a long ways in making food taste better. Easy to make and not labor intensive.

Dale

 

Steel barrel (used) is cheap & plentiful. Moreover WHEN puncture happen, it can always be welded within reasonable time. And in open sea environment there is always some debris or worse WW2 era naval mine floating around ready to puncture (or blow up) anything

For shipbuilding Bornean ironwood is far more suitable than teak due to their self hardening when exposed to water. They are typically use extensively for both load bearing & hull plank for about thousand years or so. While teak is typically use for deck or any superstructure. The problem with Bornean ironwood is they are rare these days because typically the tree need to be around hundred years to be usable for shipbuilding. Back in the 14th century they were still plentiful, but with high demand on the timber to build all those 40 - 90 guns Javanese Junk their population doesn't have enough time to recover.

 

Thought I'd share this.



Mariculture in the deep end.

 

This is China's response to aquaculture. Note how they are using Norway's waters to raise salmon for China. This farm will harvest salmon for the first time next year.



Dale

 

Look pretty damn expensive setup. And sustainability can also be achieved by getting rid of IUU fishing practice