davywavy: (Default)
[personal profile] davywavy
...he will eat for a day. If you teach a man to fish, he will wreck the environment.

Not so cut and dry as that, unfortunately

Date: 2003-10-03 08:57 am (UTC)
From: [identity profile] applez.livejournal.com
Insofar as thinning the overcapacity of global fishing fleets is a good idea - I completely concur.

However, 'marine farms' and other aquaculture present enormous environmental threats of their own. Some examples:

One of the most popular and successful forms of aquaculture has been shrimp farming. Unfortunately, shrimp farming is intensely fresh-water consuming, and poor controls have lead to significant mangrove damage in places like Thailand for such shrimp farms. Moreover, the heavy contamination of the fresh water used in those shrimp pools have lead to untreated outflows or spillage into coastal water and riverine environments, killing and degrading them. Even in relatively benign operations, such as the shrimp farms in Taiwan, the heavy demand on fresh water has lead to salinisation from seawater intrusion on the island's aquifers.

In Thailand, shrimp farms have subsequently become flashpoints between the shrimp farmers, and local subsistence fisherman, hurt by those businesses. And, as one might imagine, they have little legal recourse.

If nothing else, a sign of rapacious capitalist behaviour outpacing regulatory control and justice mechanisms.

---

Another problem case: salmon aquaculture. The threat, beyond similar problems of waste build-up in the pools (which also presents a problem of disease transmission in the farmed species) lies in at least 2 varieties:

1. the introduction of exotic salmon species to the wrong waters - this has already happened in North America, and is becoming an increasing problem

2. the introduction of genetically-modified salmon to a wild population - there is serious fear that this has already happened, given documented escapes from off-shore pens ... but the subsequent generational impact is unknown. The problem is that due to market demand, the male farmed salmon often grow bigger, faster (and die younger, btw - if given the chance); and if they escape, they are shown to attract wild female salmon more (who respond positively to the larger males; this is proven experimentally) ... this then introduced engineered material to wild species, and reduces their overall survival potential. Besides the problem of intellectual property rights for the engineering company, that is.

Moreover, there is also the aesthetic problem of grey meat farmed salmon being colour-dyed to please the customers.

----

Ultimately, one can argue this is largely due to the fact that we are still very early on the learning curve to domesticate these aquatic species - we had thousands of years to prepare horses, cows, chickens, sheeps, goats and pigs for our use ... we haven't that luxury for the fish we now want.

----

On another level, I wonder if this demand is something deeper, in the human conscienceness - the desire to eat the truly wild, and thereby become more connected with that wilderness. Our world is urbanising rapidly, and our packaged pre-prepared foods from factory farms are utterly lacking in the excitement of the wild...

Chalk that to food philosophy I suppose. :-)

Re: Not so cut and dry as that, unfortunately

Date: 2003-10-03 10:12 am (UTC)
From: [identity profile] ex-boog351.livejournal.com
Well, marine farming is a second best solution to sustainable wild fishing, for reasons you highlight. But, the key is sustainability. Current catchment and consumption of is not sustainable, and fish farms are the best way forward, especially as it is vital to allow eco-systems to recover. The argument is analagous to farming of crops and animals - it creates its own problems, but it does at least provide a sustainable solution.

Re: Not so cut and dry as that, unfortunately

Date: 2003-10-03 10:27 am (UTC)
From: [identity profile] applez.livejournal.com
Actually, I think there are considerably more efficient solutions out there.

Given that much of the developed-world fish demand is not in the form of fresh fish, or even recognisable species, but rather in processed foods (canned tuna, dried protein pet foods, pre-breaded/pre-fried 'fish fingers,' 'artificial crab meat' from extruded reconstituted pollock) - perhaps there could be a way to bypass creating a viable engineered species and all the related support infrastructure and risk that entails.

I was quite excited by an article I read a little while back on NASA work to develop fast-growing protein clusters, developed from amphibian and fish materials. Feed the cells, they grow into the desired edible tissue ... but none of the rest of the living organism.

Seems a much more efficient solution ... assuming it can be scaled up to the sort of global demand we're witnessing ... fast enough.

As for the 'tragedy of the commons' that we're witnessing in the oceans. If we cannot develop and enforce strong use rules on those commons, then perhaps we have to get really serious about pricing those commons - and not just the 'harvesting' overhead as you suggested earlier.

Place a 'wildlife' premium tax on all fished materials.

Re: Not so cut and dry as that, unfortunately

Date: 2003-10-03 10:49 am (UTC)
From: [identity profile] ex-boog351.livejournal.com
The genetic engineering 'may' be a solution, but these things take time to develop and become commercially viable. So, until the technology is proven and widely available (remember GM technology is widely mistrusted) marine farms are by far the (second) best solution.

The alternative is to abandon the free market and go for some good old socialist central Planning. The problem, quotas are always subject negotiation by politicians representing fishing constituents and they are not really credible outside national or trading bloc entities. Even the EU cannot bring quotas down low enough to make EU catches sustainable, and the fishing industry complains loudly each time they are cut back, never quite able to take the long term view it needs to survive.

Re: Not so cut and dry as that, unfortunately

Date: 2003-10-03 10:59 am (UTC)
From: [identity profile] applez.livejournal.com
1. Well, like it or hate it, but genetically-modified salmon are already been aquacultured, and some are escaping, and already we have Atlantic salmon outbreaks in the Pacific. Since whatever we do will be 'behind the curve,' better oversight and documentation will be needed at a minimum.

2. There are already some interesting hybrid market/planning solutions. Off the coast of Alaska, for example, there are strict rules about size of boats, type of technique, and numbers of licenses permitted to commercially fish in given areas. The permits are issued by the state's Fish & Wildlife authority, and are informed by wildlife biologists who monitor the population. That is a rational system solution.

In an alternative, said licenses would be freely marketed to buyers so long as fishing rules are strictly observed - I can't remember if that is the case with my Alaska example.

Beyond that, there is the natural shortcoming of territorial waters & policies governing these migratory species.

----

Still, I wonder if fishing rights will again lead to shooting wars.

Re: Not so cut and dry as that, unfortunately

Date: 2003-10-03 11:06 am (UTC)
From: [identity profile] ex-boog351.livejournal.com
Remember when Spanish warships started escorting their trawlers to just outside Canadian territorial waters, after the Canadians threatened to stop any vessel that tried to do so? Yes, I think resource scraps are a definite for the future, even over fishing. Or have I just played too much Civ 3?

The Alaska ideas will work if quotas are set that allow fish stocks to grow, or stay constant - the problem is that in internatinal waters individual nations have no jurisdiction and we are back to the tragedy of the commons issue again, as factory trawlers sit outside territorial waters and clean up.

Re: Not so cut and dry as that, unfortunately

Date: 2003-10-03 11:09 am (UTC)
From: [identity profile] applez.livejournal.com
Nah CivIII is just starting to reach the modelling sophistication needed to consider these resource issues and their solutions. I do wonder about greater political functionality though. :-)

As for extra-territorial migrating fish - yes, I take your point - which is why the challenge then becomes global fishing rules with global enforcement.

In the face of global challenges like this, it saddens me to see such a lack of leadership or real discussion on this. We've had 30 bloody years already! Nearly 10 since the last agreement on the Law of the Sea.

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