Practical aquaculture knowledge — longline design, seed stock, siting, harvest timing and integrated multi-trophic systems.
173 articles
A production guide to fermenting seaweed commercially — microbes, brines, food-safety controls, and how fermentation turns a glut into a shelf-stable product.
Sofia Andersson ·
Abalone are kelp-eaters by nature. How farms grow their own feed kelp, what fresh kelp does to growth and shell colour, and how to design an integrated abalone-kelp system.
Naomi Reyes ·
A practical biosecurity system for kelp farms: the pest vectors that matter, zoning and quarantine design, and what to do in the first 48 hours of an outbreak.
Naomi Reyes ·
Seaweed's value chain from harvest line to buyer: how wet and dried kelp is priced, where margin leaks out, and how to keep more of the value on-farm.
Naomi Reyes ·
Land-based tank nurseries and open-water seed systems each win in different conditions. How to match your seaweed nursery design to species, budget, climate and scale.
Naomi Reyes ·
Urchin ranching collects starving urchins from barrens and fattens their roe on kelp feed — a fishery, a farm and a restoration tool in one. Here's how it actually works.
Naomi Reyes ·
How and why hatcheries freeze kelp gametophyte cultures in liquid nitrogen — the germplasm-bank logic that underpins seed security and climate resilience.
Dr. Elias Brandt ·
A biosecurity plan is your farm's immune system on paper. Components, zoning, SOPs and records that keep pests, pathogens and invasive hitchhikers off your lines.
Naomi Reyes ·
How kelp becomes cloth — alginate fibre spinning, seaweed-cellulose blends, and the very short list of things seaweed actually adds to textiles.
Naomi Reyes ·
Growing food-grade kelp means treating the ocean site, the harvest boat and the drying shed as one hygiene chain. A practical guide to food safety for seaweed farmers.
Naomi Reyes ·
Outplanting day is where a kelp season is won or lost. A step-by-step guide to moving seeded lines from nursery tanks to open water without losing the crop.
Naomi Reyes ·
Permitting a kelp farm takes years, not months. How to sequence the approvals, surveys and consultations on the long road to your first seeded line.
Naomi Reyes ·
How to choose a kelp farm boat: match vessel class to farm stage, run the real total-cost math, weigh new vs used vs leased, and sea-trial before you sign.
Naomi Reyes ·
You don't need a hectare and a vessel to farm kelp. Co-ops, allotments and shared-farm models let coastal communities grow seaweed together — here's how they work.
Naomi Reyes ·
Behind every seeded line is a decision made months earlier: which adults to breed from. How hatcheries select, hold and manage kelp broodstock for reliable seed.
Dr. Elias Brandt ·
For a century the world's iodine came from burned kelp. The story of kelp ash, a wartime accident in Paris, and what remains of seaweed iodine today.
Naomi Reyes ·
Bull kelp (Nereocystis) is the Pacific Northwest's iconic annual kelp — and a famously fussy farm crop. Here's the biology, the progress, and what trial growers should expect.
Naomi Reyes ·
A working guide to hazard analysis and critical control points for seaweed farms and small processors — the real hazards, the paperwork, and audit day.
Naomi Reyes ·
How nori farming actually works — the shell-grown conchocelis stage, net seeding, the winter crop cycle and the repeated harvests that built an industry.
Naomi Reyes ·
Winter is when a seaweed farm earns its keep: crop checks between gales, fouling pulses, gear inspections and the growth surge fed by cold, rich water.
Naomi Reyes ·
A technician's guide to kelp spore settlement onto seed string: sorus selection and spore release, density targets, tank hygiene, light and temperature, and common failures.
Naomi Reyes ·
Mooring design makes or breaks a longline kelp farm: grid geometry, design loads, safety factors, and how to engineer a farm to survive its worst storm.
Naomi Reyes ·
Drying preserves kelp, but how you dry it decides colour, flavour, nutrients and safety. A quality-first guide to picking the right drying method.
Naomi Reyes ·
A working calendar for sugar kelp farming — from summer sorus collection through autumn outplanting, winter growth and the spring harvest window.
Naomi Reyes ·