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Wagina Seaweed Farms

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Wagina Seaweed Farms (Solomon Islands)

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The seaweed farms of Wagina, located in Choiseul Province, represent a remarkable success story in marine-based aquaculture. The island is predominantly inhabited by the I-Kiribati community, who were relocated from the Gilbert Islands in the 1960s. Over the past two decades, the cultivation of red seaweed (Kappaphycus alvarezii) has transformed into the primary source of income for the local population. The shallow, nutrient-rich lagoons surrounding Wagina provide the first-rate environment for seaweed to grow on submerged lines. Once harvested and sun-dried, the product is exported to international markets for carrageenan extraction, a thickening agent used extensively in the global food and pharmaceutical industries. This industry has significantly boosted the local economy, providing a stable livelihood in one of the most remote parts of the Solomon Islands.

Best time to visit & climate

The most pleasant time to visit is Apr, Oct, Nov.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C292828282928282828282829
Rain mm304326315240240283317269249240227239

📋 Practical info

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What is this place?
The Wagina Seaweed Farms are the hub of the emerging seaweed industry in the Solomons. The shallow lagoons of Wagina provide convenient conditions for growing seaweed, which is dried and exported.
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Visiting
The seaweed farms are open marine areas and can be viewed from shore or by boat. Visitors can see the stretched ropes and nets on which the seaweed grows, but not enter the processing facilities.
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Where to view it
From the beach on the east side of Wagina, there is a wide view over the lagoons with the seaweed cultures. A boat ride through the lagoon provides the best perspective on the rows of seaweed lines.
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Local products
On Wagina, mainly red algae are cultivated for agar and carrageenan production. Visitors can buy dried seaweed and local products made from it, such as soaps or fertilizers, at the market.
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Active season
Seaweed harvest takes place year-round, with a main season in the cooler months from June to September when algal growth is strongest. During this time the lagoons are especially lively.
Nearby
A visit to the seaweed farms can be combined with a snorkelling tour in the coral gardens of the lagoon. Also worth exploring the traditional villages of Wagina with their maritime culture.

Geography

Coordinates
-7.43200, 157.77100

Facts

  • The community consists of I-Kiribati settlers relocated in the 1960s.
  • Wagina accounts for the majority of seaweed production in the Solomon Islands.
  • Seaweed is grown on ropes tied to stakes in the shallow lagoon waters.
  • The harvested seaweed is sun-dried to reduce moisture for shipping.
  • Carrageenan extracted from the seaweed is used as a stabilizer in food.
  • Seaweed farming provides a climate-resilient alternative to traditional crops.

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Frequently asked questions

What are the Wagina seaweed farms?
Coastal areas where seaweed is grown locally for export and domestic use.
Can one visit the farms?
Visits are only possible after prior arrangement with local farmers, as this is private land.
Why is seaweed farming economically important?
It is a sustainable income source, less vulnerable to climate change than other crops.
Where is Wagina located?
Wagina is an island in the Choiseul province of the Solomon Islands.
What is produced from the seaweed?
Mainly carrageenan is extracted, which is used in food and cosmetics.
Wagina Seaweed Farms: where is it located?
Wagina Seaweed Farms is located in Solomon Islands.
Wagina Seaweed Farms: when is the best time to visit?
The most pleasant time to visit is Apr, Oct, Nov.
Wagina Seaweed Farms: why is it worth visiting?
The seaweed farms of Wagina, located in Choiseul Province, represent a remarkable success story in marine-based aquaculture.
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