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Wagina Seaweed Farms

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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.
- Location: Solomon Islands
- Nearby: Kia (81 km)
Best time to visit & climate
The most pleasant time to visit is Apr, Oct, Nov.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 29 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 |
| Rain mm | 304 | 326 | 315 | 240 | 240 | 283 | 317 | 269 | 249 | 240 | 227 | 239 |
📋 Practical info
Geography
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
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