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Jambiani — Zanzibari women are learning how to swim and farm natural sponges that can withstand climate shocks and protect their income

* Warming seas, rising salinity impact seaweed farms

* Charity trains women to swim and farm natural sponges

* Sponges are climate-resilient and fetch good prices

Nasir Hassan Haji never thought of herself as a farmer or a swimmer, but as she waded into Zanzibar’s blue waters with goggles pulled over her headscarf to examine her floating sponge farm, she realised she had surprised herself by becoming both.

Alongside 12 other women in Jambiani village on the Indian Ocean coast, Haji has come to rely on the climate-resilient, natural sponges bobbing on thick ropes where they grow for months before the women harvest, clean and sell them to shops and tourists.

“I learned to swim and to farm sponges so I could be free and not depend on any man,” Haji said later, sitting on the floor in her home on the Tanzanian island.

Before farming sponges – which resemble a white, textured rock but are actually simple, multicellular animals – Haji cultivated seaweed, until increasing ocean temperatures fuelled by global warming made it difficult to grow her cash crop.

Haji and other women dependent on the ocean for their livelihoods – from seaweed farming to fishing and tourism – have seen warmer, rising seas threaten their work, but they are adapting by finding ways to diversify what they do to get by.

Local conservationists say this has become even more urgent as COVID-19 travel restrictions around the world have stalled the flow of tourists to the tropical holiday destination, forcing islanders to look to nature to eke out a living.

“We are seeing people who relied on tourism now turning to fishing or cutting wood from the forests… It is a tug of war between economics and the environment,” said Mohamed Okala, a conservationist and tour guide from Jambiani.

Locals say they have already seen fish stocks depleting over the past year. But for women like Haji, sponge farming has acted as a buffer against both the climate and economic shocks the island has endured.

“I am building my own house and educating my children,” said the single mother of four, aged 46, as she went to stir a pot on a nearby fire. “Women were left behind before, but now that is changing.”

Read the original article on Thomson Reuters Foundation.