Ecuador's precious mangrove forests, a natural bulwark against rising sea levels and a haven for biodiversity, are being ravaged by the country's burgeoning shrimp industry. The alarmingly rapid expansion of shrimp farms has seen over 1,000 hectares of these vital ecosystems cleared in just four years – an area roughly equivalent to three-quarters of London's Hyde Park.
Behind this devastation lies a stark reality: Ecuador's shrimp production has surged by nearly fourfold in the past decade, making it the nation's primary export. Most of these exports are bound for China, the US, and Europe, fuelling a lucrative trade that shows no signs of slowing down. The result is an insidious creep of shrimp farms into coastal landscapes already ravaged by deforestation – with estimates suggesting that they now occupy an area approximately 1.5 times larger than the remaining mangrove forests.
Officially, the clearing of mangroves is prohibited in Ecuador, and the industry insists that conversion rates have plummeted. Yet, a damning report from the Catholic University in Esmeraldas reveals that this destruction continues unabated. Data from the supply-chain transparency initiative Trase shows that between 2014 and 2018, an astonishing 427 hectares of mangroves were converted into shrimp ponds – primarily in Guayas province, a major shrimp-farming hub.
Beyond direct clearing, the ripple effects of shrimp farming are far-reaching. Altered tidal flows, pollution from wastewater discharge, and habitat destruction all conspire to undermine the very foundations of these delicate ecosystems. The construction of walls, canals, and pond embankments disrupts the natural tidal exchange essential for keeping mangrove soils moist and oxygenated – a process that has been underway since 1969. More recent research reveals significantly higher levels of ammonium and phosphorus in mangrove systems near shrimp farms in Esmeraldas, suggesting systemic failures in wastewater management.
For Johana Carolina Cruz Potes and her fellow shellfish gatherers, the consequences are dire. The diminution of catches, coupled with shrinking gathering grounds, has decimated their livelihoods – a grim reminder that this is not merely an environmental issue, but one with profound human costs. As Cruz Potes notes, 'the clearing of mangrove roots where our cockles reside leads to their disappearance.' Her words serve as a stark warning: the very fabric of Ecuador's natural world is being unravelled at an alarming pace.