STUDENT: Since the mangroves live in waterlogged soil, they have aerial roots sticking out of the ground so they can get oxygen into the roots. STUDENT: They have buttress roots where they keep ...

In the southeastern state of Espírito Santo, Bernardino collects data on mangroves. When the tide is out, he and his colleagues wade into the tangle of roots. PHOTOGRAPH BY ANA CAROLINE DE LIMA ...

Mangrove roots trap sediment as currents carrying suspended particles are intercepted and slowed. Between the carbon sequestered below-ground, and the sediment trapped within the tangle of roots ...