Kısaca
Mangroves live in seawater, but too much salt would kill them. Some species excrete extra salt through their leaves, leaving tiny crystal-like traces on the surface.
On the coast, mangroves can look like trees walking on stilts, yet their real battle is against salt. Seawater reaches their roots day after day, while their internal chemistry depends on a fresher balance. To survive, mangroves evolved clever ways to manage salt.\n\nSome species filter salt at the roots, while others remove it later. Special glands on the leaf surface push excess salt outward, and when the water evaporates, tiny crystals may remain. Rain can rinse them away, and sunshine can bring them back again.\n\nThis is quiet engineering that supports entire shore ecosystems. Mangroves protect not only themselves but countless creatures: their roots shelter young fish and their forests soften waves. A salty leaf is part of a coastal fortress.\n\nMangrove salt control also inspires ideas for breeding crops that tolerate salinity and drought. Nature is full of designs that solve harsh constraints. Sometimes the signature of that design is a faint salt trace on a leaf.
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