Sápmi Reindeer Migration Corridors: Climate Shifts, Border Infrastructure, and Cross-National Herding Rights

萨米 reindeer 迁徙走廊：气候变迁、边境基建与跨国放牧权

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Reindeer herding families in Sápmi traverse Norway, Sweden, Finland, and Russia along ancient migration routes now disrupted by climate-altered snowpack and national border fortifications.
Warmer winters cause rain-on-snow events that freeze ground surfaces, preventing reindeer from accessing lichen beneath ice—a dietary staple whose decline correlates with calf mortality spikes above 35%.

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