This is just one of many examples of the bio-benefits of migratory
species provided by Sonia Shah in her new book,/The Next Great
Migration/. Hers is an original take on the oft-stultifying debate about
immigration, most frequently argued over by unbending stalwarts on
opposite extremes, or sometimes quibbled over by noncommittal centrists.
There are now more displaced humans than ever — around one percent of
the total human population — and the climate crises together with
humanity’s ceaseless creep are driving an increasing number of nonhuman
species to search for more welcoming climes. That half of the story is
popularly understood: the world is on the move. What is less often
acknowledged, and what Shah convincingly fills out, is its biological
necessity. “Migration’s ecological function extends beyond the survival
of the migrant itself,” she writes. “Wild migrants build the botanical
scaffolding of entire ecosystems.” Besides spreading pollen and seeds —
upon which the survival of many plants depend — migrants also transport
genes, thus bringing genetic diversity. Migration is not only a human
fact but a biological one.
https://lareviewofbooks.org/article/migration-as-bio-resilience-on-sonia-shahs-the-next-great-migration/
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