50 Keystone Flora Arten des pazifischen Nordwestens: Ein Taschenführer, Taschenbuch...
15,03 €
A keystone species is an organism that defines and supports an entire ecosystem, filling a vital ecological niche. Species profiled include Douglas fir, Sitka spruce, large-leafed lupine, wild mint, Salal, salmonberry, marine eelgrass, and red-belted polypore.
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