50 Keystone Fauna Arten des pazifischen Nordwestens: Ein Taschenführer
19,78 €
A keystone species is an organism that defines and supports an entire ecosystem, filling a vital ecological niche. This convenient and easy-to-use reference is perfect for walkers, hikers, campers, beachcombers, sailors, paddlers, and whale watchers and important for raising awareness of the need to conserve and protect these vital species.
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