Tác giả: Glenn R. VanBlaricom

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2 Ebooks bởi Glenn R. VanBlaricom

James A. Estes & Glenn R. VanBlaricom: Community Ecology of Sea Otters
The impetus for this volume comes from two sources. The first is scientific: by virtue of a preference for certain large benthic invertebrates as food, sea otters have interesting and significant eff …
PDF
Anh
DRM
€114.12
James L. Bodkin & Shawn Larson: Sea Otter Conservation
Sea otters are good indicators of ocean health. In addition, they are a keystone species, offering a stabilizing effect on ecosystem, controlling sea urchin populations that would otherwise inflict d …
EPUB
Anh
DRM
€63.02