By Carol A. Johnston

Bridging the fields of atmosphere technological know-how and panorama ecology, this ebook integrates Dr. Carol Johnston's study on beaver atmosphere alteration at Voyageurs nationwide Park. The findings concerning the plants, soils, and chemistry of beaver impoundments synthesized within the textual content supply a cohesive reference worthy to wetland scientists, ecosystems and panorama ecologysts, flora and fauna managers, and scholars. The beaver, Castor canadensis, is an surroundings engineer unequaled in its ability to change landscapes via searching and dam construction, whose inhabitants restoration has re-established environmental stipulations that most likely existed for millenia sooner than its close to extirpation by way of trapping within the 1800s and 1900s. Beavers proceed to regain a lot in their usual diversity all through North the US, altering flow and woodland ecosystems in ways in which should be lauded or vilified. curiosity in beavers by way of ecologists continues to be willing as new facts emerges in regards to the ecological, hydrological, and biogeochemical results of beaver shopping and development. there's a severe desire for ecologists and land managers to appreciate the capability significance, endurance, and atmosphere prone of beaver panorama transformation. The 88-year list of beaver panorama career and alteration documented via Dr. Carol Johnston and co-workers from aerial images and box paintings presents a different source towards realizing the surroundings results and sustainability of beaver activity.

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Beavers: Boreal Ecosystem Engineers by Carol A. Johnston

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