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Exotic Brome-Grasses in Arid and Semiarid Ecosystems of the Western US - Causes, Consequences, and Management Implications (Hardcover, 1st ed. 2016)
Loot Price: R5,178
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Exotic Brome-Grasses in Arid and Semiarid Ecosystems of the Western US - Causes, Consequences, and Management Implications (Hardcover, 1st ed. 2016)
Series: Springer Series on Environmental Management
Expected to ship within 12 - 17 working days
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Invasions by exotic grasses, particularly annuals, rank among the
most extensive and intensive ways that humans are contributing to
the transformation of the earth's surface. The problem is
particularly notable with a suite of exotic grasses in the Bromus
genus in the arid and semiarid regions that dominate the western
United States, which extend from the dry basins near the Sierra and
Cascade Ranges across the Intermountain Region and Rockies to about
105 Degrees longitude. This genus includes approximately 150
species that have a wide range of invasive and non-invasive
tendencies in their home ranges and in North America. Bromus
species that became invasive upon introduction to North America in
the late 1800's, such as Bromus tectorum and B. rubens, have since
became the dominant cover on millions of hectares. Here, millenia
of ecosystem development led to landscapes that would otherwise be
dominated by perennial shrubs, herbs, and biotic soil crusts that
were able to persist in spite of variable and scarce precipitation.
This native ecosystem resilience is increasingly coveted by land
owners and managers as more hectares lose their resistance to
Bromus grasses and similar exotics and as climate, land use, and
disturbance-regime changes are also superimposed. Managers are
increasingly challenged to glean basic services from these
ecosystems as they become invaded. Exotic annual grasses reduce
wildlife and livestock carrying capacity and increase the frequency
and extent of wildfi res and associated soil erosion. This book
uses a unique ecoregional and multidisciplinary approach to
evaluate the invasiveness, impacts, and management of the large
Bromus genus. Students, researchers, and practitioners interested
in Bromus specifically and invasive exotics in general will benefit
from the depth of knowledge summarized in the book.
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