Wind River SeedSupplying Seeds from the Mountains to the Desert |
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Reclamation Custom Mixing Restoration Consultation |
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Why Use Native Species?The use of natives is desirable in most dryland reclamation settings for a number of reasons. In the arid West a number of conditions exist which cause introduced varieties to fail. The frequency of extreme drought, duration of extreme drought and the high frequency of moderate drought render most tame pasture grasses such as orchardgrass, perennial ryegrass and bromegrass very risky solutions to long term problems. Reclamation planners must consider drought to be a virtual certainty when assessing adapted species. There are some introduced varieties such as crested or Siberian wheatgrass which are drought tolerant but which are often unacceptable for other reasons. Ability to tolerate competition with a diverse community is a major drawback to these super aggressive species. Crested wheatgrass will drive out competing species and create monoculture reclamation. Any mono-culture is then vulnerable to environmental stress which could destroy an entire reclamation effort due to disease or other stress. |
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