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Product Type: Scientific Investigations Report
Year: 2010
Author(s): Shafroth, P.B., C.A. Brown, and D.M. Merritt (eds.)
Suggested Citation:
Shafroth, P.B., C.A. Brown, and D.M. Merritt (eds.). 2010. Saltcedar and Russian Olive control demonstration act science assessment: U.S. Geological Survey Scientific Investigations Report 2009-5247. 143 p.
Additional U.S. Geological Survey Publications are available from USGS Publications Warehouse .
The primary intent of this document is to provide the science assessment called for under The Saltcedar and Russian Olive Control Demonstration Act of 2006 (Public Law 109–320; the Act). A secondary purpose is to provide a common background for applicants for prospective demonstration projects, should funds be appropriated for this second phase of the Act. This document synthesizes the state-of-the-science on the following topics: the distribution and abundance (extent) of saltcedar (Tamarix spp.) and Russian olive (Elaeagnus angustifolia) in the Western United States, potential for water savings associated with controlling saltcedar and Russian olive and the associated restoration of occupied sites, considerations related to wildlife use of saltcedar and Russian olive habitat or restored habitats, methods to control saltcedar and Russian olive, possible utilization of dead biomass following removal of saltcedar and Russian olive, and approaches and challenges associated with revegetation or restoration following control efforts. A concluding chapter discusses possible long-term management strategies, needs for additional study, potentially useful field demonstration projects, and a planning process for on-the-ground projects involving removal of saltcedar and Russian olive...

Background and introduction [Chapter 1]
Distribution and abundance of saltcedar and Russian olive in the western United States [Chapter 2]
Ecosystem effects of environmental flows: Modelling and experimental floods in a dryland river
Restoration and revegetation associated with control of saltcedar and Russian olive [Chapter 7]
Saltcedar and Russian Olive control demonstration act science assessment [Executive Summary]
The potential for water savings through the control of saltcedar and Russian olive
Erosional consequence of saltcedar control
Latitudinal variation in cold hardiness in introduced Tamarix and native Populus
Planning riparian restoration in the context of Tamarix control in western North America
Rethinking avian response to Tamarix on the Lower Colorado River: A threshold hypothesis
Altered stream-flow regimes and invasive plant species: the Tamarix case
Delayed effects of flood control on a flood-dependent riparian forest
Dominance of non-native riparian trees in western USA
Riparian vegetation response to altered disturbance and stress regimes