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DigitalCommons@USU
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Managing scarce water resources and invasive vegetation are common problems in wetlands. A systems model was developed to recommend water allocations and vegetation control actions among diked wetland units that will improve wetland habitat for...
2012-12-01
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Genetic diversity and reproductive mode can control whether an introduced species becomes invasive. Here we use genetic tools to compare the non-native, invasive Phragmites australis to its native conspecific, P. australis subsp. americanus, in...
2012-12-01
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The invasion and expansion of the introduced haplotype of Phragmites australis across North America is of growing concern. Previous studies in the Chesapeake Bay region found that Phragmites was more abundant, had higher foliar nitrogen, and...
2010-01-01
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Part 1 of a video that focuses on the Bear River Basin of Idaho, Utah, and Wyoming, with special emphasis on the Bear River Migratory Bird Refuge which is located at the river's delta in the Great Salt Lake.
2009-11-01
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Contains: Determining the current extent of Phragmites australis in Great Salt Lake wetlands using multi-spectral remote sensing techniques (15 pp) and Phragmites invasion and control in the Great Salt Lake watershed: 2012 land manager survey (26 pp)
2013-01-01
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The rapid expansion of the non-native genotype of Phragmites australis in wetlands in North America has raised questions about what factors control its establishment and whether Phragmites response to these factors varies among populations. We...
2007-08-01
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Background/Question/Methods An exotic haplotype of Phragmites australis is rapidly invading wetlands across North America where it can form large monotypic stands and out-compete native vegetation. In the Chesapeake Bay, Phragmites is more...
2008-08-01
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Background/Question/Methods Phragmites australis is invading wetland communities across the United States and has resulted in declines of native plant and animal diversity and alterations to nutrient cycling. Our objective was to understand how...
2008-08-01
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Utah is experiencing a dramatic invasion of an aggressive European subspecies of the common reed (Phragmites australis subsp. australis). This invasion is threatening recreation resources, wildlife habitat, and native wetland ecosystems. In this...
2009-01-01
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Background/Question/Methods
The introduced haplotype of Phragmites australis is an aggressive invader and has a negative effect on many aspects of wetland ecosystems in North America. In Chesapeake Bay subestuaries it was more abundant and had...
2009-08-01
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This study presents a systems modeling methodology to determine the quantity of water to supply among wetland units to increase ecological performance. Ecological performance is measured by a parameter defined as weighted usable area for wetlands...
2010-01-01
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In prairie wetland restorations, seeds may be limiting plant recolonization but this has never been quantified in the field. We evaluated the seed rain in restored and natural wetlands to determine if seed limitation constrains plant...
2011-04-01
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Carex species, common dominants of wet meadows and widespread in ecosystems in the northern hemisphere, seldom naturally recolonize drained wetlands following hydrologic restoration. We conducted a seedling emergence experiment with five Carex...
2011-04-01
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1. Invasive plants can reduce biodiversity, alter ecosystem functions and have considerable economic impacts. Invasive plant control is therefore the focus of restoration research in invader-dominated ecosystems. Increasing the success of...
2011-08-01
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1. A fundamental challenge to invasion ecology is to determine what factors cause an exotic species to spread rapidly long after the initial introduction. The increase of a resource (e.g. nitrogen) could trigger an expansion, but in other...
2011-10-01
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Aims We use a regional comparison of Phragmites australis (common reed) subsp. americanus, P. australis subsp. berlandieri and introduced P. australis (possibly five sublineages) in the Chesapeake Bay, the St Lawrence River, Utah and the Gulf...
2012-10-01
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Natural and anthropogenic site characteristics play a role in determining the current distribution of invasive plant species. An understanding of these characteristics can be used to prioritize areas for monitoring and control efforts and to...
2013-07-01
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The aim of this research was to determine whether permanent and nonpermanent plots for describing riparian plant communities would yield the same results. This research was conducted at 4 streams in central eastern Idaho. Permanent and...
2013-11-01
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Beginning in 2003, a non-native subspecies of Phragmites australis, a wetland grass, invaded the Platte River in Nebraska, USA. The plants' dense root and rhizome structures caused channel narrowing and increased deposition of fine sediment. We...
2013-11-01
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Successfully managing wetlands requires monitoring changes in plant community composition. We used remote sensing techniques to document the replacement of desirable native wetland vegetation with invasive species in response to catastrophic flood...
2014-02-01
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1. Three common goals for restoration are (i) rapid plant establishment, (ii) long-term plant persistence and (iii) restoration of functioning ecosystems. Restoration practitioners often use cultivars optimized for rapid plant establishment under...
2013-11-28
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During the Anthropocene, the rapid spread of invasive species into new habitats has repeatedly led to major ecosystem change. Invasive species succeed by outcompeting native species or significantly altering the physical or chemical properties of...
2014-06-17
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Species distribution models rely on the assumption that species' distributions are at equilibrium with environmental conditions within a region – i.e. they occur in all suitable habitats. If this assumption holds, species occurrence should be...
2014-01-01
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