Treatment of Saltcedar (Tamarix Spp.) PDF Download
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Author: Christopher L. Thompson
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages :
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Book Description
The invasive species Saltcedar is affecting water and land resources throughout the western states of America. Because of great water use capabilities and other ecosystem detriments, Saltcedar has been targeted for treatment. For successful management of Saltcedar, individual landowners need to be aware of the costs and benefits of treating Saltcedar. Eleven of the most commonly reported treatment methods were evaluated for firm level economic feasibility. Evaluated on the basis of treatment cost, treatment effectiveness, Saltcedar water-use, and re-vegetation water-use, a production plan of ten years was created for each treatment method. Some treatment methods required re-treatment and were evaluated with re-treatments most commonly found in the literature. Of the treatment methods evaluated, five treatment methods were determined to be most feasible. Landowner valuation of environmental changes in the ecosystem brought on by Saltcedar is very important in the decision of which treatment method to implement. Personal valuation, over a period of ten years, will often determine which treatment methods are most cost efficient.
Author: Christopher L. Thompson
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages :
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Book Description
The invasive species Saltcedar is affecting water and land resources throughout the western states of America. Because of great water use capabilities and other ecosystem detriments, Saltcedar has been targeted for treatment. For successful management of Saltcedar, individual landowners need to be aware of the costs and benefits of treating Saltcedar. Eleven of the most commonly reported treatment methods were evaluated for firm level economic feasibility. Evaluated on the basis of treatment cost, treatment effectiveness, Saltcedar water-use, and re-vegetation water-use, a production plan of ten years was created for each treatment method. Some treatment methods required re-treatment and were evaluated with re-treatments most commonly found in the literature. Of the treatment methods evaluated, five treatment methods were determined to be most feasible. Landowner valuation of environmental changes in the ecosystem brought on by Saltcedar is very important in the decision of which treatment method to implement. Personal valuation, over a period of ten years, will often determine which treatment methods are most cost efficient.
Author: Rodney G. Lym
Publisher:
ISBN:
Category : Herbicides
Languages : en
Pages : 1
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Book Description
Author: William Grover Noffke
Publisher:
ISBN:
Category : Herbicides
Languages : en
Pages : 244
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Book Description
Author: Robert Richard
Publisher:
ISBN:
Category : Tamarisks
Languages : en
Pages : 34
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Book Description
Author: Martin F. Quigley
Publisher: Oxford University Press
ISBN: 0199898219
Category : Science
Languages : en
Pages : 513
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Book Description
The invasive species Tamarix first attracted the public eye in the 1990's when it was suspected of contributing to widespread drought and wildfires in the Western United States. Once purported to consume as much water as entire cities, very few plant species have received as much scientific, public, and political discussion and debate as Tamarix. Written by 44 of the field's most prominent scholars and scientists, this volume compiles 25 essays on this fascinating species--its biology, ecology, politics, management, and the ethical issues involved with designating a particular species as "good" or "bad". The book analyzes the controversy surrounding the Tamarisk's role in our ecosystems and what should be done about it.
Author: Charles Conrad Geraci
Publisher:
ISBN:
Category : Invasive plants
Languages : en
Pages : 180
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Book Description
Author: William L. Hatler
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 170
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Book Description
Water use by saltcedar (Tamarix spp.), an invasive phreatophyte, is of significant concern in many riparian zones in the western United States. This study analyzed diurnal groundwater fluctuations to estimate evapotranspiration and water salvage in saltcedar stands over a five-year period following herbicide application on the Pecos River in Texas. Seasonal stand-level saltcedar water loss at an untreated control site ranged from 0.42 m/yr - 1.18 m/yr. Seasonal water salvage ranged from 31% four years after treatment to 63% two years after treatment. Significant water savings may be achieved by chemical saltcedar control, dependent upon water use by replacement vegetation and saltcedar re-growth. A re-growth management strategy is essential to maintain long-term water salvage.
Author: Anna Sher
Publisher: Oxford University Press
ISBN: 0199898200
Category : Nature
Languages : en
Pages : 513
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Book Description
Few plant species have had as much combined scientific, public, and political attention as exotic Tamarix spp (tamarisk, saltcedar). 24 essays by 44 authors explore its biology, ecology, politics, history, and management, reflecting the controversy that has arisen around its "invasion" and what should (or should not) be done.
Author: Alissa Marie Berro
Publisher:
ISBN:
Category :
Languages : en
Pages : 99
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Book Description
Saltcedar (Tamarix spp.) covers nearly 86,000 acres in Oklahoma mostly in the western third of the state. A beetle, Diorhabda carinulata (Coleoptera: Chrysomellidae) has been released in nine western states as a biological control agent. The U.S. Fish and Wildlife Service asked that we attempt to introduce the beetle into the Great Salt Plains Wildlife Refuge in Oklahoma, which is infested with saltcedar. We surveyed three saltcedar stands (Lake site, Highway site, Marsh site) from 2009-2010 at the refuge that were selected for their unique ecological characteristics. Our objectives were to compare two sampling methods (vacuum and beat stick) for their capability to assess the diversity of insect predators in different saltcedar-dominated habitats and identify potential arboreal predators of D. carinulata. The results of the survey indicated that several arthropod predators were abundant enough to potentially effect the establishment of D. carinulata. Comparison of insect assemblages between sampling methods revealed that the vacuum sampling technique recovered more overall taxa but neither method recovered all taxa present highlighting the importance of employing multiple sampling methods. The most common insect predators collected were Coccinella septempunctata (Coleoptera: Coccinellidae) in 2010 vacuum samples and Zelus tetracanthus (Hemiptera: Reduviidae) in 2009 vacuum and 2010 beat stick samples. Diversity indices (Shannon Diversity Index and Simpson Diversity Index) indicated that the Lake Site habitat was consistently more species rich than the Highway and Marsh Site. Two coccinellids, C. septempunctata and Hippodamia convergens, were identified as common predators present. We selected these two species for additional lab studies designed to evaluate the suitability of eggs and larvae of D. carinulata as a food source for the adults and larvae of both coccinellids. The studies revealed that D. carinulata is neither a suitable nor an acceptable food source for larval stages of both beetles. Adult lady beetles of both species attacked eggs and first instar D. carinulata larvae, but only one attack was recorded on a D. carinulata life stage beyond first instar. These results indicate that adult C. septempunctata and H. convergens could prove to be a limited predator of D. carinulata eggs and first instar larvae.
Author: Janice Pachorek
Publisher:
ISBN:
Category : Tamarisks
Languages : en
Pages : 58
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Book Description
The invasion by non-native saltcedar (Tamarix L. spp.) has caused enormous damage on native plant and animal communities, especially in riparian ecosystems in areas of the western United States. The main methods of control currently used, mechanical, chemical and manual, have proven to be enormously expensive. In the last few years, biological control using an introduced leaf-eating beetle, Diorhabda elongata, has shown a very high potential for success. Success stories of biological control include saltcedar stands along the Humboldt River in Lovelock, Nevada where this beetle defoliated about 5,000 acres of saltcedar. The Colorado Noxious Weed Act of 1996, the State Weed Law and two bills passed by the 108th Congress have enabled county, city and state governments to utilize and implement management programs to target saltcedar. The intent of this research was to monitor and examine the effects of the chemical and mechanical treatments of saltcedar in Fremont County, Colorado. The results of this research indicate that chemical control has had a significant impact on killing saltcedar from pre-treatment status to post-one-year and post-two-year status. It was found that the Hydroaxe control method cleared areas of stands of saltcedar but new growth appeared form below the cut stump of the plant. Protocol for herbicide control, according to the manufacturer's label, recommends that treated areas should be left undisturbed for approximately three years after application.
