Remote Sensing Assessment of Widespread Saltcedar (Tamarix Spp.) Infestation and Biological Control in Northwest Nevada PDF Download
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Author: Charles Conrad Geraci
Publisher:
ISBN:
Category : Invasive plants
Languages : en
Pages : 180
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Book Description
Author: Charles Conrad Geraci
Publisher:
ISBN:
Category : Invasive plants
Languages : en
Pages : 180
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Book Description
Author: Dennis Charles McCarville
Publisher:
ISBN:
Category : Aerial photography in ecology
Languages : en
Pages : 236
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Book Description
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:
Publisher:
ISBN:
Category : Geography
Languages : en
Pages : 708
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Author: Holly Strand
Publisher:
ISBN:
Category : Biodiversity
Languages : en
Pages : 208
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Book Description
"This sourcebook is intended to assist environmental managers and others who work with indicators in pursuing appropriate methods for indicator testing and production, and to offer some guidance to those responsible for the interpretation of indicators and implementation of decisions based on them. Upon reading this document, technical advisers, environmental policy makers, and remote sensing lab directors and project managers should be able to identify specific, relevant uses of remote sensing data for biodiversity monitoring and indicator development related to the CBD." --p. 8.
Author:
Publisher:
ISBN:
Category : Competition (Biology)
Languages : en
Pages : 76
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Book Description
Author: Therese M. Poland
Publisher: Springer Nature
ISBN: 3030453677
Category : Science
Languages : en
Pages : 455
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Book Description
This open access book describes the serious threat of invasive species to native ecosystems. Invasive species have caused and will continue to cause enormous ecological and economic damage with ever increasing world trade. This multi-disciplinary book, written by over 100 national experts, presents the latest research on a wide range of natural science and social science fields that explore the ecology, impacts, and practical tools for management of invasive species. It covers species of all taxonomic groups from insects and pathogens, to plants, vertebrates, and aquatic organisms that impact a diversity of habitats in forests, rangelands and grasslands of the United States. It is well-illustrated, provides summaries of the most important invasive species and issues impacting all regions of the country, and includes a comprehensive primary reference list for each topic. This scientific synthesis provides the cultural, economic, scientific and social context for addressing environmental challenges posed by invasive species and will be a valuable resource for scholars, policy makers, natural resource managers and practitioners.
Author: Etats-Unis. Federal highway administration
Publisher:
ISBN: 9781886679283
Category : Invasive plants
Languages : en
Pages : 394
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Book Description
Author: Khawar Jabran
Publisher: Academic Press
ISBN: 0128098821
Category : Science
Languages : en
Pages : 174
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Book Description
Non-Chemical Weed Control is the first book to present an overview of plant crop protection against non-food plants using non-chemical means. Plants growing wild—particularly unwanted plants found in cultivated ground to the exclusion of the desired crop—have been treated with herbicides and chemical treatments in the past. As concern over environmental, food and consumer safety increases, research has turned to alternatives, including the use of cover crops, thermal treatments and biotechnology to reduce and eliminate unwanted plants. This book provides insight into existing and emerging alternative crop protection methods and includes lessons learned from past methodologies. As crop production resources decline while consumer concerns over safety increase, the effective control of weeds is imperative to insure the maximum possible levels of soil, sunlight and nutrients reach the crop plants. Allows reader to identify the most appropriate solution based on their individual use or case Provides researchers, students and growers with current concepts regarding the use of modern, environment-friendly weed control techniques Presents methods of weed management—an important part of integrated weed management in the future Exploits the knowledge gained from past sustainable weed management efforts
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.
