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Roads as conduits for exotic plant invasions in a semi-arid landscape. Synopsis: This study examined the effect of road improvement and environmental variables on exotic and native plant diversity in roadside verges and adjacent semi-arid grassland, shrubland, and woodland communities of southern Utah. Researchers measured the cover of exotic and native species in roadside verges and both the richness and cover of exotic and native species in adjacent interior communities (50 meters beyond the edge of the road) along 42 roads stratified by level of road improvement (paved, improved surface, graded, and four-wheel drive track). Exotic species richness and cover were more than 50% greater, and the richness of native species 30% lower, at patch interiors adjacent to paved roads than those... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Colorado Plateau, Land use configuration, Landscape fragmentation, Utah, edge effects, All tags... exotic species, fragmentation, invasive species, linear disturbances, native species, plant diversity, protected grassland, road effects, semi-arid grassland, sub-regional, Fewer tags Publication: The effects of riparian restoration following saltcedar (Tamarix spp.) biocontrol on habitat and herpetofauna along a desert stream Amphibians and reptiles (herpetofauna) have been linked to specific microhabitat characteristics, microclimates, and water resources in riparian forests. Our objective was to relate variation in herpetofauna abundance to changes in habitat caused by a beetle used for Tamarix biocontrol (Diorhabda carinulata; Coleoptera: Chrysomelidae) and riparian restoration. During 2013 and 2014, we measured vegetation and monitored herpetofauna via trapping and visual encounter surveys (VES) at locations affected by biocontrol along the Virgin River in the Mojave Desert of the southwestern United States. Twenty-one sites were divided into four riparian stand types based on density and percent cover of dominant trees (Tamarix,... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-01, AZ-02, AZ-03, AZ-04, All tags... AZ-05, AZ-06, AZ-07, AZ-08, AZ-09, Academics & scientific researchers, Arizona, Arizona, BIOSPHERE, BIOSPHERE, BIOSPHERE, CA-08, CA-36, CA-51, COMMUNITY DYNAMICS, COMMUNITY DYNAMICS, COMMUNITY DYNAMICS, Conservation NGOs, Data.gov Desert LCC, EARTH SCIENCE, EARTH SCIENCE, EARTH SCIENCE, ECOLOGICAL DYNAMICS, ECOLOGICAL DYNAMICS, ECOLOGICAL DYNAMICS, Federal resource managers, INVASIVE SPECIES, INVASIVE SPECIES, INVASIVE SPECIES, Informing Conservation Delivery, LCC Network Science Catalog, Lower Colorado River Basin, NM-02, NM-03, NV-04, Nevada, Nevada, Policy makers & regulators, Population & Habitat Evaluation/Projection, Publication, Publication, UT-02, United States, Utah, Utah, Virgin River, Vulnerability Assessment, amphibians, biocontrol, biota, birds, completed, invasive species, product, reptiles, riparian, tamarisk, tamarisk beetle, Fewer tags Final Report and Publication: From Genotype to River Basin: The combined impacts of climate change on bio-control on a dominant riparian invasive tree/shrub Executive summary: Tamarisk control and removal has become a priority of riparian ecosystem management, due in part to its potential negative impacts on stream flow and groundwater recharge. Among the most controversial, and potentially most effective tamarisk control approaches is the introduction of the tamarisk leaf beetle, Diorhabda carinulata. The beetle has spread throughout virtually the entire upper Colorado River Basin, established major populations at Lake Mead in 2012, and is now poised to expand into the lower Colorado River Basin concordant with documented evolutionary change in beetle developmental response that may enable survival in southern regions. Superimposed on this direct plant/herbivore relationship... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-01, AZ-02, AZ-03, AZ-04, All tags... AZ-05, AZ-06, AZ-07, AZ-08, AZ-09, Arizona, BIOSPHERE, CA-08, CA-36, CA-51, COMMUNITY DYNAMICS, Conservation NGOs, Conservation Planning, Data.gov Desert LCC, Datasets/Database, EARTH SCIENCE, ECOLOGICAL DYNAMICS, Federal resource managers, INVASIVE SPECIES, LCC Network Science Catalog, Lower Colorado River Basin, Map, Methodology/Protocol, Mojave Desert Pilot Area, NM-02, NM-03, NV-04, Nevada, Population & Habitat Evaluation/Projection, Publication, Report, State agencies, UT-02, United States, Utah, Virgin River watershed, Vulnerability Assessment, biota, climate change, completed, drought, genetics, invasive species, phenology, riparian, stream flow, tamarisk, tamarisk leaf beetles, water supply, woody plants, Fewer tags Science Brief for Resource Managers: Effects of Biocontrol and Restoration on Wildlife in Southwestern Riparian Habitats Description: Invasive saltcedar is the third most abundant tree in Southwestern riparian systems. Resource managers must often balance the goals of protecting native wildlife species and habitats with the control of non-native and invasive plants. This project examined the impact of the tamarisk leaf beetle (a biocontrol agent) on amphibian and reptile (herpetofauna) and bird populations and communities along the Virgin River in Utah, Arizona and Nevada.Building on two years of pre-biocontrol monitoring, the researchers tracked changes in herpetofauna communities as the biocontrol entered a system dominated by a non-native plant species. The tamarisk leaf beetle is known to be eaten by several wildlife species.... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, AZ-01, AZ-02, AZ-03, AZ-04, All tags... AZ-05, AZ-06, AZ-07, AZ-08, AZ-09, Academics & scientific researchers, Arizona, Arizona, BIOSPHERE, BIOSPHERE, BIOSPHERE, CA-08, CA-36, CA-51, COMMUNITY DYNAMICS, COMMUNITY DYNAMICS, COMMUNITY DYNAMICS, Conservation NGOs, Data.gov Desert LCC, EARTH SCIENCE, EARTH SCIENCE, EARTH SCIENCE, ECOLOGICAL DYNAMICS, ECOLOGICAL DYNAMICS, ECOLOGICAL DYNAMICS, Federal resource managers, INVASIVE SPECIES, INVASIVE SPECIES, INVASIVE SPECIES, Informing Conservation Delivery, LCC Network Science Catalog, Lower Colorado River Basin, NM-02, NM-03, NV-04, Nevada, Nevada, Policy makers & regulators, Population & Habitat Evaluation/Projection, Publication, Publication, UT-02, United States, Utah, Utah, Virgin River, Vulnerability Assessment, amphibians, amphibians, biocontrol, biocontrol, biota, birds, birds, completed, invasive species, invasive species, product, reptiles, reptiles, riparian, riparian, tamarisk, tamarisk, tamarisk beetle, tamarisk beetle, Fewer tags