Search Results - "Ryan, Geraldine D"

meta‐analytical review of the effects of elevated CO2 on plant–arthropod interactions highlights the importance of interacting environmental and biological variables by Robinson, Emily A, Ryan, Geraldine D, Newman, Jonathan A

“…CONTENTS: Summary 321 I. Introduction 322 II. Methods 323 III. Herbivore responses to elevated CO2 328 IV. Plant responses 329 V. Searching for general…”
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North American invasion of Spotted-Wing Drosophila (Drosophila suzukii): A mechanistic model of population dynamics by Langille, Aaron B., Arteca, Ellen M., Ryan, Geraldine D., Emiljanowicz, Lisa M., Newman, Jonathan A.

“…•A mechanistic continuous time model of Drosophila suzukii population dynamics is presented.•Temperature, reproductive diapause and host fruit quality…”
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Development, Reproductive Output and Population Growth of the Fruit Fly Pest Drosophila suzukii (Diptera: Drosophilidae) on Artificial Diet by Emiljanowicz, Lisa M., Ryan, Geraldine D., Langille, Aaron, Newman, Jonathan

“…Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is a fruit pest of Asian origin that invaded North America in 2008. Despite the widespread economic…”
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Thermal Tolerances of the Spotted-Wing Drosophila Drosophila suzukii (Diptera: Drosophilidae) by Ryan, Geraldine D, Emiljanowicz, Lisa, Wilkinson, Francesca, Kornya, Melanie, Newman, Jonathan A

“…The spotted-wing drosophila (Drosophila suzukii Matsumura) is an invasive species of Asian origin that is now widely distributed in North America and Europe…”
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Effects of elevated CO₂ on competition between native and invasive grasses by Hager, Heather A., Ryan, Geraldine D., Newman, Jonathan A.

“…Elevated atmospheric CO₂ concentration increases the performance of invasive plants relative to natives when grown in monoculture, but it is unclear how that…”
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Metabolite analysis of the effects of elevated CO2 and nitrogen fertilization on the association between tall fescue (Schedonorus arundinaceus) and its fungal symbiont Neotyphodium coenophialum by RYAN, GERALDINE D., RASMUSSEN, SUSANNE, XUE, HONG, PARSONS, ANTHONY J., NEWMAN, JONATHAN A.

“…Atmospheric CO2 is expected to increase to between 550 ppm and 1000 ppm in the next century. CO2‐induced changes in plant physiology can have ecosystem‐wide…”
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Leatherback turtles: The menace of plastic by Mrosovsky, N., Ryan, Geraldine D., James, Michael C.

“…The leatherback, Dermochelys coriacea, is a large sea turtle that feeds primarily on jellyfish. Floating plastic garbage could be mistaken for such prey…”
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Competition between foliar Neotyphodium lolii endophytes and mycorrhizal "Glomus" spp. fungi in Lolium perenne depends on resource supply and host carbohydrate content by Liu, Qianhe, Parsons, Anthony J., Xue, Hong, Fraser, Karl, Ryan, Geraldine D., Newman, Jonathan A., Rasmussen, Susanne

“…1. Cool-season grasses can be simultaneously infected by foliar fungal endophytes and colonised by mycorrhizal fungi, the integrated functions of which are…”
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Effects of elevated CO2 on photosynthetic traits of native and invasive C3 and C4 grasses by Hager, Heather A, Ryan, Geraldine D, Kovacs, Hajnal M, Newman, Jonathan A

“…Rising CO2 is expected to result in changes in plant traits that will increase plant productivity for some functional groups. Differential plant responses to…”
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Towards an understanding of how phloem amino acid composition shapes elevated CO2-induced changes in aphid population dynamics by RYAN, GERALDINE D., SYLVESTER, EMMA V. A., SHELP, BARRY J., NEWMAN, JONATHAN A.

“…1. The performance of foliage feeders tends to decrease under elevated CO2, but the responses of phloem‐feeding insects have been much more equivocal. As…”
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Aphid and host-plant genotype × genotype interactions under elevated CO2 by RYAN, GERALDINE D., EMILJANOWICZ, LISA, HÄRRI, SIMONE A., NEWMAN, JONATHAN A.

“…1. Elevated CO2 can alter plant physiology and morphology, and these changes are expected to impact diet quality for insect herbivores. While the plastic…”
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Phloem phytochemistry and aphid responses to elevated CO₂, nitrogen fertilization and endophyte infection by Ryan, Geraldine D, Shukla, Kruti, Rasmussen, Susanne, Shelp, Barry J, Newman, Jonathan A

“…Rising atmospheric CO₂ has been shown to alter plant nitrogen metabolism, growth and secondary chemistry. We hypothesized that altered aphid performance under…”
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Transcript profiling of fructan biosynthetic pathway genes reveals association of a specific fructosyltransferase isoform with the high sugar trait in Lolium perenne by Rasmussen, Susanne, Parsons, Anthony J., Xue, Hong, Liu, Qianhe, Jones, Christopher S., Ryan, Geraldine D., Newman, Jonathan A.

“…Lolium perenne cultivars with elevated levels of fructans in leaf blades (high sugar-content grasses) have been developed to improve animal nutrition and…”
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A meta‐analytical review of the effects of elevated CO 2 on plant–arthropod interactions highlights the importance of interacting environmental and biological variables by Robinson, Emily A., Ryan, Geraldine D., Newman, Jonathan A.

“…Summary We conducted the most extensive meta‐analysis of plant and animal responses to elevated CO 2 to date. We analysed > 5000 data points extracted from 270…”
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Effects of elevated CO.sub.2 on competition between native and invasive grasses by Hager, Heather A, Ryan, Geraldine D, Newman, Jonathan A

“…Elevated atmospheric CO.sub.2 concentration increases the performance of invasive plants relative to natives when grown in monoculture, but it is unclear how…”
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Effects of elevated CO 2 on competition between native and invasive grasses by Hager, Heather A, Ryan, Geraldine D, Newman, Jonathan A

“…Elevated atmospheric CO concentration increases the performance of invasive plants relative to natives when grown in monoculture, but it is unclear how that…”
Get full text

Development, Reproductive Output and Population Growth of the Fruit Fly Pest Drosophila suzukii (Diptera: Drosophilidae) on Artificial Diet by Emiljanowicz, Lisa M, Ryan, Geraldine D, Langille, Aaron, Newman, Jonathan

“…Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is a fruit pest of Asian origin that invaded North America in 2008. Despite the widespread economic…”
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Metabolite analysis of the effects of elevated CO 2 and nitrogen fertilization on the association between tall fescue ( S chedonorus arundinaceus ) and its fungal symbiont N eotyphodium coenophialum by RYAN, GERALDINE D., RASMUSSEN, SUSANNE, XUE, HONG, PARSONS, ANTHONY J., NEWMAN, JONATHAN A.

“…Abstract Atmospheric CO 2 is expected to increase to between 550 ppm and 1000 ppm in the next century. CO 2 ‐induced changes in plant physiology can have…”
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Towards an understanding of how phloem amino acid composition shapes elevated CO 2 ‐induced changes in aphid population dynamics by RYAN, GERALDINE D., SYLVESTER, EMMA V. A., SHELP, BARRY J., NEWMAN, JONATHAN A.

“…1. The performance of foliage feeders tends to decrease under elevated CO 2 , but the responses of phloem‐feeding insects have been much more equivocal. As…”
Get full text

Aphid and host‐plant genotype × genotype interactions under elevated CO 2 by RYAN, GERALDINE D., EMILJANOWICZ, LISA, HÄRRI, SIMONE A., NEWMAN, JONATHAN A.

“…1. Elevated CO 2 can alter plant physiology and morphology, and these changes are expected to impact diet quality for insect herbivores. While the plastic…”
Get full text