Search Results - "Landis, DA"

Landscape diversity enhances biological control of an introduced crop pest in the north-central USA by Gardiner, M.M, Landis, D.A, Gratton, C, DiFonzo, C.D, O'Neal, M, Chacon, J.M, Wayo, M.T, Schmidt, N.P, Mueller, E.E, Heimpel, G.E

“…Arthropod predators and parasitoids provide valuable ecosystem services in agricultural crops by suppressing populations of insect herbivores. Many natural…”
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Predators exert top-down control of soybean aphid across a gradient of agricultural management systems by Costamagna, Alejandro C., Landis, Douglas A.

“…The discovery of soybean aphid, Aphis glycines Matusumura, in North America in 2000 provided the opportunity to investigate the relative strength of top-down…”
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Attractiveness of Michigan Native Plants to Arthropod Natural Enemies and Herbivores by Fiedler, A K, Landis, DA

“…The use of plants to provide nectar and pollen resources to natural enemies through habitat management is a growing focus of conservation biological control…”
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Oak savanna management strategies and their differential effects on vegetative structure, understory light, and flowering forbs by Lettow, M.C., Brudvig, L.A., Bahlai, C.A., Landis, D.A.

“…•Burn only management in fire-suppressed oak savanna did not significantly alter light availability, canopy or ground cover.•Thin and burn savanna management…”
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Reducing Native Ant Abundance Decreases Predation Rates in Midwestern Grasslands by Wills, B. D, Kim, T. N, Fox, A. F, Gratton, C, Landis, D. A

“…Diverse and robust predator communities are important for effective prey suppression in natural and managed communities. Ants are ubiquitous components of…”
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Habitat Management to Conserve Natural Enemies of Arthropod Pests in Agriculture by Landis, Douglas A, Wratten, Stephen D, Gurr, Geoff M

“…Many agroecosystems are unfavorable environments for natural enemies due to high levels of disturbance. Habitat management, a form of conservation biological…”
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Suppression of soybean aphid by generalist predators results in a trophic cascade in soybeans by Costamagna, Alejandro C., Landis, Douglas A., Difonzo, Christina D.

“…Top-down regulation of herbivores in terrestrial ecosystems is pervasive and can lead to trophic cascades that release plants from herbivory. Due to their…”
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Landscape composition influences patterns of native and exotic lady beetle abundance by Gardiner, M.M, Landis, D.A, Gratton, C, Schmidt, N, O'Neal, M, Mueller, E, Chacon, J, Heimpel, G.E, DiFonzo, C.D

“…Coccinellid beetles are important predators that contribute to pest suppression in agricultural landscapes. Since the introduction of the exotic coccinellids…”
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Plant Characteristics Associated with Natural Enemy Abundance at Michigan Native Plants by Fiedler, A K, Landis, DA

“…Habitat management is a type of conservation biological control that focuses on increasing natural enemy populations by providing them with plant resources…”
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Landscape composition influences the activity density of Carabidae and Arachnida in soybean fields by Gardiner, M.M., Landis, D.A., Gratton, C., Schmidt, N., O’Neal, M., Mueller, E., Chacon, J., Heimpel, G.E.

“…The distribution and abundance of semi-natural and crop habitats within agricultural landscapes is likely to greatly influence population dynamics of…”
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Manipulating plant resources to enhance beneficial arthropods in agricultural landscapes by Landis, Douglas A., Menalled, Fabián D., Costamagna, Alejandro C., Wilkinson, Tammy K.

“…Annual crop fields typically are simple habitats dominated by a few plant species where pesticides play a major role in managing weed and insect infestations…”
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Phenology and dispersal of Larinus minutus Gyllenhal and Larinus obtusus Gyllenhal (Coleoptera: Curculionidae), two biological control agents of Centaurea stoebe ssp. micranthos (spotted knapweed) in Michigan by Carson, B.D., Landis, D.A.

“…[Display omitted] •We monitored the phenology and dispersal of Larinus spp. populations in Michigan.•Adults were present in easily detectable densities from…”
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Impact of intraguild predation by adult Harmonia axyridis (Coleoptera: Coccinellidae) on Aphis glycines (Hemiptera: Aphididae) biological control in cage studies by Gardiner, M.M., Landis, D.A.

“…The soybean aphid, Aphis glycines Matsumura, has become a principal arthropod pest of soybean in the U.S. since its first detection in 2000. This species…”
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Demographic models inform selection of biocontrol agents for garlic mustard (Alliaria petiolata) by Davis, Adam S., Landis, Douglas A., Nuzzo, Victoria, Blossey, Bernd, Gerber, Esther, Hinz, Hariet L.

“…Nonindigenous invasive plants pose a major threat to natural communities worldwide. Biological control of weeds via selected introduction of their natural…”
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An Inexpensive, Accurate Method for Measuring Leaf Area and Defoliation Through Digital Image Analysis by O’Neal, Matthew E, Landis, Douglas A, Isaacs, Rufus

“…We report a protocol using a common desk-top scanner and public domain software for measuring existing leaf area and leaf area removed as a result of…”
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Comparison of sampling methods of Aphis glycines predators across the diel cycle by Woltz, J. M, Landis, D. A

“…Nocturnal predators are often overlooked in biological control studies, despite evidence that they can make important contributions to insect pest suppression…”
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Soybean Aphid Predators and Their Use in Integrated Pest Management by Rutledge, Claire E, O’Neil, Robert J, Fox, Tyler B, Landis, Douglas A

“…The discovery of the soybean aphid, Aphis glycines Matsumura, in U.S. soybean production systems in 2000 has provided a unique opportunity to study the…”
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The importance of space, time, and stochasticity to the demography and management of Alliaha petiolata by Evans, JA, Davis, A S, Raghu, S, Ragavendran, A, Landis, DA, Schemske, D W

“…As population modeling is increasingly called upon to guide policy and management, it is important that we understand not only the central tendencies of our…”
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The RHESSI Spectrometer by Smith, Dm, Lin, Rp, Turin, P, Curtis, Dw, Primbsch, Jh, Campbell, Rd, Abiad, R, Schroeder, P, Cork, Cp, Hull, El, Landis, Da, Madden, Nw, Malone, D, Pehl, Rh, Raudorf, T, Sangsingkeow, P, Boyle, R, Banks, Is, Shirey, K, Schwartz, Richard

“…Issue Title: Topical Issue: The Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI) - Mission Description and Early Results RHESSI observes solar…”
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Potential for biotic interference of a classical biological control agent of the soybean aphid by Chacón, J.M., Landis, D.A., Heimpel, G.E.

“…The degree to which resident biota can inhibit the ability of an introduced biological control agent to establish and be effective is termed biotic…”
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