Search Results - "Mattson, William J"

Laboratory Performance of Two Polyphagous Invasive Weevils on the Predominant Woody Plant Species of a Northern Hardwood Community by Coyle, David R, Mattson, William J, Raffa, Kenneth F

“…A complex of invasive weevils that consume roots as larvae and foliage as adults have become established in northern hardwood forests in North America. We…”
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Physical effects of weather events on the abundance and diversity of insects in North American forests by Gandhi, Kamal J.K, Gilmore, Daniel W, Katovich, Steven A, Mattson, William J, Spence, John R, Seybold, Steven J

“…We summarize the effects of major weather events such as ice storms, wind storms, and flooding on the abundance and diversity of terrestrial forest insects and…”
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Variable host phenology does not pose a barrier to invasive weevils in a northern hardwood forest by Coyle, David R., Mattson Jr, William J., Jordan, Michelle S., Raffa, Kenneth F.

“…1 A suite of invasive weevils has established in hardwood forests of the North American Great Lakes Region. We quantified patterns of host availability and the…”
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The Role of Drought in Outbreaks of Plant-Eating Insects by Mattson, William J., Haack, Robert A.

“…The authors present a holistic conceptual model to explain how drought may provoke insect outbreaks. Their hypotheses assume that insect responses to drought…”
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Effects of Elevated CO2 Leaf Diets on Gypsy Moth (Lepidoptera: Lymantriidae) Respiration Rates by Foss, Anita R, Mattson, William J, Trier, Terry M

“…Elevated levels of CO2 affect plant growth and leaf chemistry, which in turn can alter host plant suitability for insect herbivores. We examined the…”
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Catastrophic windstorm and fuel-reduction treatments alter ground beetle (Coleoptera: Carabidae) assemblages in a North American sub-boreal forest by Gandhi, Kamal J.K., Gilmore, Daniel W., Katovich, Steven A., Mattson, William J., Zasada, John C., Seybold, Steven J.

“…We studied the short-term effects of a catastrophic windstorm and subsequent salvage-logging and prescribed-burning fuel-reduction treatments on ground beetle…”
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Application of Semiochemicals to Assess the Biodiversity of Subcortical Insects following an Ecosystem Disturbance in a Sub-boreal Forest by Gandhi, Kamal J. K, Gilmore, Daniel W, Haack, Robert A, Katovich, Steven A, Krauth, Steven J, Mattson, William J, Zasada, John C, Seybold, Steven J

“…From 2000 through 2003 we used semiochemical-baited traps in northeastern Minnesota, USA, to assess changes in assemblages of subcortical forest insects after…”
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Effects of nutrient availability on biomass allocation as well as constitutive and rapid induced herbivore resistance in poplar by Glynn, Carolyn, Herms, Daniel A., Egawa, Marie, Hansen, Robert, Mattson, William J.

“…Many studies have examined effects of nutrient availability on constitutive herbivore resistance of plants, but few have addressed effects on expression of…”
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Biology and management of insect pests in North American intensively managed hardwood forest systems by Coyle, D.R, Nebeker, T.E, Hart, E.R, Mattson, W.J

“…Increasing demand for wood and wood products is putting stress on traditional forest production areas, leading to long-term economic and environmental…”
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Rapid induced resistance and host species effects on gypsy moth, Lymantria dispar (L.): Implications for outbreaks on three tree species in the boreal forest by Roden, David B., Mattson, William J.

“…Field pupal weight, development time, and survival of gypsy moth, Lymantria dispar (L.), larvae on three defoliated (50%) and undefoliated tree species that…”
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Divergent biogeography of native and introduced soil macroinvertebrates in North America north of Mexico by Lilleskov, Erik A., Mattson, William J., Storer, Andrew J.

“…To improve understanding of the biogeographical consequences of species introduction, we examined whether introduced soil macroinvertebrates differ from…”
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Responses of an insect folivore and its parasitoids to multiyear experimental defoliation of aspen by Parry, Dylan, Herms, Daniel A., Mattson, William J.

“…Foliage quality may decline in deciduous trees following defoliation, thus affecting the insect generation responsible for the herbivory (rapid induced…”
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Legacy Effects of Low N Diets on a Vernal Folivore: Deprivation Leads to Gluttony by Trier, Terry M, Mattson, William J

“…We tested for legacy effects of low-N diets offered to newly emerged second-instar spruce budworm (Choristoneura fumiferana) larvae for a duration of either…”
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Insecticidal Fatty Acids and Triglycerides from Dirca palustris by Ramsewak, Russel S, Nair, Muraleedharan G, Murugesan, Sorimuthu, Mattson, William J, Zasada, John

“…Five compounds, 1−5, were isolated from the seed hexane extract of Dirca palustris. Compounds 1−3 were triglycerides, and 4 and 5 were linoleic and oleic…”
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Diet-Induced Thermogenesis in Insects: A Developing Concept in Nutritional Ecology by Trier, Terry M, Mattson, William J

“…Diet-induced thermogenesis (DIT) is a concept that has been well known in one form or another for more than a century in vertebrate nutrition and physiological…”
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Invasion of North American forests by European phytophagous insects by Niemela, P. (University of Joensuu, Joensuu, Finland.), Mattson, W.J

“…The introduction of foreign insect species in North America has affected ecological systems within the said region. These phytophagous insects originated…”
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Rapid Quantification of Proanthocyanidins (Condensed Tannins) with a Continuous Flow Analyzer by Nitao, James K, Birr, Bruce A, Nair, Muraleedharan G, Herms, Daniel A, Mattson, William J

“…Proanthocyanidins (condensed tannins) frequently need to be quantified in large numbers of samples in food, plant, and environmental studies. An automated…”
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Effects of Elevated Co 2 Leaf Diets on Gypsy Moth (Lepidoptera: Lymantriidae) Respiration Rates by Foss, Anita R., Mattson, William J., Trier, Terry M.

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Effects of Elevated CO2 Leaf Diets on Gypsy Moth (Lepidoptera: Lymantriidae) Respiration Rates by Foss, Anita R, Mattson, William J, Trier, Terry M

“…Elevated levels of CO2 affect plant growth and leaf chemistry, which in turn can alter host plant suitability for insect herbivores. We examined the…”
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Phytophagous Insects as Regulators of Forest Primary Production by Mattson, William J., Addy, Norton D.

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