Search Results - "Dennis. F. Whigham"

Mycorrhizal fungi affect orchid distribution and population dynamics by McCormick, Melissa K., Whigham, Dennis F., Canchani‐Viruet, Armando

“…Symbioses are ubiquitous in nature and influence individual plants and populations. Orchids have life history stages that depend fully or partially on fungi…”
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Cosmopolitan Species As Models for Ecophysiological Responses to Global Change: The Common Reed Phragmites australis by Eller, Franziska, Skálová, Hana, Caplan, Joshua S, Bhattarai, Ganesh P, Burger, Melissa K, Cronin, James T, Guo, Wen-Yong, Guo, Xiao, Hazelton, Eric L G, Kettenring, Karin M, Lambertini, Carla, McCormick, Melissa K, Meyerson, Laura A, Mozdzer, Thomas J, Pyšek, Petr, Sorrell, Brian K, Whigham, Dennis F, Brix, Hans

“…is a cosmopolitan grass and often the dominant species in the ecosystems it inhabits. Due to high intraspecific diversity and phenotypic plasticity, has an…”
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Mechanisms of Phragmites australis invasion: feedbacks among genetic diversity, nutrients, and sexual reproduction by Kettenring, Karin M., McCormick, Melissa K., Baron, Heather M., Whigham, Dennis F.

“…1. A fundamental challenge to invasion ecology is to determine what factors cause an exotic species to spread rapidly long after the initial introduction. The…”
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Ecology of woodland herbs in temperate deciduous forests by Whigham, D.F

“…The diversity of woodland herbs is one of the most striking features of deciduous forests in the temperate zone. Here I review the literature on the ecology of…”
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Restoration of the Mississippi Delta: Lessons from Hurricanes Katrina and Rita by Day, John W. Jr, Boesch, Donald F, Clairain, Ellis J, Kemp, G. Paul, Laska, Shirley B, Mitsch, William J, Orth, Kenneth, Mashriqui, Hassan, Reed, Denise J, Shabman, Leonard, Simenstad, Charles A, Streever, Bill J, Twilley, Robert R, Watson, Chester C, Wells, John T, Whigham, Dennis F

“…Hurricanes Katrina and Rita showed the vulnerability of coastal communities and how human activities that caused deterioration of the Mississippi Deltaic Plain…”
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Hybridization in the Fringed Orchids: An Analysis of Species Boundaries in the Face of Gene Flow by Evans, Simone A, Whigham, Dennis F, Hartvig, Ida, McCormick, Melissa K

“…Natural hybridization between closely related species in sympatry is an evolutionary process that is common in orchids. Once seen as a threat to parent…”
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Linking landscape attributes to salmon and decision-making in the southern Kenai Lowlands, Alaska, USA by Walker, Coowe M., Whigham, Dennis F., Bentz, I. Syverine, Argueta, Jacob M., King, Ryan S., Rains, Mark C., Simenstad, Charles A., Guo, Chris, Baird, Steven J., Field, Conrad J.

“…While Pacific salmon are economically and culturally important worldwide, Alaska, USA is one of the few remaining places on earth where sustainable management…”
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Landscape and site factors drive invasive Phragmites management and native plant recovery across Chesapeake Bay wetlands by Rohal, Christine B., Hazelton, Eric L. G., McFarland, Eliza K., Downard, Rebekah, McCormick, Melissa K., Whigham, Dennis F., Kettenring, Karin M.

“…Successful invasive plant management—where invaders are sufficiently reduced and diverse native plant communities recover—remains an elusive goal for land…”
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Threshold Effects of Coastal Urbanization on Phragmites australis (Common Reed) Abundance and Foliar Nitrogen in Chesapeake Bay by King, Ryan S., William V. Deluca, Dennis. F. Whigham, Marra, Peter P.

“…The invasion of North American tidal marshes by Phragmites australis, or common reed, is a large-scale ecological problem that has been primarily studied at…”
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Compensatory growth of the clonal understory tree, Asimina triloba, in response to small-scale disturbances by Hosaka, Naomi, Kachi, Naoki, Kudoh, Hiroshi, Stuefer, Josef F., Whigham, Dennis F.

“…In hardwood forests, clonal understory trees often develop patches of ramets that are interconnected via root systems. The patches are often partially…”
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Abundance and distribution of Corallorhiza odontorhiza reflect variations in climate and ectomycorrhizae by McCormick, Melissa K, Whigham, Dennis F, O'Neill, John P, Becker, Janie J, Werner, Sarah, Rasmussen, Hanne N, Bruns, Thomas D, Taylor, D. Lee

“…The abundance and reproductive activity of orchids have been linked to variations in weather conditions, but few investigators have examined the relationships…”
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Low‐level addition of dissolved organic carbon increases basal ecosystem function in a boreal headwater stream by Robbins, Caleb J., King, Ryan S., Yeager, Alyse D., Walker, Coowe M., Back, Jeffrey A., Doyle, Robert D., Whigham, Dennis F.

“…Comprehension of basic stream ecosystem function relies on an understanding of aquatic–terrestrial linkages. One major component of such linkages is the…”
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Nitrogen Limitation of Growth and Nutrient Dynamics in a Disturbed Mangrove Forest, Indian River Lagoon, Florida by Feller, Ilka C., Whigham, Dennis F., McKee, Karen L., Lovelock, Catherine E.

“…The objectives of this study were to determine effects of nutrient enrichment on plant growth, nutrient dynamics, and photosynthesis in a disturbed mangrove…”
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Life history strategy in herbaceous perennials: inferring demographic patterns from the aboveground dynamics of a primarily subterranean, myco-heterotrophic orchid by Shefferson, Richard P., McCormick, Melissa K., Whigham, Dennis F., O'Neill, John P.

“…Myco-heterotrophs are non-photosynthetic plants that parasitize mycorrhizal fungi for their nutritional requirements, especially carbon. Because green plants…”
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Comparison of the chemical alteration trajectory of Liriodendron tulipifera L. leaf litter among forests with different earthworm abundance by Filley, Timothy R., McCormick, Melissa K., Crow, Susan E., Szlavecz, Katalin, Whigham, Dennis F., Johnston, Cliff T., van den Heuvel, Ronald N.

“…To investigate the control of earthworm populations on leaf litter biopolymer decay dynamics, we analyzed the residues of Liriodendron tulipifera L. (tulip…”
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Changes in community composition of ammonia-oxidizing betaproteobacteria from stands of Black mangrove (Avicennia germinans) in response to ammonia enrichment and more oxic conditions by Laanbroek, Hendrikus J, Keijzer, Rosalinde M, Verhoeven, Jos T A, Whigham, Dennis F

“…In flooded and non-flooded impounded forests of Black mangrove (Avicennia germinans), the community structure of the ammonia-oxidizing betaproteobacteria…”
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Seed longevity in terrestrial orchids – Potential for persistent in situ seed banks by Whigham, Dennis F., O’Neill, John P., Rasmussen, Hanne N., Caldwell, Bruce A., McCormick, Melissa K.

“…Terrestrial orchids typically produce numerous small seeds that contain very small nutrient reserves. The seeds are structurally adapted for wind dispersal but…”
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Ecological issues related to wetland preservation, restoration, creation and assessment by Whigham, Dennis F

“…A wide range of local, state, federal, and private programs are available to support the national (USA) policy of wetland ‘No Net Loss’. Implementation of…”
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Preface: A themed section honoring the legacy of Dr. Brij Gopal by Padial, Andre A., Whigham, Dennis F., Krauss, Ken, Dangremond, Emily, Thomaz, Sidinei M.

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Reproductive Responses to Increased Shoot Density and Global Change Drivers in a Widespread Clonal Wetland Species, Schoenoplectus americanus by Kudoh, Aoi, Megonigal, J. Patrick, Langley, J. Adam, Noyce, Genevieve L., Sakai, Toshiyuki, Whigham, Dennis F.

“…The expansion of many wetland species is a function of both clonal propagation and sexual reproduction. The production of ramets through clonal propagation…”
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