Search Results - "Umbanhowar, Charles E"

Diversity and distribution of sediment bacteria across an ecological and trophic gradient by Sauer, Hailey M, Hamilton, Trinity L, Anderson, Rika E, Umbanhowar, Jr, Charles E, Heathcote, Adam J

“…The microbial communities of lake sediments have the potential to serve as valuable bioindicators and integrators of watershed land-use and water quality;…”
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Using Relationships Between Vegetation and Surface Soil Biogeochemical Properties to Assess Regional Soil Carbon Inventories for South Baffin Island, Nunavut, Canada by Gunther, Ana B., Camill, Philip, Umbanhowar, Charles E., Stansfield, Alexis, Dethier, Evan N.

“…As Arctic regions warm rapidly, it is unclear whether high‐latitude soil carbon (C) will decrease or increase. Predicting future dynamics of Arctic soil C…”
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Holocene climate change and landscape development from a low-Arctic tundra lake in the western Hudson Bay region of Manitoba, Canada by Camill, Philip, Umbanhowar, Charles E., Jr, Geiss, Christoph, Hobbs, William O, Edlund, Mark B, Shinneman, Avery Cook, Dorale, Jeffrey A, Lynch, Jason

“…The low-Arctic region of western Hudson Bay in interior Canada is one of the most poorly described areas of North America in terms of Holocene climate history…”
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Regional fire history based on charcoal analysis of sediments from nine lakes in western Mongolia by Umbanhowar, Charles E., Shinneman, Avery L.C., Tserenkhand, Gundsambuu, Hammon, Elizabeth R., Lor, Pao, Nail, Kelly

“…Fires are common in grassland regions of the world, and the frequency and severity of fire is linked to climate-driven changes in fuel loads. Western Mongolia…”
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Shallow lake response to Holocene climate variation in south-central Minnesota, USA by Tennent, E Rae, Maxbauer, Daniel P, Umbanhowar, Charles E

“…Sedimentary deposits in lakes across the upper Midwest record the co-evolution of climate and biogeochemistry since the retreat of the Laurentide Ice Sheet at…”
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Improving the efficiency of sediment charcoal image analysis by Umbanhowar, Charles E, Umbanhowar, James A

“…Imaging of charcoal particles extracted from lake sediments provides an important way to understand past fire regimes. Imaging of large numbers of particles…”
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Landscape heterogeneity and response of lake ecosystems to changes in climate and peatland expansion over the past 7500 years at the tundra-forest border of northern Manitoba, Canada by Umbanhowar, Charles E, Camill, Philip, Edlund, Mark, Hobbs, Will O, Geiss, Christoph, Stefanova, Vania, Lynch, Jason A

“…Responses of Arctic lakes to climate change are complex and heterogeneous at regional to local scales, but there are few studies comparing multiple sites…”
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Diatom assemblages reveal regional-scale differences in lake responses to recent climate change at the boreal-tundra ecotone, Manitoba, Canada by Shinneman, Avery L. C., Umbanhowar, Charles E., Edlund, Mark B., Hobbs, William O., Camill, Philip, Geiss, Christoph

“…The direction of pan-Arctic ecosystem shifts in response to climate warming is relatively well understood; however, landscape-level linkages among terrestrial,…”
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Charles A. Geyer Agricultural Botanical Survey of 1838-1839: A Comparison of the Composition of Minnesota Prairies Then and Now by Umbanhowar, Charles E.

“…Prairie remnants often serve as targets for restoration despite little knowledge of how they have altered over the past + 150 years due to changes in the…”
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Regional heterogeneity and the effects of land use and climate on 20 lakes in the big woods region of Minnesota by Umbanhowar, Charles E., Camill, Philip, Dorale, Jeffrey A.

“…Few studies have assessed the relative importance of landscape, land use history, climate, and regional heterogeneity on lake ecosystem processes, despite the…”
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The initiation and development of small peat‐forming ecosystems adjacent to lakes in the north central Canadian low arctic during the Holocene by Camill, Philip, Umbanhowar, Charles E., Geiss, Christoph, Edlund, Mark B., Hobbs, Will O., Dupont, Allison, Doyle‐Capitman, Catherine, Ramos, Matthew

“…Small peat‐forming ecosystems in arctic landscapes may play a significant role in the regional biogeochemistry of high‐latitude systems, yet they are…”
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Paleolimnologic Evidence for Recent Eutrophication in the Valley of the Great Lakes (Mongolia) by Shinneman, Avery L. C, Almendinger, James E, Umbanhowar, Charles E, Edlund, Mark B, Nergui, Soninkhishig

“…Climate warming and major land-use changes have profoundly affected the Mongolian landscape in the past several decades. Previous studies have recognized the…”
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Interaction of fire, climate and vegetation change at a large landscape scale in the Big Woods of Minnesota, USA by Umbanhowar, Charles E.

“…The Big Woods region of Minnesota is on the prairie-forest border and is a much studied model for the interaction of climate, fire and vegetation. The purpose…”
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Late-Holocene moisture balance inferred from diatom and lake sediment records in western Mongolia by Shinneman, Avery L.C., Umbanhowar, Charles E., Edlund, Mark B., Soninkhishig, N.

“…The Valley of the Great Lakes in western Mongolia is a unique ecosystem comprising a wide variety of terrestrial and aquatic habitats. Relatively little is…”
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Late-Glacial and Holocene Climatic Effects on Fire and Vegetation Dynamics at the Prairie-Forest Ecotone in South-Central Minnesota by Camill, Philip, Umbanhowar, Charles E., Teed, Rebecca, Geiss, Christoph E., Aldinger, Jessica, Dvorak, Leah, Kenning, Jon, Limmer, Jacob, Walkup, Kristina

“…1 Treeline ecotones, such as the prairie-forest boundary, represent climatically sensitive regions where the relative abundance of vegetation types is…”
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Interactions of climate and fire at two sites in the northern Great Plains, USA by Umbanhowar, Charles E

“…The relationship of fire and climate in explaining the origin and maintenance of the grasslands of the northern Great Plains has long been of interest. I…”
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Sediment magnetic properties reveal holocene climate change along the Minnesota prairie-forest ecotone by Geiss, Christoph E, Umbanhowar, Charles E, Camill, Phil, Banerjee, Subir K

“…We propose a model that explains variations in magnetic parameters of lake sediments as a record of Holocene climate change. Our model is based on records from…”
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Holocene evolution of lakes in the forest-tundra biome of northern Manitoba, Canada by Hobbs, William O., Edlund, Mark B., Umbanhowar, Charles E., Camill, Philip, Lynch, Jason A., Geiss, Christoph, Stefanova, Vania

“…The late-Quaternary paleoenvironmental history of the western Hudson Bay region of Subarctic Canada is poorly constrained. Here, we present a regional overview…”
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Charles A. Geyer Agricultural Botanical Survey of 1838–1839: A Comparison of the Composition of Minnesota Prairies Then and Now by Umbanhowar, Charles E

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The Reading Palaeofire Database: an expanded global resource to document changes in fire regimes from sedimentary charcoal records by Harrison, Sandy P, Villegas-Diaz, Roberto, Cruz-Silva, Esmeralda, Gallagher, Daniel, Kesner, David, Lincoln, Paul, Shen, Yicheng, Sweeney, Luke, Colombaroli, Daniele, Ali, Adam, Barhoumi, Chéïma, Bergeron, Yves, Blyakharchuk, Tatiana, Bobek, PÅemysl, Bradshaw, Richard, Clear, Jennifer L, CzerwiÅski, Sambor, Daniau, Anne-Laure, Dodson, John, Edwards, Kevin J, Edwards, Mary E, Feurdean, Angelica, Foster, David, Gajewski, Konrad, Galka, Mariusz, Garneau, Michelle, Giesecke, Thomas, Gil Romera, Graciela, Girardin, Martin P, Hoefer, Dana, Huang, Kangyou, Inoue, Jun, Jamrichová, Eva, Jasiunas, Nauris, Jiang, Wenying, Jiménez-Moreno, Gonzalo, KarpiÅska-Kolaczek, Monika, Kolaczek, Piotr, Kuosmanen, Niina, Lamentowicz, Mariusz, Lavoie, Martin, Li, Fang, Li, Jianyong, Lisitsyna, Olga, López-Sáez, José Antonio, Luelmo-Lautenschlaeger, Reyes, Magnan, Gabriel, Magyari, Eniko Katalin, Maksims, Alekss, Marcisz, Katarzyna, Marinova, Elena, Marlon, Jenn, Mensing, Scott, Miroslaw-Grabowska, Joanna, Oswald, Wyatt, Pérez-Díaz, Sebastián, Pérez-Obiol, Ramón, Piilo, Sanna, Poska, Anneli, Qin, Xiaoguang, Remy, Cécile C, Richard, Pierre J. H, Salonen, Sakari, Sasaki, Naoko, Schneider, Hieke, Shotyk, William, Stancikaite, Migle, Steinberga, Dace, Stivrins, Normunds, Takahara, Hikaru, Tan, Zhihai, Trasune, Liva, Umbanhowar, Charles E, Väliranta, Minna, Vassiljev, Jüri, Xiao, Xiayun, Xu, Qinghai, Xu, Xin, Zawisza, Edyta, Zhao, Yan, Zhou, Zheng, Paillard, Jordan

“…Sedimentary charcoal records are widely used to reconstruct regional changes in fire regimes through time in the geological past. Existing global compilations…”
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