Search Results - "Hobbie, Erik A"

Nitrogen isotopes link mycorrhizal fungi and plants to nitrogen dynamics by Hobbie, Erik A, Högberg, Peter

“…In this review, we synthesize field and culture studies of the 15N/14N (expressed as δ15N) of autotrophic plants, mycoheterotrophic plants, parasitic plants,…”
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Atmospheric nitrogen deposition impacts on the structure and function of forest mycorrhizal communities: A review by Lilleskov, Erik A., Kuyper, Thomas W., Bidartondo, Martin I., Hobbie, Erik A.

“…Humans have dramatically increased atmospheric nitrogen (N) deposition globally. At the coarsest resolution, N deposition is correlated with shifts from…”
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Nitrogen isotopes in ectomycorrhizal sporocarps correspond to belowground exploration types by Hobbie, Erik A, Agerer, Reinhard

“…Nitrogen isotope values (δ¹⁵N) are higher in ectomycorrhizal fungi than in their plant hosts but the wide variability in δ¹⁵N among sporocarps of different…”
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Redefining fine roots improves understanding of below-ground contributions to terrestrial biosphere processes by McCormack, M. Luke, Dickie, Ian A., Eissenstat, David M., Fahey, Timothy J., Fernandez, Christopher W., Guo, Dali, Helmisaari, Heljä‐Sisko, Hobbie, Erik A., Iversen, Colleen M., Jackson, Robert B., Leppälammi‐Kujansuu, Jaana, Norby, Richard J., Phillips, Richard P., Pregitzer, Kurt S., Pritchard, Seth G., Rewald, Boris, Zadworny, Marcin

“…Fine roots acquire essential soil resources and mediate biogeochemical cycling in terrestrial ecosystems. Estimates of carbon and nutrient allocation to build…”
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Reevaluating trophic discrimination factors (Δδ13C and Δδ15N) for diet reconstruction by Stephens, Ryan B., Ouimette, Andrew P., Hobbie, Erik A., Rowe, Rebecca J.

“…Stable isotope analysis is increasingly being used to assess diet and trophic positions of animals. Such assessments require estimates of trophic…”
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Intramolecular, compound-specific, and bulk carbon isotope patterns in C3 and C4 plants: a review and synthesis. [Erratum: 2004 Apr., v. 162, no. 1, p. 240.] by Hobbie, E.A, Werner, R.A

“…Studies using carbon isotope differences between C3 and C4 photosynthesis to calculate terrestrial productivity or soil carbon turnover assume that…”
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Retention of deposited ammonium and nitrate and its impact on the global forest carbon sink by Gurmesa, Geshere Abdisa, Wang, Ang, Li, Shanlong, Peng, Shushi, de Vries, Wim, Gundersen, Per, Ciais, Philippe, Phillips, Oliver L., Hobbie, Erik A., Zhu, Weixing, Nadelhoffer, Knute, Xi, Yi, Bai, Edith, Sun, Tao, Chen, Dexiang, Zhou, Wenjun, Zhang, Yiping, Guo, Yingrong, Zhu, Jiaojun, Duan, Lei, Li, Dejun, Koba, Keisuke, Du, Enzai, Zhou, Guoyi, Han, Xingguo, Han, Shijie, Fang, Yunting

“…The impacts of enhanced nitrogen (N) deposition on the global forest carbon (C) sink and other ecosystem services may depend on whether N is deposited in…”
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Microbes in nature are limited by carbon and energy: the starving-survival lifestyle in soil and consequences for estimating microbial rates by Hobbie, John E, Hobbie, Erik A

“…Understanding microbial transformations in soils is important for predicting future carbon sequestration and nutrient cycling. This review questions some…”
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Mature conifers assimilate nitrate as efficiently as ammonium from soils in four forest plantations by Zhou, Xulun, Wang, Ang, Hobbie, Erik A., Zhu, Feifei, Qu, Yuying, Dai, Luming, Li, Dejun, Liu, Xueyan, Zhu, Weixing, Koba, Keisuke, Li, Yinghua, Fang, Yunting

“…Summary Conifers are considered to prefer to take up ammonium (NH4+) over nitrate (NO3−). However, this conclusion is mainly based on hydroponic experiments…”
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Dynamics and multi‐annual fate of atmospherically deposited nitrogen in montane tropical forests by Wang, Ang, Chen, Dexiang, Phillips, Oliver L., Gundersen, Per, Zhou, Xulun, Gurmesa, Geshere A., Li, Shanlong, Zhu, Weixing, Hobbie, Erik A., Wang, Xueyan, Fang, Yunting

“…The effects of nitrogen (N) deposition on forests largely depend on its fate after entering the ecosystem. While several studies have addressed the forest fate…”
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Mycena species can be opportunist-generalist plant root invaders by Harder, Christoffer Bugge, Hesling, Emily, Botnen, Synnøve S, Lorberau, Kelsey E, Dima, Bálint, von Bonsdorff-Salminen, Tea, Niskanen, Tuula, Jarvis, Susan G, Ouimette, Andrew, Hester, Alison, Hobbie, Erik A, Taylor, Andy F S, Kauserud, Håvard

“…Traditional strict separation of fungi into ecological niches as mutualist, parasite or saprotroph is increasingly called into question. Sequences of assumed…”
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Uptake Patterns of Glycine, Ammonium, and Nitrate Differ Among Four Common Tree Species of Northeast China by Zhu, Feifei, Dai, Luming, Hobbie, Erik A, Koba, Keisuke, Liu, Xueyan, Gurmesa, Geshere A, Huang, Shaonan, Li, Shanlong, Li, Yinghua, Han, Shijie, Fang, Yunting

“…Fundamental questions of how plant species within secondary forests and plantations in northeast China partition limited nitrogen (N) resource remain unclear…”
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Pulsed resource availability changes dietary niche breadth and partitioning between generalist rodent consumers by Stephens, Ryan B., Hobbie, Erik A., Lee, Thomas D., Rowe, Rebecca J.

“…Identifying the mechanisms that structure niche breadth and overlap between species is important for determining how species interact and assessing their…”
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Natural 15N abundance of ammonium and nitrate in soil profiles: New insights into forest ecosystem nitrogen saturation by Gurmesa, Geshere Abdisa, Hobbie, Erik A., Zhang, Shasha, Wang, Ang, Zhu, Feifei, Zhu, Weixing, Koba, Keisuke, Yoh, Muneoki, Wang, Chuankuan, Zhang, Qiuliang, Fang, Yunting

“…Assessment of nitrogen (N) saturation of forests is critical to the evaluation of the manner in which ecosystems will respond to current and future global…”
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Controls of isotopic patterns in saprotrophic and ectomycorrhizal fungi by Hobbie, Erik A., Sánchez, Fernando S., Rygiewicz, Paul T.

“…Isotopes of nitrogen (δ15N) and carbon (δ13C) in ectomycorrhizal and saprotrophic fungi contain important information about ecological functioning, but the…”
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The ectomycorrhizal status of a tropical black bolete, Phlebopus portentosus, assessed using mycorrhizal synthesis and isotopic analysis by Kumla, Jaturong, Hobbie, Erik A., Suwannarach, Nakarin, Lumyong, Saisamorn

“…Phlebopus portentosus is one of the most popular wild edible mushrooms in Thailand and can produce sporocarps in the culture without a host plant. However, it…”
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Radiocarbon evidence for the mining of organic nitrogen from soil by mycorrhizal fungi by Hobbie, Erik A, Ouimette, Andrew P, Schuur, Edward A. G, Kierstead, Daniel, Trappe, James M, Bendiksen, Katriina, Ohenoja, Esteri

“…Organic nitrogen use by mycorrhizal fungi and associated plants could fuel productivity in nitrogen-limited systems. To test whether fungi assimilated…”
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Effects of nitrogen deposition on carbon allocation between wood and leaves in temperate forests by Gao, Meixia, Zhu, Feifei, Hobbie, Erik A., Zhu, Weixing, Li, Shanlong, Gurmesa, Geshere A., Wang, Ang, Fang, Xiaoming, Zhu, Jiaojun, Gundersen, Per, Huang, Kai, Wu, Zhou, Fang, Yunting

“…Societal Impact Statement Increasing atmospheric nitrogen (N) deposition represents a major global change factor, but its long‐term effect on tree growth and…”
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Fungal functioning in a pine forest: evidence from a 15N-labeled global change experiment by Hobbie, Erik A., Diepen, Linda T. A., Lilleskov, Erik A., Ouimette, Andrew P., Finzi, Adrien C., Hofmockel, Kirsten S.

“…We used natural and tracer nitrogen (N) isotopes in a Pinus taeda free air CO2 enrichment (FACE) experiment to investigate functioning of ectomycorrhizal and…”
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Trajectories in nitrogen availability during forest secondary succession: illustrated by foliar δ15N by Tu, Ying, Wang, Ang, Zhu, Feifei, Gurmesa, Geshere Abdisa, Hobbie, Erik A., Zhu, Weixing, Fang, Yunting

“…Background Forest succession is an important ecological process and has been studied for more than a century. However, changes in nitrogen (N) availability…”
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