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Allan E. Konopka
Researcher at Pacific Northwest National Laboratory
Publications - 51
Citations - 5708
Allan E. Konopka is an academic researcher from Pacific Northwest National Laboratory. The author has contributed to research in topics: Biogeochemical cycle & Groundwater. The author has an hindex of 28, co-authored 51 publications receiving 3978 citations. Previous affiliations of Allan E. Konopka include University of Wisconsin-Madison.
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Journal ArticleDOI
Quantifying Community Assembly Processes and Identifying Features that Impose Them
James C. Stegen,Xueju Lin,Xueju Lin,James K. Fredrickson,Xingyuan Chen,David W. Kennedy,Christopher J. Murray,Mark L. Rockhold,Allan E. Konopka +8 more
TL;DR: An analytical framework is developed for interrogation of subsurface microbial communities distributed across two geologically distinct formations of the unconfined aquifer underlying the Hanford Site in southeastern Washington State that quantitatively estimate influences of Drift, Selection and Dispersal.
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Stochastic and Deterministic Assembly Processes in Subsurface Microbial Communities
TL;DR: The results point to general rules governing the relative influences of stochastic and deterministic processes across micro- and macro-organisms.
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Estimating and mapping ecological processes influencing microbial community assembly.
TL;DR: The resulting maps provide a new lens through which ecological systems can be understood; in the subsurface system investigated here they revealed that the influence of variable selection was associated with the rate at which redox conditions change with subsurfaced depth.
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What is microbial community ecology
TL;DR: Important elements of research in microbial community ecology include the analysis of functional pathways for nutrient resource and energy flows, mechanistic understanding of interactions between microbial populations and their environment, and the emergent properties of the complex community.
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Groundwater–surface water mixing shifts ecological assembly processes and stimulates organic carbon turnover
James C. Stegen,James K. Fredrickson,Michael J. Wilkins,Allan E. Konopka,William C. Nelson,Evan V. Arntzen,William B. Chrisler,Rosalie K. Chu,Robert E. Danczak,Sarah J. Fansler,David W. Kennedy,Charles T. Resch,Malak M. Tfaily +12 more
TL;DR: In this paper, the coupling among groundwater-surface water mixing, microbial communities and biogeochemistry was investigated using DNA sequencing and ultra-high-resolution organic carbon profiling to investigate the coupling between groundwater and surface water mixing in the hyporheic zone.