5 Works

Data from: Draining the pool? Carbon storage and fluxes in three alpine plant communities

Mia Vedel Sørensen, Richard Strimbeck, Kristin Odden Nystuen, Rozalia Erzsebet Kapas, Brian J. Enquist & Bente Jessen Graae
Shrub communities have expanded in arctic and alpine tundra during recent decades. Changes in shrub abundance may alter ecosystem carbon (C) sequestration and storage, with potential positive or negative feedback on global C cycling. To assess potential implications of shrub expansion in different alpine plant communities, we compared C fluxes and pools in one Empetrum-dominated heath, one herb- and cryptogam-dominated meadow, and one Salix-shrub community in Central Norway. Over two growing seasons, we measured Gross...

Data from: Reconstructing Asian faunal introductions to eastern Africa from multi-proxy biomolecular and archaeological datasets

Mary E. Prendergast, Michael Buckley, Alison Crowther, Heidi Eager, Laurent Frantz, Ophélie Lebrasseur, Rainer Hutterer, Ardern Hulme-Beaman, Wim Van Neer, Katerina Douka, Margaret-Ashley Veall, Eréndira M. Quintana Morales, Verena J. Schuenemann, Ella Reiter, Richard Allen, Evangelos A. Dimopoulos, Richard M. Helm, Ceri Shipton, Ogeto Mwebi, Christiane Denys, Mark C. Horton, Stephanie Wynne-Jones, Jeffrey Fleisher, Chantal Radimilahy, Henry Wright … & Mark Horton
Human-mediated biological exchange has had global social and ecological impacts. In sub-Saharan Africa, several domestic and commensal animals were introduced from Asia in the pre-modern period; however, the timing and nature of these introductions remain contentious. One model supports introduction to the eastern African coast after the mid-first millennium CE, while another posits introduction dating back to 3000 BCE. These distinct scenarios have implications for understanding the emergence of long-distance maritime connectivity, and the ecological...

Data from: Microbiome sharing between children, livestock and household surfaces in western Kenya

Emily Mosites, Matt Sammons, Elkanah Otiang, Alexander Eng, Ceclia Noecher, Ohad Manor, Sarah Hilton, Samuel M. Thmbi, Clayton Onyango, Gemina Garland-Lewis, Douglas R. Call, M. Kariuki Njenga, Judith N. Wasserheit, Jennifer A. Zambriski, Judd L. Walson, Guy H. Palmer, Joel Montgomery, Elhanan Borenstein, Richard Omore, Peter M. Rabinowitz, Samuel M. Thumbi & Cecilia Noecker
The gut microbiome community structure and development are associated with several health outcomes in young children. To determine the household influences of gut microbiome structure, we assessed microbial sharing within households in western Kenya by sequencing 16S rRNA libraries of fecal samples from children and cattle, cloacal swabs from chickens, and swabs of household surfaces. Among the 156 households studied, children within the same household significantly shared their gut microbiome with each other, although we...

Data from: Network structure and local adaptation in coevolving bacteria-phage interactions

James Gurney, Lafi Aldakak, Alex Betts, Claire Gougat-Barbera, Timothée Poisot, Oliver Kaltz & Michael E. Hochberg
Numerous theoretical and experimental studies have investigated antagonistic coevolution between parasites and their hosts. Although experimental tests of theory from a range of biological systems are largely concordant regarding the influence of several driving processes, we know little as to how mechanisms acting at the smallest scales (individual molecular and phenotypic changes) may result in the emergence of structures at larger scales, such as coevolutionary dynamics and local adaptation. We capitalized on methods commonly employed...

Data from: Does environmental heterogeneity drive functional trait variation? A test in montane and alpine meadows

Jordan Stark, Rebecca Lehman, Lake Crawford, Brian J. Enquist & Benjamin Blonder
While community-weighted means of plant traits have been linked to mean environmental conditions at large scales, the drivers of trait variation within communities are not well understood. Local environmental heterogeneity (such as microclimate variability), in addition to mean environmental conditions, may decrease the strength of environmental filtering and explain why communities support different amounts of trait variation. Here, we assess two hypotheses: first, that more heterogeneous local environments and second, that less extreme environments, should...

Registration Year

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  • Santa Fe Institute
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