Christopher L. Dutton
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View article: Sediment Fingerprinting Enables the Determination of Soil Erosion Sources and Sediment Transport Processes in a Topographically Complex Nile Headwater Basin
Sediment Fingerprinting Enables the Determination of Soil Erosion Sources and Sediment Transport Processes in a Topographically Complex Nile Headwater Basin Open
Sediment fingerprinting was utilized to identify potential hotspots of soil erosion and sediment transport pathways in the Nile Nyabarongo Upper Catchment (NNYU) in Rwanda, where rivers and reservoirs are suffering from alarmingly high lev…
View article: Integrating the Bright and Dark Sides of Aquatic Resource Subsidies—A Synthesis
Integrating the Bright and Dark Sides of Aquatic Resource Subsidies—A Synthesis Open
Aquatic and terrestrial ecosystems are linked through the reciprocal exchange of materials and organisms. Aquatic‐to‐terrestrial subsidies are relatively small in most terrestrial ecosystems, but they can provide high contents of limiting …
View article: Epigenetic signatures of intergenerational exposure to violence in three generations of Syrian refugees
Epigenetic signatures of intergenerational exposure to violence in three generations of Syrian refugees Open
Maternal trauma influences infant and adult health outcomes and may impact future generations through epigenetic modifications such as DNA methylation (DNAm). Research in humans on the intergenerational epigenetic transmission of trauma ef…
View article: Maternal Psychosocial Stress Is Associated with Reduced Diversity in the Early Infant Gut Microbiome
Maternal Psychosocial Stress Is Associated with Reduced Diversity in the Early Infant Gut Microbiome Open
The developing infant gut microbiome is highly sensitive to environmental exposures, enabling its evolution into an organ that supports the immune system, confers protection from infection, and facilitates optimal gut and central nervous s…
View article: Extent, patterns, and drivers of hypoxia in the world's streams and rivers
Extent, patterns, and drivers of hypoxia in the world's streams and rivers Open
Hypoxia in coastal waters and lakes is widely recognized as a detrimental environmental issue, yet we lack a comparable understanding of hypoxia in rivers. We investigated controls on hypoxia using 118 million paired observations of dissol…
View article: Data and code files
Data and code files Open
These are the data files and code files necessary to reproduce the findings in our publication on how maternal psychosocial stress can modulates the developing infant's gut microbiome during the first year of life. Raw sequences are avail…
View article: Data from: The meta-gut: community coalescence of animal gut and environmental microbiomes
Data from: The meta-gut: community coalescence of animal gut and environmental microbiomes Open
This is the data and R code necessary to reproduce the findings in the manuscript, "The meta-gut: community coalescence of animal gut and environmental microbiomes." Hippo pool biogeochemistry and fecal and pool water microbial communities…
View article: Animal legacies lost and found in river ecosystems
Animal legacies lost and found in river ecosystems Open
Animals can impact freshwater ecosystem structure and function in ways that persist well beyond the animal’s active presence. These legacy effects can last for months, even decades, and often increase spatial and temporal heterogeneity wit…
View article: The meta-gut: Hippo inputs lead to community coalescence of animal and environmental microbiomes
The meta-gut: Hippo inputs lead to community coalescence of animal and environmental microbiomes Open
All animals carry specialized microbiomes, and their gut microbiotas in particular are continuously released into the environment through excretion of waste. Here we propose the meta-gut as a novel conceptual framework that addresses the a…
View article: Temporal resource partitioning of wildebeest carcasses by scavengers after riverine mass mortality events
Temporal resource partitioning of wildebeest carcasses by scavengers after riverine mass mortality events Open
Scavengers play an important role in nutrient recycling and disease control, and this role may be particularly critical after mass mortality events, such as those caused by epidemics, culling, or natural disasters. Current work on scavenge…
View article: Hippopotamus are distinct from domestic livestock in their resource subsidies to and effects on aquatic ecosystems
Hippopotamus are distinct from domestic livestock in their resource subsidies to and effects on aquatic ecosystems Open
In many regions of the world, populations of large wildlife have been displaced by livestock, and this may change the functioning of aquatic ecosystems owing to significant differences in the quantity and quality of their dung. We develope…
View article: A River of Bones: Wildebeest Skeletons Leave a Legacy of Mass Mortality in the Mara River, Kenya
A River of Bones: Wildebeest Skeletons Leave a Legacy of Mass Mortality in the Mara River, Kenya Open
Animal carcasses can provide important resources for a suite of consumers, and bones may provide a largely overlooked component of this resource, as they contain a large proportion of the phosphorus (P) in a carcass and they can persist fo…
View article: Hippos ( <i>Hippopotamus amphibius</i> ): The animal silicon pump
Hippos ( <i>Hippopotamus amphibius</i> ): The animal silicon pump Open
Grazing hippos are key species in transfer of silicon from terrestrial grasses to lake diatoms.
View article: The influence of a semi-arid sub-catchment on suspended sediments in the Mara River, Kenya
The influence of a semi-arid sub-catchment on suspended sediments in the Mara River, Kenya Open
The Mara River Basin in East Africa is a trans-boundary basin of international significance experiencing excessive levels of sediment loads. Sediment levels in this river are extremely high (turbidities as high as 6,000 NTU) and appear to …
View article: Annual mass drownings of the Serengeti wildebeest migration influence nutrient cycling and storage in the Mara River
Annual mass drownings of the Serengeti wildebeest migration influence nutrient cycling and storage in the Mara River Open
Significance Much research has focused on the influence of animal migrations on terrestrial ecosystems. Mass drownings are an understudied phenomenon associated with migrations that may have substantial impacts on aquatic ecosystems. Here,…