Connor I. Olson
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View article: Temporal and Spatial Dynamics of Soil Carbon Cycling and Its Response to Environmental Change in a Northern Hardwood Forest
Temporal and Spatial Dynamics of Soil Carbon Cycling and Its Response to Environmental Change in a Northern Hardwood Forest Open
The timescales over which soil carbon responds to global change are a major uncertainty in the terrestrial carbon cycle. Radiocarbon measurements on archived soil samples are an important tool for addressing this uncertainty. We present ti…
View article: Cumulative Anthropogenic Impacts of Past and Future Emissions and Releases on the Global Mercury Cycle
Cumulative Anthropogenic Impacts of Past and Future Emissions and Releases on the Global Mercury Cycle Open
Humans have intentionally mined and released mercury (Hg) from the Earth's lithosphere over millennia. Here, we synthesize past, present, and future anthropogenic Hg emissions and releases and use a global geochemical box model to characte…
View article: Changes in Organic Soil Mercury Concentrations Over 50 years at the Hubbard Brook Experimental Forest, New Hampshire, USA
Changes in Organic Soil Mercury Concentrations Over 50 years at the Hubbard Brook Experimental Forest, New Hampshire, USA Open
Over the past half century, air quality management efforts have led to substantial decreases in mercury emission across North America and Europe. Subsequent declines of mercury concentrations in air and precipitation have been well documen…
View article: Ecotoxicological Studies Indicate That Sublethal and Lethal Processes Limit Insect-Mediated Contaminant Flux
Ecotoxicological Studies Indicate That Sublethal and Lethal Processes Limit Insect-Mediated Contaminant Flux Open
Merolimnic insects can accumulate and transport considerable amounts of aquatic contaminants to terrestrial systems. The rate of contaminant biotransport, termed insect-mediated contaminant flux (IMCF), depends on emergent insect biomass a…
View article: Mercury in soils of the conterminous United States: patterns and pools
Mercury in soils of the conterminous United States: patterns and pools Open
Soils account for the largest global mercury reservoirs, but observations are sparse in many regions. The accumulation and turnover of mercury in soils determines whether they act as an atmospheric source or sink. Here, we present a spatia…
View article: Use of Riparian Spiders as Sentinels of Persistent and Bioavailable Chemical Contaminants in Aquatic Ecosystems: A Review
Use of Riparian Spiders as Sentinels of Persistent and Bioavailable Chemical Contaminants in Aquatic Ecosystems: A Review Open
Aquatic ecosystems around the world are contaminated with a wide range of anthropogenic chemicals, including metals and organic pollutants, that originate from point and nonpoint sources. Many of these chemical contaminants have complex en…