Publications

Understanding the effects of forest management on streams and rivers: A synthesis of research conducted in New Brunswick (Canada) 2014–2018
Forests play a major role in maintaining healthy streams and in providing ecosystem services such as clean drinking water, …
PDF Source Document
Viruses direct carbon cycling in lake sediments under global change
Global change is altering the vast amount of carbon cycled by microbes between land and freshwater, but how viruses mediate this …
PDF Source Document
Tebufenozide has limited direct effects on simulated aquatic communities
The use of insecticides to control undesirable pest species in forestry has undergone a shift from broad spectrum to narrow spectrum …
PDF Source Document
Long-term stream chemistry response to harvesting in a northern hardwood forest watershed experiencing environmental change
Previous studies of harvest impacts on stream chemistry from deciduous forests with seasonal snow cover have shown variable responses …
PDF Source Document
Effects of forest management on mercury bioaccumulation and biomagnification along the river continuum
Forest management can alter the mobilization of mercury (Hg) into headwater streams and its conversion to methylmercury (MeHg), the …
PDF Source Document
Long-Term Trends in pCO2 in Lake Surface Water Following Rebrowning
Over the last 40 years, dissolved organic carbon (DOC) has been increasing in freshwater across many boreal regions. The extent to …
PDF Source Document
Molecular correlations of dissolved organic matter with inorganic mercury and methylmercury in Canadian boreal streams
The molecular composition of dissolved organic matter (DOM) is increasingly recognized as fundamentally important to mercury transport …
PDF Source Document
Are There Longitudinal Effects of Forest Harvesting on Carbon Quality and Flow and Methylmercury Bioaccumulation in Primary Consumers of Temperate Stream Networks?
Forest harvesting affects dissolved organic matter (DOM) and aqueous mercury inputs as well as the food web structure in …
PDF Source Document
Spring coherence in dissolved organic carbon export dominates total coherence in Boreal Shield forested catchments
The wide range of forested landscapes in boreal environments store and cycle substantial amounts of carbon, although the capacity of …
PDF Source Document
Universal microbial reworking of dissolved organic matter along environmental gradients
Soils are losing increasing amounts of carbon annually to freshwaters as dissolved organic matter (DOM), which, if degraded, can …
PDF Source Document
Acidification recovery in a changing climate: Observations from thirty-five years of stream chemistry monitoring in forested headwater catchments at the Turkey Lakes Watershed …
Long-term ecosystem studies are valuable for understanding integrated ecosystem response to global changes in atmospheric deposition …
PDF Source Document
Forest defoliator outbreaks alter nutrient cycling in northern waters
Insect defoliators alter biogeochemical cycles from land into receiving waters by consuming terrestrial biomass and releasing biolabile …
PDF Source Document
Elevated Allochthony in Stream Food Webs as a Result of Longitudinal Cumulative Effects of Forest Management
The river continuum concept (RCC) predicts a downstream shift in the reliance of aquatic consumers from terrestrial to aquatic carbon …
PDF Source Document
hydroweight: Inverse distance-weighted rasters and landscape attributes
hydroweight calculates landscape attributes based on distances to waterbodies — areas nearby have more influence than those farther …
Code Source Document
hydroweight: Inverse distance-weighted rasters and landscape attributes
Patterns and trends in lake concentrations of dissolved organic carbon in a landscape recovering from environmental degradation and widespread acidification
Concentrations of dissolved organic carbon (DOC) have increased in lakes throughout North America and Europe over the last three …
PDF Source Document
Turkey Lakes Watershed, Ontario, Canada: 40 years of interdisciplinary whole-ecosystem research
The Turkey Lakes Watershed (TLW) study is a federal, interdepartmental study established in 1979 to investigate the effects of acid …
PDF Source Document
Forest management impacts on stream integrity at varying intensities and spatial scales: Do biological effects accumulate spatially?
The effects of forest harvesting on headwaters are quite well understood, yet our understanding of whether impacts accumulate or …
PDF Source Document
Forest management impacts on stream integrity at varying intensities and spatial scales: Do abiotic effects accumulate spatially?
Though effects of forest harvesting on small streams are well documented, little is known about the cumulative effects in downstream …
PDF Source Document
Variables affecting resource subsidies from streams and rivers to land and their susceptibility to global change stressors
Stream and river ecosystems provide subsidies of emergent adult aquatic insects and other resources to terrestrial food webs, and this …
PDF Source Document
Lake characteristics influence how methanogens in littoral sediments respond to terrestrial litter inputs
Shallow lake sediments harbor methanogen communities that are responsible for large amounts of CH 4 flux to the atmosphere. These …
PDF Source Document
The ecobiomics project: Advancing metagenomics assessment of soil health and freshwater quality in Canada
Transformative advances in metagenomics are providing an unprecedented ability to characterize the enormous diversity of microorganisms …
PDF Source Document
Variations in terrestrial arthropod DNA metabarcoding methods recovers robust beta diversity but variable richness and site indicators
Terrestrial arthropod fauna have been suggested as a key indicator of ecological integrity in forest systems. Because phenotypic …
PDF Source Document
Chemical and microbial diversity covary in fresh water to influence ecosystem functioning
Invisible to the naked eye lies a tremendous diversity of organic molecules and organisms that make major contributions to important …
PDF Source Document
Studying ecosystems with DNA metabarcoding: lessons from biomonitoring of aquatic macroinvertebrates
PDF Source Document
A Conceptual Framework for the Spruce Budworm Early Intervention Strategy: Can Outbreaks be Stopped?
The spruce budworm, Choristoneura fumiferana, Clem., is the most significant defoliating pest of boreal balsam fir (Abies balsamea (L.) …
PDF Source Document
Microbiome functioning depends on individual and interactive effects of the environment and community structure
How ecosystem functioning changes with microbial communities remains an open question in natural ecosystems. Both present-day …
PDF Source Document
Ten-year assessment of the 100 priority questions for global biodiversity conservation
In 2008, a group of conservation scientists compiled a list of 100 priority questions for the conservation of the world’s …
PDF Source Document
Plant litter type dictates microbial communities responsible for greenhouse gas production in amended lake sediments
PDF Source Document
Feasting on terrestrial organic matter: Dining in a dark lake changes microbial decomposition
Boreal lakes are major components of the global carbon cycle, partly because of sediment-bound heterotrophic microorganisms that …
PDF Source Document
Climate-driven shifts in sediment chemistry enhance methane production in northern lakes
Freshwater ecosystems are a major source of methane (CH 4), contributing 0.65 Pg (in CO 2 equivalents) yr- 1 towards global carbon …
PDF Source Document
Optical Properties of Dissolved Organic Matter and Their Relation to Mercury Concentrations in Water and Biota Across a Remote Freshwater Drainage Basin
Dissolved organic matter (DOM) includes an array of carbon-based compounds that vary in size and structure and have complex …
PDF Source Document