Mark B. Edlund
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View article: Thermal structure and oxygen depletion provide mechanism for cyanobacterial blooms in remote lakes
Thermal structure and oxygen depletion provide mechanism for cyanobacterial blooms in remote lakes Open
Harmful blooms of cyanobacteria (cyanoHABs) are increasingly reported in remote and low-nutrient lakes, prompting a paradigm shift in our understanding of the drivers of cyanoHABs and a need to study factors beyond watershed nutrient input…
View article: Widespread and homologous life-history traits within the Rhopalodiales (Bacillariophyceae)
Widespread and homologous life-history traits within the Rhopalodiales (Bacillariophyceae) Open
View article: An examination of environmental factors that influence the composition of diatom communities in northern hardwood streams (USA)
An examination of environmental factors that influence the composition of diatom communities in northern hardwood streams (USA) Open
Headwater streams draining northern hardwood forests are vulnerable to environmental pressures, including climate change, atmospheric deposition, land-use changes, and recreational impacts. These streams play a crucial role in the forest e…
View article: First account of an exotic freshwater diatom ( <i>Discostella asterocostata</i> ) in Lakes of Ohio, USA
First account of an exotic freshwater diatom ( <i>Discostella asterocostata</i> ) in Lakes of Ohio, USA Open
Surface sediment analysis offers a cost-effective way to document the spread of exotic micro-organisms, potentially presaging the spread of other exotic and invasive species. An analysis of surface sediment samples from 11 inland lakes in …
View article: Diatoms of North America: Nomenclatural transfers within the Bacillariophyceae 1.
Diatoms of North America: Nomenclatural transfers within the Bacillariophyceae 1. Open
View article: Managing the Red Lake Nation’s and Minnesota’s largest lake: monitoring and paleolimnology support a site-specific standard for Upper and Lower Red Lakes (Red Lake Nation and Minnesota, United States)
Managing the Red Lake Nation’s and Minnesota’s largest lake: monitoring and paleolimnology support a site-specific standard for Upper and Lower Red Lakes (Red Lake Nation and Minnesota, United States) Open
Burge DRL, Edlund MB, Bowe S, Bowe K, Anderson JP, Bouchard RW, Heathcote AJ, Leavitt PR, Engstrom DR. 2023. Managing the Red Lake Nation's and Minnesota's largest lake: monitoring and paleolimnology support a site-specific standard for Up…
View article: Environmental Factors Drive the Composition of Diatom Communities Across a Range of Northern Hardwood Streams
Environmental Factors Drive the Composition of Diatom Communities Across a Range of Northern Hardwood Streams Open
View article: Nitrogen dynamics and fixation control cyanobacterial abundance, diversity, and toxicity in Lake of the Woods (USA, Canada)
Nitrogen dynamics and fixation control cyanobacterial abundance, diversity, and toxicity in Lake of the Woods (USA, Canada) Open
Our understanding of drivers of cyanobacterial harmful algal blooms (cHABs) is evolving, but it is apparent that not all lakes are created equal. Nitrogen (N) is an important component of all cHABs and is crucial for cyanotoxin production.…
View article: Integrating water quality monitoring and diatom community trends to determine landscape‐level change in protected lakes
Integrating water quality monitoring and diatom community trends to determine landscape‐level change in protected lakes Open
Lakes in protected or remote regions are not immune to anthropogenic impacts and face a variety of stressors ranging from atmospheric deposition of pollutants to global climate change. Monitoring programs in these lakes can be limited in s…
View article: Physical characteristics of northern forested lakes predict sensitivity to climate change
Physical characteristics of northern forested lakes predict sensitivity to climate change Open
Evidence suggests that boreal-lake ecosystems are changing rapidly, but with variable ecological responses, due to climate warming. Paleolimnological analysis of 27 undeveloped northern forested lakes showed significant and potentially cli…
View article: Does salinization impact long‐term <i>Daphnia</i> assemblage dynamics? Evidence from the sediment egg bank in a small hard‐water lake
Does salinization impact long‐term <i>Daphnia</i> assemblage dynamics? Evidence from the sediment egg bank in a small hard‐water lake Open
Salinization of freshwater ecosystems threatens global aquatic biodiversity. There is a need for studies that follow populations in situ during salinization to understand the effects on species and ecosystems. We follow 170 years of Daphni…
View article: <i>Diatoms.org</i>: supporting taxonomists, connecting communities
<i>Diatoms.org</i>: supporting taxonomists, connecting communities Open
Consistent identification of diatoms is a prerequisite for studying their ecology, biogeography, and successful application as environmental indicators. However, taxonomic consistency among observers has been difficult to achieve, because …
View article: Polymorphism in Mastogloia (Bacillariophyceae) revisited
Polymorphism in Mastogloia (Bacillariophyceae) revisited Open
Background and aims – Mastogloia grevillei has been shown to be a polymorphic diatom species, producing frustules with morphology of Mastogloia grevillei, frustules with morphology of M. danseyi, and more rarely, heteromorphic or Janus cel…
View article: Aulacoseira giraffensis (Bacillariophyceae), a new diatom species forming massive populations in an Eocene lake
Aulacoseira giraffensis (Bacillariophyceae), a new diatom species forming massive populations in an Eocene lake Open
Background and aims – Diatoms began to inhabit freshwater by at least the Late Cretaceous, becoming well established by the early to middle Eocene. Aulacoseira, an important diatom in numerous ponds, lakes and rivers today, was one of the …
View article: Response of boreal lakes to changing wind strength: Coherent physical changes across two large lakes but varying effects on primary producers over the 20<sup>th</sup> century
Response of boreal lakes to changing wind strength: Coherent physical changes across two large lakes but varying effects on primary producers over the 20<sup>th</sup> century Open
Near‐surface wind speeds have changed over recent decades, raising questions about the extent to which these changes are altering the vertical thermal structure of lakes and affecting lake food webs. Neo‐ and paleolimnological techniques w…
View article: Age determination and sediment accumulation rates of sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Age determination and sediment accumulation rates of sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
Age determination and sediment accumulation rates of sediment cores from St. Louis River and Lake Superior, Minnesota, USA
View article: Pigments in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Pigments in sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
View article: Other siliceous entity density in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Other siliceous entity density in sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
Other siliceous entity density in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
View article: Metadata of sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Metadata of sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
View article: Loss on ignition in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Loss on ignition in sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
View article: Paleolimnological data from the St. Louis River Estuary
Paleolimnological data from the St. Louis River Estuary Open
Action items in the St. Louis River Remedial Action Plan (RAP) required data collection to support removing beneficial use impairments (BUI) to the Area of Concern. It was deemed important to understand remaining impacts in the St. Louis R…
View article: Relative abundance of pollen in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Relative abundance of pollen in sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
TRSHR - Trees & shrubs group\nUPHRB - Upland herbs group\nWETEM - Wetland emergents group\nAQUAT - Aquatics group\nPTERI - Pteridophytes group\nSPORE - Spore group
View article: Age determination and sediment accumulation rates using 210Pb activity in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Age determination and sediment accumulation rates using 210Pb activity in sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
Age determination and sediment accumulation rates using 210Pb activity in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
View article: Additional diatom and siliceous entity data and images of sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Additional diatom and siliceous entity data and images of sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
All data files contain a "meta" spreadsheet describing fields (columns and/or row labels) in the associated data spreadsheet.
View article: Pollen biovolume in sediment cores from St. Louis River and Lake Superior, Minnesota, USA
Pollen biovolume in sediment cores from St. Louis River and Lake Superior, Minnesota, USA Open
Pollen biovolume is measured per dry weight of sediment.\n\nTRSHR - Trees & shrubs group\nUPHRB - Upland herbs group\nWETEM - Wetland emergents group\nAQUAT - Aquatics group\nPTERI - Pteridophytes group\nSPORE - Spore group
View article: Paleolimnology and resurrection ecology: The future of reconstructing the past
Paleolimnology and resurrection ecology: The future of reconstructing the past Open
Paleolimnologists have utilized lake sediment records to understand historical lake and landscape development, timing and magnitude of environmental change at lake, watershed, regional and global scales, and as historical datasets to targe…
View article: Effects of Climate Change on Lake Thermal Structure and Biotic Response in Northern Wilderness Lakes
Effects of Climate Change on Lake Thermal Structure and Biotic Response in Northern Wilderness Lakes Open
Climate disrupts aquatic ecosystems directly through changes in temperature, wind, and precipitation, and indirectly through watershed effects. Climate-induced changes in northern lakes include longer ice-free season, stronger stratificati…
View article: The valid transfer of <i>Stauroneis goeppertiana</i> to <i>Luticola</i> (Bacillariophyceae).
The valid transfer of <i>Stauroneis goeppertiana</i> to <i>Luticola</i> (Bacillariophyceae). Open
View article: The initiation and development of small peat‐forming ecosystems adjacent to lakes in the north central Canadian low arctic during the Holocene
The initiation and development of small peat‐forming ecosystems adjacent to lakes in the north central Canadian low arctic during the Holocene Open
Small peat-forming ecosystems in arctic landscapes may play a significant role in the regional biogeochemistry of high-latitude systems, yet they are understudied compared to arctic uplands and other major peat-forming regions of the North…
View article: Paleolimnology of the Lake of the Woods southern basin: continued water quality degradation despite lower nutrient influx
Paleolimnology of the Lake of the Woods southern basin: continued water quality degradation despite lower nutrient influx Open
Reavie ED, Edlund MB, Andresen NA, Engstrom DR, Leavitt PR, Schottler S, Cai M. 2017. Paleolimnology of the Lake of the Woods southern basin: continued water quality degradation despite lower nutrient influx. Lake Reserv Manage. 33:369–385…