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Historical Landscape Use of Migratory Caribou: New Insights From Old Antlers
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Accumulations of shed caribou antlers ( Rangifer tarandus) are valuable resources for expanding the temporal scope with which we evaluate seasonal landscape use of herds. Female caribou shed their...
Improving the Fire Weather Index System for Peatlands using Peat-Specific Hydrological Input Data
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The Canadian Fire Weather Index (FWI) system, even though originally developed and calibrated for an upland Jack pine forest, is used globally to estimate fire danger for any fire environment. However...
Jonas Mortelmans
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PhD Researcher (Earth and Environmental Sciences)
Monitoring Recovery of Overgrazed Lichen Communities on Hagemeister Island, Southwestern Alaska
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Understanding the recovery rate of overgrazed lichen communities has value to mangers of lands in northern regions. We describe lichen community composition and present recovery rate measurements for...
Rapid Transformation of Tundra Ecosystems From Ice-wedge Degradation
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This resource is available on an external database and may require a paid subscription to access it. It is included on the CCLM to support our goal of capturing and sharing the breadth of all...
Revealing the Hidden Carbon in Forested Wetland Soils
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Inland wetlands are critical carbon reservoirs storing 30% of global soil organic carbon (SOC) within 6% of the land surface. However, forested regions contain SOC-rich wetlands that are not included...
Satellite Determination of Peatland Water Table Temporal Dynamics by Localizing Representative Pixels of A SWIR-Based Moisture Index
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The OPtical TRApezoid Model (OPTRAM) is a physically-based approach for remote soil moisture estimation. OPTRAM is based on the response of short-wave infrared (SWIR) reflectance to vegetation water...
Survival and Reproduction in Arctic Caribou are Associated with Summer Forage and Insect Harassment
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Investigators have speculated that the climate-driven “greening of the Arctic” may benefit barren-ground caribou populations, but paradoxically many populations have declined in recent years. This...
Using Perceptions as Evidence to Improve Conservation and Environmental Management
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The conservation community is increasingly focusing on the monitoring and evaluation of management, governance, ecological, and social considerations as part of a broader move toward adaptive...