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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Evaluating Otter Reintroduction Outcomes Using Genetic Spatial Capture-Recapture Modified For Dendritic Networks, Sean M. Murphy, Jennifer R. Adams, Lisette P. Waits, John J. Cox Oct 2021

Evaluating Otter Reintroduction Outcomes Using Genetic Spatial Capture-Recapture Modified For Dendritic Networks, Sean M. Murphy, Jennifer R. Adams, Lisette P. Waits, John J. Cox

Forestry and Natural Resources Faculty Publications

Monitoring the demographics and genetics of reintroduced populations is critical to evaluating reintroduction success, but species ecology and the landscapes that they inhabit often present challenges for accurate assessments. If suitable habitats are restricted to hierarchical dendritic networks, such as river systems, animal movements are typically constrained and may violate assumptions of methods commonly used to estimate demographic parameters. Using genetic detection data collected via fecal sampling at latrines, we demonstrate applicability of the spatial capture–recapture (SCR) network distance function for estimating the size and density of a recently reintroduced North American river otter (Lontra canadensis) population in …


Development Of Mine Soils In A Chronosequence Of Forestry-Reclaimed Sites In Eastern Kentucky, Kenton L. Sena, Kevin M. Yeager, Christopher D. Barton, John M. Lhotka, William E. Bond, Kimberly J. Schindler Apr 2021

Development Of Mine Soils In A Chronosequence Of Forestry-Reclaimed Sites In Eastern Kentucky, Kenton L. Sena, Kevin M. Yeager, Christopher D. Barton, John M. Lhotka, William E. Bond, Kimberly J. Schindler

Lewis Honors College Faculty Publications

Surface mining for coal has contributed to widespread deforestation and soil loss in coal mining regions around the world, and particularly in Appalachia, USA. Mined land reforestation is of interest in this and other regions where forests are the dominant pre-mining land use. This study evaluated mine soil development on surface-mined sites reforested according to the Forestry Reclamation Approach, representing a chronosequence of time ranging from 0 to 19 years after reclamation. Soils were sampled in depth increments to 50 cm and analyzed for a suite of soil physical and chemical characteristics. Overall, soil fines (silt + clay) tended to …


Bundles And Hotspots Of Multiple Ecosystem Services For Optimized Land Management In Kentucky, United States, Yang Bai, Thomas O. Ochuodho, Jian Yang, Domena A. Agyeman Jan 2021

Bundles And Hotspots Of Multiple Ecosystem Services For Optimized Land Management In Kentucky, United States, Yang Bai, Thomas O. Ochuodho, Jian Yang, Domena A. Agyeman

Forestry and Natural Resources Faculty Publications

Ecosystem services are benefits that the natural environment provides to support human well-being. A thorough understanding and assessment of these services are critical to maintain ecosystem services flow through sustainable land management to optimize bundles of ecosystem services provision. Maximizing one particular ecosystem service may lead to reduction in another. Therefore, identifying ecosystem services tradeoffs and synergies is key in addressing this challenge. However, the identification of multiple ecosystem services tradeoffs and synergies is still limited. A previous study failed to effectively capture the spatial interaction among ecosystem services as it was limited by “space-to-time” substitution method used because of …