Výsledky vyhledávání - "Aaron N. Johnston"

Akademický článek

Beyond presence mapping: predicting fractional cover of non‐native vegetation in Sentinel‐2 imagery using an ensemble of MaxEnt models

Autor: Todd M. Preston, Aaron N. Johnston, Kyle G. Ebenhoch, Robert H. Diehl

Publikováno v: Remote Sensing in Ecology and Conservation, Vol 9, Iss 4, Pp 512-526 (2023)

Abstract Non‐native species maps are important tools for understanding and managing biological invasions. We demonstrate a novel approach to extend presence modeling to map fractional cover (FC) of non‐native yellow sweet clover Melilotus officin

Externí odkaz: https://doaj.org/article/649323ca67404a6e9a498ab8ec1db891

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Akademický článek

Hidden Markov movement models reveal diverse seasonal movement patterns in two North American ungulates

Autor: John Terrill Paterson, Aaron N. Johnston, Anna C. Ortega, Cody Wallace, Matthew Kauffman

Publikováno v: Ecology and Evolution, Vol 13, Iss 7, Pp n/a-n/a (2023)

Abstract Animal movement is the mechanism connecting landscapes to fitness, and understanding variation in seasonal animal movements has benefited from the analysis and categorization of animal displacement. However, seasonal movement patterns can de

Externí odkaz: https://doaj.org/article/d6974ac375bc455b807c574d7635fe21

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Akademický článek

Freezing in a warming climate: Marked declines of a subnivean hibernator after a snow drought

Autor: Aaron N. Johnston, Roger G. Christophersen, Erik A. Beever, Jason I. Ransom

Publikováno v: Ecology and Evolution, Vol 11, Iss 3, Pp 1264-1279 (2021)

Abstract Recent snow droughts associated with unusually warm winters are predicted to increase in frequency and affect species dependent upon snowpack for winter survival. Changes in populations of some cold‐adapted species have been attributed to

Externí odkaz: https://doaj.org/article/b8acfa48340c4ba88b93f4a55ffca288

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Akademický článek

Variable effects of wind‐energy development on seasonal habitat selection of pronghorn

Autor: Megan C. Milligan, Aaron N. Johnston, Jeffrey L. Beck, Kurt T. Smith, Kaitlyn L. Taylor, Embere Hall, Lee Knox, Teal Cufaude, Cody Wallace, Geneva Chong, Matthew J. Kauffman

Publikováno v: Ecosphere, Vol 12, Iss 12, Pp n/a-n/a (2021)

Abstract In the face of climate change, wind energy represents an important alternative to oil and gas extraction to meet increasing energy demands, but it has the potential to disrupt wildlife populations. Because behavioral adjustments, such as alt

Externí odkaz: https://doaj.org/article/d9b95e79311b444589c6fe603e5a09ac

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Akademický článek

Comparative Quality and Trend of Remotely Sensed Phenology and Productivity Metrics across the Western United States

Autor: Ethan E. Berman, Tabitha A. Graves, Nate L. Mikle, Jerod A. Merkle, Aaron N. Johnston, Geneva W. Chong

Publikováno v: Remote Sensing, Vol 12, Iss 16, p 2538 (2020)

Vegetation phenology and productivity play a crucial role in surface energy balance, plant and animal distribution, and animal movement and habitat use and can be measured with remote sensing metrics including start of season (SOS), peak instantaneou

Externí odkaz: https://doaj.org/article/e71dead0a8f34a64baf9273173a47004

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Foreword to the Special Issue on ‘The rapidly expanding role of drones as a tool for wildlife research’

Autor: Aaron J. Wirsing, Aaron N. Johnston, Jeremy J. Kiszka

Publikováno v: Wildlife Research. 49:i-v

Drones have emerged as a popular wildlife research tool, but their use for many species and environments remains untested and research is needed on validation of sampling approaches that are optimised for unpiloted aircraft. Here, we present a forewo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24cd429e1ab294c9c42b124c9567a4b5
https://doi.org/10.1071/wr22006

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