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    Author(s): Michael J. Wisdom; Ryan M. Nielson; Mary M. Rowland; Kelly M. Proffitt
    Date: 2020
    Source: Frontiers in Ecology and Evolution. 8:211.
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (4.0 MB)

    Description

    Modeling landscape use (i.e., estimating the probability or relative probability of use, occurrence, or selection in a given area and time) by ungulates is an increasingly common and important practice in research and management. Models of occupancy, distribution, movement, habitat use, and resource selection are formal approaches by which landscape use has been characterized and results published for a myriad of ungulate species. Understanding landscape use has benefited from a growing volume of data on animal locations and model covariates, and the ease of modeling with automated software. These models are particularly noteworthy in their potential to estimate use at multiple scales, characterize individual and population distributions, and predict spatiotemporal responses to environmental change. Despite these advantages, ecological processes can be secondary or forgotten. Models without a strong ecological foundation may perform well in case studies but fail to advance our understanding of a species’ habitat requirements and response to habitat change across a broad inference space. In response, we describe criteria, synthesized from the ecological literature, of direct relevance to modeling landscape use for advancing the ecological understanding and effective management of ungulates. Criteria include (1) a knowledge coproduction framework for scientist-manager collaborations; (2) an explicit inference space with supporting replication for broad inference; (3) process covariates and their ecological scaling to address habitat requirements; (4) ecologically plausible sets of competing models; (5) model evaluation to address objectives and hypotheses of ecological importance; (6) assessment of relationships with animal and population performance; and (7) reliable interpretations for ecological understanding and management uses. Contemporary modeling of landscape use has been challenged by large, disparate data sources and an emphasis on statistical methods. However, advances in knowledge and conservation of ungulates based on tenets of ecology, management, and inference are achievable with careful consideration of these criteria.

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    Citation

    Wisdom, Michael J.; Nielson, Ryan M.; Rowland, Mary M.; Proffitt, Kelly M. 2020. Modeling landscape use for ungulates: Forgotten tenets of ecology, management, and inference. Frontiers in Ecology and Evolution. 8:211. https://doi.org/10.3389/fevo.2020.00211.

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    Keywords

    Habitat use, model development, covariates, evaluation, inference space, occupancy modeling, resource selection, ungulate management.

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