Publications

(2026). Modeling recreational visitation at Bureau of Land Management sites. Scientific Reports.

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(2026). Large Recreation Declines Persist for Years after Severe Wildfire but Not after Low-Severity or Prescribed Fire.

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(2026). Visitor perception of lake water quality in two highly managed urban lakes in Saint Paul, Minnesota. Urban Ecosystems.

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(2026). Evaluating Mobility Data for Recreation Monitoring: Diagnostics and Implications for Best Practice. Land Economics.

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(2026). Wildfire and Forest Management: Opportunities for HCI Research. ACM Transactions on Computer-Human Interaction.

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(2025). A national model for estimating United States public land visitation. Scientific Reports.

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(2025). Adapting visitor use management under a changing climate across the U.S. National Park System. Journal of Environmental Management.

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(2025). Relative recreation use in National Forest System firesheds from 2015-2023.

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(2025). National Park Service staff perspectives on how climate change affects visitor use. People and Nature.

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(2025). Monitoring recreation on federally managed lands and waters — visitation estimation. U.S. Department of the Interior, U.S. Geological Survey.

(2025). Leveraging digital mobility data to estimate visitation in National Wildlife Refuges. Journal of Environmental Management.

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(2025). Characterizing social and ecological values expressed in US Forest Service public comments using a computational approach. People and Nature.

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(2025). A review of the effects of climate change on visitor use in US public lands and waters. National Park Service.

(2024). The influence of wildfire risk reduction programs and practices on recreation visitation. International Journal of Wildland Fire.

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(2024). Social–ecological benefits of land–sea planning at multiple scales in Mesoamerica. Nature Sustainability.

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(2024). Quantifying impacts of recreation on elk (Cervus canadensis) using novel modeling approaches. Ecosphere.

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(2024). Novel data in recreation monitoring—summary proceedings from interagency workshops in 2019 and 2023. U.S. Geological Survey.

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(2023). A text-messaging chatbot to support outdoor recreation monitoring through community science. Digital Geography and Society.

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(2023). Evidence-based target setting informs blue carbon strategies for nationally determined contributions. Nature Ecology & Evolution.

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(2023). Social media data for environmental sustainability: A critical review of opportunities, threats, and ethical use. One Earth.

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(2023). Where wilderness is found: Evidence from 70,000 trip reports. People and Nature.

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(2023). Monitoring Winter Backcountry Recreation. Proceedings of the International Snow Science Workshop.

(2023). Modeling and forecasting percent changes in national park visitation using social media. Journal of Forecasting.

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(2023). Data-driven predictions of summertime visits to lakes across 17 US states. Ecosphere.

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(2022). Impact of Exogenous Biases of Instagram Posts on Park Visitation Estimation. Proceedings of the 33rd ACM Conference on Hypertext and Social Media.

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(2022). Conceptualizing ecosystem services using social–ecological networks. Trends in Ecology & Evolution.

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(2022). Biodiversity and infrastructure interact to drive tourism to and within Costa Rica. Proceedings of the National Academy of Sciences.

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(2022). An open-source image classifier for characterizing recreational activities across landscapes. People and Nature.

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(2021). Effects of the COVID-19 Pandemic on Park Visitation Measured by Social Media. Companion Publication of the 2021 Conference on Computer Supported Cooperative Work and Social Computing.

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(2021). An ecosystem service perspective on urban nature, physical activity, and health. Proceedings of the National Academy of Sciences.

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(2021). Online auction marketplaces as a global pathway for aquatic invasive species. Hydrobiologia.

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(2021). No Walk in the Park: The Viability and Fairness of Social Media Analysis for Parks and Recreational Policy Making. Proceedings of the International AAAI Conference on Web and Social Media.

(2021). Advancing Sustainable Development and Protected Area Management with Social Media-Based Tourism Data. Sustainability.

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(2020). Next-generation visitation models using social media to estimate recreation on public lands. Scientific Reports.

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(2020). A bobber's perspective on angler-driven vectors of invasive species transmission.. NeoBiota.

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(2020). Quantifying Biases in Social Media Analysis of Recreation in Urban Parks. 2020 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops).

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(2019). Social-ecological and technological factors moderate the value of urban nature. Nature Sustainability.

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(2018). Geolocated social media as a rapid indicator of park visitation and equitable park access. Computers, Environment and Urban Systems.

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(2018). Consequences of integrating livestock and wildlife in an African savanna. Nature Sustainability.

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(2018). Recreational use in dispersed public lands measured using social media data and on-site counts. Journal of Environmental Management.

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(2018). Inequality in access to cultural ecosystem services from protected areas in the Chilean biodiversity hotspot. Science of The Total Environment.

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(2018). Using social media to understand drivers of urban park visitation in the Twin Cities, MN. Landscape and Urban Planning.

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(2017). Photos, tweets, and trails: Are social media proxies for urban trail use?. Journal of Transport and Land Use.

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(2017). Mapping the global value and distribution of coral reef tourism. Marine Policy.

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(2017). Nature Contact and Human Health: A Research Agenda. Environmental Health Perspectives.

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(2016). Measuring recreational visitation at U.S. National Parks with crowd-sourced photographs. Journal of Environmental Management.

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(2016). Spatial and Temporal Dynamics and Value of Nature-Based Recreation, Estimated via Social Media. PLOS ONE.

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(2016). Evaluating the role of coastal habitats and sea-level rise in hurricane risk mitigation: An ecological economic assessment method and application to a business decision: Habitats and Hurricane Risk Mitigation. Integrated Environmental Assessment and Management.

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(2015). Embedding ecosystem services in coastal planning leads to better outcomes for people and nature. Proceedings of the National Academy of Sciences.

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(2015). Recreational demand for clean water: evidence from geotagged photographs by visitors to lakes. Frontiers in Ecology and the Environment.

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(2013). Using social media to quantify nature-based tourism and recreation. Scientific Reports.

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