My research interests are always changing and evolving, as they should! Below, I’ve included brief snapshots of topics that represent primary themes in my ongoing research. However, my interests are broad and not limited to just these areas! Visit my publications page for a more comprehensive look at the research I’ve been involved with. Please feel free to reach out if you are interested in learning more.
Biodiversity conservation in a changing climate
Climate change is affecting species and their habitats in ways that alter how we think about conservation. I conduct research that helps uncover the diverse ways wildlife respond to climate change and how we can manage lands to mitigate negative impacts. To do this, I use models that link variation in wildlife population processes (e.g., colonization or extinction dynamics) to environmental conditions under future climate scenarios. Of particular interest is uncovering interactions between effects of climate and land cover on population processes.
Jones, G. M., R. J. Gutiérrez, D. J. Tempel, B. Zuckerberg, M. Z. Peery (2016) Using dynamic occupancy models to inform climate change adaptation strategies for California spotted owls. Journal of Applied Ecology 53: 895-905.
Moyer-Horner, L. R., P. D. Mathewson, G. M. Jones, M. R. Kearney, W. P. Porter (2015) Modeling behavioral thermoregulation in a climate change sentinel. Ecology and Evolution 5(24): 5810-5822.
Conservation of forest species in fire-prone ecosystems
Fire is an important agent of change in ecosystems all over the world. However, because of fire suppression, land development, and global warming, humans have changed the nature of how fires burn. Now, in some parts of the world, fires burn bigger and hotter than they used to, and this poses new challenges for both people and for wildlife that are not adapted to these new fire regimes. I conduct research on wildlife responses to fire, and also wildlife responses to forest management actions that are intended to reduce fire severity (e.g., tree thinning) and increase ecosystem resilience.
Jones, G. M., R. J. Gutiérrez, D. J. Tempel, S. A. Whitmore, W. J. Berigan, M. Z. Peery (2016) Megafires: an emerging threat to old-forest species. Frontiers in Ecology and the Environment 14(6): 300-306.
Kramer, H. A.†, G. M. Jones†, S. A. Whitmore, J. J. Keane, F. A. Atuo, B. P. Dotters, S. C. Sawyer, S. L. Stock, R. J. Gutiérrez, M. Z. Peery (2021) California spotted owl habitat selection in a fire-managed landscape suggests conservation benefit of restoring historical fire regimes. Forest Ecology and Management 479: 118576. †co-lead authors
Applying occupancy estimation and modeling in wildlife conservation
Occupancy modeling is a flexible and powerful approach for making inferences about wildlife populations and their status, trends, and dynamics in space and time. I am interested in understanding how these models are applied (and also how they can be mis-applied) in the context of wildlife conservation and management, how they should be adapted and interpreted within the context of the ecology of animals under study, and how researchers can make inferences from these models that maximizes their usefulness for conservation practitioners.
Berigan, W. J.†, G. M. Jones†, S. A. Whitmore, R. J. Gutiérrez, M. Z. Peery (2019) Cryptic wide-ranging movements lead to upwardly-biased occupancy in a territorial species. Journal of Applied Ecology 56: 470-480. †co-lead authors
Jones, G. M. and M. Z. Peery (2019) Phantom interactions: use odds ratios or risk misinterpreting occupancy models. The Condor: Ornithological Applications 121: 1-7.
Mechanisms of wildlife population decline and recovery
A key part of successful species conservation is identifying what factors have led to population declines, and using this information to inform recovery strategies. Often, there are multiple causes of decline that act on populations simultaneously, and it can be tricky to identify which are the most important for halting and reversing declines. I use occupancy and demographic modeling coupled with other emerging tools and technologies to reveal mechanisms of population declines that can inform and improve conservation efforts.
Jones, G. M., J. J. Keane, R. J. Gutiérrez, M. Z. Peery (2018) Declining old-forest species as a legacy of large trees lost. Diversity and Distributions 24: 341-351.
Hobart, B. K., G. M. Jones, K. N. Roberts, B. Dotters, S. A. Whitmore, W. J. Berigan, M. G. Raphael, J. J. Keane, R. J. Gutiérrez, M. Z. Peery (2019) Trophic interactions mediate the response of predator populations to habitat change. Biological Conservation 238: 108217.
Movement ecology and resource selection by animals
The way that animals move across landscapes gives us information about what environmental features are important to them. With emerging high-resolution GPS technologies, our ability to discern fine-grained movements by animals can help us better understand their spatial habitat ecology and inform targeted land management for conservation. I use animal movement models (e.g. resource- and step-selection functions) to understand the role of individual variation, landscape configuration, and environmental gradients in mediating resource selection by animals.
Jones, G. M., H. A. Kramer, S. A. Whitmore, W. J. Berigan, D. J. Tempel, C. M. Wood, B. K. Hobart, T. Erker, F. A. Atuo, N. K. Pietrunti, R. Kelsey, R. J. Gutiérrez, M. Z. Peery (2020) Habitat selection by spotted owls after a megafire reflects their adaptation to historical frequent-fire regimes. Landscape Ecology 35: 1199-1213.
Kramer, H. A., G. M. Jones, V. Kane, B. Bartl-Geller, J. Kane, S. A. Whitmore, W. J. Berigan, B. P. Dotters, K. N. Roberts, S. C. Sawyer, J. J. Keane, M. P. North, R. J. Gutiérrez, M. Z. Peery (In revision) Elevational gradients strongly mediate habitat selection patterns in a nocturnal predator.
Forest management effects on biodiversity and ecosystem services
An important piece of the global strategy to mitigate the impacts of climate change is a decreased dependence on fossil fuels, and an increased reliance on sustainable energy. Cellulosic biofuels (e.g., fuels derived from plant matter, such as grasses and wood) are expected to play an increasingly important role in the global sustainable energy market, but we don’t yet have a full grasp on the implications of related land-use change for biodiversity and ecosystem services (e.g., water quality). I’m working with Dr. Rob Fletcher and colleagues to figure out how to make bioenergy production in the southeastern US more sustainable for wildlife and ecosystems.
Ober, H. K., G. M. Jones, I. G. W. Gottlieb, S. A. Johnson, L. Smith, B. Brosi, R. J. Fletcher Jr. (2020) Bat community response to intensification of biomass production for bioenergy across the southeastern United States. Ecological Applications 30: e02155.
Jones, G. M., L. L. Smith, I. G. W. Gottlieb, H. K. Ober, B. Brosi, R. J. Fletcher Jr. (2020) Herpetofaunal responses to woody bioenergy intensification in a global biodiversity hotspot. Forest Ecology and Management 477: 118493.