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Ian S. Pearse
Researcher at United States Geological Survey
Publications - 109
Citations - 3360
Ian S. Pearse is an academic researcher from United States Geological Survey. The author has contributed to research in topics: Biology & Population. The author has an hindex of 26, co-authored 88 publications receiving 2520 citations. Previous affiliations of Ian S. Pearse include Cornell University & Illinois Natural History Survey.
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Journal ArticleDOI
The ecological forecast horizon, and examples of its uses and determinants.
Owen L. Petchey,Owen L. Petchey,Mikael Pontarp,Mikael Pontarp,Thomas M. Massie,Sonia Kéfi,Arpat Ozgul,Maja Weilenmann,Gian Marco Palamara,Florian Altermatt,Florian Altermatt,Blake Matthews,Jonathan M. Levine,Dylan Z. Childs,Brian J. McGill,Michael E. Schaepman,Bernhard Schmid,Piet Spaak,Andrew P. Beckerman,Frank Pennekamp,Ian S. Pearse +20 more
TL;DR: Five case studies illustrate the influence of various sources of uncertainty, level of ecological organisation, and organismal properties on temporal, spatial and phylogenetic forecast horizons and demonstrate that the ecological forecast horizon is a flexible and powerful tool for researching and communicating ecological predictability.
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Mechanisms of mast seeding: resources, weather, cues, and selection.
TL;DR: This work explores how masting is affected by plant resource budgets, fruit maturation success, and hormonal coordination of cues including weather and resources and concludes that RB and EOS models are not alternative explanations for masting - both are required.
Journal ArticleDOI
Phylogenetic and trait similarity to a native species predict herbivory on non-native oaks
Ian S. Pearse,Andrew L. Hipp +1 more
TL;DR: Interactions between introduced plants and their herbivores are driven independently by traits that track plant phylogeny and leaf traits that likely affect herbivore performance.
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Development and Delivery of Species Distribution Models to Inform Decision-Making
Helen R. Sofaer,Catherine S. Jarnevich,Ian S. Pearse,Regan L. Smyth,Stephanie Auer,Gericke Cook,Thomas C. Edwards,Gerald F. Guala,Timothy G. Howard,Jeffrey T. Morisette,Healy Hamilton +10 more
TL;DR: This work provides a rubric that model developers can use to communicate a model’s attributes and its appropriate uses, and highlights how species distribution models have been used to design surveys for new populations, inform spatial prioritization decisions for management actions, and support regulatory decision-making and compliance.
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Increasing phenological asynchrony between spring green-up and arrival of migratory birds
Stephen J. Mayor,Robert P. Guralnick,Morgan W. Tingley,Javier Otegui,John C. Withey,Sarah C. Elmendorf,Margaret E. Andrew,Stefan Leyk,Ian S. Pearse,David C. Schneider +9 more
TL;DR: This work combined satellite and citizen science data to estimate rates of change in phenological interval between spring green-up and migratory arrival for 48 breeding passerine species across North America, highlighting that phenologies of species and trophic levels can shift at different rates, potentially leading to phenological mismatches with negative fitness consequences.