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Jason J. Roberts

Researcher at Duke University

Publications -  50
Citations -  2333

Jason J. Roberts is an academic researcher from Duke University. The author has contributed to research in topics: Population & Biological dispersal. The author has an hindex of 23, co-authored 46 publications receiving 1838 citations. Previous affiliations of Jason J. Roberts include Microsoft & Dalhousie University.

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Outstanding Challenges in the Transferability of Ecological Models.

Katherine L. Yates, +54 more
TL;DR: Of high importance is the identification of a widely applicable set of transferability metrics, with appropriate tools to quantify the sources and impacts of prediction uncertainty under novel conditions.
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Marine Geospatial Ecology Tools: An integrated framework for ecological geoprocessing with ArcGIS, Python, R, MATLAB, and C++

TL;DR: MGET is developed, an extensible collection of powerful, easy-to-use, open-source geoprocessing tools that ecologists can invoke from ArcGIS without resorting to computer programming.
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Reproductive output and duration of the pelagic larval stage determine seascape-wide connectivity of marine populations.

TL;DR: An approach that quantifies geographic patterns of connectivity from demographically relevant to evolutionarily significant levels across a range of species is described and geographically explicit models of marine connectivity that define dispersal corridors, barriers, and the emergent structure of marine populations are created.
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Habitat-based cetacean density models for the U.S. Atlantic and Gulf of Mexico.

TL;DR: This work integrated 23 years of aerial and shipboard cetacean surveys, linked them to environmental covariates obtained from remote sensing and ocean models, and built habitat-based density models for 26 species and 3 multi-species guilds using distance sampling methodology, revealing high regional differences in small delphinoid densities.
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High connectivity among habitats precludes the relationship between dispersal and range size in tropical reef fishes

TL;DR: It is found that although there are several areas of great isolation in the tropical oceans, most reef habitats are within the reach of most species given their PLDs and a global ocean circulation model was developed to quantify the connectivity among tropical reefs relative to the potential dispersal conferred by PLD.