Rob Massatti, Ph.D. (Former Employee)
Science and Products
Filter Total Items: 13
Penstemon grahamii genetic data from a dryland region of the western United States Penstemon grahamii genetic data from a dryland region of the western United States
These data were compiled to investigate the evolutionary history of Graham's beardtongue (Penstemon grahamii). Objective(s) of our study were to determine the evolutionary history of P. grahamii, including ancestral population sizes, the history of population divergences, and historical connectivity. In addition, we characterized population structure, genetic diversity summary statistics...
Astragalus species complex genetic data from southeast Utah (Grand County and San Juan County), USA Astragalus species complex genetic data from southeast Utah (Grand County and San Juan County), USA
These data were compiled to investigate the evolutionary history of Astragalus iselyi, A. sabulosus var. sabulosus, and A. sabulosus var. vehiculus. The data release consists of six text files. One file is a bash script (astragalus_MLE_msms.sh) for generating simulated genetic data. Four files contain individual-level (astragalus.fasta, astragalus.nothin.recode.vcf, astragalus.recode.vcf...
Cleome lutea and Machaeranthera canescens seed transfer zones and distribution on the Colorado Plateau, US Cleome lutea and Machaeranthera canescens seed transfer zones and distribution on the Colorado Plateau, US
These data were compiled to provide seed transfer and native plant materials development guidance to managers and practitioners across the Colorado Plateau and in adjacent regions. This data release contains empirical seed transfer zones derived from molecular genetic data for Cleome lutea (syn. Peritoma lutea) and Machaeranthera canescens (syn. Dieteria canescens). These species show...
'Viva' native plant material data in support of restoration and conservation 'Viva' native plant material data in support of restoration and conservation
These data were compiled to investigate the evolutionary history of Hilaria jamesii, Hilaria mutica, and Hilaria rigida. The data release consists of two tab delimited text files that may be used to infer population structure (viva_structure.stru) or relationships among sampling localities (viva.phylip). Files record genetic variation on an individual (.stru) or sampling locality (...
Population genetic and climatic variability data across western North America, 1915-2015 Population genetic and climatic variability data across western North America, 1915-2015
Environmental Analysis Data: These data were compiled to investigate the complex interactions between environmental gradients and geographic distance across the Intermountain West of the western United States. Due to complex topography, physiographic heterogeneity, and complicated relationships with large bodies of water, spatial autocorrelation of environmental similarity may be...
Hilaria jamesii data for the Colorado Plateau of the southwestern United States Hilaria jamesii data for the Colorado Plateau of the southwestern United States
These data were compiled to investigate the demographic, phylogeographic, and adaptation history of Hilaria jamesii. The data release consists of three tab delimited text files that may be used to infer population structure or putative adaptive loci (hija_adaptation_dataset.stru), relationships among sampling localities (hija_phylogeny_dataset.phylip), or genetic diversity statistics...
Filter Total Items: 28
Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2022 Report) Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2022 Report)
A primary focus of the Colorado Plateau Native Plant Program (CPNPP) is to identify and develop appropriate native plant materials (NPMs) for current and future restoration projects. Multiple efforts have characterized the myriad challenges inherent in providing appropriate seed resources to enable effective, widespread restoration and have identified a broad suite of research activities...
Authors
Robert Massatti, Daniel E. Winkler, Sasha C. Reed, Michael C. Duniway, Seth M. Munson, John B. Bradford
Evolutionary dynamics inform management interventions of a hanging garden obligate, Carex specuicola Evolutionary dynamics inform management interventions of a hanging garden obligate, Carex specuicola
Uncovering the historical and contemporary processes shaping rare species with complex distributions is of growing importance due to threats such as habitat destruction and climate change. Species restricted to specialized, patchy habitat may persist by virtue of life history characteristics facilitating ongoing gene flow and dispersal, but they could also reflect the remnants of...
Authors
Kenneth James Chapin, Matthew R Jones, Daniel E. Winkler, Glenn Rink, Robert Massatti
Assessing population genomic structure and polyploidy: A crucial step for native plant restoration Assessing population genomic structure and polyploidy: A crucial step for native plant restoration
Establishing an effective restoration program requires baseline genetic information to make sound decisions for seed increase and transfer. For many plants this information is lacking, especially among native forbs that are critical for pollinator health. Erigeron speciosus is a widespread, perennial forb occupying montane environments in the western United States and Canada. This...
Authors
Bryce A. Richardson, Robert Massatti, Nurul Islam-Faridi, Skylar Johnson, Francis F. Kilkenny
Spatially explicit management of genetic diversity using ancestry probability surfaces Spatially explicit management of genetic diversity using ancestry probability surfaces
1. Ecological restoration and conservation efforts are increasing worldwide and the management of intraspecific genetic variation in plants and animals, an important component of biodiversity, is increasingly valued. As a result, tailorable, spatially explicit approaches to map genetic variation are needed to support decision-making and management frameworks related to the recovery of...
Authors
Robert Massatti, Daniel E. Winkler
Hybrid enrichment of adaptive variation revealed by genotype-environment associations in montane sedges Hybrid enrichment of adaptive variation revealed by genotype-environment associations in montane sedges
The role of hybridization in diversification is complex and may result in many possible outcomes. Not only can hybridization produce new lineages, but those lineages may contain unique combinations of adaptive genetic variation derived from parental taxa that allow hybrid-origin lineages to occupy unique environmental space relative to one (or both) parents. We document such a case of
Authors
Richard G.J. Hodel, Robert Massatti, L Lacey Knowles
Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2021 Report) Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2021 Report)
A primary focus of the Colorado Plateau Native Plant Program (CPNPP) is to identify and develop appropriate native plant materials (NPMs) for current and future restoration projects. Multiple efforts have characterized the myriad challenges inherent in providing appropriate seed resources to enable effective, widespread restoration and have identified a broad suite of research activities...
Authors
Robert Massatti, Daniel E. Winkler, Sasha C. Reed, Michael C. Duniway, Seth M. Munson, John B. Bradford
Non-USGS Publications**
Massatti, R., Doherty, K.D. and Wood, T.E. (2018), Resolving neutral and deterministic contributions to genomic structure in Syntrichia ruralis (Bryophyta, Pottiaceae) informs propagule sourcing for dryland restoration. Conservation Genetics, 19: 85.
Knowles, L. L. and Massatti, R. (2017), Distributional shifts – not geographic isolation – as a probable driver of montane species divergence. Ecography, 40: 1475-1485.
Massatti, R. and Knowles, L. L. (2016), Contrasting support for alternative models of genomic variation based on microhabitat preference: species‐specific effects of climate change in alpine sedges. Molecular Ecology, 25: 3974-3986.
Knowles, L. L., Massatti, R. , He, Q. , Olson, L. E. and Lanier, H. C. (2016), Quantifying the similarity between genes and geography across Alaska's alpine small mammals. Journal of Biogeography, 43: 1464-1476.
Massatti, R. , Reznicek, A. A. and Knowles, L. L. (2016), Utilizing RADseq data for phylogenetic analysis of challenging taxonomic groups: A case study in Carex sect. Racemosae. American Journal of Botany, 103: 337-347.
Lanier, H. C., Massatti, R. , He, Q. , Olson, L. E. and Knowles, L. L. (2015), Colonization from divergent ancestors: glaciation signatures on contemporary patterns of genomic variation in Collared Pikas (Ochotona collaris). Molecular Ecology, 24: 3688-3705.
Massatti, R. and Knowles, L. L. (2014), Microhabitat differences impact phylogeographic concordance of codistributed species: genomic evidence in montane sedges (Carex L.) from the Rocky Mountains. Evolution, 68: 2833-2846.
Coop, J. D., Massatti, R. T. and Schoettle, A. W. (2010), Subalpine vegetation pattern three decades after stand‐replacing fire: effects of landscape context and topography on plant community composition, tree regeneration, and diversity. Journal of Vegetation Science, 21: 472- 487.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Filter Total Items: 13
Penstemon grahamii genetic data from a dryland region of the western United States Penstemon grahamii genetic data from a dryland region of the western United States
These data were compiled to investigate the evolutionary history of Graham's beardtongue (Penstemon grahamii). Objective(s) of our study were to determine the evolutionary history of P. grahamii, including ancestral population sizes, the history of population divergences, and historical connectivity. In addition, we characterized population structure, genetic diversity summary statistics...
Astragalus species complex genetic data from southeast Utah (Grand County and San Juan County), USA Astragalus species complex genetic data from southeast Utah (Grand County and San Juan County), USA
These data were compiled to investigate the evolutionary history of Astragalus iselyi, A. sabulosus var. sabulosus, and A. sabulosus var. vehiculus. The data release consists of six text files. One file is a bash script (astragalus_MLE_msms.sh) for generating simulated genetic data. Four files contain individual-level (astragalus.fasta, astragalus.nothin.recode.vcf, astragalus.recode.vcf...
Cleome lutea and Machaeranthera canescens seed transfer zones and distribution on the Colorado Plateau, US Cleome lutea and Machaeranthera canescens seed transfer zones and distribution on the Colorado Plateau, US
These data were compiled to provide seed transfer and native plant materials development guidance to managers and practitioners across the Colorado Plateau and in adjacent regions. This data release contains empirical seed transfer zones derived from molecular genetic data for Cleome lutea (syn. Peritoma lutea) and Machaeranthera canescens (syn. Dieteria canescens). These species show...
'Viva' native plant material data in support of restoration and conservation 'Viva' native plant material data in support of restoration and conservation
These data were compiled to investigate the evolutionary history of Hilaria jamesii, Hilaria mutica, and Hilaria rigida. The data release consists of two tab delimited text files that may be used to infer population structure (viva_structure.stru) or relationships among sampling localities (viva.phylip). Files record genetic variation on an individual (.stru) or sampling locality (...
Population genetic and climatic variability data across western North America, 1915-2015 Population genetic and climatic variability data across western North America, 1915-2015
Environmental Analysis Data: These data were compiled to investigate the complex interactions between environmental gradients and geographic distance across the Intermountain West of the western United States. Due to complex topography, physiographic heterogeneity, and complicated relationships with large bodies of water, spatial autocorrelation of environmental similarity may be...
Hilaria jamesii data for the Colorado Plateau of the southwestern United States Hilaria jamesii data for the Colorado Plateau of the southwestern United States
These data were compiled to investigate the demographic, phylogeographic, and adaptation history of Hilaria jamesii. The data release consists of three tab delimited text files that may be used to infer population structure or putative adaptive loci (hija_adaptation_dataset.stru), relationships among sampling localities (hija_phylogeny_dataset.phylip), or genetic diversity statistics...
Filter Total Items: 28
Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2022 Report) Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2022 Report)
A primary focus of the Colorado Plateau Native Plant Program (CPNPP) is to identify and develop appropriate native plant materials (NPMs) for current and future restoration projects. Multiple efforts have characterized the myriad challenges inherent in providing appropriate seed resources to enable effective, widespread restoration and have identified a broad suite of research activities...
Authors
Robert Massatti, Daniel E. Winkler, Sasha C. Reed, Michael C. Duniway, Seth M. Munson, John B. Bradford
Evolutionary dynamics inform management interventions of a hanging garden obligate, Carex specuicola Evolutionary dynamics inform management interventions of a hanging garden obligate, Carex specuicola
Uncovering the historical and contemporary processes shaping rare species with complex distributions is of growing importance due to threats such as habitat destruction and climate change. Species restricted to specialized, patchy habitat may persist by virtue of life history characteristics facilitating ongoing gene flow and dispersal, but they could also reflect the remnants of...
Authors
Kenneth James Chapin, Matthew R Jones, Daniel E. Winkler, Glenn Rink, Robert Massatti
Assessing population genomic structure and polyploidy: A crucial step for native plant restoration Assessing population genomic structure and polyploidy: A crucial step for native plant restoration
Establishing an effective restoration program requires baseline genetic information to make sound decisions for seed increase and transfer. For many plants this information is lacking, especially among native forbs that are critical for pollinator health. Erigeron speciosus is a widespread, perennial forb occupying montane environments in the western United States and Canada. This...
Authors
Bryce A. Richardson, Robert Massatti, Nurul Islam-Faridi, Skylar Johnson, Francis F. Kilkenny
Spatially explicit management of genetic diversity using ancestry probability surfaces Spatially explicit management of genetic diversity using ancestry probability surfaces
1. Ecological restoration and conservation efforts are increasing worldwide and the management of intraspecific genetic variation in plants and animals, an important component of biodiversity, is increasingly valued. As a result, tailorable, spatially explicit approaches to map genetic variation are needed to support decision-making and management frameworks related to the recovery of...
Authors
Robert Massatti, Daniel E. Winkler
Hybrid enrichment of adaptive variation revealed by genotype-environment associations in montane sedges Hybrid enrichment of adaptive variation revealed by genotype-environment associations in montane sedges
The role of hybridization in diversification is complex and may result in many possible outcomes. Not only can hybridization produce new lineages, but those lineages may contain unique combinations of adaptive genetic variation derived from parental taxa that allow hybrid-origin lineages to occupy unique environmental space relative to one (or both) parents. We document such a case of
Authors
Richard G.J. Hodel, Robert Massatti, L Lacey Knowles
Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2021 Report) Supporting the development and use of native plant materials for restoration on the Colorado Plateau (Fiscal Year 2021 Report)
A primary focus of the Colorado Plateau Native Plant Program (CPNPP) is to identify and develop appropriate native plant materials (NPMs) for current and future restoration projects. Multiple efforts have characterized the myriad challenges inherent in providing appropriate seed resources to enable effective, widespread restoration and have identified a broad suite of research activities...
Authors
Robert Massatti, Daniel E. Winkler, Sasha C. Reed, Michael C. Duniway, Seth M. Munson, John B. Bradford
Non-USGS Publications**
Massatti, R., Doherty, K.D. and Wood, T.E. (2018), Resolving neutral and deterministic contributions to genomic structure in Syntrichia ruralis (Bryophyta, Pottiaceae) informs propagule sourcing for dryland restoration. Conservation Genetics, 19: 85.
Knowles, L. L. and Massatti, R. (2017), Distributional shifts – not geographic isolation – as a probable driver of montane species divergence. Ecography, 40: 1475-1485.
Massatti, R. and Knowles, L. L. (2016), Contrasting support for alternative models of genomic variation based on microhabitat preference: species‐specific effects of climate change in alpine sedges. Molecular Ecology, 25: 3974-3986.
Knowles, L. L., Massatti, R. , He, Q. , Olson, L. E. and Lanier, H. C. (2016), Quantifying the similarity between genes and geography across Alaska's alpine small mammals. Journal of Biogeography, 43: 1464-1476.
Massatti, R. , Reznicek, A. A. and Knowles, L. L. (2016), Utilizing RADseq data for phylogenetic analysis of challenging taxonomic groups: A case study in Carex sect. Racemosae. American Journal of Botany, 103: 337-347.
Lanier, H. C., Massatti, R. , He, Q. , Olson, L. E. and Knowles, L. L. (2015), Colonization from divergent ancestors: glaciation signatures on contemporary patterns of genomic variation in Collared Pikas (Ochotona collaris). Molecular Ecology, 24: 3688-3705.
Massatti, R. and Knowles, L. L. (2014), Microhabitat differences impact phylogeographic concordance of codistributed species: genomic evidence in montane sedges (Carex L.) from the Rocky Mountains. Evolution, 68: 2833-2846.
Coop, J. D., Massatti, R. T. and Schoettle, A. W. (2010), Subalpine vegetation pattern three decades after stand‐replacing fire: effects of landscape context and topography on plant community composition, tree regeneration, and diversity. Journal of Vegetation Science, 21: 472- 487.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.