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Distribution of 1000 randomly-chosen trees, representing candidate topologies for the phylogeny of Canadian butterflies. 95 species were missing genetic data, and so had to be placed within the original phylogeny (246 species) that was constructed using 8 nuclear and mitochondrial genes.Using a series of hard and soft constraints, data-deficient species were placed within the phylogeny at the lowest known taxonomic resolution possible without violating monophyletic relationships. For example, species that were members of a genus where at least one member of that genus had genetic data were allowed to enter that genus. However, if a data-deficient species did not have a sequenced congener, it could move within its family with additional hard constraints preventing it from entering other genera within that family.
Author: Lewthwaite, Jayme M.M., Author: Angert, Amy L. , Author: Kembel, Steven W., Author: Goring, Simon J., Author: Davies, T. Jonathan, Author: Mooers, Arne.O., Author: Sperling, Felix A.H, Author: Vamosi, Steven M., Author: Vamosi, Jana C., Author: Kerr, Jeremy T.
Date created: 2015-10-05
Program and backgrounder from the 3rd Annual symposium in the Rethinking the Region series hosted by the Urban Studies Program, Simon Fraser University. Held at SFU Vancouver, May 2, 2015.
Author: SFU Urban Studies
Date created: 2015-05
Program, backgrounder and discussion guide from the 4th Annual symposium (2016) in the Rethinking the Region series hosted by the Urban Studies Program, Simon Fraser University. Held at the Anvil Centre, New Westminster, April 30, 2016.
Author: SFU Urban Studies
Date created: 2016-04