Guan-Dong Yang's research while affiliated with Nanjing Agricultural University and other places
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Publications (13)
[This corrects the article DOI: 10.1371/journal.pone.0179553.].
Shift in the distribution of phylogenetic root ages for a) Random at μM = 0.5, b) selective-on-diversifiers at μM = 0.5, c) selective-on-relicts at μM = 0.5.
Bars and axes as in main text Fig 4.
(TIF)
Three representative replicates showing early (purple trace), middle (blue trace), and late (black trace) Yule zone breakout and return behaviour.
The late-breaking replicate run was extended in order for return to the Yule zone to be clearly shown. Dot-dash vertical line at t = 300 indicates where mass extinction treatment would occur.
a)
Using B...
(a-c). Three representative replicates showing offset between maximum trait variance and peak imbalance (goes with S3 Data). Black trace, tree balance; red trace, trait variance; dashed horizontal red line, trait variance = 1.0; dot-dash vertical black line, time of extinction treatment; dashed horizontal red line, time of maximum trait variance; d...
The kind and duration of phylogenetic topological " signatures " left in the wake of macroevo-lutionary events remain poorly understood. To this end, we examined a broad range of simulated phylogenies generated using trait-biased, heritable speciation probabilities and mass extinction that could be either random or selective on trait value, but als...
(a-c). Three representative replicates showing connection between change in tree balance and loss of phylogenetic root during return to Yule zone. Plots show behavior of Control replicates only. Top panel, trajectory of tree balance; bottom panel, change in root age. A larger root age value signifies a younger root.
(TIF)
Comparison of tree balance in mass extinction treatments to corresponding controls at clade-size recovery and CSR/end interval points.
Contains Tables D-G.
Table D (goes with S2 Data). Mean differences in balance between mass extinction treatments at CSR/end first-quarter point. See Methods for statistical analysis. Significance levels: no asterisk...
Effect of different mass extinction treatments on tree balance for the three representative replicates shown in S1 Fig (goes with S1 Data).
Time of extinction treatment is t = 300 in all cases. Extinction strength is μM = 0.9 for all cases. Black trace, Control; red trace, Random; blue trace, selective-on-diversifiers; purple trace, selective-on-re...
Thirty replicates of two-phase experiments showing double peak in trait variance and offset between trait variance and imbalance peaks for each phase (goes with S3 Data).
Each coloured trace is an individual replicate. Upper panel, trait variance; lower panel, tree balance.
(TIF)
Yule zone breakout and peak imbalance behaviour are linked to trait value limits and exhaustion of trait variance.
(DOCX)
Histograms showing shift in distribution of trait variance over time (goes with S3 Data).
Figures correspond to replicate shown in S3c Fig.
a)
t = 165, trait variance approximately 1, increasing
b)
t = 320, trait variance at half-maximum, increasing
c)
t = 400, maximum variance
d)
t = 420, half-maximum, descending
e)
t = 520, variance < 1 but...
Effects of mass extinction treatments on Yule zone breakout times, Yule zone return times, and time of clade-size recovery.
Contains Tables A-C.
Table A. Average times of Yule zone breakout (see text for definition) for each treatment type (goes with S1 Data). All quantities are in simulation time units, expressed as averages ± 2 standard errors. N...
Shift in the distribution of phylogenetic root ages for a) Random at μM = 0.9, b) selective-on-diversifiers at μM = 0.9, c) selective-on-relicts at μM = 0.9.
Bars and axes as in main text Fig 4.
(TIF)
Citations
... Naturally, there has been extensive work on using different balance indices for significance testing (e.g. Agapow and Purvis, 2002;Blum and François, 2005;Yang et al., 2017). However previous works nearly always worked with indices that only considered the topology and often obtained the rejection regions through direct simulations. ...