Wendelberger and Maschinski
VEGE-D-15-00243
September 11, 2015
Online Resource Captions
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Online Resource 1 To determine climatic trends in precipitation that may have influenced Tephrosia
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angustissima var. corallicola germination and/or establishment, we examined total precipitation from a nearby
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weather station from spring 2003 to fall 2009 using online records from the NOAA National Climatic Data Center
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and FAWN http://fawn.ifas.ufl.edu/.
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Online Resource 2 To determine climatic trends in temperature that may have influenced Tephrosia
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angustissima var. corallicola germination and/or establishment, we examined mean monthly minimum air
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temperature in the Miami from spring 2003 – fall 2009 using online records from the NOAA National Climatic Data
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Center and FAWN http://fawn.ifas.ufl.edu/. Asterisks indicate minimum winter temperature for each year.
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Online Resource 3 Monitoring dates for Tephrosia angustissima var. corallicola transplant and recruited
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seedling growth, flowering and fruiting, survival, and seedling encounter. The reintroduction occurred on 23 June
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2003.
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Online Resource 4 Tephrosia angustissima var. corallicola recruit germination and survival compared to the
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sum of rainfall three months prior to germination/initial observation. a. Comparing Peak recruit germination time to
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peak rainfall. Vertical dashed line denotes boundaries between years (P = 0.94). b. Probability of survival when the
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sum of rain 3 months prior to germination/initial observation was 2 versus 20 inches. Dashed lines indicate 95%
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confidence intervals. Curves were compared using a likelihood ratio statistic from the cox proportional hazards
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model (Lumley 2008) using rainfall as a factor (LR statistic = 44.83, 1df, P < 0.001). To measure the effects of
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rainfall on recruit germination and survival, we averaged daily rainfall data from three meteorological stations
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triangulating the introduction site using the South Florida Water Management Districts DBHYDRO web-based
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browser (SFWMD 2009). There was an average of three months in between monitoring dates; therefore, we
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summed the amount of rain for three months prior to germination/initial observation to perform our analyses. To test
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the effects of rainfall on recruit germination over time and account for a large number of zeros in the data, we used a
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log count plus 0.5 transformation and fit a random intercepts model with intercepts varying by date (Pinheiro et al.
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2008).
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Wendelberger and Maschinski
VEGE-D-15-00243
September 11, 2015
Online Resource Captions
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