BIOL 384  -  EXPERIMENTAL RESEARCH IN BIOLOGY

St. Francis Xavier University (Antigonish, Nova Scotia, Canada)


Professor: Dr. Ricardo A. Scrosati (Associate Professor & Canada Research Chair)
Office: BB 335-J
Phone: 867-5289
Research Laboratory: BB 427 (Marine Ecology Lab)
Email: rscrosat@stfx.ca


Lectures: BB 305 (F block)
Lab/Tutorials: BB 334 (G3-H3-J3 block)


Course description: click here.

Lecture Figures: click here.

Guidelines for Literature Research Project: click here.


Online P value calculator


Papers for Discussion and Files for Statistical Exercises:

• Scientific method - Laws in ecology
  Underwood 1991  -  Colyvan & Guinzburg 2003  -  O'Hara 2005

• Significance tests - Negative results
  Buhl-Mortensen 1996  -  Browman 1999  -  Johnson 1999  -  O'Connor 2000

• Confidence intervals
  Wolfe & Hanley 2002

• Multiple comparisons - Criticism of Bonferroni 'correction'
  Moran 2003

• Two-way ANOVA
   Data on species richness (SYSTAT-Windows)
   Summary tables (PDF)

• Repeated-measures ANOVA
   Seaweed pictures (PowerPoint)
   Data and summary tables (PDF)
   Data for one-way RM-ANOVA (SYSTAT-Windows)
   Data for one-way RM-ANOVA (SYSTAT-Macintosh)
   Data for two-way ANOVA with one RM factor (SYSTAT-Windows)
   Data for two-way ANOVA with one RM factor (SYSTAT-Macintosh)

• Simple linear regression and correlation
   Data (SYSTAT-Windows)
   Data and SYSTAT output (PDF)

• Nonlinear regression
   Data (SYSTAT-Windows)
   SYSTAT output (PDF)

• Analysis of covariance (ANCOVA)
   Data on barnacle recruitment (SYSTAT-Windows)
   Summary tables (PDF)

• Ricardo's Day
  Guidelines for Oral Presentation: click here.
  Scrosati & DeWreede 1997: Seaweed population dynamics (model II simple linear regression)
  Keppel & Scrosati 2004: Invertebrate behaviour (chi-square test)
  Scrosati 2004: Seaweed population modelling (non-linear regression)
  Breceda, Ortiz & Scrosati 2005: Tree ecology (model II simple linear regression)
  Scrosati 2006(a): Seaweed population dynamics (one-way repeated-measures ANOVA, non-linear regression)
  Scrosati 2006(b): Plant morphology (model II simple linear regression, non-linear regression)
  Scrosati & Heaven 2007: Community ecology (two-way ANOVA)
  Garbary, Miller, Scrosati, Kim & Schofield 2008: Moss physiology (two-way ANOVA with one repeated-measures factor)
  Longtin & Scrosati 2009: Epiphyte ecology (randomized block design, t-test)
  Belt, Cole & Scrosati 2009: Barnacle ecology (nested ANOVA)
  Scrosati, van Genne, Heaven & Watt 2011: Species diversity in functional groups (factorial nested ANOVA)
  Cole, Scrosati, Tam & Sussmann 2011: Barnacle biogeography (nested design)
  Tam & Scrosati 2011: Predator-prey biogeography (nested ANOVA)

• Multiple linear regression
  Data (SYSTAT-Windows file)
  Explanation of SYSTAT commands and outputs (PDF)

• Hotelling's T² test - One-way MANOVA
  Data for Hotelling's T² test (SYSTAT-Windows)
  Data for one-way MANOVA (SYSTAT-Windows)
  Explanation of SYSTAT commands and output for Hotelling's T² test (PDF)
  Explanation of SYSTAT commands and output for one-way MANOVA (PDF)

• Principal Components Analysis
  Data for PCA (SYSTAT-Windows)
  Explanation of SYSTAT commands and output for PCA (PDF)

• BACI designs
  Underwood 1994  -  Stewart-Oaten & Bence 2001