PEARL  Paleoecological Environmental Assessment and Research Laboratory

  Department of Biology, Queen's University, Kingston ON, Canada, K7L 3N6

PEARL Home                    Teaching

                     Seminars    Safety

     Prairie Drought Project    Lake of the Woods Project

Basic Laboratory and Field Methods Used at PEARL

Diatom Prep    Diatom Taxonomy    Microscopy    Invertebrates    Freeze Drying/Dating   

   Glew Coring    Core Extruding    Line Attachment    Water Sampling    Safety


A valuable source of paleolimnological methods is the DPER book series Volumes 1-4  DPER - Book Series

Peat and other types of coring video

Line Attachment Procedures for Glew Gravity Corers


The 'jezioro' package for R is a collection of several functions and datasets that simplify some of the work performed at PEARL. The current version (0.18) contains functions to infer spectral chlorophyll a in sediment samples, calculate 210Pb dates, and simplify cladoceran count data, as well as several example datasets calibration sets. 

'jezioro' for Windows        'jezioro' for Linux/OS X        'jezioro' User Guide


For internal METHODS and DOCUMENTS only available to PEARL students and researchers: Click Here. (Password required)


Other Resources

A great source for Canadian topographic maps is

Google Earth Engine is a useful interactive resource for time-lapse mapping of your study area. You can screen capture video for presentations using Snagit or similar.

There are many resources on our links page at

click tracking