The CPCe (Coral Point Count with Excel extensions) program is a Windows-based software (PC use only) that provides a tool for the determination of coral cover using transect photographs. A specified number of spatially random points are distributed on a transect image and the features underlying the points are user-identified. Coverage statistics are then calculated and the results sent to Excel spreadsheets automatically.
Additionally, CPCe can be used for image calibration and area analysis of benthic features. Excel sheets are automatically generated to summarize the area calculations for each image.
Watch a brief video diplaying the use of CPCe:
Please use the following citation in published literature using CPCe:
Kohler, K.E. and S.M. Gill, 2006. Coral Point Count with Excel extensions (CPCe): A Visual Basic program for the determination of coral and substrate coverage using random point count methodology. Computers and Geosciences, Vol. 32, No. 9, pp. 1259-1269, DOI:10.1016/j.cageo.2005.11.009.
Allows the specification of the rectangular area of interest on the frame image. This area can be marked manually, the entire frame image can be used, x and y offsets from the image edge can be specified, or an area of specific dimensions can be marked.
Specify number of random points: Allows the specification of the number of random points drawn on the image for analysis. The points can be distributed as full random, stratified random, uniform grid, or uniform spacing.
Calculate points: Calculates the positions of the random points drawn on the image.
CPCe is released as copyrighted freeware. It is the National Coral Reef Institute's (NCRI) aim to provide a useful tool for researchers, coral reef managers, and individuals involved in coral reef monitoring, assessment, and restoration.
Due to its popularity, updating CPCe and providing support via email and telephone requires a significant amount of time and effort. If you have found CPCe to be useful for your institution's research, we encourage you to make a donation that will be used for the further development and support of CPCe.
You can make a donation by directly sending a check or by credit card. Please email "CPCe Donations" <cpce_donation_1 barney mail fred ocean fred nova fred edu> for details.
Single user: $200
Multiple user (<10): $500
Multiple user (>10): $1000
CPCe is being made available free of charge to the scientific community as copyrighted freeware and cannot be sold, modified, or re-distributed. You will be sent the download information via email after completing our CPCe Download Request Form.
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