References

The following articles (I am happy to supply those in review & press and to discuss those in preparation) were cited in (or are very relevant to) this document.

Berntson GM & Woodward FI (1992) The root system architecture and development of Senecio vulgaris in elevated CO2 and drought. Functional Ecology 6: 324-333. 

Berntson GM (1992) A computer program for characterizing root system branching patterns.  Plant andSoil 140: 145-149.

Berntson GM (1994a) Modeling root architecture: Are thre trade-offs between efficiency and potential of resource acquisition?  New Phytologist. In Press

Berntson GM (1994b) Fractal analysis of plant root systems: How reliable are calculations of fractal dimensions? Annals of Botany In Press

Berntson GM, Farnsworth EJ & Bazzaz FA Allocation, deployment and dynamics of root length changes in two birch species. In Review

Berntson GM, Lynch JP & Snapp S Plant root systems and fractals: Characterization of Root Architecture. In P Baveye, JY Parlange and BA Stewart, Fractals and Chaos in Soil Science. In Review

Berntson GM A consideration and comparison of indices used to quantify branching patterns.  In Preparation.  This project involves the application of Monte Carlo simulations using Shreve's (1966) topologically random model to develop a random model of large branching structures and to systematically compare different indices used throughout the biological and geomorphological literature.

Crabtree, RC & Berntson GM  (1994) Root architectural responses of black birch to spatially heterogeneous ammonium and nitrate.  Plant and Soil 158: 129-134.

Harris G &  Campbell GS (1989). Automated quantification of roots using a simple image analyzer. Agronomy Journal 81: 935-938.

Newman E I (1966). A method for estimating total length of root in a sample. Journal of Applied Ecology 3: 139-145.

Pan, WL and Bolton RP (1991). Root quantification by edge discrimination using a desktop scanner. Agronomy Journal 83: 1047-1052.

Tatsumi, Yamauchi & Kono (1989) Fractal analysis of plant root systems. Annals of Botany  64: 499-503.

Zoon, FC & van Tienderen PH (1990). A rapid quantitative measurement of root length and root branching by microcomputer image analysis. Plant and Soil 126: 301-308.