About

Last Update: March 16, 2026

WaNuLCAS Logo

WaNuLCAS-5 is a free, open-source web application. The source code is available at https://github.com/degi/wanulcas, and the online version can be accessed at https://wanulcas.agroforestri.id/. The application was developed using R and JavaScript on the R-Shiny platform. It can be launched locally as a standalone application from its source code using R or RStudio (go to the source code website and follow the instructions).

WaNuLCAS-5 is an updated version of the original WaNuLCAS version 4 developed by World Agroforestry (ICRAF). The previous iteration, WaNuLCAS v4, was implemented using ISEE Stella and MS Excel macro scripts. WaNuLCAS-5 utilizes algorithms similar to those in WaNuLCAS v4 for its core modules and adopts corresponding variable names in its source code.

Application Author and Maintainer: Degi Harja Asmara
Model Authors: Meine van Noordwijk, Betha Lusiana, Ni’matul Khasanah, Rachmat Mulia

Suggested citation for the original model:

van Noordwijk, M., Lusiana, B., Khasanah, N., and Mulia, R., 2011. WaNuLCAS version 4.0: Background on a model of water nutrient and light capture in agroforestry systems. World Agroforestry Centre (ICRAF), Bogor, Indonesia.

Disclaimer and Copyright

Although efforts have been made to incorporate relevant process knowledge across a range of interactions, this model serves primarily as a research tool. Model predictions may help develop specific hypotheses for research, explore potential management options, and extrapolate domains, but they should not be used as authoritative statements per se.

Copy right, but do not copy wrong. The WaNuLCAS model was developed based on publicly funded research at the World Agroforestry Centre (ICRAF) and may be used for non-commercial research purposes in the interest of smallholder agroforesters worldwide.