Fire Concentration (Complex) : Generally, a situation in which numerous fires are burning in a locality. More specifically, the number of fires per unit area or locality for a given period, generally a year
National Wildfire Coordinating Group (NWCG), Glossary of Wildland Fire Terminology, NWCG Program Management Unit, National Interagency Fire Center, Boise, ID, USA 2014. http://www.nwcg.gov/pms/pubs/glossary/pms205.pdf, (For Fr - Amer) {45}