Sven Erik Jorgensen 
Handbook of Ecological Models used in Ecosystem and Environmental Management [PDF ebook] 

It is estimated that roughly 1000 new ecological and environmental models join the ranks of the scientific literature each year. The international peer-reviewed literature reports some 20, 000 new models spanning the period from 1970-2010. Just to keep abreast of the field it is necessary to design a handbook of models that doesn’t merely list them,