Secondary production is an ecosystem (energy flow ... both aquatic and terrestrial, around the world. IBP Handbooks provided the basic methods for estimating production (e.g. Edmondson & Winberg ...

For the second year in a row, global production of secondary copper should surpass 4.5 million metric tons, according to the International Copper Study Group.

Secondary production of species in multi-species assemblages can be used to quantify bottom-up linkages with flow webs, top-down linkages with ingestion/production webs and trophic position ...