Growth and diet digestibility of cultured sablefish Anoplopoma fimbria : Implications for nutrient waste production and Integrated Multi-Trophic Aquaculture

Performance measures and models for open‐water integrated multi‐trophic aquaculture

“…The rate of nutrient loading from a fed trophic level is a function of feed consumption, which in turn is a function of temperature‐driven growth rate and size of the animal (Reid et al . ). Where there are large differences in seasonal temperatures, discrepancies in seasonal growth rate and nutrient loading with aquaculture in general and IMTA systems can be substantial (Ning et al .…”

“…The nutrient loading discrepancy between production years may be easier for IMTA management with slower growing upper trophic species, such as sablefish (A. fimbria ), where year 2 nutrient loading is only 1.7 times that of year 1 (Reid et al . ). Managing IMTA production scales is less problematic with species that have approximately the same grow‐out cycle (e.g.…”

“…) and have been applied to fish as the upper trophic level in IMTA systems (Reid et al . , ). TGC is a function of historical growth performance under a given temperature regimen, but it may not perform well when applied beyond those conditions (Jobling ).…”

“…; Reid et al . ) or (iii) incidental IMTA occurring through the proximate location of different farms. It has also been suggested that IMTA should be considered at scales larger than defined sites, in the context of an Integrated Coastal Area Management (ICAM) strategy (Chopin ).…”

“…System type will influence management capacity to adjust production ratios, available culture area, and proximity of co-cultured species to nutrient loading sources. Most open-water IMTA sites will fall under one of three categories: (i) sites where co-cultured species are added to an existing commercial-scale aquaculture site (Chopin et al 2012); (ii) custom-designed IMTA farms (Andries 2001;Del Bel Belluz et al 2016;Reid et al 2017) or (iii) incidental IMTA occurring through the proximate location of different farms. It has also been suggested that IMTA should be considered at scales larger than defined sites, in the context of an Integrated Coastal Area Management (ICAM) strategy (Chopin 2018).…”