@article{fdi:010072790, title = {{E}nvironmental assessment of the {P}eruvian industrial hake fishery with {LCA}}, author = {{A}vadi, {A}. and {A}drien, {R}. and {A}ramayo, {V}. and {F}r{\'e}on, {P}ierre}, editor = {}, language = {{ENG}}, abstract = {{T}he {P}eruvian hake ({M}erluccius gayi peruanus) stock has been in a delicate state in the last decades due to overexploitation combined with adverse climatic events. {T}he stock is showing certain signs of recovery since 2012. {T}his work analyses the environmental impacts of current fleet operations and its likely trend. {T}he fleet was divided into coherent segments, per holding capacity and engine power. {T}he validity of both segmentations, as well as the presence of an effect of economies of scale driving fuel use intensity ({FUI}), was tested. {L}ife cycle assessment was used to calculate environmental impacts, per individual sampled vessel and per segment, complemented with indicators of energy efficiency and biotic resource depletion. {T}he fleet is highly fuel-efficient (120 kg fuel per tonne fish) when compared with other reported values, despite a large overcapacity that increases the impact of the construction and maintenance phases. {S}ignificant inter-annual {FUI} variations were observed (80.0 kg t(-1) in 2008 to 210.3 kg t(-1) in 2006), but no clear trend. {N}either significant differences in {FUI} among fleet segments nor a clear effect of economies of scale were found (but {FUI} analysis was based on a small sample of 32 values for nine vessels, two of which had data for a single year). {O}nly the largest vessels, featuring 242 m(3) holding capacity and 850 hp engine power, were found to have lower {FUI} than any of the other vessels, but no statistical test could be applied to validate this difference. {D}ifferences in environmental impacts of individual vessels are mostly dominated by their relative {FUI}. {F}uel use and, to a lower extent, maintenance are the main sources of environmental impacts. {T}he most contributing impacts to {R}e{C}i{P}e single score are climate change, human toxicity and fossil depletion. {T}he fishery's impacts on the biotic natural resource were orders of magnitude higher than many other global hake stocks, due to overexploitation. {T}he environmental impacts of the national hake fleet are relatively low during the study period, despite an overcapacity of the fleet. {W}ith the perspective of expanding its operations and obtaining better yields on the eventuality that the stock fully recovers, these impacts should decrease. {M}ore research based on additional {FUI} data is necessary to effectively compare the performance of these vessels with larger ones (featuring > 180 m(3) and > 500 hp, of which nine existed in 2016) before possibly recommending their preferential use.}, keywords = {{B}iotic resource depletion ; {F}leet management ; {F}uel use intensity ; {L}ife cycle assessment ; {T}rawling ; {PEROU} ; {PACIFIQUE} {SUD}}, booktitle = {}, journal = {{I}nternational {J}ournal of {L}ife {C}ycle {A}ssessment}, volume = {23}, numero = {5}, pages = {1126--1140}, ISSN = {0948-3349}, year = {2018}, DOI = {10.1007/s11367-017-1364-1}, URL = {https://www.documentation.ird.fr/hor/fdi:010072790}, }