@article{PAR00000007, title = {{I}nteractions between fish and fisher's spatial distribution and behaviour: an empirical study of the anchovy ({E}ngraulis ringens) fishery of {P}eru}, author = {{B}ertrand, {S}. and {D}iaz, {E}. and {N}iquen, {M}.}, editor = {}, language = {{ENG}}, abstract = {{F}ishing data provide, with wide spatio-temporal coverage, inexpensive information about exploited species, but a precondition for their interpretation is a good comprehension of fish and fisher spatial dynamics and interactions. {I}n {P}eru, anchovy ({E}ngraulis ringens) is exploited by an industrial fleet of about 800 purse-seiners operating all along the coast. {U}sing simultaneous acoustic survey and commercial fishing data for the 1998-2001 time period, we present a preliminary, exploratory, and empirical approach to identify the nature of potential interactions between {P}eruvian anchovy and fisher behaviour. {W}e show that (i) {P}eruvian anchovy exhibited a composite spatial strategy for the study period, i.e. a change in biomass was associated with both change in geographical extension and density; (ii) fishing behaviour significantly varied within and among vessels in terms of travel duration, searching duration, and number of fishing sets; and (iii) interactions between fish and fisher behaviours differed according to the spatial scale. {A}t a fish stock scale (the scale of fishing ground selection for fishers), fishing was more efficient with low biomass and high spatial concentration (low stock range and high biomass); at a local fish spatial scale (the scale of searching for a school inside the fishing ground), fishing performance was favoured by high mean local abundances and low spatial concentration (the way fish is distributed inside its stock range); finally, at the school scale (the scale of the fishing set), both high abundance and high spatial concentration were favourable to fishing success. ({C}) 2004 {I}nternational {C}ouncil for the {E}xploration of the {S}ea. {P}ublished by {E}lsevier {L}td. {A}ll rights reserved.}, keywords = {fish spatial distribution ; fisher behaviour ; {P}eruvian anchovy ; spatial concentration ; spatial scale}, booktitle = {}, journal = {{I}ces {J}ournal of {M}arine {S}cience}, volume = {61}, numero = {7}, pages = {1127--1136}, ISSN = {1054-3139}, year = {2004}, DOI = {10.1016/j.icesjms.2004.07.016}, URL = {https://www.documentation.ird.fr/hor/{PAR}00000007}, }