@article{fdi:010062933, title = {{A}ssesing fishing and marine biodiversity changes using fishers' perceptions : the {S}panish {M}editerranean and {G}ulf of {C}adiz case study}, author = {{C}oll, {M}arta and {C}arreras, {M}. and {C}iercoles, {C}. and {C}ornax, {M}.{J}. and {G}orelli, {G}. and {M}orote, {E}. and {S}{\`a}ez, {R}.}, editor = {}, language = {{ENG}}, abstract = {{P}rincipal {F}indings : {A}ccording to fishers, fishing activity substantially evolved in the area with time, expanding towards deeper grounds and towards areas more distant from the coast. {T}he maximum amount of catch ever caught and the weight of the largest species ever captured inversely declined with time. {F}ishers (70%) cited specific fishing grounds where depletion occurred. {T}hey documented ecological changes of marine biodiversity during the last half of the century: 94% reported the decline of commercially important fish and invertebrates and 61% listed species that could have been extirpated, with frequent mentions to cartilaginous fish. {D}eclines and extirpations were in line with available quantitative evaluations from stock assessments and international conventions, and were likely linked to fishing impacts. {C}onversely, half of interviewed fishers claimed that several species had proliferated, such as cephalopods, jellyfish, and small-sized fish. {T}hese changes were likely related to trophic cascades due to fishing and due to climate change effects. {T}he species composition of depletions, local extinctions and proliferations showed differences by region suggesting that regional dynamics are important when analysing biodiversity changes.}, keywords = {{PECHE} ; {RESSOURCES} {HALIEUTIQUES} ; {DIVERSITE} {SPECIFIQUE} ; {ABONDANCE} ; {ESTIMATION} {DE} {STOCK} ; {PECHEUR} ; {SYSTEME} {DE} {REPRESENTATIONS} ; {ENQUETE} ; {VARIATION} {PLURIANNUELLE} ; {MEDITERRANEE} ; {ESPAGNE} ; {CADIX} {GOLFE}}, booktitle = {}, journal = {{PL}o{S} {O}ne}, volume = {9}, numero = {1}, pages = {art. no e85670 [15 ]}, ISSN = {1932-6203}, year = {2014}, URL = {https://www.documentation.ird.fr/hor/fdi:010062933}, }