@article{fdi:010086356, title = {{L}ong-term ecological trajectories of a disturbed {M}editerranean coastal lagoon ({B}iguglia lagoon) : {E}cosystem-based approach and considering its resilience for conservation ?}, author = {{L}igorini, {V}. and {M}alet, {N}. and {G}arrido, {M}. and {F}our, {B}. and {E}tourneau, {S}. and {L}eoncini, {A}. {S}. and {D}ufresne, {C}. and {C}ecchi, {P}hilippe and {P}asqualini, {V}.}, editor = {}, language = {{ENG}}, abstract = {{C}oastal lagoons are subjected to ever-increasing direct or indirect anthropic pressures and are inexorably deteriorating with serious issues regarding their resilience. {I}n this paper, we assessed the functioning and evolution of the highly disturbed {B}iguglia coastal lagoon ({M}editerranean {S}ea, {C}orsica) through an ecosystem-based approach ({EBA}), using multiple biotic and abiotic proxies (hydro-climatic context and eutrophication), considering its connectivity to sea and watershed and biological compartments (macrophytes, phytoplankton, and invasive species) and taking into account human influence (management actions and fishing activities). {T}he aim of this work is firstly to provide a comprehensive analysis of its long-term (2000-2021) ecological evolution trajectory and then, based on these results, to anticipate management strategies for supporting its conservation and restoration, and the maintenance of ecosystem services it offers. {R}esults revealed that while the lagoon showed these days a good capacity to recover after disturbance and absorb change, it recently exhibited considerable changes in its phytoplankton community composition, developed an increased susceptibility to biological invasion, and experienced a drastic reduction in fish stocks. {T}he major interannual variations of the mean salinity, strongly dependent on management interventions beyond natural climatic variability, summarized this instability. {I}n the future, the lagoon may no longer be able to cope with even small disturbances, which could then be sufficient to reach a breakpoint and tip the system permanently into undesired/degraded states. {W}e demonstrated that local and punctual management actions are not always beneficial for the entire ecosystem or even detrimental in some instances. {S}uch a retrospective ecosystem-based approach is fundamental for producing the holistic insights required to implement efficient integrated ecosystem management. {T}his further helps enhance lagoon resilience and hence preserve its ecosystem services in the context of increasing global changes. {S}uch lessons are useful anywhere for comparable ecosystems.}, keywords = {mediterranean coastal lagoon ; resilience ; management ; ecosystem-based approach ({EBA}) ; biological invasion ; dinoflagellates ; {HAB}s ; {MEDITERRANEE} ; {CORSE} ; {BIGUGLIA} {ETANG}}, booktitle = {}, journal = {{F}rontiers in {M}arine {S}cience}, volume = {9}, numero = {}, pages = {937795 [19 ]}, year = {2022}, DOI = {10.3389/fmars.2022.937795}, URL = {https://www.documentation.ird.fr/hor/fdi:010086356}, }