@article{fdi:010087619, title = {restoptr : an {R} package for ecological restoration planning}, author = {{J}usteau-{A}llaire, {D}imitri and {H}anson, {J}. {O}. and {L}annuzel, {G}. and {V}ismara, {P}. and {L}orca, {X}. and {B}irnbaum, {P}.}, editor = {}, language = {{ENG}}, abstract = {{E}cological restoration is essential to curb the decline of biodiversity and ecosystems worldwide. {S}ince the resources available for restoration are limited, restoration efforts must be cost-effective to achieve conservation outcomes. {A}lthough decision support tools are available to aid in the design of protected areas, little progress has been made to provide such tools for restoration efforts. {H}ere, we introduce the restoptr {R} package, a decision support tool designed to identify priority areas for ecological res-toration. {I}t uses constraint programming-an artificial intelligence technique-to identify optimal plans given ecological and socioeconomic constraints. {C}ritically, it can identify strategic locations to enhance connectivity and reduce fragmentation across a broader landscape using complex landscape metrics. {W}e illustrate its usage with a case study in {N}ew {C}aledonia. {B}y applying this tool, we identified priority areas for restoration that could reverse forest fragmentation induced by mining activ-ities in a specific area. {W}e also found that relatively small investments could deliver large returns to restore connectivity. {T}he restoptr {R} package is a free and open-source decision support tool available on the {C}omprehensive {R} {A}rchive {N}etwork (https:// cran.r-project.org/package=restoptr).}, keywords = {connectivity ; constraint programming ; ecological restoration planning ; fragmentation ; landscape indices ; {R} package ; systematic conservation ; planning ; wildlife corridors ; {NOUVELLE} {CALEDONIE}}, booktitle = {}, journal = {{R}estoration {E}cology}, volume = {31}, numero = {5}, pages = {e13910 [8 ]}, ISSN = {1061-2971}, year = {2023}, DOI = {10.1111/rec.13910}, URL = {https://www.documentation.ird.fr/hor/fdi:010087619}, }