@article{fdi:010076119, title = {{F}orm and function of tropical macroalgal reefs in the {A}nthropocene}, author = {{F}ulton, {C}. {J}. and {A}besamis, {R}. {A}. and {B}erkstrom, {C}. and {D}epczynski, {M}. and {G}raham, {N}. {A}. {J}. and {H}olmes, {T}. {H}. and {K}ulbicki, {M}ichel and {N}oble, {M}. {M}. and {R}adford, {B}. {T}. and {T}ano, {S}. and {T}inkler, {P}. and {W}ernberg, {T}. and {W}ilson, {S}. {K}.}, editor = {}, language = {{ENG}}, abstract = {{T}ropical reefs have been subjected to a range of anthropogenic pressures such as global climate change, overfishing and eutrophication that have raised questions about the prominence of macroalgae on tropical reefs, whether they pose a threat to biodiversity, and how they may influence the function of tropical marine ecosystems. {W}e synthesise current understanding of the structure and function of tropical macroalgal reefs and how they may support various ecosystem goods and services. {W}e then forecast how key stressors may alter the role of macroalgal reefs in tropical seascapes of the {A}nthropocene. {H}igh levels of primary productivity from tropical canopy macroalgae, which rivals that of other key producers (e.g., corals and turf algae), can be widely dispersed across tropical seascapes to provide a boost of secondary productivity in a range of biomes that include coral reefs, and support periodic harvests of macroalgal biomass for industrial and agricultural uses. {C}omplex macroalgal reefs that comprise a mixture of canopy and understorey taxa can also provide key habitats for a diverse community of epifauna, as well as juvenile and adult fishes that are the basis for important tropical fisheries. {K}ey macroalgal taxa (e.g., {S}argassum) that form complex macroalgal reefs are likely to be sensitive to future climate change. {I}ncreases in maximum sea temperature, in particular, could depress biomass production and/or drive phenological shifts in canopy formation that will affect their capacity to support tropical marine ecosystems. {M}acroalgal reefs can support a suite of tropical marine ecosystem functions when embedded within an interconnected mosaic of habitat types. {H}abitat connectivity is, therefore, essential if we are to maintain tropical marine biodiversity alongside key ecosystem goods and services. {C}onsequently, complex macroalgal reefs should be treated as a key ecological asset in strategies for the conservation and management of diverse tropical seascapes. {A} plain language summary is available for this article.}, keywords = {nursery ; productivity ; {S}argassum ; seascape ; seasonality ; spatial subsidy ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{F}unctional {E}cology}, volume = {33}, numero = {6}, pages = {989--999}, ISSN = {0269-8463}, year = {2019}, DOI = {10.1111/1365-2435.13282}, URL = {https://www.documentation.ird.fr/hor/fdi:010076119}, }