5 documents found, page 1 of 1
Trophic convergence of marine vertebrate communities worldwide
González-Trujillo, Juan David; Assis, Jorge; Serrao, Ester A.; Costello, Mark John; Fragkopoulou, Eliza; Mendoza, Manuel; Araújo, Miguel B.Biogeographic regions arise due to constraints on species ranges, fostering lineage divergence as a result. Yet, convergent evolution means that evolutionary distinct lineages can share similar characteristics when subjected to similar environmental conditions. The ecological convergence of distinct regions has been demonstrated in terrestrial communities, but it remains uncertain if marine systems exhibit simi...
Hurdles and opportunities in implementing marine biosecurity systems in data-po...
Carvalho, Susana; Shchepanik, Hailey; Aylagas, Eva; Berumen, Michael L.; Costa, Filipe O.; Costello, Mark John; Duarte, Sofia Alexandra FerreiraManaging marine nonindigenous species (mNIS) is challenging, because marine environments are highly connected, allowing the dispersal of species across large spatial scales, including geopolitical borders. Cross-border inconsistencies in biosecurity management can promote the spread of mNIS across geopolitical borders, and incursions often go unnoticed or unreported. Collaborative surveillance programs can enha...
Oceanographic connectivity explains the intra-specific diversity of mangrove fo...
Gouvêa, Lidiane; Fragkopoulou, Eliza; Cavanaugh, Kyle; Serrao, Ester; Araújo, Miguel B.; Costello, Mark John; Westergerling, E. H. Taraneh; Assis, JorgeThe distribution of mangrove intra-specific biodiversity can be structured by historical demographic processes that enhance or limit effective population sizes. Oceanographic connectivity (OC) may further structure intra-specific biodiversity by preserving or diluting the genetic signatures of historical changes. Despite its relevance for biogeography and evolution, the role of oceanographic connectivity in str...
Marine biodiversity exposed to prolonged and intense subsurface heatwaves
Fragkopoulou, Eliza; Sen Gupta, Alex; Costello, Mark John; Wernberg, Thomas; Araújo, Miguel B.; Serrao, Ester; De Clerck, Olivier; Assis, JorgeMarine heatwaves (MHWs) are becoming increasingly common, with devastating ecosystem impacts. However, MHW understanding has almost exclusively relied on sea surface temperature with limited knowledge about their subsurface characteristics. Here we estimate global MHWs from the surface to 2,000 m depth, covering the period 1993-2019, and explore biodiversity exposure to their effects. We find that MHWs are typi...
Vulnerability of marine species to low oxygen under climate change
Shi, Zhiyuan; Assis, Jorge; Costello, Mark JohnIn recent decades, the ocean is becoming less oxygenated due to the combined effect of global warming and the spread of coastal eutrophication, with extensive consequences to marine ecosystems. Past mass extinctions were at least in part due to anoxic conditions in the oceans. Thus, we should be concerned about ongoing and projected declining availability of well-oxygenated habitats in the oceans. Tolerance to ...