Browsing Brage IMR by Author "Filbee-Dexter, Karen"
Now showing items 1-20 of 37
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Arctic marine forest distribution models showcase potentially severe habitat losses for cryophilic species under climate change
Bringloe, Trevor T.; Wilkinson, David P.; Goldsmit, Jesica; Savoie, Amanda M.; Filbee-Dexter, Karen; Macgregor, Kathleen A.; Howland, Kimberly L.; McKindsey, Christopher W.; Verbruggen, Heroen (Peer reviewed; Journal article, 2022)The Arctic is among the fastest-warming areas of the globe. Understanding the impact of climate change on foundational Arctic marine species is needed to provide insight on ecological resilience at high latitudes. Marine ... -
Can multitrophic interactions and ocean warming influence large-scale kelp recovery?
Christie, Hartvig C; Gundersen, Hege; Rinde, Eli; Filbee-Dexter, Karen; Norderhaug, Kjell Magnus; Pedersen, Torstein; Bekkby, Trine; Gitmark, Janne Kim; Fagerli, Camilla With (Journal article; Peer reviewed, 2019)Ongoing changes along the northeastern Atlantic coastline provide an opportunity to explore the influence of climate change and multitrophic interactions on the recovery of kelp. Here, vast areas of sea urchin‐dominated ... -
Carbon export is facilitated by sea urchins transforming kelp detritus
Filbee-Dexter, Karen; Pedersen, Morten Foldager; Fredriksen, Stein; Norderhaug, Kjell Magnus; Rinde, Eli; Kristiansen, Trond; Albretsen, Jon; Wernberg, Thomas (Peer reviewed; Journal article, 2019)With the increasing imperative for societies to act to curb climate change by increasing carbon stores and sinks, it has become critical to understand how organic carbon is produced, released, transformed, transported, and ... -
Carbon sequestration and climate change mitigation using macroalgae: a state of knowledge review
Pessarrodona, Albert; Franco-Santos, Rita M.; Wright, Luka Seamus; Vanderklift, Mathew A.; Howard, Jennifer; Pidgeon, Emily; Wernberg, Thomas; Filbee-Dexter, Karen (Peer reviewed; Journal article, 2023)The conservation, restoration, and improved management of terrestrial forests significantly contributes to mitigate climate change and its impacts, as well as providing numerous co-benefits. The pressing need to reduce ... -
Community structure of deep fjord and shelf benthic fauna receiving different detrital kelp inputs in northern Norway
Ramirez-Llodra, Eva; Pedersen, Torstein; Filbee-Dexter, Karen; Hauquier, Freija; Guilini, Katja; Mikkelsen, Nina; Borgersen, Gunhild; van Gyseghem, Margo; Vanreusel, Ann; Vilas, Daniel (Peer reviewed; Journal article, 2020)Kelp forests produce large amounts of macroalgal detritus, ranging from whole plants to small particles (1 mm). The role of this kelp detritus in fueling deep-sea communities adjacent to healthy kelp forests was investigated ... -
Detrital carbon production and export in high latitude kelp forests
Pedersen, Morten Foldager; Filbee-Dexter, Karen; Norderhaug, Kjell Magnus; Fredriksen, Stein; Frisk, Nicolai Lond; Fagerli, Camilla With; Wernberg, Thomas (Peer reviewed; Journal article, 2020)The production and fate of seaweed detritus is a major unknown in the global C-budget. Knowing the quantity of detritus produced, the form it takes (size) and its timing of delivery are key to understanding its role as a ... -
Efficient spatial kelp biomass estimations using acoustic methods
Kartveit, Kyrre Heldal; Filbee-Dexter, Karen; Steen, Henning; Christensen, Lene; Norderhaug, Kjell Magnus (Peer reviewed; Journal article, 2022)Kelp forests are the largest vegetated marine ecosystem on earth, but vast areas of their distribution remain unmapped and unmonitored. Efficient and cost-effective methods for measuring the standing biomass of these ... -
Ethics of assisted evolution in marine conservation
Filbee-Dexter, Karen; Smajdor, Anna Colette (Peer reviewed; Journal article, 2019)Climate change is outpacing existing rates of evolution and adaptation for many marine organisms. Human societies are pushing hard to find new solutions to save and protect marine ecosystems, generating research on ... -
Future trajectories of change for an Arctic deep-sea ecosystem connected to coastal kelp forests
Vilas, Daniel; Coll, Marta; Pedersen, Torstein; Corrales, Xavier; Filbee-Dexter, Karen; Wernberg, Thomas (Peer reviewed; Journal article, 2021)Environmental stressors related to climate change and other anthropogenic activities are impacting Arctic marine ecosystems at exceptional rates. Within this context, predicting future scenarios of deep-sea ecosystems and ... -
Genotypic variation in response to extreme events may facilitate kelp adaptation under future climates
Alsuwaiyan, Nahlah A.; Vranken, Sofie; Filbee-Dexter, Karen; Cambridge, Marion; Coleman, Melinda A.; Wernberg, Thomas (Peer reviewed; Journal article, 2021)Marine heatwaves (MHWs) have caused declines in many kelp forests globally. Although the ecological effects of these climatic extremes have been well examined, studies on the role of genotypic variation in underpinning ... -
Global estimates of the extent and production of macroalgal forests
Duarte, Carlos M.; Gattuso, Jean-Pierre; Hancke, Kasper; Gundersen, Hege; Filbee-Dexter, Karen; Pedersen, Morten Foldager; Middelburg, J.J.; Burrows, Michael T.; Krumhansl, Kira A.; Wernberg, Thomas; Moore, Pippa J.; Pessarrodona, Albert; Ørberg, Sarah; Pinto, Isabel Sousa; Assis, Jorge; Queirós, Ana M.; Smale, Dan A; Bekkby, Trine; Serrão, Ester A.; Krause-Jensen, Dorte (Peer reviewed; Journal article, 2022)Macroalgal habitats are believed to be the most extensive and productive of all coastal vegetated ecosystems. In stark contrast to the growing attention on their contribution to carbon export and sequestration, understanding ... -
Global seaweed productivity
Pessarrodona, Albert; Assis, Jorge; Filbee-Dexter, Karen; Burrows, Michael T.; Gattuso, Jean-Pierre; Duarte, Carlos M.; Krause-Jensen, Dorte; Moore, Pippa J.; Smale, Dan A.; Wernberg, Thomas (Peer reviewed; Journal article, 2022)The magnitude and distribution of net primary production (NPP) in the coastal ocean remains poorly constrained, particularly for shallow marine vegetation. Here, using a compilation of in situ annual NPP measurements across ... -
Global seaweed productivity
Pessarrodona, Albert; Assis, Jorge; Filbee-Dexter, Karen; Burrows, Michael T.; Gattuso, Jean-Pierre; Duarte, Carlos M.; Krause-Jensen, Dorte; Moore, Pippa J.; Smale, Dan A.; Wernberg, Thomas (Peer reviewed; Journal article, 2022)The magnitude and distribution of net primary production (NPP) in the coastal ocean remains poorly constrained, particularly for shallow marine vegetation. Here, using a compilation of in situ annual NPP measurements across ... -
Grazers extend blue carbon transfer by slowing sinking speeds of kelp detritus
Wernberg, Thomas; Filbee-Dexter, Karen (Peer reviewed; Journal article, 2018)Marine plant communities such as kelp forests produce significant amounts of detritus, most of which is exported to areas where it can constitute an important trophic subsidy or potentially be sequestered in marine sediments. ... -
Green gravel as a vector of dispersal for kelp restoration
Alsuwaiyan, Nahlah A.; Filbee-Dexter, Karen; Vranken, Sofie; Burkholz, Celina; Cambridge, Marion; Coleman, Melinda A.; Wernberg, Thomas (Peer reviewed; Journal article, 2022)Kelp forests are experiencing substantial declines due to climate change, particularly ocean warming and marine heatwaves, and active interventions are necessary to halt this decline. A new restoration approach termed ... -
Habitat configurations shape the trophic and energetic dynamics of reef fishes in a tropical–temperate transition zone: implications under a warming future
Bosch, Nestor E.; Pessarrodona, Albert; Filbee-Dexter, Karen; Tuya, Fernando; Mulders, Yannick; Bell, Sahira; Langlois, Tim; Wernberg, Thomas (Peer reviewed; Journal article, 2022)Understanding the extent to which species’ traits mediate patterns of community assembly is key to predict the effect of natural and anthropogenic disturbances on ecosystem functioning. Here, we apply a trait-based community ... -
Homogenization and miniaturization of habitat structure in temperate marine forests
Pessarrodona, Albert; Filbee-Dexter, Karen; Alcoverro, Teresa; Boada, Jordi; Feehan, Colette J.; Fredriksen, Stein; Grace, Sean P.; Nakamura, Yohei; Narvaez, Carla A.; Norderhaug, Kjell Magnus; Wernberg, Thomas (Peer reviewed; Journal article, 2021)Humans are rapidly transforming the structural configuration of the planet's ecosystems, but these changes and their ecological consequences remain poorly quantified in underwater habitats. Here, we show that the loss of ... -
Imprint of Climate Change on Pan-Arctic Marine Vegetation
Krause-Jensen, Dorte; Archambault, Philippe; Assis, Jorge; Bartsch, Inka; Bischof, Kai; Filbee-Dexter, Karen; Dunton, Kenneth H.; Maximova, Olga; Ragnarsdóttir, Sunna Björk; Sejr, Mikael K; Simakova, Uliana; Spiridonov, Vassily; Wegeberg, Susse; Winding, Mie H. S.; Duarte, Carlos M. (Peer reviewed; Journal article, 2020)The Arctic climate is changing rapidly. The warming and resultant longer open water periods suggest a potential for expansion of marine vegetation along the vast Arctic coastline. We compiled and reviewed the scattered ... -
Increasing depth distribution of Arctic kelp with increasing number of open water days with light
Castro de la Guardia, Laura; Filbee-Dexter, Karen; Reimer, Jillian; MacGregor, Kathleen A.; Garrido, Ignacio; Singh, Rakesh K.; Bélanger, Simon; Konar, Brenda; Iken, Katrin; Johnson, Ladd E.; Archambault, Philippe; Sejr, Mikael K.; Søreide, Janne; Mundy, C.J. (Peer reviewed; Journal article, 2023)Kelps are a dominant macrophyte group and primary producer in Arctic nearshore waters that provide significant services to the coastal ecosystem. The quantification of these services in the Arctic is constrained, however, ... -
Intergrading reef communities across discrete seaweed habitats in a temperate–tropical transition zone: Lessons for species reshuffling in a warming ocean
Mulders, Yannick; Filbee-Dexter, Karen; Bell, Sahira; Bosch, Nestor E.; Pessarrodona, Albert; Sahin, Defne; Vranken, Sofie; Zarco-Perello, Salvador; Wernberg, Thomas (Peer reviewed; Journal article, 2022)Temperate reefs are increasingly affected by the direct and indirect effects of climate change. At many of their warm range edges, cool-water kelps are decreasing, while seaweeds with warm-water affinities are increasing. ...