ME43A:
Ecosystem Responses to Climate Variability in Eastern Boundary Upwelling Ecosystems I
ME43A:
Ecosystem Responses to Climate Variability in Eastern Boundary Upwelling Ecosystems I
Ecosystem Responses to Climate Variability in Eastern Boundary Upwelling Ecosystems I
Session ID#: 11299
Session Description:
The ocean’s mid-latitude eastern boundary currents support elevated levels of primary and secondary production that sustain lucrative fisheries and attract an abundance of top predators. However, populations in these systems exhibit high degrees of variability in productivity and/or distribution at interannual to multidecadal time scales, challenging efforts to describe ecosystem health and develop effective strategies of resource management. Coupling between physical and ecological processes in eastern boundary current systems has stimulated multidisciplinary studies that aim to better describe the sensitivity of biogeochemical properties and biological communities to climate variability and climate change. Variability in the intensity, spatial distribution, and seasonal timing of wind-driven upwelling, changes in vertical stratification and mixing of the water column, differences in mesoscale and submesoscale features, and changes in the biogeochemical properties of these regions’ deep source waters have been proposed as critical factors influencing temporal variability in ecosystem conditions. In this session, we welcome presentations highlighting work (observational, conceptual, and/or numerical) contributing to better understanding of the dynamics of ecosystem response to climatic (both natural and anthropogenic) and hydrographic changes in eastern boundary current upwelling systems over interannual to centennial scales.
Primary Chair: Ryan R Rykaczewski, University of South Carolina, Columbia, SC, United States
Chairs: Marisol Garcia Reyes, Farallon Institute, Petaluma, CA, United States, Michael Jacox, NOAA Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, United States and Bryan Black, University of Texas at Austin, Austin, TX, United States
Moderators: Michael Jacox, University of California-Santa Cruz, San Francisco, CA, United States, Ryan R Rykaczewski, University of South Carolina, Columbia, SC, United States and Marisol Garcia Reyes, Farallon Institute, Petaluma, CA, United States
Student Paper Review Liaisons: Michael Jacox, University of California-Santa Cruz, San Francisco, CA, United States and Marisol Garcia Reyes, Farallon Institute, Petaluma, CA, United States
Index Terms:
1615 Biogeochemical cycles, processes, and modeling [GLOBAL CHANGE]
4279 Upwelling and convergences [OCEANOGRAPHY: GENERAL]
4516 Eastern boundary currents [OCEANOGRAPHY: PHYSICAL]
4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
Co-Sponsor(s):
- B - Biogeochemistry and Nutrients
- PC - Past, Present and Future Climate
- PO - Physical Oceanography/Ocean Circulation
- PP - Phytoplankton and Primary Production
Abstracts Submitted to this Session:
Modes of upwelling variability in the Benguela Current System and how they relate to ecosystem productivity (89999)
Optimal Environmental Conditions and Anomalous Ecosystem Responses in the California Current System (89944)
ENSO related Changes in Offshore Transport and Biological Productivity within the California Current System from 1979 to 2014 (90890)
Climate Variability in the California Current System from a 31-year (1980-2010) Historical Analysis Computed using the ROMS 4D-Var Data Assimilation System (91896)
Effect of Interannual Variability on the Ocean Acidification-induced Habitat Restriction of the Humboldt Current System. (91534)
Future Changes of Nutrient Dynamics and Biological Productivity in California Current System (91375)
Relationships between Climate and Biodiversity of Fish Assemblages in the Southern California Current Region (87352)
See more of: Marine Ecosystems