EP53A:
Topographic Influences on Oceanographic Processes, Marine Communities, and Ecology II


Session ID#: 37869

Session Description:
Abrupt topographies such as seamounts, ridges, and submarine canyons can have dramatic impacts on local oceanography and therefore on the ecology, abundance, and diversity of marine communities. The biological communities living at, on, and around these features likely experience different hydrodynamic (enhanced current velocities, turbulence, and shear), geological (enhanced substrate and slope heterogeneity), and biological (enhanced POC flux, food, and nutrient availability) forcing relative to proximate habitats. The main focus of this session is on the nature of the impacts of abrupt topographies on physical and biological oceanographic processes on various scales. Biological scales range from meiofauna to megafauna and from phytoplankton to top predators, and physical processes from mesoscale to turbulence.
Primary Chair:  Astrid Brigitta Leitner, University of Hawaii, Manoa, Oceanography, Honolulu, HI, United States
Co-Chair:  Glenn S Carter, University of Hawaii, Manoa, Oceanography, Honolulu, HI, United States
Moderators:  Glenn S Carter, University of Hawaii, Manoa, Oceanography, Honolulu, HI, United States and Astrid Brigitta Leitner, University of Hawaii, Manoa, Oceanography, Honolulu, HI, United States
Student Paper Review Liaison:  Astrid Brigitta Leitner, University of Hawaii, Manoa, Oceanography, Honolulu, HI, United States
Index Terms:

4562 Topographic/bathymetric interactions [OCEANOGRAPHY: PHYSICAL]
4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4830 Higher trophic levels [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4858 Population dynamics and ecology [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
Cross-Topics:
  • B - Biodiversity
  • PS - Physical Oceanography: Mesoscale and Smaller

Abstracts Submitted to this Session:

Impact of Mesoscale Eddy Interactions with Strong Topographic Influences on Region Near-surface Chlorophyll (322576)
Seth Travis, University of Hawaii at Manoa, Honolulu, HI, United States and Bo Qiu, Univ Hawaii Manoa, Honolulu, HI, United States
Influence of mixing over the Mid-Atlantic Ridge on phytoplankton community structure (313754)
Charlotte E Smith1, Claire Mahaffey1, Jonathan Sharples2 and Robyn E Tuerena1, (1)University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (2)University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, L69, United Kingdom
Examining Fine Scale Seamount Benthic Megafaunal Community Structure on Mokumanamana (307887)
Nicole Morgan, Florida State University, Tallahassee, FL, United States, Savannah Goode, Florida State University, EOAS, Tallahassee, FL, United States, E Brendan Roark, Texas A & M University College Station, College Station, TX, United States and Amy Baco-Taylor, Florida State University, Earth, Ocean, Atmospheric Sciences, Tallahassee, FL, United States
The Impact of Submarine Canyon Dynamics on the Cross-Shelf Exchange and On-Shelf Distribution of Nutrients and Oxygen (314911)
Karina Ramos-Musalem, University of British Columbia, Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada and Susan Elizabeth Allen, University of British Columbia, Department of Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada
Pinnacles as Possible Preferred Habitat for Fishes: a Hawaiian Case Study (324351)
Astrid Brigitta Leitner, University of Hawaii, Manoa, Oceanography, Honolulu, HI, United States, Virginia C Moriwake, University of Hawaii at Manoa, Oceanography, Honolulu, HI, United States, Christopher Kelley, University of Hawaii, Hawaii Undersea Research Laboratory, Honolulu, HI, United States and Jeffrey Drazen, University of Hawaii, Oceanography, Honolulu, HI, United States
The influence of habitat complexity on benthic macrofaunal community structure and functional diversity within eastern Caribbean seamounts and nearby habitats (303106)
Amanda W Demopoulos1, Jill R Bourque1, Jason D Chaytor2 and Erik E Cordes3, (1)U.S.G.S., Wetland and Aquatic Research Center, Gainesveille, FL, United States, (2)US Geological Survey, Woods Hole, MA, United States, (3)Temple University, Philadelphia, PA, United States
Characterizing Turbulence and Zooplankton Distributions in Clayoquot Canyon, a Whale Habitat (320025)
Tara Howatt1, Rianna Burnham2, Tetjana Ross3 and Stephanie Waterman1, (1)University of British Columbia, Department of Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, (2)University of Victoria, Department of Geography, Victoria, BC, Canada, (3)Institute of Ocean Sciences, Sidney, BC, Canada
Submarine canyon and channel systems – answering questions of scale and disturbance effects on structure and function of infaunal communities (311869)
Jeroen Ingels, Florida State University, FSU Coastal and Marine Laboratory, St Teresa, FL, United States

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