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Session 12. MEQ/FUTURE Topic Session
Anthropogenic forcing in North Pacific coastal ecosystems: Understanding changes in ecosystem structure and function
Co-sponsored by IMBER

Co-Convenors: Blake Feist (U.S.A.), Hiroshi Kawai (Japan), Olga Lukyanova (Russia), Steven Rumrill (U.S.A.) and Thomas Therriault (Canada)

The North Pacific marine environment has provided a diverse and valuable series of ecosystem services to coastal communities for many thousands of years. Ocean and land-based anthropogenic activities are now widely recognized to have a strong influence on ecological processes throughout the North Pacific marine ecosystem. Anthropogenic influences such as commercial fishing, aquaculture, pollution, and urbanization are particularly strong in coastal waters where they impose a wide variety of multiple stressors that can impact fundamental ecosystem functions, critical processes, and marine biodiversity. Changes in the physical and biological environment perturb native communities, often resulting in disruption of species interactions and trophic relationships that can negatively impact productivity and diminish ecosystem resilience. In addition, large scale processes such as regime shifts, ocean oscillations, and climate variability can alter near-shore processes. For example, introduced species can negatively impact native communities, and commercial shipping and recreational activities can be a powerful vector for changes in the geographic distribution of marine and estuarine species. Similarly, changing ocean conditions have facilitated the continued pole-ward range expansion of a number of marine organisms, often with unknown impacts on the ecosystems they are moving into. Recent range expansion (e.g., Humboldt squid) and population eruptions (e.g., jellyfish) on both sides of the Pacific have had negative consequences for native flora and fauna.

Application of an ecosystem-based approach to coastal management would provide a template to better understand multiple stressors in coastal systems. Continuing to study and manage these stressors independently as single problems must be replaced by examining multiple stressors within the context of the ecosystems they are altering. Further, global climate change is expected to have clear consequences with respect to future species introductions, establishment, and range expansion. Ignoring complex interactions will only hinder management efforts. Thus, integrating non-indigenous species invasions with existing anthropogenic stressors will facilitate a holistic approach to addressing the challenges facing our coastal marine ecosystems.

This session will explore the characterization, understanding, and forecasting of the influence of multiple anthropogenic stressors in North Pacific coastal ecosystems. For example, how do non-indigenous species interact with other anthropogenic stressors? Contributed papers will provide a higher-level overview of stressors in various North Pacific ecosystems (e.g., overharvesting, urbanization, habitat alteration and loss, mariculture, HABs, pollution, non-indigenous species, etc.) and the types of impacts that have been observed, especially those linked to changes in biodiversity and productivity (e.g., extinctions, species interactions, trophic cascades).

Tuesday, October 26, 2010

John J. Stachowicz (Invited)
Changing biodiversity and the functioning of coastal marine ecosystems (S12-6677)
(pdf, 2.8 Mb)


Steven S. Rumrill, Alicia R. Helms and Adam S. DeMarzo
Potential influence of multiple anthropogenic stressors on restoration and recovery of native
Olympia oysters (Ostrea lurida) in the Coos Bay estuary, Oregon, USA (S12-6510)
(pdf, 2.5 Mb)


Olga N. Lukyanova, Sergei A. Cherkashin and Mikhail V. Simokon
Multiple stressors impact on the ecosystem of Peter the Great Bay (Japan/East Sea)
(pdf, 1.7 Mb)


L.I. Bendell
Influence of near bottom mariculture structures on intertidal diversity (S12-6597)
(pdf, 1.9 Mb)


Thomas A. Okey, Andrew Day, Laura A. Loucks, Jennifer Spencer and Kathryn Wallace

An application of Integrated Ecosystem Assessment in the marine areas of the West Coast of
Vancouver Island to support integrated planning and management (S12-6643)
(pdf, 0.9 Mb)

Jameal F. Samhouri, Cameron H. Ainsworth, D. Shallin Busch, William L. Cheung and Thomas A. Okey
The importance of community interactions for predicting climate change impacts (S12-6759)
(pdf, 1.6 Mb)
D. Shallin Busch, Cameron H. Ainsworth, Jameal F. Samhouri, William L. Cheung, John Dunne and Thomas A. Okey
Evaluating uncertainty in estimates of how climate change may impact Northeast Pacific marine ecosystems (S12-6592)
(pdf, 2.5 Mb)
R. Ian Perry, Diane Masson, David L. Mackas and Gisele Magnusson
Developing ecosystem-based management in a human-dominated marine system: The Strait of Georgia, Canada (S12-6659)
(pdf, 1.1 Mb)
Lingbo Li, Tony Pitcher and Robert Devlin
Investigating potential ecological impacts of growth-hormone transgenic coho salmon using a marine ecosystem model (S12-6699)
(permission to post denied, contact presenter)
Toshiyuki Yamaguchi, Yuu Ohshiro, Masashi Kiuchi, Michio Otani, Ikuo Ueda and Hiroshi Kawai (Invited)
The introduction of the Titan Barnacle, Megabalanus coccopoma (Darwin, 1854) (Cirripedia: Balanomorpha) to Japan (S12-6446)
(pdf, 2.8 Mb)
Vasily I. Radashevsky
World wide dispersal of mudworm Boccardia proboscidea Hartman, 1940 (Annelida, Spionidae) (S12-6667)
(permission to post denied, contact presenter)
Shang Chen, Tao Xia, Guoying Du, Huiyang Wang, Li Wang and Dachuan Ren
Quantification of influence of Spartina spp. invasion on coastal wetland ecosystem services: Yancheng case study, China (S12-6552)
(pdf, 0.5 Mb)
Thomas W. Therriault, Claudio DiBacco, Leif-Matthias Herborg and Graham E. Gillespie
The importance of scale for predicting impacts of stressors in nearshore environments: An example using European green crab (Carcinus maenas) invasions in British Columbia (S12-6678)
(pdf, 1 Mb)
Peter S. Ross, Donna Cullon, Andrea Buckman and John K.B. Ford
Climate change may exacerbate pollution impacts in marine mammals of the North Pacific Ocean (S12-6681)
(pdf, 1 Mb)
Burke Hales, Jesse Vance, Sue Cudd, Mariona Segura, Wiley Evans and Alan Trimble
Changing carbonate chemistry and the future of oysters in the eastern North Pacific boundary system (S12-6538)
(pdf, 1.7 Mb)
Tatiana Yu. Orlova, Inna V. Stonik, O.G. Schevchenko and Vladimir I. Ponomarev
Long-term changes in phytoplankton communities in Amursky Bay (the north-western part of the East/Japan Sea) under eutrophic conditions (S12-6701)
(permission to post denied, contact presenter)
Elizabeth Logerwell, Mary Baker and Amy Merten
Natural resource damage assessment in Arctic waters (S12-6652)
(pdf, 1 Mb)
Xianshi Jin, Xiujuan Shan, Xiansen Li, Jun Wang, Yi Cui and Tao Zuo
Long-term variations of ecosystem structure in the Laizhou Bay, China (S12-6731)
(waiting for permission)
Vjacheslav. S. Labay
Variability of macrobenthos structure in coastal waters of northern Sakhalin Island (Okhotsk Sea) around oil- and gas extracting objects (S12-6465)
(pdf, 0.8 Mb)
Tatiana V. Morozova, Tatiana Yu. Orlova, Boris A. Burov, Alexander Yu. Lazaryuk, Sergey P. Zakharkov and Vladimir I. Ponomarev
Dinoflagellate cysts as indicators of eutrophication in the Amursky Bay, Sea of Japan (East Sea) (S12-6576)
(permission to post denied, contact presenter)
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