S1: Science Board Symposium
(0.75 day)
Human dimensions of ecosystem variability
Co-Convenors: R. Ian Perry (SB), Vladimir I. Radchenko (BIO), Yukimasa
Ishida (FIS), John E. Stein (MEQ), Kuh Kim (POC), Igor I. Shevchenko
(TCODE), and Harold P. Batchelder & Makoto Kashiwai (CCCC).
Marine ecosystems are dynamic in terms of climate
and physical features, and the species that inhabit them. Human
relationships and interactions with the ocean have been long-lasting
and changing in their nature and strength over the years. Even though
natural variability in marine systems is thought to be large, separating
natural climate variability from human-induced sources is an ongoing
challenge. Physical oceanography, chemistry and climate indices
are being examined in relationship to living marine resource production.
What is our understanding of how these indicators are influenced
by global climate warming? Various human activities have the
effect either of removing, altering or adding nutrients or species
to areas. How do these changes in nutrient composition and amounts,
fishery removals or discards, habitat alteration, introduction of
non-native species or pollutants change ecosystem structure and
production? What are the effects of ecosystem change on human societies?
What are the implications of fisheries management decisions affecting
the nature and functions of ecosystems? This theme seeks to
highlight the many ways that humans interact with marine ecosystems
and the scientific efforts to quantify and predict human impacts
on such dynamics systems.
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