Workshop on the World Ocean Assessment

mechanisms structure and dynamics

Storms, cyclones, wind patterns Sediment inputs Sediment transportation Major upwellings Oceanic fronts Air-sea nutrient fluxes, air-sea gas exchange Air-sea chemical, pollutant inputs Atmospheric forcing via rainfall, wind, air temperature Extreme climate events

Sediment regime

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Part 4: Physical and Chemical Processes (continued)

Air–sea Interactions

Part 5: Pests, Invasive Species, Diseases and Algal Blooms Reference Point = conditions in 1900

Type

Parameter

Summary Rationale

Current Condition ( 0 to 10 compared to reference point )

Current Trend ( Improving, Stable, Declining )

Best 10%

Most places

Worst 10%

Confid- ence H, M, L

Best 10%

Most places

Worst 10%

Confid- ence H, M, L

Pests (declared)

Number and abundance of declared pest species

Invasive Species

Abundance and distribution of introduced species

Frequency, abundance distribution of jellyfish blooms Diseases Number and extent of outbreaks of viral, bacterial, and fungal diseases

Number and extent of outbreaks of parasitic infestations Number and extent of fish-kills Frequency, abundance distribution of algal blooms Frequency, abundance distribution of harmful algal blooms

Algal Blooms

Biofouling Frequency, abundance distribution of biofouling