Many bloom species produce
toxins. So-called killer blooms have been linked to die-offs
of fish, shellfish, and other species that consume or come
into contact with toxic algae or that ingest other consumers
of those algae. Human health can also be at risk The frequency,
magnitude, and toxicity of such events appear to have increased
dramatically in recent years.
Sedimentation causes widespread effects. As sediments settle
out, they smother bottom-dwelling organisms and affect filter-feeding
species.
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Nontoxic
solid wastes and marine debris cause significant mortality among
marine species. Plastic bags, fishing lines, and other debris
can entangle seals, seabirds, and other organisms, causing slow
deaths. Sea turtles and other species, often with fatal consequences
regularly ingest bits of plastic and other man-made materials.
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Cost of a prawn cocktail?
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