"Piracy is not a water-borne disease. It is a symptom of anarchy and insecurity on the ground," he said.
"Dealing with it requires an integrated strategy that addresses the fundamental issue of lawlessness in Somalia."
More than one million people have been made homeless by fighting in the past two years and one-third of the population depends on food aid to survive.
Sheikh Sharif Sheikh Ahmed, the moderate Islamist who became president earlier this year after UN-brokered peace talks, said the aim is to build up a 10,000-strong police force and a 6,000-strong national security force, arguing that this could help to contain the piracy.
Javier Solana: 'Money is not going to be given without control'
Key speakers suggested that the prospects for Somalia could be improving under the new government, but it enjoys little practical authority at present, says BBC's world affairs correspondent Mike Wooldridge.
The radical Islamist al-Shabab group, which has links to al-Qaeda, operates freely in much of the capital, Mogadishu and most of south and central areas of the country.
It stages frequent attacks on pro-government forces in Mogadishu and elsewhere.
When first loaded, the map's focus falls on Somalia where most of the pirates are based. Use the arrow icons to scroll left towards Europe and the United States which are both playing a central role in tackling the problem.
Scroll to the right for a story about the Philippines, which supplies many of the world's mariners.
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