The chairman of PNG's Eco-Forestry Forum, Kenn Mondiai, said PNG's forests were being destroyed and many logging companies were operating illegally.
Last year, PNG's Independent Review of Forest Allocations found illegal logging permits had been issued by the National Forest Authority and many logging operations were running contrary to the PNG Forestry Act.
Opposition MP Jamie Maxtone-Grahame said Adcock's detention was an example of political leaders using police in unconstitutional ways to achieve political ends.
"We need to establish where the constitutional duties of the police lie and the limits of political authority over the police," he
Parliament was adjourned until Wednesday morning.
Mr Mondiai was the country's sole representative as the PNG Forest Authority and the timber industry's lobby group Forest Industries Association failed to send anyone to the conference.
recommended that the international meeting take up the issues he
raised in his