Exiled spiritual leader the Dalai Lama has long urged Tibetans to protect wildlife and give up the wearing of furs.
The Kardze man had distributed flyers calling for Tibetan freedom.
They now must give up their robes and attend government schools, officials say.
The ban covers organizations, production of media promoting study of the Tibetan language and protection of wildlife.
In Tibetan regions, the exiled spiritual leader's 80th year is observed along with Losar festivities.
Deployments are aimed at blocking protests against Beijing's rule in Tibetan areas, residents say.
Local residents chafe at security presence as area awaits arrival of nomads.
Praise, prayer, but little politics as Tibetan spiritual leader visits US capital.
The expected brief encounter draws China’s ire but raises Tibetan hopes.
Phakpa's early release is not explained, but his hometown celebrates him as a hero.
They had demanded the return of land taken five years ago for a government development project.
He is finally sentenced after being held for almost a year.
Students will now be sent to a Chinese state-run school 20 miles away from their homes.
He was returned to his home this week after being detained for nearly two-and-a-half years.
Police take them into custody after they cannot pay additional costs of government housing.
Many are unable to pay the cost of additional space they had requested.
But close ties between mining firms and higher authorities block effective protest.