Minimum contacts. Minimum contacts is a term used in the United States law of civil procedure to determine when it is appropriate for a court in one state to assert personal jurisdiction over a defendant from another state.
Under ideal conditions, oak trees live an average of 150 years, with short-lived varieties lasting 50 to 60 years and long-lived varieties living more than 150 years.
Rob McBride, a so-called tree hunter who measures and logs trees, said it was rare for an oak to live to such an age, with most usually lasting around 900 years. The tree was one of the biggest and oldest oak trees on the planet, said Mr McBride, who lives close to the Pontfadog Oak.