You're right, the article is not new. I was just looking for something free on the web, and in English. A new article on this has just appeared in: Frankfurter

You're right, the article is not new. I was just looking for something free on the web, and in English. A new article on this has just appeared in: Frankfurter Allgemeine Sonntagszeitung, 30 December 2007, economy section. There it says also that fish whose territory is so small that they can't choose between stations have been shown to get worse service and longer queues.