Utrechtse Heuvelrug National Park occupation. Intensive land use, reforestation and the building of country estates transformed the appearance of the Utrechtse Heuvelrug over the centuries. The history of the region is reflected in the wide variety of soil types, relief and land use. The Utrechtse Heuvelrug is the second largest forest area in the Netherlands. In the forest some relics from the original post-glacial forests can be found, including oak and beech. In the park several marten species can be found, such as the European badger ("Meles meles") and the European pine marten ("Martes martes"). There are more than 100 bird species living in
River Meles once a large pool, all of which is known under the general name of Halkapınar ("meaning, the Circular Springs"). The pond embraces today İzmir's industrial neighborhood of the same name and is highly polluted nowadays, fouled especially on its way to the sea, although, until barely a few decades ago, it was a popular summer resort from where an important part of İzmir's drinking water was also provided. The discovery in the 19th century of one complete statue and the head of another, which were thought to represent Artemis, gave way to the name "Diana's Baths" attached to it, while