Seine River Steamers early vessels meant that positive traction by pulling on a chain against a deadman or anchor was much more effective. In the 1830s river travel was considered dangerous, so much so that insurers would put a 25 percent premium on cargoes and vessels travelling the route. The Seine is divided into three sections, the lower or Oise section, middle or Paris Section, and upper or Marne section. Ships enter the river at Le Havre through a bad tidal bore. (Victor Hugo's favourite daughter was killed while travelling in a small boat across the bore.) Oceangoing ships can travel to Rouen,
Mouth of the Cirque de Salazie Important Bird Area harriers, Mascarene swiftlets, Mascarene paradise flycatchers, Réunion bulbuls, Mascarene white-eyes, Réunion olive white-eyes and Réunion stonechats. Mouth of the Cirque de Salazie Important Bird Area It lies north-east of the Piton des Neiges volcanic massif, consisting of the river gorges of the Bras de Caverne and Rivière du Mât that drain the forested Bélouve plateau and adjacent Salazie caldera respectively. The site contains stands of native forest in very rugged terrain at elevations ranging from 160 m up to 1430 m above sea level. The site has been identified by BirdLife International as an Important Bird Area (IBA) because it