Australian Plate south, is now being torn apart along the transform boundary marked by the Alpine Fault. South of New Zealand the boundary becomes a transitional transform-convergent boundary, the Macquarie Fault Zone, where the Australian Plate is beginning to subduct under the Pacific Plate along the Puysegur Trench. Extending southwest of this trench is the Macquarie Ridge. The southerly side is a divergent boundary with the Antarctic Plate called the Southeast Indian Ridge (SEIR). The subducting boundary through Indonesia is not parallel to the biogeographical Wallace line that separates the indigenous fauna of Asia from that of Australasia. The eastern islands of
Landsker Line having moved only slightly over the past several centuries. A visible boundary which represents the Landsker line is Brandy Brook which runs through Newgale. The next beach north after the brook has the Welsh name Pen-y-Cwm. Landsker Line The Landsker Line is a term used for the language boundary in Wales between the largely Welsh-speaking and largely English-speaking areas in Pembrokeshire and Carmarthenshire. The English-speaking areas, south of the Landsker line and known as Little England beyond Wales, are notable for having been English linguistically and culturally for many centuries despite being far from the England–Wales border During the 11th