A survey of recreational boat-based and shore-based fishing in the Swan-Canning Estuary Basin was conducted between August 1998 and July 1999. During the survey 1,302 interviews were conducted at boat ramps. The majority of these (62%) were not involved in fishing or crabbing activities, with a further 18 per cent fishing in the adjacent ocean. Of the remainder, 139 boats had been crabbing and ...

T he mahseer or golden mahseer (Tor putitora, Hamilton) is considered king of the Himalayan fishes. It is an important edible fish in the rivers and tributaries of Nepal (Shrestha, 1997). The mahseer’s range extends throughout southern Asia, from Iran in the west to Thailand in the east, and from Sri Lanka in the south to the Himalayas in the north. This species resembles a typical carp in stru...

We relate the fundamental stages of the long road leading to the discovery of electricity and its uses in cardiology. The first observations on the electromagnetic phenomena were registered in ancient texts; many Greek and Roman writers referred to them, although they provided no explanations. The first extant treatise dates back to the XIII century and was written by Pierre de Maricourt during...