Before development exploded in California, the state contained about 5 million acres of wetland habitat. Unfortunately, over the years California has been willing to part with 91 percent of its wetlands, Southern California having lost 95 percent. Los Angeles County has only one wetland remaining. This being the Ballona Wetlands located between Marina del Rey and the Westchester bluffs, it was once a major part of California’s natural wetland systems. Before development, Ballona wetlands natural
1.0 Introduction: Ballajura is a suburb of Perth, Western Australia, in the City of swan local government area. Ballajura, which is approximately 8.2 square kilometres, is located 14km north of the Perth Central Business district (CBD). The area is bounded by three main roads, that is, Beach Road, Alexander drive and Hepburn avenue. According to the 2015 Australian Bureau of Statistics (ABS) estimate, Ballajura has a population of 20855 people and has a median population age of about 35 years (ABS