The pattern of development , though in many ways following that of Sydney and Melbourne , was significantly different not only because of geographical and climatic conditions but also .
Free settlement was restricted for nearly 20 years after the penal settlements were first established around Moreton Bay .
The pattern of development , though in many ways following that of Sydney and Melbourne , was significantly different not only because of geographical and climatic conditions but also because free settlement was restricted for nearly 20 years after the penal settlements were first established around Moreton Bay .