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Carrying capacity dashboard for Australia is launched

Welcome to Australia’s leading carrying capacity website, featuring the Carrying Capacity prototype Dashboard, http://dashboard.carryingcapacity.com.au/, and Carrying Capacity Blog, http://www.carryingcapacity.com.au.

Our aim is to raise awareness of the importance of carrying capacity assessment as a forward planning tool - to help establish a sustainable balance between people and their localised environment.

Given the dependence of societal systems on biophysical health, it is vital that land-use planning initiatives have the ability to more clearly define potential future demands on the environment. Carrying capacity assessment offers a way to assess our resource needs and also determine how best to meet these needs.

The Carrying Capacity Blog facilitates an ongoing public conversation around questions of population and sustainable land-use. It offers commentary on past, present and future trends in carrying capacity analysis; looking first at how carrying capacity can be assessed and then how it might be maintained. Topics include:

  • historical perspectives on the carrying capacity dilemma
  • insight into how the concept has developed
  • analysis of current global crises from a carrying capacity perspective and how these problems might be best faced
  • a survey of various existing carrying capacity models
  • a thorough description of the development of the Carrying Capacity Dashboard
  • an exploration of the wider societal implications for living within carrying capacity limits

The Carrying Capacity Dashboard marks an important initial step towards the widespread adoption of carrying capacity assessment linking people to place. It is hoped that carrying capacity estimation tools like the Dashboard can be of use in a number of ways:

  • influencing urban and rural planning policy at all levels of government
  • assisting researchers and educators in highlighting system boundaries and physical limits to design proposals.
  • helping individuals and local communities to more clearly define lifestyle changes necessary to ensure more resilient and sustainable societies in the future.

You will find information on each component of the Carrying Capacity Dashboard just by hovering over it with your cursor. Essentially, the Dashboard tool will allow you to estimate the population able to be supported by a given region, according to the choices you have made concerning the production and consumption of resources. At present, this tool is only available for Australia and you can choose from national , state and regional estimates (based on Natural Resource Management areas). Every effort has been made to base the carrying capacity estimation on accurate, reliable and current sources of data, so in the majority of cases, it is sourced from government agencies such as the Australian Bureau of Statistics. However, because of human cultural flexibility, it should be noted that no human carrying capacity figure is ever likely to be definitive, so all results gained from the Dashboard should be viewed as approximate indicators.

In order to generate results in the Carrying Capacity Dashboard, just alter the choices in the upper input section and view the outcomes in the lower projections section.

Lastly, here are some important hints, information and assumptions:

  • This is predominantly a resource-based carrying capacity tool. So, please note that even though a region may be able to supply the resources necessary for a certain population, for a complete carrying capacity analysis, you would also need to consider any environmental impacts that the population may impart on the landscape. This impact aspect may ultimately reduce the potential population carrying capacity of any estimate. We hope to be able to also incorporate this feature in the future versions of the Dashboard.

  • There is a section that tells you if you are over or under carrying capacity. This is just a comparison between the existing population and the estimated carrying capacity population.

  • Default figures for existing land-usage are provided for each region. These include land available for cropping, pasture, nature reserve, infrastructure and non-agricultural land. However, it is also possible for you to override these figures and provide your own. For example, you may wish to test a smaller area within an existing region. In this instance, the average productivity of the entire region will be applied to the smaller area which may or may not provide an accurate estimate. Also, merely altering the total amount or proportions of various land-usages may not actually truly represent the characteristics of the original region.

  • The Carrying Capacity Dashboard allows you to determine the impact that various lifestyle choices might have on land use requirements. For example, making relatively small changes to red meat consumption and biofuel production may have large impacts on land usage.

  • Concerning land-use areas, there is a certain hierarchy of agricultural quality which reflects its potential usage. For example, cropping land could be used for pasture but not vice-versa, because the pastoral land may not be of sufficient quality. This approach assumes that the current usage is also its optimal usage. In some cases this may not be the case, but until accurate land capability mapping is conducted Australia-wide, land current usage rather than land capability offers the best data available.

  • At present the model defaults to an ideal situation whereby the lower quality land type is utilised (if possible) before the better quality land. For instance, land required for additional infrastructure, by default, is first drawn from non-agricultural land, then pastoral land, then cropping land. In the real world this may not be the case, with urban development encroaching into good quality agricultural land. If this less optimal approach is to be taken then carrying capacity estimates are most likely lower than those offered by the Dashboard.

  • Examining the excess land is one way of testing how changing the behaviour of the population might affect the carrying capacity of the land and in some instances improve the carrying capacity. For instance, if there is excess pasture land then you might be able to increase the carrying capacity by increasing meat or wool consumption. If there is an excess of non-agricultural land, then you might be able to improve environmental outcomes by increasing the nature reserve percentage. Alternatively, altering the timber consumption may also affect the non-agricultural land availability.

We are seeking your feedback in order to improve this tool. If you have any questions or suggestions relating to the Dashboard’s functionality, purpose, visual appeal and societal value, please leave a comment in the User Forum, http://dashboard.carryingcapacity.com.au/#forum, provided below the Dashboard.

What do you think? Leave a comment below.

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