Carbon Sequestration

Indicator Rationale

Carbon sequestration refers to the provision of long-term storage of carbon in the terrestrial biosphere, underground, or the oceans so that the buildup of carbon dioxide (the principal greenhouse gas) concentration in the atmosphere will reduce or slow. In some cases, this is accomplished by maintaining or enhancing natural processes; in other cases, novel techniques are developed to dispose of carbon.

Vegetation cover, and remnant native vegetation in particular is used as an indicator as it correlates strongly with biodiversity. An indicator of native vegetation cover is able to demonstrate whether the overall area of tree cover is increasing or decreasing and ideally, will include a measure of quality (vegetation condition). Habitat Hectares developed by Parkes et al. (2003) provides consistent, standardised assessment of bushland condition and applies to both public and private land. The index can be used to describe almost all types of terrestrial vegetation. Components of the index include vegetation physiognomy and critical aspects of viability (e.g. degree of regeneration, impact of weeds) and spatial considerations (e.g. area, distribution and connectivity).

Vegetation provides habitat to support wildlife, has positive effects on water quality and sea grass health, provides recreational opportunities and has aesthetic and cultural values, all of which are important for individual and community well-being. Tracts of vegetation also provide a number of ecosystem services including the provision of clean air and water, a filter for pollution and the absorption of greenhouse gases (carbon sink).

Data Source

Parkes et al., (2003). Habitat Hectares.

Measure

Measure to be investigated further.

Reference

Parkes et al., (2003), Habitat Hectares.