State of the Environment
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The term "State of the Environment" normally relates to an analysis of trends in the environment of a particular place. This analysis can encompass aspects such as water quality, air quality, land use, ecosystem health and function, along with social and cultural matters.
[edit] The Pressure-State-Response Framework
Human activity places pressure on many aspects of the environment. For instance, deforestation results in the invasion of weed species, habitat displacement, and, when undertaken on a large scale, adversely affects air quality and carbon dioxide sequestration.
Examples of pressures under the PSR framework include: pollutants discharged from factories, or draining into a river from the land; it could be the removal of forest from the land or over-harvesting by fishermen or hunters [1]. In this framework, only pressures introduced by human interaction with the environment is considered. Natural pressures such as extreme weather is only considered in the context of human-induced climate change (i.e. global warming).
A "state" is the condition of the environment at a particular time. This is assessed by measuring various aspects of the atmosphere, air, water, land and organisms [2].
Interestingly, the European Environment Agency has extended the pressure-state-response framework to include driving forces and impacts (see Dipsir).
[edit] State of the Environment Reporting
State of Environment reports have been prepared by countries such as New Zealand[3] and Australia[4]. State of the Environment reporting is also undertaken fairly extensively throughout New Zealand by territorial and regional authorities.
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