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Studying coral health in St. Thomas. Ecosystem health is a metaphor used to describe the condition of an ecosystem. [1] [2] Ecosystem condition can vary as a result of fire, flooding, drought, extinctions, invasive species, climate change, mining, fishing, farming or logging, chemical spills, and a host of other reasons.
Ecological indicators are used to communicate information about ecosystems and the impact human activity has on ecosystems to groups such as the public or government policy makers. Ecosystems are complex and ecological indicators can help describe them in simpler terms that can be understood and used by non-scientists to make management decisions.
APA - Ad Hoc Working Group on the Paris Agreement [1] APP - Asia-Pacific Partnership on Clean Development and Climate; AR4 - Fourth Assessment Report of the IPCC (2007) AR5 - Fifth Assessment Report of the IPCC (2014) AR5 SYR - Synthesis Report of AR5 [2] AR6 - Sixth Assessment Report of the IPCC (published on 9 August 2021)
A bootstrap paradox, also known as an information loop, an information paradox, [6] an ontological paradox, [7] or a "predestination paradox" is a paradox of time travel that occurs when any event, such as an action, information, an object, or a person, ultimately causes itself, as a consequence of either retrocausality or time travel. [8] [9 ...
Collapse of an ecosystem is effectively irreversible more often than not, and even if the reversal is possible, it tends to be slow and difficult. [6] [1] Ecosystems with low resilience may collapse even during a comparatively stable time, which then typically leads to their replacement with a more resilient system in the biosphere.
At low levels of disturbance, more competitive organisms will push subordinate species to extinction and dominate the ecosystem. [1] At high levels of disturbance, due to frequent forest fires or human impacts like deforestation, all species are at risk of going extinct. According to IDH theory, at intermediate levels of disturbance, diversity ...
For example, ecosystems do not serve as singular resources but rather are function-dependent in providing an array of ecosystem services. Additionally, this type of stewardship recognizes resource managers and management systems as influential and informed participants in the natural systems that are serviced by humans.
An example of ecological stability . In ecology, an ecosystem is said to possess ecological stability (or equilibrium) if it is capable of returning to its equilibrium state after a perturbation (a capacity known as resilience) or does not experience unexpected large changes in its characteristics across time. [1]