Editing Climate and Biodiversity (section)

== Ecosystem Resilience and State Shifts ==

'''Ecological resilience''' is the capacity of an ecosystem to absorb disturbances and reorganize while undergoing change, retaining essentially the same function, structure, identity, and feedbacks. 

=== Compounding Pressures ===
Climate change rarely acts in isolation. It acts as a multiplier of other ecological pressures, such as habitat destruction, pollution, and the introduction of invasive species. When an ecosystem is subjected to compounding stressors—such as a prolonged severe drought accompanied by anomalous heat waves—its overall resilience degrades.

=== Ecological Tipping Points ===
If the resilience of an ecosystem is pushed beyond a critical threshold, it can trigger an abrupt, non-linear transition into an entirely different ecological state. These state shifts are often difficult or impossible to reverse. 
* '''Coral Bleaching:''' Tropical coral reefs are highly sensitive to thermal stress. When ocean waters become anomalously warm, corals expel the symbiotic algae (zooxanthellae) living in their tissues, causing them to turn completely white. If the heat stress is prolonged, the coral starves and dies, rapidly transforming a highly complex, biodiverse reef into a barren, algae-dominated rubble landscape.
* '''Forest to Savanna Transitions:''' In regions like the Amazon basin, the combination of rising temperatures, altered precipitation regimes, and deforestation can disrupt the forest's ability to generate its own rainfall through transpiration. Pushed past a tipping point, the dense, humid rainforest can rapidly transition into a drier, open savanna, resulting in an incalculable loss of biodiversity and a massive release of stored carbon into the atmosphere.

Ultimately, the biological impacts of climate change demonstrate that the biosphere is not merely a passenger on the Earth System, but a deeply integrated component. Disruptions to the physical climate cascade through the biological networks, profoundly altering the trajectory of life on Earth.