Human Impact on Ecosystem Resilience
Humans can affect ecosystem resilience in positive or negative ways. Our aim should be to reduce damage and strengthen systems so ecosystems can cope with change.
Negative human impacts on ecosystem resilience
Human activities often reduce resilience by lowering biodiversity and shrinking storages such as biomass, water, and nutrients.
- Deforestation reduces biomass and species diversity
- Monoculture farming replaces diverse ecosystems with a single crop
- Water extraction lowers lake and river storages
- Pollution harms sensitive species and food webs
When diversity and storages decrease, ecosystems become less able to recover and more likely to cross tipping points.
Damage is often delayed or hidden, meaning humans may not react until the ecosystem is already close to collapse.
Positive human impacts on ecosystem resilience
Humans can increase resilience by protecting ecosystems, restoring diversity, and increasing the size and number of storages.
- Protecting forests and stopping deforestation
- Planting mixed forests instead of single-species plantations
- Improving soil management to increase carbon storage
- Restoring wetlands to store water and reduce flooding
Resilience can also be improved in human systems, such as cities, by planting trees to reduce heat and store water.
Actions that increase diversity and storages usually increase ecosystem resilience.
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