Can oxygen loss be 10 thresholds?

The attack is often discussed over temperature rise. Yet the world system consists of peers connected with each other. When these thresholds are exceeded, ecosystems can experience sudden and difficult changes to return. The framework of “Gezegen Limits” developed in 2009 appeared to identify these risks. Today, the addition of a new one to these limits is recommended: oxygen loss in water mass. New research published in Nature Ecology & Evolution magazine reveals that the dissolved oxygen levels in many water systems from lakes are rapidly dropped. The researchers argue that this process should be addressed as an independent limit on the global scale.

What is the limits of theGezegen?]
Planet limits define the ecological space where humanity can operate safely. Based on this frame, nine basic systems are monitored:
1. Climate change[
2. Biodiversity loss
3. Land system change
4. Sweet water use
5. Nitrogen and phosphorus cycle
] 6. Ocean acidization
7. Review of ozone layer
8. atmospheric aerosol load
9. Chemical impurities and new assets
The six limits of this nine are exceeded according to 2023 update. This indicates that the resistance of planetary systems is weakened.

Why is it critical to causing oxygen loss?]
Last 45 years:
Home 5,5 percent of dissolved oxygen in lakes
Home 18.6 percent decreased in dams
] Home 2 percent decline across the ocean
] Loss in some regions is much higher. The oxygen level has been back 40 percent since 1960 on the California coast. Oxygen is not only affected by fish. The food chain is weakened, sea-life areas are planted and the ecosystem services are broken. Fishing revenues risk food safety and coastal economy.

What is the reason for this loss?]
Due to this loss, two main factors are prominent. First global warming. As water temperature increases, oxygen resolution decreases. The heated surface water is less mixed with lower layers and minimizes oxygen in deep water. Secondly, food pollution. Agricultural fertilizers and wastes are nitrogen and phosphorus in water. These substances lead to alg explosions. When Algler died, microorganisms that break them consume oxygen in the water. After all, it is comprised of “inhabited areas”.
[email protected] A new risk for urinary system
Oxygen-free environments not only ecosystems, but also affect climate. In these conditions it can reveal strong greenhouse gases such as methane and nitrogen protoxide. These gases have higher warming potential than carbon dioxide. So oxygen loss in water systems can turn into a feedback mechanism, which increases the climate crisis.

Oxygen loss a global threshold]
The researchers defend that oxygen loss in water mass is no longer a cross-border subhead with other limits, but a global threshold per head.
Because this process:
] Home Climate change linked
Home Accelerates biodiversity loss
Home Improves food safety
Home leads to economic losses
] Planetary limits frame is intended to alert before reaching unreversible thresholds. Oxygen loss can also be one of these early warning signals.
[
Great picture in work...
Planet limits are not single, but they work together. Climate change, water cycle, nutrient flows and ecosystem integrity connected together. [
Question: Do the policies consider this link sufficiently?
A process where waters lose oxygen, not visible but accelerated. This means to recognize the process as a separate limit, measure the problem more clearly and prioritize.
[
While the safe area of the planet is narrowed, the story of the limits gives us the same message: seeing systemic risks early, less cost than being late.