Extreme weather could endanger over one-third of land animal habitats by 2085, study warns

A major climate study published in Nature Ecology and Evolution cautions that rising global temperatures could place over one-third of all land animal habitats at critical risk by 2085. The research indicates that escalating events like wildfires, floods, droughts, and heatwaves may considerably reshape ecosystems worldwide if emissions remain on their current trajectory. Researchers warn that the convergence of these overlapping climate catastrophes may accelerate species decline and potentially drive numerous ecosystems toward collapse.

Large-Scale Global Research on Biodiversity

The findings arrived from an international research effort that involved 18 scientists, including Stefanie Heinicke of the Potsdam Institute for Climate Impact Research (PIK). The study was also reported by Phys.org. Heinicke emphasized that conservation approaches are not completely accounting for the impact of extreme weather patterns.


She cited, “I think climate change, and in particular extreme events, are still really being underestimated when it comes to conservation planning,”stating, “It’s not just going to be a gradual shift of temperature over many years.” The research team analyzed how climate change is impacting biodiversity in the planet using habitat data and climate models.

Massive Scope of Species and Ecosystem Analysis

To examine global risk, researchers studied exposure patterns in 33,936 terrestrial vertebrate species and 794 ecoregions. Their models analyzed how ecosystems may react to multiple threats, including droughts, heatwaves, wildfires, and river flooding, in different warming scenarios. The study discovered that climate stress is not isolated but layered, that means multiple hazards often influence the same areas simultaneously.

Rising Climate Hazards Across Habitats

According to projections, by 2050:

• Around 74% of land habitats may face heatwaves
  
• Approximately 16% may experience wildfires
  
• Nearly 8% could be affected by droughts
  
• About 3% may be exposed to river flooding
  

These threats are expected to heavily impact biodiversity hotspots like the Amazon Basin, regions of Africa, and Southeast Asia.

“Perfect Storm” Risk for Wildlife

The study cautions that overlapping climate events could lead to a hazardous “compound effect” on wildlife populations. Researchers suggest that “36% of the region within species’ ranges are projected to be exposed” to several extreme weather events within the next 60 years. This means large portions of natural habitats may simultaneously face heat stress, fire damage, and water scarcity. Scientists also observed that wildfires often result in more immediate ecological harm than droughts in many ecosystems.

Real-World Climate Disasters Already Showing Impact

The research points to recent disasters as proof of what may become more common in the future:

• During Australia’s 2019–2020 heatwave and fire season, over 72,000 flying foxes died
  
• In South America’s Pantanal wetlands, wildfires are estimated to have killed almost 17 million vertebrates
  

These events illustrate how extreme weather can rapidly destroy wildlife populations on a large scale.

Possibility of Prevention Still Exists

Despite the alarming projections, researchers highlight that these outcomes are not unavoidable. If global emissions are reduced to net zero, the severity of climate impacts on wildlife could be considerably reduced. Under such scenarios, only around 9% of habitats would experience overlapping extreme weather exposure by 2085.

Call for Stronger Conservation Strategies

Scientists suggest that existing conservation strategies must be updated to reflect multiple climate threats occurring simultaneously rather than separately. The study authors wrote, “These findings highlight the need for further research into species’ sensitivity and adaptive capacity to extreme events, and for conservation strategies that address the impacts of multiple extreme events.”


Source: NEW YORK POST

FAQs:

Q1. What does the study focus on?
The study focuses on how climate change affects wildlife habitats globally. It examines risks from extreme weather events like floods and wildfires.

Q2. Why are animal habitats at risk?
Rising temperatures are increasing the frequency of extreme weather conditions. These changes damage ecosystems and reduce safe living spaces for animals.