Three Korean wind farms sent the forest’s mammals in opposite directions, with deer becoming least likely around the newer turbines while wild boars did the reverse and became most likely to show up around those very same machines

Rapidly expanding wind power capacity across forested regions can have ecological implications.

South Korea is accelerating its green transition to meet national climate commitments and stabilize local power grids.

Since this requires scaling infrastructure for higher outputs, the highly densely populated nation often develops projects across natural landscapes.

Ultimately, implementing responsible wildlife protection and management plans is essential to protecting vulnerable species while meeting energy goals.

Natural habitat fragmentation concerns have led researchers to examine impacts on daily wildlife behavior.

Will these new insights change the outlook of South Korea’s green capacity growth?

How renewable energy is vital in driving modern power generation

South Korea is home to more than 52 million people within a highly crowded landscape.

The nation’s population has significantly increased over recent decades, leading to swift urbanization.

This has led to an immense power demand that continues to steadily rise.

Extensive digitization, widespread electrification, and rapid industrialization are behind this ongoing growth in demand.

Together, these factors all require massive amounts of uninterrupted electricity to maintain daily operations.

As a result, the nation’s regional electric grids are under immense pressure.

Historically, South Korea has depended on fossil fuel imports to fulfill its energy needs.

This reliance continues today, as legacy fossil fuels help bridge the nation’s power supply gap.

Beyond high vulnerability to global supply volatility, this dependency also hinders meeting national climate targets.

That is why boosting renewable energy capacity has become a strategic solution.

Wind power, in particular, has become fundamental in this clean energy strategy.

Large-scale wind expansion requires vast tracts of land

Expanding wind power at a utility scale is key to relieving grid strain while strengthening national energy security.

Since wind turbines generate high-capacity clean power without direct emissions, they also offer a scalable approach to achieving climate goals.

However, because South Korea is densely populated, finding suitable acreage for developments has become increasingly challenging.

Developers face severe spatial limitations, often competing with other sectors over use of land.

To overcome this, wind energy projects are typically deployed in remote, mountainous terrain.

Consequently, these massive facilities can overlap with the nation’s delicate forest landscapes.

Sometimes, construction even requires clearing these natural sites.

This has raised immense concerns over wildlife habitat fragmentation.

South Korean researchers decided to conduct a study to determine the effect of onshore wind farms within forest ecosystems.

The research primarily focused on the impacts on large native terrestrial mammals, like wild boar, water deer, and roe deer.

Tracking native wildlife responses to green infrastructure

The National Institute of Ecology and Yeungnam University conducted the research.

South Korean forest ecosystems were monitored by deploying camera surveys across the wind farm-integrated sites.

Data were analyzed using zone occupancy models to measure changes in animal movement patterns and distribution.

Revealing contrasting behaviors among the species

Recently constructed wind turbines across mountainous forest zones had low roe deer and water deer occupancy probabilities.

The deer were actively avoiding the clean energy infrastructure.

Conversely, wild boars demonstrated an opposite occurrence trend.

The occupancy probability of wild boars was highest around newer wind turbine sites.

The findings demonstrate that manmade infrastructure associated with wind farms has direct but different impacts on large herbivores.

These features include management roads and fencing, which modify habitat connectivity and movement patterns.

This means fragmentation within forest landscapes occurs due to wind turbine presence, but it differs across species.

The study highlights the importance of accounting for species-specific behavioral changes to renewable infrastructure.

By ignoring these changes, South Korea’s wind power expansion cannot progress without disrupting local wildlife.

Since uniform conservation strategies will not work, targeted animal impact assessments must be incorporated before development.

Ultimately, implementing responsible wildlife protection and management plans is essential to protecting vulnerable species while meeting energy goals.

You can review this research with Kim, S. H., Dhakal, T., Cho, K. H., Kim, T. S., Woo, S. H., Kim, J. Y., … & Jang, G. S. (2025). Occupancy of roe deer, water deer, and wild boar in wind farm‐integrated forest ecosystems: a case study in Korea. Ecosphere, 16(5), e70258.