New Zealand researchers are using drones and satellites to protect eucalyptus forests from costly pest damage.
New Zealand researchers are pioneering drone and satellite technology to protect the country's expanding eucalyptus plantations from damaging pests.
A team at the University of Canterbury (UC) is using remote sensing tools to monitor over 15,000 hectares of eucalyptus, introduced as a sustainable and chemical-free alternative to treated pine. These trees face a growing threat from leaf-chewing paropsine beetles, which can cause significant canopy damage.
UC PhD candidate Shiva Pariyar, who led the study, said the project uses drone-mounted sensors and satellite imagery to detect early signs of pest infestation and tree stress. This allows land managers to respond quickly, even in remote areas, and reduces reliance on costly ground inspections.
According to UC Associate Professor Steve Pawson, pest-related losses cost the industry up to 10 million NZ dollars annually, with control measures adding another 2.6 million NZ dollars each year.
The research supports New Zealand’s goal to expand eucalyptus plantations to 100,000 hectares by 2050. Pariyar said the technology could offer a scalable model for global sustainable forestry.
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Start your day informed with AnewZ Morning Brief: here are the top news stories for the 15th of February, covering the latest developments you need to know.
New Zealand declared a state of emergency in Otorohanga on Saturday (14 February) after torrential rain caused severe flooding, power outages and evacuations.
Several people, including children, were reported missing in New Zealand's north island on Thursday after a landslide struck a coastal campsite amid heavy rain that caused evacuations of people to safety, road closures and widespread power outages.
Two local trains collided head-on north of Copenhagen on Thursday (23 April), injuring 17 people, five of them critically, according to emergency services.
The U.S. military is redirecting at least three Iranian-flagged tankers after intercepting them in Asian waters near India, Malaysia and Sri Lanka, shipping and security sources said on Wednesday. Meanwhile, Tehran said U.S. breaches, blockades and threats are undermining “genuine negotiations.”
Diplomatic efforts to end the Iran war are intensifying, with the White House confirming that U.S. President Donald Trump will send special envoy Steve Witkoff and adviser Jared Kushner to Islamabad for talks with Iran under Pakistani mediation.
The European Union is preparing its 20th round of sanctions against Russia over the war in Ukraine. The measures are close to being approved, after earlier delays linked to energy concerns in Slovakia and Hungary eased following repairs to the Druzhba oil pipeline.
Russian emergency services have contained a major fire at the Tuapse oil refinery on the Black Sea coast, local officials said on Thursday, ending a four-day effort after a Ukrainian drone strike.
Around 14% of Central Asia’s population - about 12 million people - are facing food shortages, according to the United Nations. The issue was a central focus at the Regional Environmental Summit in Astana.
Türkiye sent six trucks carrying critical medical supplies to Iran on Thursday, reinforcing humanitarian assistance amid challenging cross-border conditions.
Afghanistan is exploring new business opportunities in cotton, tourism and minerals following trade and investment talks this week with officials from Uzbekistan and Türkiye.
Georgia is entering a pivotal economic and geopolitical phase, as talks with China to expand a free trade agreement coincide with renewed progress on the Anaklia Deep Sea Port.
The European Union has introduced new trade restrictions on Kyrgyzstan under its 20th sanctions package against Russia, marking the first time a Central Asian country has faced measures targeting an entire trade channel.
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