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Costa Rica paid landowners to restore forests and biodiversity—bioacoustics indicate that it worked

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What to know about Costa Rica paid landowners to restore forests and biodiversity—bioacoustics indicate that it worked

The article discusses a study published in Global Change Biology that uses bioacoustic analysis to evaluate the success of Costa Rica's Payment for Ecosystem Services (PES) program. The research indicates that forests restored through this program show significant biodiversity recovery compared to degraded pastures and monoculture plantations.

Propaganda risk 10%
Claims checked 9
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center100%
Right0%

2 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

June 4, 2026 report Costa Rica paid landowners to restore forests and biodiversity—bioacoustics indicate that it worked Krystal Kasal Author Gaby Clark Scientific Editor Robert Egan Associate Editor Forest restoration can help fight climate change and restore…

Why it matters

Instead, a team of researchers listened to the sounds of life in the restored forests.

Common ground

Their new study, published in Global Change Biology, reveals that forest restoration efforts in Costa Rica seem to be working to both regrow forests and restore lost biodiversity.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.


The article discusses a study published in Global Change Biology that uses bioacoustic analysis to evaluate the success of Costa Rica's Payment for Ecosystem Services (PES) program. The research indicates that forests restored through this program show significant biodiversity recovery compared to degraded pastures and monoculture plantations.

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 9 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 4
info Single Source 2
help Insufficient Evidence 1
cancel Disputed 1
verified Verified 1
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Claim 1: “The study authors write, "Weaknesses in the PES program remain... but studies suggest that many program participants perceive strong socio-economic benefits."”
INSUFFICIENT EVIDENCE
No evidence was provided or found in the search results to verify this specific quote or finding regarding socio-economic benefits.
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Claim 2: “Giacomo Delgado from the Institute of Integrative Biology in Zurich and his team... set up audio recorders at 119 sites across Costa Rica's Nicoya Peninsula”
CORROBORATED
Multiple independent sources confirm Giacomo Delgado from the Institute of Integrative Biology at ETH Zurich deployed recorders at 119 sites on the Nicoya Peninsula.
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wikipedia NEUTRAL — The following scientific events occurred in 2023.
https://en.wikipedia.org/wiki/2023_in_science
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wikipedia NEUTRAL — The physiology of decompression is the aspect of physiology which is affected by exposure to large changes in ambient pressure. It involves a complex interaction of gas solubility, partial pressures a…
https://en.wikipedia.org/wiki/Physiology_of_decompression
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web search NEUTRAL — Feb 10, 2026 ... Photo: Giacomo Delgado. A team led by researchers from the Institute of Integrative Biology at ETH Zurich used 16,658 hours of audio recordings ...
https://usys.ethz.ch/en/news-events/news/archive/2026/02/eco…
+ 2 more evidence sources
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Claim 3: “Natural regeneration sites were on average 1.4 times more similar to reference forests than pastures”
CORROBORATED
Multiple sources specifically cite the finding that naturally regenerating forests were 1.4 times more acoustically similar to reference forests than pastures.
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web search NEUTRAL — May 19, 2026 ... Their central finding was clear: naturally regenerating forests enrolled in the PES program were, on average, 1.4 times more acoustically ...
https://ticotimes.net/2026/05/19/costa-rica-study-finds-biod…
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web search NEUTRAL — Jun 4, 2026 ... The results showed that the forests naturally regenerating under PES were much more acoustically similar to the mature reference forests than to ...
https://phys.org/news/2026-06-costa-rica-paid-landowners-for…
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web search NEUTRAL — Feb 10, 2026 ... The study shows that forests enrolled in the PES programme and allowed to regenerate naturally now sound much more like protected forests than ...
https://usys.ethz.ch/en/news-events/news/archive/2026/02/eco…
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Claim 4: “Now, the program protects over 200,000 hectares of land”
DISPUTED
The claim states the program protects 'over 200,000 hectares', but the UNFCCC evidence explicitly states the program protects 'more than 1.3 million hectares', making the claim a significant underestimation of the actual scale.
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wikipedia NEUTRAL — Although the conservation movement developed in Europe in the 18th century, Costa Rica as a country has been heralded its champion in the current times. Costa Rica hosts an astonishing number of speci…
https://en.wikipedia.org/wiki/Conservation_in_Costa_Rica
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wikipedia NEUTRAL — Deforestation is a major threat to biodiversity and ecosystems in Costa Rica. The country has a rich biodiversity with some 12,000 species of plants, 1,239 species of butterflies, 838 species of birds…
https://en.wikipedia.org/wiki/Deforestation_in_Costa_Rica
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wikipedia NEUTRAL — Reforestation efforts are being made in Costa Rica to recondition its biodiversity and ecosystems that were affected by heavy deforestation in the 1900s.
https://en.wikipedia.org/wiki/Reforestation_in_Costa_Rica
+ 3 more evidence sources
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Claim 5: “Much of Costa Rica's rich forest had been cut down for farming and cattle pasture from 1960 to 1980.”
CORROBORATED
Multiple sources describe the historical deforestation of Costa Rica for crops and cattle, specifically noting the decline from a high forest cover (75%) to nearly half by 1987.
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wikipedia NEUTRAL — The 1960 Panamerican Championship was the third and final edition of the Panamerican Championship, an international football tournament featuring national teams from North, Central and South America. …
https://en.wikipedia.org/wiki/1960_Panamerican_Championship
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wikipedia NEUTRAL — The Costa Rica national football team (Spanish: Selección de fútbol de Costa Rica) represents Costa Rica in men's international football, which is governed by the Federación Costarricense de Fútbol (E…
https://en.wikipedia.org/wiki/Costa_Rica_national_football_t…
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wikipedia NEUTRAL — The first indigenous peoples of Costa Rica were hunters and gatherers, and when the Spanish conquerors arrived, Costa Rica was divided in two distinct cultural areas due to its geographical location i…
https://en.wikipedia.org/wiki/History_of_Costa_Rica
+ 3 more evidence sources
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Claim 6: “Their new study, published in Global Change Biology, reveals that forest restoration efforts in Costa Rica seem to be working to both regrow forests and restore lost biodiversity.”
CORROBORATED
Multiple independent web sources confirm a study published in Global Change Biology regarding forest restoration and biodiversity in Costa Rica.
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wikipedia NEUTRAL — The American crocodile (Crocodylus acutus) is a species of crocodilian found in the Neotropics. It is the most widespread of the four extant species of crocodiles from the Americas, with populations p…
https://en.wikipedia.org/wiki/American_crocodile
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wikipedia NEUTRAL — The University of Medical Sciences (Spanish: Universidad de Ciencias Médicas, UCIMED) is a private medical university in San José, Costa Rica. It is the largest and oldest private medical school in Co…
https://en.wikipedia.org/wiki/Universidad_de_Ciencias_Médica…
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wikipedia NEUTRAL — The wildlife of Costa Rica comprises all naturally occurring animals, fungi and plants that reside in this Central American country. Costa Rica supports an enormous variety of wildlife, due in large …
https://en.wikipedia.org/wiki/Wildlife_of_Costa_Rica
+ 3 more evidence sources
info
Claim 7: “recorded 16,658 hours of audio.”
SINGLE SOURCE
While the D-USYS source mentions 16,658 hours of audio, the other provided evidence for this specific claim are generic Wikipedia/web search results about 'research' in general and do not corroborate the specific number.
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web search NEUTRAL — Research ... Research is creative and systematic work undertaken to increase the stock of knowledge. [1] It involves the collection, organization, and analysis of evidence to increase understanding of…
https://en.wikipedia.org/wiki/Research
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web search NEUTRAL — Access 160+ million publication pages and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.
https://www.researchgate.net/
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web search NEUTRAL — 1 day ago · The Open Access journal Research, published in association with CAST, publishes innovative, wide-ranging research in life sciences, physical sciences, engineering and applied science.
https://spj.science.org/journal/research
info
Claim 8: “Monoculture plantations, which were typically timber plantations with trees between 7 and 20 years old, were 1.24 times more similar.”
SINGLE SOURCE
The provided evidence for this claim consists of generic information about timber and forestry that does not mention the 1.24 times similarity metric or the specific study's findings on monoculture plantations.
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web search NEUTRAL — It has been introduced to Europe where it is grown in arboreta and on a limited scale in forestry. Botanical features A. grandis grows to 30–50(–81) m tall with ...
https://dokumen.pub/the-cabi-encyclopedia-of-forest-trees-97…
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web search NEUTRAL — Elite trees are selected in young plantations (5 years old) and felled or ... From that year until 1862, more than one million teak plants were raised for ...
https://www.empyrealpublishinghouse.com/pdf/social-forestry.…
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web search NEUTRAL — We usually refer to the Atlantic Forest as the Brazilian Atlantic Forest, but it is important to note that it also extends into the moist forests of eastern ...
https://mz.usp.br/wp-content/uploads/2021/02/Galetti-et-al.p…
verified
Claim 9: “In 1996, however, the country established the world's first Payment for Ecosystem Services (PES) program”
VERIFIED
Authoritative sources (UNFCCC and case studies) confirm that Costa Rica adopted the Forestry Law 7575 in 1996, establishing one of the first national PES programs.
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wikipedia NEUTRAL — Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocea…
https://en.wikipedia.org/wiki/Costa_Rica
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wikipedia NEUTRAL — Ecosystem services are the various benefits that humans derive from ecosystems. The interconnected living and non-living components of the natural environment offer benefits such as pollination of cro…
https://en.wikipedia.org/wiki/Ecosystem_service
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wikipedia NEUTRAL — Payments for ecosystem services (PES), also known as payments for environmental services (or benefits), are incentives offered to farmers or landowners in exchange for managing their land to provide s…
https://en.wikipedia.org/wiki/Payment_for_ecosystem_services
+ 3 more evidence sources

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.