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Posts by Trond Simensen

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We have a new paper in Science today on how malicious AI swarms can threaten democracy.

AI systems can already coordinate autonomously, infiltrate communities, and fabricate social consensus.

www.science.org/doi/10.1126/...

Led by @kunstjonas.bsky.social & @daniel-thilo.bsky.social!

3 months ago 197 121 8 19
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Tremendously important work...👇

How malicious AI swarms can threaten democracy www.science.org/doi/10.1126/... @daniel-thilo.bsky.social @kunstjonas.bsky.social et al.

AI swarms are can be used to engineering a "synthetic
consensus" that can manipulate public opinion and perceptions.

3 months ago 58 23 2 3
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Land sparing and land sharing in spatial planning: bridging historical ideals and contemporary applications The ‘land sparing and land sharing’ framework clarifies how land use can either concentrate intensive activities in specific areas (‘sparing’) or integrate multiple uses across a wider landscape (‘...

What’s best for nature?
- Concentrate human impacts in fewer places (land sparing)?
- Or spread them more lightly across wider landscapes (land sharing)?
A debate with deep roots in agriculture, geography, planning & conservation. New article in Landscape Research: doi.org/10.1080/0142...

7 months ago 1 0 0 0
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Biodiversity change under human depopulation in Japan Nature Sustainability, Published online: 12 June 2025; doi:10.1038/s41893-025-01578-wHuman population growth over the past few decades has had detrimental impacts on biodiversity; however, several countries, such as Japan, are experiencing below-replacement human fertility leading to depopulation. This study examines the impact of human depopulation on biodiversity levels across Japan.

New online! Biodiversity change under human depopulation in Japan

10 months ago 4 3 0 0
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Samlet utbyggingsareal i Kommune-Norge: Historisk utvikling og framtidige scenarioer, 2000–2050 Flere kommuner har mål om arealnøytralitet, men dette kan komme i konflikt med behov for arealer til samfunnsnyttig utbygging. Her undersøker vi arealeffektivitet og utviklingsbaner for arealbruk i Ko...

Ny forskningsartikkel: Samlet utbyggingsareal i Kommune-Norge: Historisk utvikling og framtidige scenarioer, 2000–2050 www.scup.com/doi/10.18261...

9 months ago 1 0 0 0
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Fantastic new map of the Arctic and beyond, from the Norwegian Polar Institute npolar.no/en/

11 months ago 1 0 0 0
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Land has the honour of appearing in the Global Carbon Budget twice!

Once as an anthropogenic source: deforestation, afforestation, forestry

Once as a natural sink: CO2 fertilisation, climate change, etc

On balance, land is a sink, primarily due to CO2 fertilisation from fossil CO2 emissions!

1/

11 months ago 51 9 5 0
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Chapter 1: Introduction to Geocomputation 🌍📊

What is geocomputation? Why use R for spatial analysis? 📌 This chapter traces its history, connects it to FOSS4G, and explores R’s power for geospatial work. Learn about R-spatial’s evolution! 🚀

🔗 r.geocompx.org/intro

#rstats #rspatial #geocompx

11 months ago 11 2 0 1
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I've put together a webpage with country-level charts that @glenpeters.bsky.social and I produce. Currently 89 countries, not all with same charts. More to come, including data downloads.
Explore for yourself here:
robbieandrew.github.io/country/

1 year ago 134 39 11 10
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How does the land use of different electricity sources compare? All energy production takes up land, but which sources use the most land, and which use it most efficiently?

How much land does your electricity use? ourworldindata.org/land-use-per...

1 year ago 2 0 0 0
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🌎 Call for Applications!!

The GLP Early Career Network & START are offering 5 Small Seed Awards (USD 1000 each) for projects led by ecr's & practitioners tackling Land System Science challenges.

More info here: drive.google.com/file/d/1qHkX...
Apply here: docs.google.com/forms/d/e/1F...

1 year ago 4 4 0 3
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Public Statement on Supporting Science for the Benefit of All Citizens TO THE AMERICAN PEOPLE We all rely on science. Science gave us the smartphones in our pockets, the navigation systems in our cars, and life-saving medical care. We count on engineers when we drive acr...

Open letter from nearly 2000 NAS member scientists: "We see real danger in this moment. We hold diverse political beliefs, but we are united (...) in wanting to protect independent scientific inquiry. We are sending this SOS to sound a warning: the nation’s scientific enterprise is being decimated."

1 year ago 1051 476 28 7

By attacking science:

We are less safe because science informs national security and medical care.

We are less prosperous because science drives innovation and economic benefit.

We are less free because science and democracy depend on the liberty to ask questions, and seek and share knowledge.

1 year ago 1472 413 24 13
Conceptual model explaining the mitigation hierarchy in biodiversity offset design.

Conceptual model explaining the mitigation hierarchy in biodiversity offset design.

March issue: Review led by
@martinemaron.bsky.social evaluating the efficacy of biodiversity offsets and, despite their limitations, the role they can play in conservation.
Web link: www.nature.com/articles/s44...
Free to read and download throughout 2025!

1 year ago 9 3 0 0
AI tasks that can fill biodiversity shortfalls.

AI tasks that can fill biodiversity shortfalls.

March issue: Review led by @laura-pollock.bsky.social
describing seven main shortfalls in biodiversity knowledge and discussing how AI can address them.
Web link: www.nature.com/articles/s44...
Free to read and download throughout 2025!

1 year ago 11 4 0 0
Smallholder farm in the North of Mozambique seen from above. The spatial resolution of openly accessible and commercial satellite systems relevant for SDG monitoring is shown here for comparison.

Smallholder farm in the North of Mozambique seen from above. The spatial resolution of openly accessible and commercial satellite systems relevant for SDG monitoring is shown here for comparison.

Opinion piece: Farms worldwide need access to commercial satellite data to enhance #SustainableDevelopment goals and research. In PNAS: www.pnas.org/doi/10.1073/...

#SDGs #SmallholderFarm #ClimateChange #agriculture #LandUse #CropProductivity

1 year ago 11 2 0 0
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Time to fix the biodiversity leak The risk that locally successful nature conservation may be shifting problems elsewhere can no longer be ignored

Conservation isn’t just about protecting land—it’s about where and how we do it. If protecting one area pushes deforestation, farming, mining elsewhere (biodiversity leakage), we risk a net loss. Smart site selection, demand reduction & sustainable offsets are key!
www.science.org/doi/10.1126/...

1 year ago 15 5 1 0
 Changes in land-use-change-associated greenhouse gas emissions due to adoption of improved crop varieties for the period 1961–2015.

Changes in land-use-change-associated greenhouse gas emissions due to adoption of improved crop varieties for the period 1961–2015.

Crop improvements from 1961–2015 reduced cropland expansion, lowered greenhouse gas emissions from land use change, and prevented thousands of species extinctions, compared with a counterfactual scenario without crop improvements. In PNAS: www.pnas.org/doi/10.1073/...

1 year ago 18 9 0 0
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Ecosystem accounting, a framework developed by the United Nations, standardises data on the state and condition of ecosystems. The method has been used on a coarse scale, but it can also be applied to areas of smaller extent and at a finer scale. www.idunn.no/doi/10.18261...

1 year ago 0 0 0 0
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Connecting Ecosystem Accounting and Biodiversity Offsetting: A Path to Standardized and Transparent Conservation Efforts There is considerable overlap between biodiversity offsetting and ecosystem accounting: these two research fields apply very similar techniques to reach similar goals. Figure credit: Bálint Czúcz/Eva ...

A new paper by NINA experts explores how integrating ecosystem accounting can enhance biodiversity offsetting, offering a promising approach to make conservation efforts more effective and transparent. #EcosystemAccounting #BiodiversityOffsetting
www.nina.no/english/Abou...

1 year ago 10 3 0 0

Happy to announce our new study where we connect biodiversity offsetting and ecosystem accounting. Recognizing this connection can help both fields! besjournals.onlinelibrary.wiley.com/doi/10.1002/...

1 year ago 0 0 0 0
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Spatial resolution for forest carbon maps

Well put! Higher resolution is not always better! www.science.org/doi/10.1126/...

1 year ago 0 0 0 0
GLP Early Career Network Webinar: Knowledge Sharing with Stakeholders | Global Land Programme The Early Career Network will hold a Knowledge Sharing Webinar on 20 January 2025 from 4-5 pm Central European Time. The webinar will discuss ways to make research more accessible to the people who ca...

Calling all early career research scientists! Our Early Career Network is hosting a webinar on knowledge sharing.

Date: 20 January 2025
Time: 4-5 pm Central European Time

glp.earth/news-events/...

1 year ago 9 7 0 1

Looking forward to testing the land change modeler in TerrSet

1 year ago 2 1 0 0
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Landscape patterns in stand-replacing disturbances across the world’s forests - Nature Sustainability Forests are subject to natural and human-induced disturbances, which can be important in shaping their form and function. In this study, the authors examine the landscape patterns of global forest dis...

Global patterns of stand-replacing disturbances in forests. The data covers all regions and forested biomes. This is an amazing piece of work! 🌏🧪
www.nature.com/articles/s41...

1 year ago 46 11 0 1