SPEED2ZERO ist eine gemeinsame Initiative der ETH-Domäne, die ins Leben gerufen wurde, um in der Schweiz beizutragen, dass die Treibhausgasemissionen bis 2030 um die Hälfte reduziert werden können und gleichzeitig die wissenschaftlichen, technischen und gesellschaftlichen Grundlagen für eine widerstandsfähige, kohlenstoffarme Zukunft geschaffen sind. Sie vereint Institutionen der ETH-Domäne (ETH Zürich, WSL, EPFL, Eawag, PSI, Empa und SDSC) mit Partnern aus Industrie, Regierung und Politik. Ziel ist es, die Zusammenarbeit zwischen Experten und Interessengruppen zu stärken, die sich mit Herausforderungen in den Bereichen Klima, Energie und Biodiversität befassen.
Das Projekt konzentriert sich auf die Zusammenhänge zwischen Energiesystemen, Biodiversitätsschutz und Klimawandel. SPEED2ZERO liefert wissenschaftliche Erkenntnisse, Szenarioentwicklungen, Aktionspläne und eine Toolbox, um den nachhaltigen Wandel der Schweiz zu begleiten. Die kontinuierliche Einbindung von Interessengruppen stellt sicher, dass die Ergebnisse bis 2050 Entscheidungen und politische Massnahmen unterstützen.
Wir konzentrieren uns auf die Kartierung der aquatischen und terrestrischen Biodiversität der Schweiz und die Entwicklung von räumlichen Priorisierungsindizes. Konkret haben wir SDMapCH entwickelt, eine operative nationale Plattform, die hochauflösende (25 × 25 m) Karten zur Lebensraumtauglichkeit für rund 7500 Arten in der ganzen Schweiz bereitstellt. Die Plattform liefert standardisierte Ergebnisse für aktuelle und zukünftige Klimabedingungen und ist auf Dryad mit vollständigen Metadaten frei zugänglich. SPEED2ZERO hat außerdem landesweite Biodiversitätsindikatoren erstellt, die Komplementarität, Aussterberisiko und ökologische Konnektivität mit derselben Auflösung von 25 m erfassen und so die Naturschutzplanung unterstützen.
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title => protected'<em>SDMapCH</em>: a Comprehensive database of >7,500 modelled species hab itat suitability maps for Switzerland' (113 chars)
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description => protected'Conserving natural ecosystems requires consistent and standardized biodivers ity data to advance scientific research and ecological understanding. Despit e several national initiatives to develop databases of species habitat suita bility maps, even well-studied countries often lack comprehensive, standardi zed databases that cover a wide range of taxonomic groups modelled using a c onsistent framework. Using Switzerland as a case study, we demonstrate how t hese gaps can be addressed by introducing SDMapCH (v1.3), a nationwide raste r database of species habitat suitability maps at 25-meter resolution. SDMap CH provides maps for about 7,500 species under both present conditions and f uture climate scenarios. SDMapCH was developed using the N-SDM software, an end-to-end platform based on a spatially-nested hierarchical framework. N-SD M allows multi-level integration of species and covariate data, helping to a ddress niche truncation. SDMapCH outputs were evaluated using a state-of-the -art cross-validation procedure, and all layers passed a systematic data int egrity check. By providing standardized, high-resolution habitat suitability maps for diverse species across various taxonomic and functional groups, SD MapCH stands as a key resource for scientific research and biodiversity asse ssments.' (1300 chars)
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title => protected'Projecting untruncated climate change effects on species' climate suitabilit y: insights from an alpine country' (110 chars)
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categories => protected'biodiversity conservation; climate change scenarios; climate suitability; fu ture projections; niche truncation; species distribution models' (139 chars)
description => protected'Climate projections for continental Europe indicate drier summers, increased annual precipitation, and less snowy winters, which are expected to cause s hifts in species' distributions. Yet, most regions/countries currently lack comprehensive climate-driven biodiversity projections across taxonomic group s, challenging effective conservation efforts. To address this gap, our stud y evaluated the potential effects of climate change on the biodiversity of a n alpine country of Europe, Switzerland. We used a state-of-the art species distribution modeling approach and species occurrence data that covered the climatic conditions encountered across the full species' ranges to help limi ting niche truncation. We quantified the relationship between baseline clima te and the spatial distribution of 7291 species from 12 main taxonomic group s and projected future climate suitability for three 30-year periods and two greenhouse gas concentration scenarios (RCP4.5 and 8.5). Our results indica ted important effects of projected climate changes on species' climate suita bility, with responses varying by the taxonomic and conservation status grou p. The percentage of species facing major changes in climate suitability was higher under RCP8.5 (68%) compared to RCP4.5 (66%). By the end of the centu ry, decreases in climate suitability were projected for 3000 species under R CP8.5 and 1758 species under RCP4.5. The most affected groups under RCP8.5 w ere molluscs, algae, and amphibians, while it was molluscs, birds, and vascu lar plants under RCP4.5. Spatially, by 2070–2099, we projected an overall decrease in climate suitability for 39% of the cells in the study area under RCP8.5 and 10% under RCP4.5, while projecting an increase for 50% of the ce lls under RCP8.5 and 73% under RCP4.5. The most consistent geographical shif ts were upward, southward, and eastward. We found that the coverage of high climate suitability cells by protected areas was expected to increase. Our m odels and maps provide g...' (2105 chars)
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authors => protected'Collart, F.; Rey, P. L.; Altermatt, F.; Külling, N .; Guisan, A.; Adde, A.' (109 chars)
title => protected'On the use of neighboring habitats as predictors of species distributions' (73 chars)
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description => protected'Choosing the appropriate scale for measuring environmental predictors is nee ded for accurately modelling species distributions. This need is becoming in creasingly important with the use of high-resolution species distribution mo dels (SDMs), emphasizing the challenge of aligning predictors with the spati al and ecological scales at which species interact with their environments. Focal predictors, which summarize landscape information within a spatially m oving window, are powerful to account for neighboring information and scale dependency but have remained overlooked in SDMs. Using an automated selectio n procedure to identify the best predictors and measurement scales from a hi gh-dimensional pool of candidates, including 13 nested circular focal sizes from 25 m to 5 km radius for each landscape feature, this study evaluated th e use of focal predictors through a set of national-scale, high-resolution S DMs for more than 7000 species across 17 major taxonomic groups. It further examined whether focal selection depended on species' mobility or body size. Among all species, focal predictors were selected at least once in ≥ 94% of the SDMs, highlighting their important role. For mobile species, larger f ocal windows were selected for the land use and land cover category, whereas sessile species were associated with larger focal windows for topographic p redictors. For small species, predictors with smaller focal windows were mor e often selected. Given the importance of focal predictors across all studie d taxa, adjusting the optimal scale for each predictor and species is of utm ost importance to improve model performance and account for species' scale d ependency.' (1682 chars)
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SDMapCH: a Comprehensive database of >7,500 modelled species habitat suitability maps for Switzerland
Conserving natural ecosystems requires consistent and standardized biodiversity data to advance scientific research and ecological understanding. Despite several national initiatives to develop databases of species habitat suitability maps, even well-studied countries often lack comprehensive, standardized databases that cover a wide range of taxonomic groups modelled using a consistent framework. Using Switzerland as a case study, we demonstrate how these gaps can be addressed by introducing SDMapCH (v1.3), a nationwide raster database of species habitat suitability maps at 25-meter resolution. SDMapCH provides maps for about 7,500 species under both present conditions and future climate scenarios. SDMapCH was developed using the N-SDM software, an end-to-end platform based on a spatially-nested hierarchical framework. N-SDM allows multi-level integration of species and covariate data, helping to address niche truncation. SDMapCH outputs were evaluated using a state-of-the-art cross-validation procedure, and all layers passed a systematic data integrity check. By providing standardized, high-resolution habitat suitability maps for diverse species across various taxonomic and functional groups, SDMapCH stands as a key resource for scientific research and biodiversity assessments.
Adde, A.; Rey, P.-L.; Külling, N.; Chauvier-Mendes, Y.; Fopp, F.; Popp, M. R.; Broennimann, O.; Petitpierre, B.; Strebel, N.; Gross, A.; Stofer, S.; Lehmann, A.; Zimmermann, N. E.; Pellissier, L.; Guisan, A.; Altermatt, F. (2025) SDMapCH: a Comprehensive database of >7,500 modelled species habitat suitability maps for Switzerland, Scientific Data, 12, 1752 (10 pp.), doi:10.1038/s41597-025-06037-x, Institutional Repository
Projecting untruncated climate change effects on species' climate suitability: insights from an alpine country
Climate projections for continental Europe indicate drier summers, increased annual precipitation, and less snowy winters, which are expected to cause shifts in species' distributions. Yet, most regions/countries currently lack comprehensive climate-driven biodiversity projections across taxonomic groups, challenging effective conservation efforts. To address this gap, our study evaluated the potential effects of climate change on the biodiversity of an alpine country of Europe, Switzerland. We used a state-of-the art species distribution modeling approach and species occurrence data that covered the climatic conditions encountered across the full species' ranges to help limiting niche truncation. We quantified the relationship between baseline climate and the spatial distribution of 7291 species from 12 main taxonomic groups and projected future climate suitability for three 30-year periods and two greenhouse gas concentration scenarios (RCP4.5 and 8.5). Our results indicated important effects of projected climate changes on species' climate suitability, with responses varying by the taxonomic and conservation status group. The percentage of species facing major changes in climate suitability was higher under RCP8.5 (68%) compared to RCP4.5 (66%). By the end of the century, decreases in climate suitability were projected for 3000 species under RCP8.5 and 1758 species under RCP4.5. The most affected groups under RCP8.5 were molluscs, algae, and amphibians, while it was molluscs, birds, and vascular plants under RCP4.5. Spatially, by 2070–2099, we projected an overall decrease in climate suitability for 39% of the cells in the study area under RCP8.5 and 10% under RCP4.5, while projecting an increase for 50% of the cells under RCP8.5 and 73% under RCP4.5. The most consistent geographical shifts were upward, southward, and eastward. We found that the coverage of high climate suitability cells by protected areas was expected to increase. Our models and maps provide guidance for spatial conservation planning by pointing out future climate-suitable areas for biodiversity.
Adde, A.; Külling, N.; Rey, P.‐L.; Fopp, F.; Brun, P.; Broennimann, O.; Lehmann, A.; Petitpierre, B.; Zimmermann, N. E.; Pellissier, L.; Altermatt, F.; Guisan, A. (2024) Projecting untruncated climate change effects on species' climate suitability: insights from an alpine country, Global Change Biology, 30(11), e17557 (16 pp.), doi:10.1111/gcb.17557, Institutional Repository
On the use of neighboring habitats as predictors of species distributions
Choosing the appropriate scale for measuring environmental predictors is needed for accurately modelling species distributions. This need is becoming increasingly important with the use of high-resolution species distribution models (SDMs), emphasizing the challenge of aligning predictors with the spatial and ecological scales at which species interact with their environments. Focal predictors, which summarize landscape information within a spatially moving window, are powerful to account for neighboring information and scale dependency but have remained overlooked in SDMs. Using an automated selection procedure to identify the best predictors and measurement scales from a high-dimensional pool of candidates, including 13 nested circular focal sizes from 25 m to 5 km radius for each landscape feature, this study evaluated the use of focal predictors through a set of national-scale, high-resolution SDMs for more than 7000 species across 17 major taxonomic groups. It further examined whether focal selection depended on species' mobility or body size. Among all species, focal predictors were selected at least once in ≥ 94% of the SDMs, highlighting their important role. For mobile species, larger focal windows were selected for the land use and land cover category, whereas sessile species were associated with larger focal windows for topographic predictors. For small species, predictors with smaller focal windows were more often selected. Given the importance of focal predictors across all studied taxa, adjusting the optimal scale for each predictor and species is of utmost importance to improve model performance and account for species' scale dependency.
Collart, F.; Rey, P. L.; Altermatt, F.; Külling, N.; Guisan, A.; Adde, A. (2025) On the use of neighboring habitats as predictors of species distributions, Oikos, doi:10.1002/oik.11963, Institutional Repository
