{"type": "FeatureCollection", "features": [{"id": "10.1111/gcb.15496", "type": "Feature", "geometry": null, "properties": {"updated": "2026-09-21T16:17:34Z", "type": "Journal Article", "created": "2020-12-20", "title": "Topsoil organic matter build\u2010up in glacier forelands around the world", "description": "Abstract<p>Since the last glacial maximum, soil formation related to ice\uffe2\uff80\uff90cover shrinkage has been one major sink of carbon accumulating as soil organic matter (SOM), a phenomenon accelerated by the ongoing global warming. In recently deglacierized forelands, processes of SOM accumulation, including those that control carbon and nitrogen sequestration rates and biogeochemical stability of newly sequestered carbon, remain poorly understood. Here, we investigate the build\uffe2\uff80\uff90up of SOM during the initial stages (up to 410\uffc2\uffa0years) of topsoil development in 10 glacier forelands distributed on four continents. We test whether the net accumulation of SOM on glacier forelands (i) depends on the time since deglacierization and local climatic conditions (temperature and precipitation); (ii) is accompanied by a decrease in its stability and (iii) is mostly due to an increasing contribution of organic matter from plant origin. We measured total SOM concentration (carbon, nitrogen), its relative hydrogen/oxygen enrichment, stable isotopic (13C, 15N) and carbon functional groups (C\uffe2\uff80\uff90H, C=O, C=C) compositions, and its distribution in carbon pools of different thermal stability. We show that SOM content increases with time and is faster on forelands experiencing warmer climates. The build\uffe2\uff80\uff90up of SOM pools shows consistent trends across the studied soil chronosequences. During the first decades of soil development, the low amount of SOM is dominated by a thermally stable carbon pool with a small and highly thermolabile pool. The stability of SOM decreases with soil age at all sites, indicating that SOM storage is dominated by the accumulation of labile SOM during the first centuries of soil development, and suggesting plant carbon inputs to soil (SOM depleted in nitrogen, enriched in hydrogen and in aromatic carbon). Our findings highlight the potential vulnerability of SOM stocks from proglacial areas to decomposition and suggest that their durability largely depends on the relative contribution of carbon inputs from plants.</p>", "keywords": ["[SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics", "550", "Nitrogen", "Chronosequence", "551", "01 natural sciences", "[SDV.BV.BOT] Life Sciences [q-bio]/Vegetal Biology/Botanics", "Soil", "soil organic matter", "carbon stability; chronosequence; climate sensitivity; soil organic matter; topsoil development; Carbon; Nitrogen; Temperature; Ice Cover; Soil", "[SDV.BID.SPT] Life Sciences [q-bio]/Biodiversity/Systematics", " Phylogenetics and taxonomy", "[SDV.EE.ECO] Life Sciences [q-bio]/Ecology", " environment/Ecosystems", "Ice Cover", "topsoil development", "Carbon stability", "0105 earth and related environmental sciences", "2. Zero hunger", "Soil organic matter", "Temperature", "Phylogenetics and taxonomy", "04 agricultural and veterinary sciences", "[SDV.BV.BOT]Life Sciences [q-bio]/Vegetal Biology/Botanics", "15. Life on land", "Climate sensitivity", "Primary Research Articles", "Carbon", "chronosequence", "[SDE.BE] Environmental Sciences/Biodiversity and Ecology", "13. Climate action", "[SDV.EE.ECO]Life Sciences [q-bio]/Ecology", "[SDE]Environmental Sciences", "Topsoil development", "climate sensitivity", "carbon stability; chronosequence; climate sensitivity; soil organic matter; topsoil development;", "0401 agriculture", " forestry", " and fisheries", "[SDE.BE]Environmental Sciences/Biodiversity and Ecology", "environment/Ecosystems", "carbon stability"]}, "links": [{"href": "https://air.unimi.it/bitstream/2434/851691/2/khedim%202021%20submitted.pdf"}, {"href": "https://air.unimi.it/bitstream/2434/851691/3/khedim%202021%20Global%20Change%20Biol.pdf"}, {"href": "https://boa.unimib.it/bitstream/10281/300214/2/10281-300214_VoR.pdf"}, {"href": "https://onlinelibrary.wiley.com/doi/pdf/10.1111/gcb.15496"}, {"href": "https://doi.org/10.1111/gcb.15496"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Global%20Change%20Biology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/gcb.15496", "name": "item", "description": "10.1111/gcb.15496", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/gcb.15496"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2021-01-16T00:00:00Z"}}, {"id": "10.5281/zenodo.11200024", "type": "Feature", "geometry": null, "properties": {"updated": "2026-09-21T16:20:19Z", "type": "Dataset", "title": "Segmentation of particulate organic matter in X-ray Computed Tomography images of soil aggregates with deep convolutional networks", "description": "unspecifiedThis is a dataset that accompanies the paper entitled \u2018Segmentation of particulate organic matter in X-ray Computed Tomography images of soil aggregates with deep convolutional networks\u2019 by Oliveira, A.B., Bordonal, R.O., Peixinho, A.Z., Carvalho, J.L.N., Ferreira, T.R. The files will be publicly accessible when the paper is published.", "keywords": ["Soil carbon stability", "Image processing", "Interactive machine learning", "Deep learning", "Synchrotron"], "contacts": [{"organization": "Oliveira, Aline, Bordonal, Ricardo, Peixinho, Alan, Carvalho, Jo\u00e3o Luis, Ferreira, Talita,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5281/zenodo.11200024"}, {"rel": "self", "type": "application/geo+json", "title": "10.5281/zenodo.11200024", "name": "item", "description": "10.5281/zenodo.11200024", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5281/zenodo.11200024"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2024-01-01T00:00:00Z"}}, {"id": "10.5281/zenodo.16887474", "type": "Feature", "geometry": null, "properties": {"updated": "2026-09-21T16:21:00Z", "type": "Dataset", "title": "Soil texture prevails over vegetation change in determining soil organic carbon storage across savanna-forest boundaries", "description": "1.\u00a0\u00a0\u00a0\u00a0 Tropical savannas play a unique and significant role in the global carbon cycle, yet they are increasingly being targeted for carbon sequestration through afforestation, based on the assumption that increased tree cover will substantially boost carbon stocks in both tree biomass and soils. However, the response of soil organic carbon (SOC) to afforestation in these ecosystems remains highly uncertain, and the underlying reasons for this variability are not well understood.  2.\u00a0\u00a0\u00a0\u00a0 The dynamic boundaries between savannas and forests provide an ideal setting for studying the potential impacts of afforestation on soil carbon storage and stability in savannas. Here, we sampled surface soils (0-15 cm) across six savanna\u2013forest boundaries in Hluhluwe iMfolozi Park, South Africa, and analyzed patterns of SOC stocks, including their particulate and mineral-associated organic matter (POM and MAOM) pools, and pyrogenic carbon (PyC) stocks along transects from savannas into forests.  3.\u00a0\u00a0\u00a0\u00a0 Soils from savannas had comparable SOC, POM, MAOM, and PyC stocks, as well as similar proportions of POM and MAOM relative to SOC, to those from forests. Savanna soils had a significantly higher proportion of PyC relative to SOC compared to forest soils (p = 0.008). Despite the limited influence of vegetation type (savannas vs. forests) on all measured carbon pools, substantial variation in these pools was observed across transects, largely driven by differences in soil clay and silt content across the landscape.  4.\u00a0\u00a0\u00a0\u00a0 Synthesis. These results contradict our expectation that savanna-to-forest transitions would increase POM pools, thereby leading to higher SOC stocks in forests compared to savannas. Instead, MAOM contributed most to SOC and was primarily driven by soil clay and silt content in this system. These findings highlight that soil texture can override the influence of vegetation on soil carbon formation and persistence, suggesting that increasing tree cover alone cannot be simply linked to soil carbon gains during savanna-to-forest transitions.", "keywords": ["savanna-forest boundary", " soil organic carbon", " particulate organic carbon", " mineral-associated organic carbon", " pyrogenic carbon", " soil carbon stability"], "contacts": [{"organization": "Zhou, Yong", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5281/zenodo.16887474"}, {"rel": "self", "type": "application/geo+json", "title": "10.5281/zenodo.16887474", "name": "item", "description": "10.5281/zenodo.16887474", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5281/zenodo.16887474"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2025-08-16T00:00:00Z"}}], "links": [{"rel": "self", "type": "application/geo+json", "title": "This document as GeoJSON", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=carbon+stability&f=json", "hreflang": "en-US"}, {"rel": "alternate", "type": "text/html", "title": "This document as HTML", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=carbon+stability&f=html", "hreflang": "en-US"}, {"rel": "collection", "type": "application/json", "title": "Collection URL", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main", "hreflang": "en-US"}, {"type": "application/geo+json", "rel": "first", "title": "items (first)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=carbon+stability&", "hreflang": "en-US"}, {"rel": "last", "type": "application/geo+json", "title": "items (last)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=carbon+stability&offset=3", "hreflang": "en-US"}], "numberMatched": 3, "numberReturned": 3, "distributedFeatures": [], "timeStamp": "2026-09-22T06:57:30.219386Z"}