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  • 1
    Keywords: Physical geography. ; Climatology. ; Agriculture Economic aspects. ; Agriculture. ; Soil science. ; Physical Geography. ; Climate Sciences. ; Earth System Sciences. ; Agricultural Economics. ; Agriculture. ; Soil Science.
    Description / Table of Contents: Foreword -- Chapter 1: Background to the natural landscape and the consequences of the ecosystem conversion -- Chapter 2: Socio-economic and institutional drivers and impacts of land use change -- Chapter 3: Potentials and Strategies of adapted land use as basis for ecological and social-economic sustainable development of the rural landscape -- Chapter 4: Change in Regional Development -- Chapter 5: Summary and outlook -- Acknowledgement.
    Abstract: This book focuses on a representative example and one of the world’s largest steppe conversions, and provides a detailed overview of the results of the BMBF-funded research project KULUNDA. As part of the Siberian virgin land policy, the Kulunda steppe was transformed into agricultural land from 1954 to 1965. In the course of the project, a multidisciplinary research team conducted a natural, social-economic and agro-scientific cause-and-effect analysis of (agro-)ecosystem destabilisation, as well as various field trials covering tillage and crop rotation options in their socio-economic context. The ecologically and economically sound findings offer strategies for combining climate smart land utilization, ecosystem restoration and sustainable regional development, and can readily be applied to other virgin land conversion efforts. In addition, the findings on the Eurasian steppes will expand the current conversion literature, which mainly consists of the ‘Dust Bowl’ literature of the North American plains. Given its scope, the book will appeal to scientists, professionals, and students in the environmental, geo- and climate sciences. .
    Type of Medium: Online Resource
    Pages: XXVI, 522 p. 202 illus., 164 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9783030159276
    Series Statement: Innovations in Landscape Research,
    DDC: 910.02
    Language: English
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  • 2
    Keywords: Bodenkunde ; soil ; Boden ; pedology ; Pedologie ; soil science ; Bodenwissenschaft
    Description / Table of Contents: 1 Boden und Böden --- Einleitung --- 1.2 Der Umgang mit Böden --- Veränderungen von Böden durch menschliche Eingriffe --- Prähistorischer Umgang mit den Böden --- Die dunklen Erden Amazoniens --- Der Umgang mit Böden im vormodernen China --- Intensivierte Bodennutzung in der Neuzeit --- Der Umgang mit Böden im Ökologischen Landbau --- 1.3 Die Geschichte der Bodenkunde --- Die Wurzeln der Bodenkunde --- Die geobiowissenschaftliche/forstliche Tradition --- Die agrarwissenschaftliche Tradition --- Die chemische Tradition --- Die kulturtechnische Tradition --- 2 Böden als Naturkörper --- Einleitung --- Gliederung der Bodenlebewesen --- 2.1 Mineralkörper von Böden --- Silicate --- Gesteinsbildende Oxide --- Carbonate, Sulfate, Chloride, Phosphate --- Gesteine als Ausgangsmaterial der Bodenentwicklung --- Gesteinsgemische und Substratabfolgen --- Saprolite --- Anthropogene Gesteine --- Chemische Verwitterungsprozesse --- Tonminerale --- Carbonate, Gips und lösliche Salze --- Schwerminerale --- Tonminerale Methodik --- Pedogene Oxide --- Carbonate und Salze --- Textur der mineralischen Substanz --- 2.2 Humuskörper von Böden --- Humusformen und -typen --- Waldstreu --- Streu landwirtschaftlicher Nutzflächen --- Modellsysteme für Huminstoffe --- Alter der Humusstoffe --- Nährstoffgehalte und -nachlieferung --- 2.4 Bodenlebewesen --- Bodenfauna --- Biodenbiomasse --- Einfluss der Standort- und Bodeneigenschaften auf die Bodenfauna --- Einfluss des Bodenlebens auf Streuabbau und Aggregatbildung --- Bodenenzyme --- 2.5 Potenziale in Böden --- Bodenreaktion --- 2.6 Gefüge und Porengrößenverteilung --- Körnung und Konsistenz --- Mineralischer Feinboden --- Mineralischer Grobboden --- Organische Bodenpartikel --- Gefüge --- Morphologie --- Kräfte und Spannungen in Böden --- Wasserbindung und Porengrößenverteilung --- Wasserbewegung und Wasserleitfähigkeit des Bodens --- Thermisches Verhalten der Böden --- Bodenmechanik --- Makroskopische mechanische Verfahren --- Rheologie --- 2.7 Flüsse in Böden --- Makroporen und präferenzielle Sickerung --- Transportformen --- Wärmefluss und Wärmehaushalt --- Physikochemische Aspekte des Stofftransports in Böden --- Gastransport in Böden --- Transport gelöster Stoffe im Boden --- 3 Böden als Teile von Landschaften --- Einleitung --- 3.2 Klassifikation von Böden --- Geschichte und Prinzipien der Bodenklassifikation --- Systematik der Böden Deutschlands --- Die Österreichische Bodensystematik 2000 (OBS 2000) --- Bezugsgrundlage der Boden-Ressourcen der Erde (WRB) --- Bezugsgrundlage der Boden-Ressourcen der Erde (WRB), 2. Auflage 2006, 1. Update 2007 --- FAO/Unesco, Bodenkarte der Welt --- Systematik der bodenbildenden Substrate --- 3.3 Wichtige Bodeneinheiten --- Podsole --- Terrae calcis --- Reduktosole --- Watten und Strände – Salzwiesen und Mangrovenwälder --- Subhydrische Böden --- Moore --- 3.4 Böden als Landschaftssegmente --- Grundsätze der Bodenvergesellschaftung --- Bodentragende Landschaftsformen --- Klassifikation von Bodengesellschaften --- Watten und Marschen Nordwestdeutschlands --- Norddeutsche Jungmoränenlandschaften --- Norddeutsche Altmoränenlandschaften --- Nord- und mitteldeutsche Lössbörden und Sandlössgebiete --- Böden städtisch-industrieller Verdichtungsräume --- Bodenlandschaften kühlhumider Zonen (Boreale Wälder) --- Bodengeographie der Waldsteppen und Steppen --- Bodenlandschaften subtropischer mediterraner Zonen --- Bodengeografie der wechselfeuchten Tropen am Beispiel Indiens --- 3.5 Kartierungstechnik --- Kartierungstechnik --- 3.6 Bodenkundliche Kartenwerke --- Bodenkundliche Kartenwerke --- 4 Funktionen von Böden --- Einleitung --- 4.2 Standortfunktionen von Böden --- Böden als Waldstandorte --- Böden als Grünlandstandorte --- Deutsche Weinbaustandorte --- Böden als Obstbaustandorte --- Böden als Baugrund und Baustoff --- Die amtliche Bodenschätzung in Deutschland --- 4.4 Böden als Bestandteil des Landschaftshaushaltes --- Boden und Landschaftswasserhaushalt --- Landschaftsstoffhaushalt --- 4.5 Böden als landschafts- und kulturgeschichtliche Urkunden --- Böden als landschafts- und kulturgeschichtliche Urkunden --- Böden und Bodenmerkmale unterschiedlichen Alters --- Datierungsmethoden --- Norddeutsches Vereisungsgebiet --- Süddeutsches Vereisungsgebiet --- Lößgebiete Süddeutschlands --- Paläoböden in periglazialen Lagen der Mittelgebirge --- 5 Bodenkultivierung, Bodenmelioration --- Einleitung --- 5.1 Grundlagen der Bodenkultivierung und Bodenmelioration --- Grundlagen der Bodenkultivierung und Bodenmelioration --- 5.2 Meliorationsverfahren --- Meliorationsverfahren --- 5.3 Kultivierungsverfahren --- Marschkultur --- Einleitung --- Moorkulturen --- Plaggen --- Tiefenbearbeitung --- Bewässerung --- 6 Anthropogene Bodenveränderungen und -belastungen --- Einleitung --- 6.1 Bodenüberformung und -versiegelung --- Bodenüberformung und -versiegelung --- 6.2 Anthropogene Gefügeänderung --- Bewirtschaftungssysteme und ihre Auswirkungen auf das Bodengefüge --- Anthropogene Gefügeänderungen --- Forstliche Bodenbewirtschaftung --- Melioration von tiefreichend schadverdichteten Neu- und Altlandstandorten --- 6.3 Abtrag von Böden --- Physikalische Ursachen der Wassererosion --- Erosionsformen --- Winderosion --- Abtrag von Böden --- Feststofftransport in Fließgewässern --- Quantifizierung des Bodenabtrags anhand von Modellen --- 6.4 Düngung von Böden --- Düngung von Böden --- 6.5 Kontamination von Böden --- Organische Pflanzenschutzmittel --- Antibiotika --- Radionuklide 7 Bodenschutz --- Einleitung --- 7.1 Gesetzliche Grundlagen --- Bundes-Bodenschutzgesetz (Wortlaut) --- Bundes-Bodenschutz- und Altlastenverordnung (Wortlaut) --- Bodenschutzrecht --- 7.2 Bodenschutz in der Landwirtschaft --- Einleitung --- Gesetzliche Instrumente --- Ökonomische Instrumente --- 7.3 Bodenschutzrelevante Planungen --- Planung und Umsetzung im urbanindustriellen und suburbanen Raum --- 7.4 Schutz vor mechanischer Belastung --- Schutz vor mechanischer Belastung --- 7.5 Schutz vor Abtrag und Überflutung --- Schutz vor Abtrag und Überflutung --- 7.6 Schutz vor stofflichen Belastungen --- Schutz landwirtschaftlicher Böden vor Überdüngung --- Schutz vor Säuren --- Schutz vor Salzen und Alkalinität --- Schutz vor Belastung mit Pflanzenschutzmitteln --- Schutz vor Organika --- Schutz vor Kontamination durch Deponien --- Schutz vor Kontamination bei Reststoffverwertung --- 7.7 Erziehung zum Bodenschutz --- Erziehung zum Bodenschutz --- 8 Bodensicherung, -sanierung und -restaurierung --- Einleitung --- 8.1 Rechtsgrundlagen der Bodensanierung --- Rechtsgrundlagen der Bodensanierung --- 8.3 Rekultivierung unterschiedlicher Böden und Substrate --- Rekultivierung unterschiedlicher Böden und Substrate --- 8.4 Rekultivierung fremdgenutzter Standorte --- Rekultivierung aufgegebener Industrie-, Gewerbe und Verkehrsflächen --- 8.5 Rekultivierung und Renaturierung von Abgrabungsflächen --- Rekultivierung und Renaturierung von Abgrabungsflächen --- 8.6 Sanierungsbedürftigkeit und Schutzwürdigkeit von Böden --- Sanierungsbedürftigkeit und Schutzwürdigkeit von Böden
    ISBN: 9783527678495
    Language: English
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  • 3
    Publication Date: 2023-06-19
    Description: Dissolved organic carbon (DOC) from Oa horizons has been proposed to be an important contributor for subsoil organic carbon stocks. We investigated the fate of DOC by directly injecting a DOC solution from 13C labelled litter into three soil depths at beech forest sites. Fate of injected DOC was quantified with deep drilling soil cores down to 2 m depth, 3 and 17 months after the injection. 27 ± 26% of the injected DOC was retained after 3 months and 17 ± 22% after 17 months. Retained DOC was to 70% found in the first 10 cm below the injection depth and on average higher in the topsoil than in the subsoil. After 17 months DOC in the topsoil was largely lost (− 19%) while DOC in the subsoil did not change much (− 4.4%). Data indicated a high stabilisation of injected DOC in the subsoils with no differences between the sites. Potential mineralisation as revealed by incubation experiments however, was not different between DOC injected in topsoil or subsoils underlining the importance of environmental factors in the subsoil for DOC stabilisation compared to topsoil. We conclude that stability of DOC in subsoil is primary driven by its spatial inaccessibility for microorganisms after matrix flow while site specific properties did not significantly affect stabilisation. Instead, a more fine-textured site promotes the vertical transport of DOC due to a higher abundance of preferential flow paths.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:550.78 ; Forest subsoils ; Cascade model ; Incubation experiment ; 13C ; Field experiment
    Language: English
    Type: doc-type:article
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  • 4
    Publication Date: 2023-11-15
    Description: Changes in land use and climate are the main drivers of change in soil organic matter contents. We investigated the impact of the largest policy-induced land conversion to arable land, the Virgin Lands Campaign (VLC), from 1954 to 1963, of the massive cropland abandonment after 1990 and of climate change on soil organic carbon (SOC) stocks in steppes of Russia and Kazakhstan. We simulated carbon budgets from the pre-VLC period (1900) until 2100 using a dynamic vegetation model to assess the impacts of observed land-use change as well as future climate and land-use change scenarios. The simulations suggest for the entire VLC region (266 million hectares) that the historic cropland expansion resulted in emissions of 1.6⋅ 1015 g (= 1.6 Pg) carbon between 1950 and 1965 compared to 0.6 Pg in a scenario without the expansion. From 1990 to 2100, climate change alone is projected to cause emissions of about 1.8 (± 1.1) Pg carbon. Hypothetical recultivation of the cropland that has been abandoned after the fall of the Soviet Union until 2050 may cause emissions of 3.5 (± 0.9) Pg carbon until 2100, whereas the abandonment of all cropland until 2050 would lead to sequestration of 1.8 (± 1.2) Pg carbon. For the climate scenarios based on SRES (Special Report on Emission Scenarios) emission pathways, SOC declined only moderately for constant land use but substantially with further cropland expansion. The variation of SOC in response to the climate scenarios was smaller than that in response to the land-use scenarios. This suggests that the effects of land-use change on SOC dynamics may become as relevant as those of future climate change in the Eurasian steppes.
    Description: BMBF
    Description: BMBF
    Description: ERA.net
    Description: danish ERC program
    Description: Ural Branch, Russian Academy of Sciences https://doi.org/10.13039/501100006422
    Description: BMBF
    Description: Potsdam-Institut für Klimafolgenforschung (PIK) e.V. (3500)
    Keywords: ddc:631.4 ; Carbon emissions ; Soil carbon stocks ; Model simulations ; Steppe region ; Cropland expansion
    Language: English
    Type: doc-type:article
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  • 5
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: The Yenisei river passes every type of permafrost regime, from south to north, being characterized by increasing continuity of the permafrost and by decreasing thickness of the active layer. We used that situation to test the hypothesis that amounts and properties of dissolved organic matter (DOM) in small streams draining forested catchments respond to different permafrost regimes. Water samples were taken from eight tributaries along the Yenisei between 67°30′N and 65°49′N latitude. The samples were analysed for dissolved organic carbon (DOC) and nitrogen (DON) and DOM was characterized by its chemical composition (XAD-8 fractionation, sugars, lignin phenols, amino acids, protein, UV and fluorescence spectroscopy), and its biodegradability. Most properties of the tributary waters varied depending on latitude. The higher the latitude, the higher were DOC, DON and the proportion of the hydrophobic fraction of DOC. The contribution of hexoses and pentoses to DOC were higher in southern tributaries; on the other hand, phenolic compounds were more abundant in northern tributaries. Mineralizable DOC ranged between 4% and 28% of total DOC. DOM in northern tributaries was significantly (P〈0.05) less biodegradable than that in southern tributaries reflecting the differences in the chemical properties of DOM. Our results suggest that the differences in DOM properties are mainly attributed to differences of permafrost regime, affecting depth of active layer, soil organic matter accumulation and vegetation. Soil organic matter and vegetation determine the amount and composition of DOM produced in the catchments while the depth of the active layer likely controls the quantity and quality of DOM exported to streams. Sorptive interactions of DOM with the soil mineral phase typically increase with depth. The results imply that a northern shift of discontinuous permafrost likely will change in the long term the input of DOM into the Yenisei and thus probably into the Kara Sea.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Soil Science Society of America journal 63 (1999), S. 1188-1198 
    ISSN: 1435-0661
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: −1 soil and 37–79 mg muramic acid kg−1 soil) were larger by factors of 54 to 745 and 26 to 82, respectively. At three sites, the ratios of glucosamine to muramic acid in NT soils (32.0, 30.0, 42.2) significantly exceeded those in the respective CT soils (18.8, 22.1, 23.0) because of a higher enrichment of glucosamine. This coincided with higher values for fungal biomass, particulate organic matter carbon (POM-C), mean weight diameter of water-stable aggregates (MWD), and total organic carbon (TOC). Analysis of aggregate-size classes showed that the additional glucosamine accumulated in 〉53-mm aggregates but not in smaller particles. The enrichment of SOM in fungal-derived glucosamine suggests that the accrual of hyphal cell-wall residues is an important process in the three NT agroecosystems which leads to higher SOM storage in surface soil concurrent with an increase in aggregate stability. The other soils, having a lower clay plus silt content, exhibited no significant differences in POM-C, MWD, and total amino sugars between NT and CT management systems. We suggest that at lower clay plus silt contents the beneficial potential for NT to sequester microbial-derived SOM is lower because of limited physical stabilization.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract For a one year period intact Spodosol soil columns were percolated weekly with H2Odeion, 1.58 mmol H2SO4 L−1, and 0.79 mmol H2SO4 L−1+0.64 mmol HNO3 L−1, respectively. Decomposition rates, soil organic carbon (OC) solubilization, dissolved organic carbon (DOC) fractions, and Cr-, Cu-, and Cd-binding by dissolved hydrophobic and hydrophilic acids were studied. Acid treatment reduced significantly OC respiration as well as OC solubilization in the humic layers. The reduced OC solubility at acid addition was more pronounced for the less polar hydrophobic compounds, resulting in a decrease of the hydrophobic acids (from ca. 65 to 40–45% of DOC), and in an increase of the hydrophilic acids (from ca. 25 to 40–45% of DOC). For B horizon leachates, DOC increased at acid treatment. Generally, hydrophobic acids were retained preferentially in the B horizon. Also in the B horizon output there was an increase of the hydrophilic acids as acidity increased (from ca. 40 to 50% of DOC). Differences between the two acid treatments were negligible. The degree of metal-organic complexes decreased in the order Cr 〉Cu 〉Cd, from A to B horizon leachates, and with increasing acidity. Hydrophilic acids were found to be the dominating ligands in complexing Cr and Cu. Actual Cr- and Cu-binding by hydrophilic acids exceeded that by hydrophobic acids 2–8 times. As the hydrophilic acids represented the most mobile DOC components in the soil columns, in particular with increasing acidity, significant amounts of Cr and Cu in the B horizon leachates were organically complexed, although a great proportion of the hydrophobic acids was retained in the B horizon.
    Type of Medium: Electronic Resource
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  • 8
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    Unknown
    PANGAEA
    In:  Supplement to: Ingrisch, Johannes; Biermann, Tobias; Seeber, Elke; Leipold, Thomas; Li, Maoshan; Ma, Yaoming; Xu, Xingliang; Miehe, Georg; Guggenberger, Georg; Foken, Thomas; Kuzyakov, Yakov (2015): Carbon pools and fluxes in a Tibetan alpine Kobresia pygmaea pasture partitioned by coupled eddy-covariance measurements and 13CO2 pulse labeling. Science of the Total Environment, 505, 1213-1224, https://doi.org/10.1016/j.scitotenv.2014.10.082
    Publication Date: 2023-01-13
    Description: The Tibetan highlands host the largest alpine grassland ecosystems worldwide, bearing soils that store substantial stocks of carbon (C) that are very sensitive to land use changes. This study focuses on the cycling of photoassimilated C within a Kobresia pygmaea pasture, the dominating ecosystems on the Tibetan highlands. We investigated short-term effects of grazing cessation and the role of the characteristic Kobresia root turf on C fluxes and belowground C turnover. By combining eddy-covariance measurements with 13CO2 pulse labeling we applied a powerful new approach to measure absolute fluxes of assimilates within and between various pools of the plant-soil-atmosphere system. The roots and soil each store roughly 50% of the overall C in the system (76 Mg C/ha), with only a minor contribution from shoots, which is also expressed in the root:shoot ratio of 90. During June and July the pasture acted as a weak C sink with a strong uptake of approximately 2 g C/m**2/ in the first half of July. The root turf was the main compartment for the turnover of photoassimilates, with a subset of highly dynamic roots (mean residence time 20 days), and plays a key role for the C cycling and C storage in this ecosystem. The short-term grazing cessation only affected aboveground biomass but not ecosystem scale C exchange or assimilate allocation into roots and soil.
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 9
    Publication Date: 2023-01-13
    Keywords: Carbon; Carbon-13/Carbon-12 ratio; Carbon dioxide efflux; Comment; DATE/TIME; Day of experiment; Event label; KEMA_G1; KEMA_G2; KEMA_G3; KEMA_G4; KEMA_P1; KEMA_P2; KEMA_P3; KEMA_P4; KEMA_U1; KEMA_U2; KEMA_U3; KEMA_U4; Latitude of event; Longitude of event; MULT; Multiple investigations; Sample code/label; Tibetan Plateau; Treatment; δ13C
    Type: Dataset
    Format: text/tab-separated-values, 736 data points
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  • 10
    Publication Date: 2023-01-13
    Keywords: DATE/TIME; HEIGHT above ground; Humidity, absolute; HYGRO; Hygrometer; KEMA; Long-wave downward radiation; Long-wave upward radiation; Precipitation, sum; Radiometer, Kipp & Zonen, CNR 1; Short-wave downward (GLOBAL) radiation; Short-wave upward (REFLEX) radiation; Temperature, air; Thermometer; Tibetan Plateau; Weather station/meteorological observation; WST
    Type: Dataset
    Format: text/tab-separated-values, 18280 data points
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