A tropical soil (Lixisol) identified in the northernmost part of the Mediterranean (Istria, Croatia)

Durn, Goran; Perković, Ivor; Razum, Ivan; Ottner, Franz; Škapin, Srečo D.; Faivre, Sanja; Beloša, Lea; Vlahović, Igor; Rubinić, Vedran

doi:10.1016/j.catena.2023.107144

Cited by 2 publications

(1 citation statement)

References 74 publications

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“…Soil colours have been applied to recognize soil composition and quality, and as one of basic parameters for soil classification since the beginning of the modern soil sciences (Linné, 1748). In particular soil colour may apparently reflect the origin and content of organic matter in soil (Łabaz et al, 2019;Łachacz and Załuski, 2023;Zhang and Hartemink, 2019), transformation/degradation of soil humus and humus horizons (Drewnik and Żyła, 2019;Łabaz and Kabała, 2016), mineral weathering and accumulation of iron compounds (Barajas and Ceron, 2022;Jankowski and Bednarek, 2022;Wakwoya et al, 2023), pedogenic accumulation of secondary carbonates and gypsum (Ayala-Nińo et al, 2022), illuvial accumulation of humus, iron, and clay (Durn et al, 2023;Gus-Stolarczy et al, 2023), water stagnation and redox processes (Repe and Pristovsek, 2022;Świtoniak et al, 2022), morphological transformation of soil profile (Czigány et al, 2020;Krupski et al, 2017;Mendyk et al, 2020;Świtoniak, 2014), persistence of parent materials in soil, in particular the light-coloured limestones/dolomites (Łabaz et al, 2022), lithogenic stratification of soil profile from alluvial (Jonczak et al, 2023;Kawałko et al, 2021;Loaiza-Usuga et al, 2022) or glacial (Kabala et al, 2022;Woronko et al, 2022) sedimentation, and other.…”

Section: Introductionmentioning

confidence: 99%

Application of portable colorimeter for identification of mollic horizon and mollic-based soil groups

Kawałko,

Gruszka,

Waroszewski

et al. 2023

Soil Sci. Ann.

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Identifi cation of soil colours, which have crucial importance as diagnostic criteria for mollic horizon and mollic-based soil groups, is considered to be impacted by personal skill and experience of the researcher. The experiment with soil colour identifi cation in the fi eld using standard Munsell charts and the laboratory identifi cation by four groups of experts, as well as using the electronic portable colorimeter was conducted using 30 loess-and alluvium-derived soils. The manual fi eld identifi cation of mollic horizons by individual highly experienced researcher, based on colour value and chroma (using the Munsell charts), may be overestimated up to 17% compared to manual identifi cation by group of experts under laboratory conditions. The differences between groups of experts were statistically insignifi cant; however, a weak tendency to identify the lower value (dry) and higher chroma (moist) with increasing expert age or experience was observed (in the order: MSc students -PhD students -doctors -professors). No signifi cant difference in soil colour identification was observed in relation to gender of experts. An electronic measurement of soil colours by portable colorimeter confi rmed an overestimation of the manual identifi cation of mollic horizons by 17% and 7%, compared to individual (fi eld) and group (lab) recognition, respectively. The study confi rmed the suitability of standard portable colorimeter for the verifi cation of colours required for mollic horizon, in particular in soils those colour values are close to the classifi cation threshold and their manual recognition depends on individual expert's skills.

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Section: Introductionmentioning

confidence: 99%

Application of portable colorimeter for identification of mollic horizon and mollic-based soil groups

Kawałko,

Gruszka,

Waroszewski

et al. 2023

Soil Sci. Ann.

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Soil toposequences, soil erosion, and ancient Maya land use adaptations to pedodiversity in the tropical karstic landscapes of southern Mexico

Sedov,

Rivera-Uria,

Ibarra-Arzave

et al. 2023

Front. Earth Sci.

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The soil mantle of the tropical karst landscapes of southern Mexico was a key resource for ancient Maya agriculture and experienced deep transformation due to long-term human impacts under changing environmental conditions. We conducted a comparative analysis of three compound soil toposequences in mountainous (Sierra de Chiapas/Middle Usumacinta Valley, Busiljá, and Chinikihá archaeological sites) and platform (NE Yucatán Peninsula, Yalahau region) karst landscapes to reconstruct general tendencies and regional variations in pedodiversity development and soil–human interactions since the Early Preclassic Period. Toposequence characterization is based on macro- and micromorphological observations, accompanied by a suite of laboratory data. Calcareous upland geoforms of all toposequences have similar soil combinations consisting of shallow Rendzina and deep red clayey Terra Rossa types of profiles. We argue that Rendzinas, now dominant in the upland soil cover, in most cases, are not a product of incipient pedogenesis on limestone; they have developed from the residues of Terra Rossa soils after their advanced erosion. Pedosediments generated by ancient soil erosion have been found in the piedmont and depression positions in the mountainous landscapes of Chiapas, as a result of lateral downslope soil removal, and in the subsurface karstic cavities in the platform of NE Yucatán, indicating vertical “soil piping.” The soils of the lowland domains show contrasting differences between the toposequences: gleyic clay–rich soils and humic alluvial soils prevail in Chinikihá and Busiljá, whereas hydromorphic carbonate soils have formed in Yalahau karstic depressions. These differences in the lowland soil properties led to divergent ancient Maya land use strategies; in Chinikihá and Busiljá, the major agricultural domain was developed in the lowlands, implying largescale artificial drainage. On the contrary, in Yalahau, mostly upland Rendzinas were cultivated, implying “precision agriculture” and “container gardening.”

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A tropical soil (Lixisol) identified in the northernmost part of the Mediterranean (Istria, Croatia)

Cited by 2 publications

References 74 publications

Application of portable colorimeter for identification of mollic horizon and mollic-based soil groups

Application of portable colorimeter for identification of mollic horizon and mollic-based soil groups

Soil toposequences, soil erosion, and ancient Maya land use adaptations to pedodiversity in the tropical karstic landscapes of southern Mexico

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