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Journal articles on the topic 'Toposequence'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Enya, O.O, J.A.I Omueti, and G. E. Akinbola. "PARTICLE SIZE AND FREE IRON OXIDES DISTRIBUTION ALONG TWO TOPOSEQUENCES IN SOUTH WESTERN NIGERIA." Continental J. Agronomy 5, no. 2 (2011): 22–31. https://doi.org/10.5281/zenodo.3710561.

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Particle size and free iron oxides content distribution along Sedimentary and Basement complex toposequences in South Western Nigeria was investigated. Representative soil samples totaling nine mini-pits (45 cm x 45 cm x 70 cm)  were taken based on topographic position. Conventional methods were used in the determination of pH, particle size distribution while the free iron oxides were determined using Dithionite-Citrate-Bicarbonate (DCB) and Acid Ammonium Oxalate methods. Results indicated that, soil texture was loamy sand surface horizon and increasing proportion of clay with depth, exc

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2

Mitchell, J. H., Sipaseuth, and S. Fukai. "Farmer participatory variety selection conducted in high- and low-toposequence multi-location trials for improving rainfed lowland rice in Lao PDR." Crop and Pasture Science 65, no. 7 (2014): 655. http://dx.doi.org/10.1071/cp14082.

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Lowland rice in Lao PDR is predominantly grown under drought-prone, rainfed conditions in the wet season. We utilised a farmer participatory variety selection (PVS) approach in combination with multi-location yield trials (MLTs) conducted in high- and low-toposequence positions to test advanced breeding lines with the aim of improving the efficiency of the rice-breeding program and encouraging rapid adoption of improved lines. Upper position fields were utilised to screen for traits for unfavourable environments, including drought resistance, while lower fields were used to target yield potent

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3

Surwase, S. A., S. K. Singh, G. P. Obi Reddy, et al. "Characterization and Classification of Soils in a Toposequence of the Semi-arid Basaltic Landscape of Western India." International Journal of Plant & Soil Science 35, no. 19 (2023): 876–87. http://dx.doi.org/10.9734/ijpss/2023/v35i193622.

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The pedological investigations were carried out on a soil toposequence of the semi-arid region on the basaltic landscape of western India and landform-soil relationship was established. In the study, seven soil profiles, representative of the summit, escarpment, lower pediment, undulating lands, plains and valley in a toposequence were studied. The study indicated that the soil development and its properties were following the toposequence. The profile development was least at the summit and best in the plains of the toposequence. The horizon sequences observed from the summit through plains o

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4

Crespo, Cristiane Maria Gonçalves, Victor Casimiro Piscoya, Renisson Neponuceno de Araujo Filho, et al. "Soil carbon stocks and labile fractions of organic matter under agroforestry system in breast of pernambucan altitude." Ciência Florestal 32, no. 4 (2022): 2180–98. http://dx.doi.org/10.5902/1980509867374.

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Intense soil preparation and disturbance in crops, over time, reduces the quantity and quality of soil organic matter. Given this context, this work aimed to determine soil carbon stocks and labile fractions under agroforestry system (AFS) and toposequences in an altitude marsh, Taquaritinga do Norte, Pernambuco, Brazil. The study was carried out at the Yaguara farm, and the areas studied were native forest with 4.57 ha and coffee plantation in shade with native forest with 25.59 ha. Soil samples were collected in four trenches measuring 1.5 x 1.5 x 0.60 m, with a distance of 50 meters. Soils

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5

Omokaro, Godspower Oke. "A Review on the Impacts of Toposequence on Soil Properties." American Journal of Environment and Climate 2, no. 3 (2023): 114–20. http://dx.doi.org/10.54536/ajec.v2i3.2209.

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This study demonstrates the significant influence of toposequence position on soil properties and hydrological conditions, affecting crop yield. Variations in toposequence position lead to differences in soil properties; physical and chemical properties may vary minimally or maximally depending on the slope’s location. As slope increases, soil moisture and organic carbon rise, while bulk density, pH, and soil temperature decrease. Soils along a toposequence reveal that landscape position, erosion, aspect, and drainage impact soil depth, particle size distribution, and CEC. Understanding topogr

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6

Soares, Jorge Luís Nascimento, Carlos Roberto Espindola, and Walcylene Lacerda Matos Pereira. "Physical properties of soils under intensive agricultural management." Scientia Agricola 62, no. 2 (2005): 165–72. http://dx.doi.org/10.1590/s0103-90162005000200012.

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Pedologic alterations after long-term sugar cane (Saccharum officinarum) cropping cycles under traditional soil management systems were studied on a farm in Bariri, SP, Brazil. A toposequence was established to evaluate the effects of the soil position in the relief in changing soil physical attributes. Morphological field descriptions and laboratory analyses were carried out on vertical profiles of the upper, middle and lower thirds of a Typic Haplorthox slope. Soil bulk density and macroporosity changed along the toposequence reflecting on soil hydrodynamics, especially in the lower slope pa

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7

Diniz, Yan Vidal De Figueiredo Gomes, Marcos Gervasio Pereira, Nivaldo Schultz, Otavio Augusto Queiroz Dos Santos, Tiago Paula Da Silva, and Daniel Fonseca De Carvalho. "Are Soil Physical-Hydraulic Attributes Influenced By Profile Position On The Slope?" Revista de Gestão Social e Ambiental 19, no. 4 (2025): e012013. https://doi.org/10.24857/rgsa.v19n4-102.

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Objective: This study aimed to evaluate the influence of soil physical-hydraulic attributes in a toposequence at the Federal Rural University of Rio de Janeiro campus, identifying their relationship with erosion susceptibility. Theoretical framework: The research is based on studies on erosive dynamics and soil conservation, considering the influence of relief and physical-hydraulic characteristics on soil formation and degradation. Method: Three soil profiles were analyzed at different slope positions (upper, middle, and lower thirds). Undisturbed and disturbed samples were collected for chem

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8

Ramadhani, Nia, Fransiscus S. Rembon, Namriah Namriah, Sahta Ginting, Zulfikar Zulfikar, and Resman Resman. "Evaluasi Status Hara N, P, K Berdasarkan Toposekuen pada Tanah Lahan Cengkeh di Desa Puulemo Kecamatan Lembo Kabupaten Konawe Utara." AGRONU: JURNAL AGROTEKNOLOGI 3, no. 01 (2024): 12–20. http://dx.doi.org/10.53863/agronu.v3i01.576.

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This research was carried out on a clove plantation in Puulemo Village, Lembo District, North Konawe Regency from June to July 2022. The purpose of this study was: to determine the nutrient status of different toposequences on community clove plantation in Puulemo Village, Lembo District, North Konawe Regency. The method used in the field is a survey method based on toposequence. Soil samples were taken by purposive sampling at three points, namely the top, middle and bottom of the slope with a depth of 0-30 cm and 30-60 cm. The samples were brought to the laboratory for analysis of the conten

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9

Inthavong, T., M. Tsubo, and S. Fukai. "Soil clay content, rainfall, and toposequence positions determining spatial variation in field water availability as estimated by a water balance model for rainfed lowland rice." Crop and Pasture Science 63, no. 6 (2012): 529. http://dx.doi.org/10.1071/cp12108.

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Drought is a major limiting factor for the production of rainfed rice in the Mekong Region. Thus, estimation of the length of growing period (LGP) based on estimation of the development of water deficit is essential for sound planning of agricultural development. A recently developed soil-water balance model was used to quantify the availability of water for rice crops and yield reduction due to water deficit. Field water availability is known to be largely affected by soil type and rainfall pattern, and their separate effects were investigated in this study of a spatial analysis of LGP, using

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10

Olson, G. L., and D. K. Cassel. "Bromide Leaching on a Piedmont Toposequence." Soil Science Society of America Journal 63, no. 5 (1999): 1319–26. http://dx.doi.org/10.2136/sssaj1999.6351319x.

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11

Toth, T., and G. Jozefaciuk. "Physicochemical properties of a solonetzic toposequence." Geoderma 106, no. 1-2 (2002): 137–59. http://dx.doi.org/10.1016/s0016-7061(01)00122-7.

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12

Omokaro, Godspower Oke, Kolawole Agoro Abiola, Anthonia Bakare, Edmond Airueghian, and Ikioukenighia Michael. "Forms and Distribution of Phosphorus along A Toposequence at the University of Benin, Nigeria." American Journal of Geospatial Technology 3, no. 1 (2024): 1–8. http://dx.doi.org/10.54536/ajgt.v3i1.2591.

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The experiment was conducted at University of Benin, Nigeria, involving soil samples from four toposequence sites (Crest, Middle, Lower, and Bottom) at different depths (0-15 cm, 15-30 cm, and 30-45 cm). A total of 36 samples were collected and analyzed for various parameters using standard procedures. The parameters included particle size distribution, pH, total organic carbon (TOC), total nitrogen (N), available phosphorus (P), Carbon (C), Hydrogen (H), Magnesium (Mg), Potassium (K), Sodium (Na), ECEC, and Aluminum (Al). Results indicated that pH was lowest in the Crest area (pH 4.10 at 30-4

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13

Herniyanti, A., D. Suleman, Namriah, et al. "Influence of toposequence on soil quality of sugarcane plantation area in Bombana Regency, Indonesia." IOP Conference Series: Earth and Environmental Science 1253, no. 1 (2023): 012021. http://dx.doi.org/10.1088/1755-1315/1253/1/012021.

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Abstract The intensive land use across the toposequence of sugarcane plantation has the potential to reduce soil quality, particularly due to the hazardous effect of erosion. Therefore, it is necessary to periodically evaluate the physical and chemical properties of the soil. The study was performed on Inceptisols in a sugarcane plantation area and aimed to investigate the effect of topography on soil quality. The soils sample were taken across the physiographic position (i.e., upper, middle, and bottom) of the study area. Nine soil samples were collected at 0-20cm depth, then composited into

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14

Cornish, Peter S., Ashok Kumar, and Sudipta Das. "Soil fertility along toposequences of the East India Plateau and implications for productivity, fertiliser use, and sustainability." SOIL 6, no. 2 (2020): 325–36. http://dx.doi.org/10.5194/soil-6-325-2020.

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Abstract. In common with other undulating landscapes in Asia, wetland rice (Oryza sativa) on the East India Plateau (EIP) was once confined to hydrologic discharge areas or lowlands, but progressive terracing has now allowed rainfed transplanted rice to encroach upon upland recharge areas, with potential effects on both hydrology and soil fertility. Hydrologic variation down the toposequence and its implications for rice production have been well documented but not the variation in soil fertility. Measurements of soil chemical fertility in seven of 24 EIP districts were used to evaluate variat

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15

Silva, Fernanda Magno, David C. Weindorf, Sérgio Henrique Godinho Silva, et al. "Tropical Soil Toposequence Characterization via pXRF Spectrometry." Soil Science Society of America Journal 83, no. 4 (2019): 1153–66. http://dx.doi.org/10.2136/sssaj2018.12.0498.

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., E. U. Onweremadu. "Distribution of Mercury in a Polluted Toposequence." Research Journal of Environmental Sciences 1, no. 5 (2007): 264–69. http://dx.doi.org/10.3923/rjes.2007.264.269.

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17

Koné, Brahima, Amadou Touré, Guillaume L. Amadji, Albert Yao-Kouamé, Pascal Tehua Angui, and Joël Huat. "Soil characteristics andCyperusspp. occurrence along a toposequence." African Journal of Ecology 51, no. 3 (2013): 402–8. http://dx.doi.org/10.1111/aje.12050.

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18

Seelig, B. D., and J. L. Richardson. "Sodic Soil Toposequence Related to Focused Water Flow." Soil Science Society of America Journal 58, no. 1 (1994): 156–63. http://dx.doi.org/10.2136/sssaj1994.03615995005800010023x.

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19

Kirkby, C. A., L. J. Smythe, J. W. Cox, and D. J. Chittleborough. "Phosphorus movement down a toposequence from a landscape with texture contrast soils." Soil Research 35, no. 2 (1997): 399. http://dx.doi.org/10.1071/s96045.

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Pedological processes culminating in physical and chemical differences to the soil profile down a toposequence also changed the migrating potential of phosphorus (P) within the landscape. Considerable erosion had occurred resulting in a large movement of soil from the upper to the lower slopes. This, in turn, had led to a decrease in profile depths on the upper slopes and an increase on the lower slopes. We found that in the upper parts of the toposequence there was enhanced macropore or bypassing flow resulting in a greater and deeper leaching of P compared with the lower slopes. The P that m

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20

Abdelkader, Benkheira, Samia Hamadene, Nadia Ouadah, and Mohamed Kaabeche. "La buxaie des Maâdhid (Algérie) : une irradiation biogéographique euro-méditerranéenne aux confins saharo-méditerranéens." Le Journal de botanique 97, no. 1 (2021): 12–27. http://dx.doi.org/10.3406/jobot.2021.2344.

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Boxwood (Buxus sempervirens L.) has an exceptional presence in Algeria by its rarity and its distribution. Moreover, species location in the Saharo-Mediterranean borders makes its study of a special interest. Paradoxically, this species, belonging in the list of protected plants, has not yet been sufficiently investigated in the ecological and floristic field. To fill this gap in the knowledge of the floral heritage of Algeria, both from an ecological and phytogeographic point of view, a series of successive observations was carried out, for the first time, during the summer and autumn 2017 an

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21

Solomon, Adamu Gisilanbe, Ardo Musa Salihu, Joel Lebbiso Ifraimu, Sani Bilayabu Saminu, and Dahiru Ali Hadiza. "Soil Morphological Properties, Classification, Suitability and Capability Classification on Dabora-Yelwa Toposequence, Adamawa State, Northeastern Nigeria." International Journal of Plant & Soil Science 17, no. 4 (2017): 1–10. https://doi.org/10.9734/IJPSS/2017/32045.

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This study was conducted to assess soil morphological properties, soil classification, suitability and capability classification on Dabora-Yelwa toposequence with the view of improving soil management practices and increase the productive capacity of the farmers of the study area. Soil sampling units were delineated using GIS and the study area was categorized into 3 different slope positions on the toposequence and each slope position was recognized as a sampling unit. Two soil types were identified and classified into Typic Plinthustalfs (Yelwa and Sangba’a respectively) and Psammentic Paleu

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22

Ehrenfeld, Joan G., Eric Kaldor, and Robert W. Parmelee. "Vertical distribution of roots along a soil toposequence in the New Jersey Pinelands." Canadian Journal of Forest Research 22, no. 12 (1992): 1929–36. http://dx.doi.org/10.1139/x92-252.

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Root biomass was determined for four sites on each of two toposequences in the New Jersey Pinelands. The sites have similar plant species composition, disturbance histories, and soil parent materials; the soils at the different topographic positions vary principally in the thickness of the organic horizon. Each toposequence consisted of lowland, transition, and upland sites, plus a site in the pygmy pine stands found on exposed topographic rises within the region. Root biomass was determined for three depths (organic horizon, 0–10 cm and 10–20 cm mineral soil) and three size classes (<1, 1–

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23

Fawole, O. A., R. O. Ojedokun, L. O. Asabia, H. O. Shaib-Rahim, and A. I. Oluwaponle. "Pedogenic forms and distribution of potassium in soils along a complex toposequence within Forestry Research Institute of Nigeria, Ibadan." Journal of Agriculture, Forestry and the Social Sciences 18, no. 1 (2021): 38–44. http://dx.doi.org/10.4314/joafss.v18i1.5.

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The study was designed to examine the forms and pedogenic distribution of potassium in soils formed along a toposequence within Forestry Research Institute of Nigeria, Ibadan. Four (4) profile pits were established, described and sampled. Particle size, soil reaction and organic matter were determined in addition to exchangeable K, solution K and Fixed K which were determined using flame photometer. Results of particle size analysis showed that the silt content is low and varied randomly within the profiles possibly due to their location on the topography. The clay content was relatively high

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24

Ferreira, Cheila Deisy, Francisco Tibério de Alencar Moreira, Patrícia Carneiro Souto, Lyanne dos Santos Alencar, and César Henrique Alves Borges. "Soil organic carbon in a toposequence in the semiarid of Paraíba, Brazil." Research, Society and Development 9, no. 5 (2020): e164953365. http://dx.doi.org/10.33448/rsd-v9i5.3365.

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Organic carbon is a sensible indicator to evaluate the environmental quality of the soil. The objective of this study was to evaluate the organic carbon content of the soil in a toposequence in Serra do Teixeira, municipality of Teixeira, PB. Soil samples were collected in the upper third (UT), upper middle third (UMT), lower middle third (LMT) and lower third (LT) on three depths (0-5, 5-10 and 10-20 cm), with five replicates for each depth, resulting in a total of 60 samples. The organic carbon was evaluated using the methodology of Walkey-Black. Physical and chemical soil analysis were also

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25

Bispo, Fábio Henrique Alves, Alexandre Christofaro Silva, Pablo Vidal Torrado, and Valdomiro Severino de Souza Junior. "Highlands of the upper Jequitinhonha valley, Brazil: II - mineralogy, micromorphology, and landscape evolution¹." Revista Brasileira de Ciência do Solo 35, no. 4 (2011): 1081–91. http://dx.doi.org/10.1590/s0100-06832011000400002.

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Palm swanp formations, the so-called veredas, typically occur in the Brazilian biome known as "Cerrado" (savanna-like vegetation), especially on flattened areas or tablelands (chapadas). The aim of this study was to characterize the mineralogy and micromorphology of soil materials from a representative toposequence of the watershed of the vereda Lagoa do Leandro, located in Minas Novas, state of Minas Gerais, Brazil, on plains in the region of the upper Jequitinhonha valley, emphasizing essential aspects of their genesis and landscape evolution. The toposequence is underlain by rocks of the Ma

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26

Giblin, A. E., K. J. Nadelhoffer, G. R. Shaver, J. A. Laundre, and A. J. McKerrow. "Biogeochemical Diversity Along a Riverside Toposequence in Arctic Alaska." Ecological Monographs 61, no. 4 (1991): 415–35. http://dx.doi.org/10.2307/2937049.

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27

Tsai, Chen-Chi, and Zueng-Sang Chen. "LITHOLOGIC DISCONTINUITIES IN ULTISOLS ALONG A TOPOSEQUENCE IN TAIWAN." Soil Science 165, no. 7 (2000): 587–96. http://dx.doi.org/10.1097/00010694-200007000-00007.

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28

Frascoli, Antônio Carias, Julia Lilienfein, Wolfgang Wilcke, et al. "SOLOS DA CHAPADA UBERLÂNDIA-UBERABA (MG) - MORFOLOGIA, GRANULOMETRIA E pH, EM TOPOSSEQÜÊNCIA." Caminhos de Geografia 1, no. 1 (2000): 18–26. http://dx.doi.org/10.14393/rcg1115244.

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Data is presented from characterization of a continuous oxisol soil mantle on toposequence located on the Uberlândia-Uberaba high plateau. Soil pedon were sequentially described in the field both on two meters deep pits located on previously selected sites based on detailed soil morphology observations. After sampling and description of the soils up to 6 meters of depth, pH and textural analyses were performed.

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29

Aya, Diva Tabita, Arifin Mahfud, and Devnita Rina. "Diversity of Soil Physical Properties of Andisols in Toposequence Results from the Eruption of Mount Tangkuban Parahu in Sukawana Tea Plantation." International Journal of Life Science and Agriculture Research 03, no. 08 (2024): 647–50. https://doi.org/10.5281/zenodo.13236730.

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Topography is one of the soil forming factors that affect soil properties and crop productivity. Soil properties that affect crop productivity include soil physical properties. The purpose of this research was to identify the characteristics of soil physical properties including permeability, bulk density, and soil porosity at various slope positions and identify the effect of slope position on soil physical properties. This research was conducted on a toposekuen located in Sukawana Tea Plantation which has an undulating to hilly topography with a slope of 25 - 45%. This research was conducted

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Rodrigues, Sílvio Carlos, Josenilson Bernardo da Silva, and Wellington Carlos Vieira. "ANÁLISE DAS CARACTERÍSTICAS DE MATERIAIS SUPERFICIAIS EM FUNÇÃO DA APLICAÇÃO DE LODO ESTABILIZADO EM ÁREA DE CULTIVO DE CITRUS, EM ARAGUARI (MG)." Caminhos de Geografia 2, no. 4 (2001): 55–72. http://dx.doi.org/10.14393/rcg2415283.

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This paper presents the results of an evaluation of the main characteristics of landforms located at Araguari County where stabilized slime have been scattered over the soil surface. These characteristics have special importance to determine the soil capacity of assimilation nutrients and other minerals that exist in this kind of slime provided by frigorific.  Keywords: relief and toposequence analysis, infiltration capacity, soil materials

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31

Eshett, E. T., J. A. I. Omueti, and A. S. R. Juo. "Soil properties and mineralogy in relation to land use on a sedimentary toposequence in south-eastern Nigeria." Journal of Agricultural Science 112, no. 3 (1989): 377–86. http://dx.doi.org/10.1017/s0021859600085828.

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SummaryThe mineralogy of the clay fraction (<2 μm) of nine soil samples representing three physiographic positions of a toposequence in Ochon, south-eastern Nigeria, was determined by transmission electron microscopy and X-ray diffraction.Soils in the crest and middle slopes (pedons TE1 and TE2, respectively) of the toposequence, formed over fine-grained sandstone, were coarse-textured, well-drained and acidic and had low effective cation exchange capacity and percentage base saturation. Kaolinite, mica, quartz, goethite and gibbsite were the principal minerals identified in the clay fracti

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Fritsch, E., and RW Fitzpatrick. "Colour plates - Interpretation of soil features produced by ancient and modern processes in degraded landscapes .1. A new method for constructing conceptual soil-water-landscape models." Soil Research 32, no. 5 (1994): 880. http://dx.doi.org/10.1071/sr9940880.

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A pedo-hydrological method which involves interpreting features in soils that result from both ancient and modern processes along toposequences in a subcatchment of the Mt Lofty Ranges, South Australia, is used to construct conceptual soil-water-landscape models. This method links soil-landscape features to soil-water processes with strong emphasis on: (i) soil water-flow systems and (ii) soil-forming and soil-change processes. The conceptual model illustrates the interactions between soil processes acting in soil water-flow systems. This model is able to predict future modes of soil-landscape

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Fritsch, E., and RW Fitzpatrick. "Interpretation of soil features produced by ancient and modern processes in degraded landscapes .1. A new method for constructing conceptual soil-water-landscape models." Soil Research 32, no. 5 (1994): 889. http://dx.doi.org/10.1071/sr9940889.

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A pedo-hydrological method which involves interpreting features in soils that result from both ancient and modern processes along toposequences in a subcatchment of the Mt Lofty Ranges, South Australia, is used to construct conceptual soil-water-landscape models. This method links soil-landscape features to soil-water processes with strong emphasis on: (i) soil water-flow systems and (ii) soil-forming and soil-change processes. The conceptual model illustrates the interactions between soil processes acting in soil water-flow systems. This model is able to predict future modes of soil-landscape

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34

Perez, Francisco L. "A High-Andean Toposequence: The Geoecology of Caulescent Paramo Rosettes." Mountain Research and Development 15, no. 2 (1995): 133. http://dx.doi.org/10.2307/3673877.

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Cheng, Weixin, R. A. Virginia, S. F. Oberbauer, C. T. Gillespie, J. F. Reynolds, and J. D. Tenhunen. "Soil Nitrogen, Microbial Biomass, and Respiration along an Arctic Toposequence." Soil Science Society of America Journal 62, no. 3 (1998): 654–62. http://dx.doi.org/10.2136/sssaj1998.03615995006200030016x.

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Gobin, A., P. Campling, J. Deckers, and J. Feyen. "Integrated Toposequence Analyses to combine local and scientific knowledge systems." Geoderma 97, no. 1-2 (2000): 103–23. http://dx.doi.org/10.1016/s0016-7061(00)00029-x.

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Bani, Aida, Guillaume Echevarria, Emmanuelle Montargès-Pelletier, Fran Gjoka, Sulejman Sulçe, and Jean Louis Morel. "Pedogenesis and nickel biogeochemistry in a typical Albanian ultramafic toposequence." Environmental Monitoring and Assessment 186, no. 7 (2014): 4431–42. http://dx.doi.org/10.1007/s10661-014-3709-6.

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Bravard, S., and D. Righi. "Geochemical differences in an Oxisol-Spodosol toposequence of Amazonia, Brazil." Geoderma 44, no. 1 (1989): 29–42. http://dx.doi.org/10.1016/0016-7061(89)90004-9.

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39

Azam, Arsalan, Mohammad Saleem Akhtar, Shah Rukh, et al. "Changes in Soil Organic Carbon Fractions Across a Loess Toposequence." Journal of Soil Science and Plant Nutrition 20, no. 3 (2020): 1193–202. http://dx.doi.org/10.1007/s42729-020-00204-2.

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Chirinda, Ngonidzashe, Lars Elsgaard, Ingrid K. Thomsen, Goswin Heckrath, and Jørgen E. Olesen. "Carbon dynamics in topsoil and subsoil along a cultivated toposequence." CATENA 120 (September 2014): 20–28. http://dx.doi.org/10.1016/j.catena.2014.03.014.

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Bliss, L. C., and W. G. Gold. "The patterning of plant communities and edaphic factors along a high arctic coastline: implications for succession." Canadian Journal of Botany 72, no. 8 (1994): 1095–107. http://dx.doi.org/10.1139/b94-134.

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Isostatic rebound and the periodic development of ice-push beach ridges have created topography suitable for development of biologically rich polar oases along the northeast coast of Devon Island, Canada. Distinct patterning of both plant communities and edaphic factors from coastal shoreline areas inland indicate primary succession with a directional species replacement At Rocky Point (emergent < 2000 BP) biological development along the shore is initiated by marine algae that are invaded by cyanobacteria. These organic mats are colonized by Puccinellia on the shoreline of these brackish l

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Kefas, P. K., L. M. Maniyunda, A. B. Shobayo, Y. A. Garjila, H. J. Philip, and A. Christopher. "Fertility capability classification of selected soils on the basement complex of north-eastern Nigeria." Agro-Science 21, no. 3 (2023): 94–100. http://dx.doi.org/10.4314/as.v21i3.11.

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A clear understanding of soil characteristics and their appropriate classification are essential for efficient land use and increased productivity. The present study was carried out to obtain the fertility capability classification (FCC) of the soils overlying the basement complex in a toposequence in north eastern Nigeria and to serve as baseline data for soil management. Soils on four topographic positions identified on porphyritic granite (PG), pegmatite (PT) and granite-gneiss (GG) of the basement complex in Taraba State of Nigeria were assessed. Twelve pedons were studied in all, four alo

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Bekele, Abinet, Sheleme Beyene, Alemayehu Kiflu, and Fantaw Yimer. "Genesis and Classification of Termite-Mediated Soils along Toposequences in a Semiarid Area of Southeast Ethiopia." Applied and Environmental Soil Science 2023 (January 27, 2023): 1–15. http://dx.doi.org/10.1155/2023/7150907.

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Despite the ecosystem functioning they provide, termite pedoturbation along toposequence is overlooked in the genesis of semiarid soils. Therefore, we aimed to describe morphological and physicochemical properties that lead to the classification of termite-mediated soils. In this study, representative pedons, one on each slope class, were described and classified for five different topographical positions, and the soil properties of genetic horizons were compared to those obtained from respective mounds. The result showed that the soils were heavily manipulated by termites except for the pedon

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Bispo, Fábio Henrique Alves, Alexandre Christofaro Silva, and Pablo Vidal Torrado. "Highlands of the upper Jequitinhonha valley, Brazil: I - characterization and classification." Revista Brasileira de Ciência do Solo 35, no. 4 (2011): 1069–80. http://dx.doi.org/10.1590/s0100-06832011000400001.

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In the upper Jequitinhonha valley, state of Minas Gerais, Brazi, there are large plane areas known as "chapadas", which are separated by areas dissected by tributaries of the Jequitinhonha and Araçuaí rivers. These dissected areas have a surface drainage system with tree, shrub, and grass vegetation, more commonly known as "veredas", i.e., palm swamps. The main purpose of this study was to characterize soil physical, chemical and morphological properties of a representative toposequence in the watershed of the Vereda Lagoa do Leandro, a swamp near Minas Novas, MG, on "chapadas", the highlands

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Marcatto, Francieli Sant'ana, Hélio Silveira, and Alan Charles Fontana. "Estabilidade de agregados dos solos em uma topossequência cultivada com cana-de-açúcar em Astorga-PR." Revista Brasileira de Geografia Física 14, no. 7 (2022): 3953. http://dx.doi.org/10.26848/rbgf.v14.7.p3953-3967.

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A cana-de-açúcar têm se expandido no Brasil, principalmente sobre as áreas cultivadas com pastagens, aumentando a degradação estrutural dos solos. Diante disso, este trabalho propõe determinar a estabilidade de agregados dos solos ao longo de uma topossequência derivada de arenitos da Formação Santo Anastácio, visando compreender a dinâmica natural destes solos e a interferência do manejo da cana-de-açúcar na sua qualidade estrutural e suscetibilidade erosiva. Os procedimentos metodológicos incluíram o levantamento da topossequência, a abertura de trincheiras, a descrição morfológica dos perfi

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Brouwer, J., and R. W. Fitzpatrick. "Restricting layers, flow paths and correlation between duration of soil saturation and soil morphological features along a hillslope with an altered soil water regime in western Victoria." Soil Research 40, no. 6 (2002): 927. http://dx.doi.org/10.1071/sr02009.

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This paper is the second of two describing how soil macromorphological and chemical data can be combined with soil hydrological data to distinguish between, and to quantify, past and present hydrological processes relevant to waterlogging and dryland salinity. The first paper provides a methodological framework for the study, and describes the initial interpretation of the macromorphological features of the toposequence studied, using the soil feature-system-domain grouping method. This second paper deals with the added value of extensive piezometric and other hydrological observations relativ

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Dash, Prava Kiran, Soumya Ranjan Patra, Antaryami Mishra, et al. "Physico-chemical Characterization and Taxonomic Classification of Soil Profiles in a Toposequence Located in RRTTS and KVK Farm, Keonjhar, Odisha, India." Journal of Scientific Research and Reports 30, no. 10 (2024): 386–99. http://dx.doi.org/10.9734/jsrr/2024/v30i102466.

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The study investigates the physico-chemical characteristics and taxonomic classification of soil profiles along a toposequence at the RRTTS and KVK farm, Keonjhar, Odisha. Three distinct land types - upland, medium land, and lowland - were selected for the study, representing varying topographic positions. The investigation focused on soil properties such as bulk density, particle density, pH, organic carbon content, electrical conductivity, cation exchange capacity (CEC), base saturation, and available macro and micronutrients. Results indicated that bulk and particle densities were lower in

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Cooper, Miguel, João Carlos Medeiros, Jaqueline Dalla Rosa, José Eduardo Soria, and Raul Shiso Toma. "Soil functioning in a toposequence under rainforest in São Paulo, Brazil." Revista Brasileira de Ciência do Solo 37, no. 2 (2013): 392–99. http://dx.doi.org/10.1590/s0100-06832013000200010.

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Studies of soil-water dynamics using toposequences are essential to improve the understanding of soil-water-vegetation relationships. This study assessed the hydro-physical and morphological characteristics of soils of Atlantic Rainforest in the Parque Estadual de Carlos Botelho, state of São Paulo, Brazil. The study area of 10.24 ha (320 x 320 m) was covered by dense tropical rainforest (Atlantic Rainforest). Based on soil maps and topographic maps of the area, a representative transect of the soil in this plot was chosen and five soil trenches were opened to determine morphological propertie

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Arthur, Angela, and Daniel Okae-Anti. "Genesis and Classification of Soils from a Toposequence at Wamaso, Ghana." OALib 09, no. 08 (2022): 1–17. http://dx.doi.org/10.4236/oalib.1109108.

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Hseu, Zeng-Yei, and Zueng-Sang Chen. "Quantifying Soil Hydromorphology of a Rice-Growing Ultisol Toposequence in Taiwan." Soil Science Society of America Journal 65, no. 1 (2001): 270–78. http://dx.doi.org/10.2136/sssaj2001.651270x.

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