Results 1 to 10 of about 1,219 (180)

Silt-sized sediments and gypsum on surface formations in the Ebro Basin: a disambiguation of the term “gypsiferous silts”

Geologica Acta, 2021
The term “gypsiferous silts” has been used since the 1960s by many authors, but it has relied on unclear, am-biguous criteria that attributed aeolian, colluvial or alluvial origins to these materials.
Rosa M. Poch, Rafael Rodríguez-Ochoa, Octavio Artieda, J. Carles Balasch, Jaume Boixadera   +4 more
doaj   +1 more source

Characteristics of Andisols Developed from Andesitic and Basaltic Volcanic Ash in Different Agro-Climatic Zones

Soil Systems, 2022
This study aimed to identify the characteristics of Andisols under tea plantations affected by different Oldeman’s agro-climatic zones, of different ages, and containing different types of volcanic ash material.
Mahfud Arifin, Rina Devnita, Markus Anda, Didiek H. Goenadi, Adi Nugraha   +4 more
doaj   +1 more source

Role of Arthropods in Maintaining Soil Fertility

Agriculture, 2013
In terms of species richness, arthropods may represent as much as 85% of the soil fauna. They comprise a large proportion of the meso- and macrofauna of the soil.
Thomas W. Culliney
doaj   +1 more source

Recognizing the Importance of an Urban Soil in an Open-Air City Museum: An Opportunity in the City of Madrid, Spain

Land, 2022
This article examines the presence of urban soil buried under anthropogenic debris in an air-museum park in the Madrid city center (Spain), and highlights the particularities of this singular urbanized setting to indicate ecological evaluation options ...
Raimundo Jiménez-Ballesta, Isabel S. De Soto-García, Francisco Jesús García-Navarro, Rosario García-Giménez   +3 more
doaj   +1 more source

VNIR-SWIR Spectroscopy, XRD and Traditional Analyses for Pedomorphogeological Assessment in a Tropical Toposequence

AgriEngineering, 2023
Tropical climate conditions favor landscape evolution and the formation of highly weathered soils under different pedogenic processes due to certain differential properties.
Jean J. Novais, Raúl R. Poppiel, Marilusa P. C. Lacerda, José A. M. Demattê   +3 more
doaj   +1 more source

Micromorfologia e gênese de luvissolos e planossolos desenvolvidos de rochas metamórficas no semi-árido brasileiro Micromorphology and genesis of luvisols and planosols developed from metamorphic rocks in the Brazilian semiarid region

Revista Brasileira de Ciência do Solo, 2008
Apesar da ocorrência comum de Luvissolos e Planossolos nas áreas de rochas do Pré-Cambriano na região semi-árida do Brasil, há poucas informações disponíveis sobre a micromorfologia e a gênese desses solos.
Lindomário Barros de Oliveira, Maurício Paulo Ferreira Fontes, Mateus Rosas Ribeiro, João Carlos Ker   +3 more
doaj   +1 more source

Estudo da relação pedomorfogeológica na distribuição de solos com horizontes B textural e B nítico na paisagem de Lavras (MG) Study of the relationship pedo-geomorphological in the soil distribution with argillic horizons in the landscape of Lavras (MG), Brazil

Revista Brasileira de Ciência do Solo, 2008
O entendimento das relações entre geologia, geomorfologia e pedologia auxilia nas atividades de classificação dos solos e na avaliação da distribuição pedológica de uma área. Este trabalho foi motivado pela escassez de estudos dessa natureza na região de
Marilusa Pinto Coelho Lacerda, Jean Joel Gabriel Queménéur, Hélcio Andrade, Helena Maria Ramos Alves, Tatiana Grossi Chquillof Vieira   +4 more
doaj   +1 more source

Structural composition of organic matter in particle-size fractions of soils along a climo-biosequence in the main range of Peninsular Malaysia

Open Geosciences, 2016
Information on structural composition of organic matter (OM) in particle-size fractions of soils along a climo-biosequence is sparse. The objective of this study was to examine structural composition and morphological characteristics of OM in particle ...
Jafarzadeh-Haghighi Amir Hossein, Shamshuddin Jusop, Hamdan Jol, Zainuddin Norhazlin   +3 more
doaj   +1 more source

Magnetoclimatological Record of Late Pleistocene Loess in the Southern Hunshandake Sandy Land, Inner Mongolia: A Threshold Response to the East Asian Summer Monsoon Variations

Geochemistry, Geophysics, Geosystems, 2023
We report the first complete loess–paleosol record spanning the last 130 kyr from the southern extremity of the Hunshandake Sandy Land (HSL) in central‐eastern Mongolia.
Mei Sheng, Kai Jiang, Xisheng Wang, Zhaoxia Jiang, Ling Tang, Zaizheng Zhou   +5 more
doaj   +1 more source

Organic carbon and microbiome in tundra and forest–tundra permafrost soils, southern Yamal, Russia

Polar Research, 2021
Permafrost soils differ significantly from other soils because they serve as a huge reservoir for organic carbon accumulated during the Quaternary Period, which is at risk of being released as the Arctic warms.
Ivan Alekseev, Aleksei Zverev, Evgeny Abakumov   +2 more
doaj   +1 more source