南非夸祖鲁-纳塔尔省用于消费、治疗和化妆品的土壤材料的性质和土著知识

IF 1.4 Q4 SOIL SCIENCE Soil Science Annual Pub Date : 2022-12-12 DOI:10.37501/soilsa/157408
N. Buthelezi‐Dube, P. Muchaonyerwa, J. Hughes, A. Modi, K. Caister
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引用次数: 1

摘要

人种学研究主要集中在农业土壤上,导致在土地分类中对非农业土壤材料的低估。在这项研究中,使用人种志和人种学方法来获取当地知识,深入了解南非夸祖鲁-纳塔尔省两个村庄的非农业土壤及其矿物学和元素组成,这些矿物学和元素组成与食土、治疗和美容目的的应用有关。在每个村庄,对随机选择的50个人进行问卷调查,其中10名知识渊博的志愿者(包括来自两个村庄的8名地质学家)提供了关于选择标准、所需特性以及土壤为何发挥所声称的作用的详细信息。用户根据宏观形态学特征(如颜色、质地和土壤中的位置)和土著知识进行选择。土食物质主要来源于C层。它们以细粒云母、高岭石、石英为主,含有铜、锌、钴、铅等元素。天然色素,如高度风化土壤中的氧化铁,被认为是防晒材料。虽然使用者不了解其机制,但实验室分析表明,土壤材料的矿物学和化学性质起了至关重要的作用。这些土壤的防晒和愈合能力与钛(tio2)和铁(fe2o3)的高含量和高岭石的存在有关。对这些土壤材料进行进一步的评价对于保护和纳入土地分类是必要的。
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Properties and indigenous knowledge of soil materials used for consumption, healing and cosmetics in KwaZulu-Natal, South Africa
Ethnopedological studies focus on agricultural soils resulting in undervaluation of non-agricultural soil materials during land classi fi cation. In this study, ethnographic and ethnopedologic methods were used to obtain local knowledge and gain in-depth understanding of non-agricultural soils, their mineralogical and elemental composition relating to application in geophagy, healing and cosmetic purposes in two villages in KwaZulu-Natal, South Africa. In each village a questionnaire was administered to fi fty randomly selected individuals from which ten knowledgeable volunteers (in-cluding eight geophagists from two villages) provided details on the selection criteria, the desired properties and why the soils performed the claimed role. Users based their selection on macromor-phological features (e.g. colour, texture and location within the soil) and indigenous knowledge. Geophagic materials were mainly sourced from C horizons. They were mostly fi ne-grained with mica, kaolinite and quartz, and elements such as copper (Cu), zinc (Zn), cobalt (Co) and lead (Pb). Natural pigments, such as iron oxides in highly weathered soils, were recognised as sunscreen materials. Although the mechanisms were not understood by users, laboratory analyses showed that the mineralogical and chemical properties of the soil materials played a crucial role. The sunscreen and healing capabilities of these soils were related to high contents of titanium (TiO 2 ) and iron (Fe 2 O 3 ) and the presence of kaolinite. Further appraisal of these soil materials is necessary for their conservation and inclusion in land classi fi cation.
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来源期刊
Soil Science Annual
Soil Science Annual SOIL SCIENCE-
CiteScore
2.50
自引率
6.70%
发文量
0
审稿时长
29 weeks
期刊介绍: Soil Science Annual journal is a continuation of the “Roczniki Gleboznawcze” – the journal of the Polish Society of Soil Science first published in 1950. Soil Science Annual is a quarterly devoted to a broad spectrum of issues relating to the soil environment. From 2012, the journal is published in the open access system by the Sciendo (De Gruyter).
期刊最新文献
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