1. What role does indigenous knowledge play in ethnic minority communities?
Indigenous knowledge plays an essential role in the life and production of ethnic minorities, especially in remote areas. It is characterized by its narrow scope of use and is adapted to the cultural, customs, natural, and socio-economic conditions of particular localities. In Vietnam, ethnic minority communities in mountainous areas often rely on forest resources for their livelihood. Over time, a system of knowledge and experience in exploiting and using forest resources has been formed, including elements of forest protection and biological resources. Active participation of the local community is necessary for effective forest resource management. The Ha Nhi people in Vietnam have a prosperous indigenous knowledge system, particularly in exploiting and using forest resources. This study aims to document the indigenous knowledge of Ha Nhi people in Ka Lang commune, Muong Te district, Lai Chau province, contributing to community-based forest resource management.
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2. How do Ha Nhi people harvest wood and firewood?
Ha Nhi people harvest wood and firewood by using axes to chop down trees, cutting branches, and tops. They sawn trees into boxes or temporarily processed them for transportation. They exploit various tree species for food, branches, and leaves. Firewood is collected from natural forests and abandoned fields, mainly by women. The collection season is during the dry season, and the amount of firewood used daily varies based on the purpose. Overexploitation of timber and firewood contributes to forest resource depletion.
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3. How do local people exploit bamboo shoots in Ka Lang commune?
In Ka Lang commune, local people exploit bitter bamboo shoots in March and April for daily food needs and trading. The harvesting method is simple, involving the use of knives and hoes to dig and chop bamboo shoots. The exploitation of bamboo shoots is not under government control. Bamboo species play a significant role in the lives of local people, with 100% of households using materials from the forest, such as bamboo, cork, and rattan, to make daily use tools like baskets, tables, chairs, and more. The experience of exploiting and using bamboo species includes cutting large, dark green trees and using them for building houses, wicker, water pipes, garden fences, and cooking. Rattan is chosen for its average length of about 80m, thorny petioles, and dark green skin, and is used as a binding material and knitting material for various items.
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4. What are common medicinal plants known by people for their uses?
Common medicinal plants known by people for their uses include Bitter leaf plant (Pa Kha), Tam That (Panax pseudoginseng), and Wild sage root. Bitter leaf plant is used to treat intestinal diseases, alcohol, and high blood pressure. Tam That is a perennial herb with long roots and compound leaves, used for treating bleeding wounds, colds, stomach diseases, and dysentery. Wild sage root is used to stop bleeding of wounds, treat anemia, pallor, emaciation, and infertility. These plants are often used in traditional medicine and have been passed down through generations, but their knowledge and usage are limited due to language barriers and lack of thorough research.
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