This study aimed at quantifying the accumulation of litter in formative compartments (bark, branches, leaves, and miscellaneous) above the soil in a 23-year-old Eucalyptus grandis plantation, located on the campus of the Universidade Federal de Santa Maria, Rio Grande do Sul. We installed four parallel plots on the settlement lines, measuring 3.0 m × 6.0 m. In order for litter collection, we utilized a 25 cm × 25 cm iron frame and randomly collected 15 samples of each plot, totaling 60 samples. The burlap consisted predominantly of branches (39%) and miscellaneous (29%) fraction, followed by leaves (23%) and bark (6%). Such accumulation may be associated with the age of the Eucalyptus grandis, the density of the forest, and the stability achieved by the plantation.The analyzed burlap consisted primarily of branches (39%) and the miscellaneous fraction (29%). This accumulation may be related to the age of the Eucalyptus grandis (23 years), forest density, and the stability reached by the settlement.The leaf fraction was minimally representative (23%) in the accumulated litter. This fact may have occurred due to the period of collection, which was performed at the end of winter, in which leaf fall is reduced. The bark fraction was also poorly representative, contributing only with 6% in the accumulation of burlap.
Brazil has a vast diversity of natural resources, which are important in the economic and social context of many families, identified through non-wood forest products (NWFP), among them chestnuts, in the north, and pine nut, in the south of the country. Thus, the objective of the work was to analyze the productive chain of the Brazilian chestnuts in order to establish and identify potentialities existing in its productive chain that can be used to promote the pine nut productive chain in the social, economic and environmental spheres. The study was carried out through the application of an open questionnaire, having as target audience representatives linked to the commercialization and research of both forest products. As a main result, it is evident that the pine nut has an incomplete production chain, presenting itself as a product with secondary representation in the formation of farmers' income, which contributes to the structure of pine nut commercialization being incipient. In addition, the lack of social organization for extractivism is responsible for the non-consolidation of the chain, coupled with the incipient process of industrialization and processing of the pine nut. which limits the added value of the product. There is a need for greater interest and attention on the part of the government with actions involving entities that can assist in the most different spheres, as well as providing technical assistance, research, and financial support.
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