Villagers in southern Sumatra collect a number of NTFPs for cash income and subsistence as a supplement to cultivated crops. Deforestation restricts the availability of NTFPs. The aim of the study was, with point of departure in Jernang, to investigate the transition between collection and cultivation of NTFPs. A village survey encompassing 57 households involved in collection, cultivation and/or trade of Jernang in two villages with high NTFP collection was carried out.

The study revealed that more than 20 species or species groups of NTFPs were collected, albeit many of them only occasionally and by few people. In addition to Jernang, tree legume pods (Parkia and Archidendron) were the most collected products. Collection of most NTFPs was gendered. Jernang was almost entirely collected by men, since it implies trekking in forest and climbing. Albeit Jernang collectors found that both quantity and income from collection had declined, very few considered to abandon collection. A combination of economic incentives, poor regulations, and psycho-cultural motives for collection and connectedness to forest lead to intensive harvest. The harvest was less intense for other reported NTFPs, which was explained by shorter harvest season, non-marketable products, bulkiness and poor storability. To compensate for declining wild resources, villagers had started cultivation of some NTFPs, primarily Jernang and legume trees. For Jernang, shortage of planting material and fear of theft of fruits were seen as the greatest barriers to cultivation. The study showed that decreased availability of wild NTFPs, high prices and lack of replacement species may lead to cultivation. Adoptability was restricted by both technical problems (e.g. propagules), competition with domesticated crops, and cultural habits. The study gives an insight into the process of domestication of NTFPs at the interface between collection and cultivation.

苏门答腊南部的村民收集了许多非木材林产品，以赚取现金收入和维持生计，作为种植农作物的补充。砍伐森林限制了NTFP的可用性。该研究的目的是从耶南出发，调查NTFP收集与栽培之间的过渡。进行了一项乡村调查，涵盖了NTFP收集率较高的两个村庄中涉及杰南的收集，种植和/或贸易的57户家庭。

该研究表明，收集了20多种NTFP的物种或物种组，尽管其中许多只是偶尔的，很少有人使用。除了Jernang外，还有豆类树豆荚（Parkia和Archidendron）是收集最多的产品。大多数NTFP的收集都是按性别进行的。捷南（Jernang）几乎完全是由人类收集的，因为这意味着在森林中徒步旅行和攀登。尽管珍南（Jernang）的收藏家发现收藏的数量和收入都在下降，很少有人放弃收藏。经济动机，不良法规以及收集和与森林联系的心理文化动机共同导致密集的采伐。对于其他已报道的非木材林产品，收成不那么旺盛，这可以解释为收割季节短，产品不可销售，体积大和耐贮存性差。为了弥补野生资源的减少，村民们开始种植一些非木材林产品，主要是珍南和豆类树。对于珍南来说 种植材料的短缺和对水果被盗的恐惧被视为最大的种植障碍。研究表明，野生NTFP的供应减少，价格高昂和缺乏替代物种可能导致种植。可采用性受到技术问题（例如繁殖体），与驯养作物的竞争以及文化习性的限制。该研究在收集和栽培之间的界面上深入了解了NTFP的驯化过程。