Rural communities in South Africa harvest a diversity of wild resources from communal woodlands for home consumption and sale. The contribution these resources make to the rural economy has been little recognized, and few studies have attempted to place a monetary value on this use. This paper describes three case studies which aimed to determine the value of savanna resources for the livelihoods of rural households.

Use patterns and values of resources in three villages of differing socioeconomic status were determined using household interviews, PRA techniques and key informant interviews. Questions were designed to establish the types of products used, frequency of use, quantities used, seasonality of use, longevity of durable resources, local prices, and the extent of trade.

All households were procuring at least some woodland resources, with the most frequently used being fuel wood, wood for implements, edible herbs and fruits, grass for brushes, and insects. Patterns of resource use varied across villages. The most “rural” village used the greatest diversity of resources and had the highest number of users for most resources. Gross value of resources consumed per household per year ranged from R2819 to R7238. Total value was highest in the less obviously resource dependent village, primarily the result of higher local prices due to greater extraction costs and a larger market for traded goods. Values are comparable to those contributed by other land-based livelihood activities such as subsistence cultivation and livestock production.

Edible shoots of rattans are traditionally viewed as non timber forest products. However, in Thailand and Lao PDR (Laos) several shoot-bearing species have recently been adopted as crop plants. This new industry is little known outside the region. A description is given of the process of adoption and the characteristics of the species involved, focussing on Calamus tenuis Roxb., the main species planted in Laos. Likely factors triggering domestication and some probable future developments are outlined. It is suggested that other wild species in the region are also likely to be suitable for domestication, and that this example lends weight to arguments in favor of conserving wild species. The implications of market competition between wild-harvested and farm-grown shoots are discussed.

The rhizome of Actaea racemosa L., commonly called black cohosh, is a popular botanical dietary supplement used to treat female health concerns. The rhizomes used in black cohosh products are often collected from the wild. To ensure quality control, it is imperative that plants be correctly identified. This paper examines the use of the DNA fingerprinting technique, AFLP, as an analytical means of identifying A. racemosa from three other closely related sympatric species. To this end, 262 AFLP markers were generated, and one unique fingerprint was identified for A. racemosa, whereas two, six, and eight unique fingerprints were identified for the closely related species A. pachypoda, A. cordifolia, and A. podocarpa, respectively. Two commercial black cohosh products were also subjected to AFLP analysis and shown to contain only A. racemosa. The results of this study suggest that AFLP analysis may offer a useful method for quality control in the botanical dietary supplements industry.

The ungurahua palm (Oenocarpus bataua subsp. bataua) is widely used throughout the Amazon Basin for its thatch, fibers, wood, and edible fruits. The fruits of this species are especially important to indigenous peoples and yield a high quality oil. This study examines the use of this species by the Siona people of the Ecuadorian Amazon in the Cuyabeno Faunistic Reserve. The reproductive phenology, fruit production, and relationship between vegetative characteristics and fruit production is explored here. Fruit production varies greatly from palm to palm with a range of approximately 500–7000 fruits biennially. This amounts to approximately 700 kg/ha every two years. Height, diameter breast height (dbh), and number of leaves on an individual are poor predictors of tree productivity. Reproductive histories of individual palms are examined. The economic potential of this species and the implications of overharvesting are discussed.

The importance of incorporating traditional ecological knowledge (TEK) and traditional resource management (TRM) into resource management plans is increasingly recognized, but little quantitative data exists on the ecological and economic implications of these systems. We quantitatively evaluate the TEK and TRM associated with the nontimber forest species, Aechmea magdalenae, in indigenous Chinanteco communities in Mexico. Two TRM systems for A. magdalenae are described and their effects on growth rates of individuals and populations are measured. Simulations using matrix population models combined with yield experiments reveal that one management system is higher yielding and less costly than the other. Thinning and transplanting are two of the most important management practices that enable populations to withstand higher rates of harvest than those predicted in a management plan that was not based on TRM. Quantitative evaluation of Chinanteco TEK is used to discuss how it may be best combined with science in management plans for nontimber forest species.

Primitive upland cultivars (Oryza sativa L.) were collected in northern Laos. One-hundred-thirty-two cultivars were collected in upland fields at 27 sites. Morphological and physiological traits were recorded. The materials were classified into indica and japonica types based on isozyme genotypes. We classified 106 japonica, 16 indica, two intermediate, and eight heterozygous cultivars. The japonica cultivars were characterized by glabrous hulls and sticky grains. Only two out of 16 indica cultivars were glabrous. The heterozygotes were estimated to be generated by out-crosses between japonica and indica cultivars in upland fields. The intermediate type would be the progeny of such heterozygotes. Higher polymorphism was found at two isozyme loci—Amp1 and Est2—among the japonica cultivars. Genotypic frequencies differed between populations collected from upland fields along roads and along a branch of the Mekong river. Such differences would be caused by different origins of these two populations. In this report, isozymes were indicated as valuable markers to recognize the cultivars to be of independent stock.