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Responses of 20 Native Tree Species to Reforestation Strategies for Abandoned Farmland in PanamaBackgroundIn the tropics, deforestation often leads to unproductive agriculture and results in degraded grasslands. This study seeks to understand why forests fail to regenerate naturally in these ecosystems. Open access copy available |
Cloning of erect, thornless, non-browsed nitrogen fixing trees of Haiti's principal fuelwood species (Prosopis juliflora)BackgroundProsopis juliflora (bayawon in Creole) is a spiny leguminous tree that is used throughout arid regions of Africa, Asia, and the Caribbean for fuelwood and fodder. Due to its genetic diversity, pod protein and carbohydrate content varies widely, suggesting advantages of clonal reproduction. This Haiti-based study tests exotic and native varieties of Prosopis for growth rates. Open access copy available |
Linking Multiple-Level Tree Traits with Biomass Accumulation in Native Tree Species used for Reforestation in PanamabackgroundThis research presents the links between biomass accumulation, plant traits, and functional groups for five native species in abandoned pasture of central Panama. Open access copy available |
Mangrove reforestation in Vietnam: the effect of sediment physicochemical properties on nutrient cyclingBackgroundOpen access copy available |
Survival and Growth of Under-Planted Trees: A Meta-Analysis Across four BiomesbackgroundThis article is a meta-analysis synthesizing the results of survival and growth of under-planted trees in forests in tropical, temperate coastal, boreal, and temperate deciduous forests. Additionally, the survival and growth of these underplanted trees are evaluated according to the silvicultural treatment affecting density of the overstory: uncut, dense shelterwood, intermediate density shelterwood, light density shelterwood, clear cut. Open access copy available |
Root architecture and allocation patterns of eight native tropical species with different successional status used in open-grown mixed plantations in PanamaBackgroundWhile an increasing number of native tropical trees are under study for reforestation and commercial plantations, the majority of studies on trees in the tropics have concentrated on the aboveground aspects of tree growth. This study investigates biomass allocation and root architecture of eight tropical species with different successional status. Open access copy available |
Selecting framework tree species for restoring seasonally dry tropical forests in northern Thailand based on field performanceBackgroundFramework tree species are indigenous forest tree species, planted to complement and accelerate natural regeneration of forest ecosystems and encourage biodiversity recovery, on degraded sites. This study tests the extent to which 37 native forest tree species might act as framework tree species to accelerate recovery of evergreen, seasonal forest in a degraded upper watershed in Doi Suthep-Pui National Park in northern Thailand. Open access copy available |
Seedling survival and growth of native tree species in pastures: Implications for dry tropical forest rehabilitation in central PanamaBackgroundEnrichment planting of tree seedlings is a method for accelerating reforestation of pastures in Central America. Persistent presence of cattle can be an impediment to the survival of unprotected seedlings, although cattle may also be a source of nutrients. Grasses can also cause competitive pressure on newly planted seedlings. Open access copy available |
Conifer Conservation and Reforestation ProjectBACKGROUNDOpen access copy available |
Enriching the Tropical Rain Forest with Native Fruit Trees: A Biological and Economic Analysis in Los Tuxtlas (Veracruz, Mexico)backgroundThis doctoral thesis compares the net present value of planting three native tree species in comparison with cattle pasture in Los Tuxtlas, Mexico. Open access copy available |
Performance of 45 Native Tree Species on Degraded Lands in SingaporebackgroundThis paper evaluates research on the reforestation potential of 45 native tree species in Singapore, with a specific focus on identifying species that can quickly form a closed canopy. Open access copy available |
Can Native Tree Species Plantations in Panama Compete with Teak Plantations? An Economic EstimationbackgroundPanama has high rates of primary forest conversion, resulting in depleted timber resources. In response, the timber plantation industry is growing to meet demand, often with non-native species. This study compares the economic feasibility of using native tree species vs non-native species for plantation forestry. Open access copy available |
Seed germination of Loxopterygium guasango, a threatened tree of coastal Northwestern South AmericabackgroundLoxopterygium guasango is a tree native to Ecuador with threatened status as of 1993, despite its durable wood, history of timber use, and potential use in reforestation. This study reports on seed germination, a potential cause of its low regeneration rates. Open access copy available |
Seedling survivorship, growth, and response to disturbance in Belizean mangalBackgroundSpecies zonation patterns across tidal gradients in mangrove forests are formed by successful seedling establishment and maintained by replacement of adults by conspecific seedlings. These two processes have rarely been examined experimentally in neotropical mangrove. This study examines survivorship and growth of seedlings of Rhizopora mangle and Avicennia germinans across a tidal gradient in Belize. Open access copy available |
Restoration of former grazing lands in the highlands of Laos using direct seeding of four native tree species: Seedling establishment and growth performanceBackgroundDirect seeding has recently regained favor as a lower-cost alternative to planting seedlings for restoration of degraded or abandoned sites. This study reports the establishment and growth performance of 2 pioneer (Pinus kesiya and Schima wallichii) and 2 later-successional (Keteleeria everlyniana and Quercus serrata) native trees broadcasted or buried on former grazing lands in Laos. Open access copy available |
SPVS Reforestation in the Coastal Atlantic Forest, BrazilOpen access copy available |
Forest Plantations on Imperata Grasslands in Indonesia: Establishment, Silviculture, and Utilization PotentialbackgroundThis dissertation presents results from multiple studies of reforestation on areas dominated by Imperata cylindrica grass in South Kalimantan, Indonesia. Open access copy available |
Growth Increments of Indigenous Species Planted in Secondary Forest AreaBackgroundAppropriate species selection for reforestation of degraded lands in the tropics makes a great difference in survival rates and success in establishing secondary forest. Indigenous species used in reforestation are not always able to survive in their native landscapes based on the degree of site degradation. This paper reports on growth increments of five tree species indigenous to Malaysia five years after planting. Open access copy available |
Rehabilitation of Tropical Rainforests Based on Indigenous Species for Degraded Areas in Sarawak, MalaysiabackgroundThis study describes the success of native species planted in areas of abandoned shifting cultivation in Sarawak, Malaysia. Open access copy available |
Rehabilitation of Degraded Forest with Shorea leprosula and S. selanica CuttingsbackgroundThis article describes limits to dipterocarp-based reforestation due to irregular flowering pattern, short seed storage period, and uncertain planting techniques in Southeast Asia. In West Java, Indonesia, the authors test the effectiveness of vegetative propagation for two species of fast-growing dipterocarps: Shorea leprosula and Shorea selanica. Open access copy available |