Open Access
First-ever complete list of amazonian timber tree species
(Wiley, 2023) Herrera Álvarez, Ximena; Blanco Vaca, Juan Antonio; Phillips, Oliver L.; Guadalupe, Vicente; Ortega-López, Leonardo D.; Steege, Hans ter; Rivas-Torres, Gonzalo; Ciencias; Zientziak
We compiled and presented a dataset (named “MADERA”) for all timber species reported in the Amazon region from all nine South American Amazonian countries. This work was based on official information from every country and on two substantial scientific references. Our final Amazonian timber species dataset contains 1,112 unique species records, which belong to 337 genera and 72 families from the lowland Amazonian rainforest, with associated information related to population, conservation (IUCN Red list categories), and trade status (ITTO/CITES) of each species. The authors of this research expect that the information provided will be useful to strengthen sustainable forest management and scientific research in the Amazonian region.
Embargo
A modern approach to the concept of timber species from an amazonian perspective
(2024) Herrera Álvarez, Ximena; Blanco Vaca, Juan Antonio; Rivas-Torres, Gonzalo; Ciencias; Zientziak; Universidad Pública de Navarra/Nafarroako Unibertsitate Publikoa; Gobierno de Navarra / Nafarroako Gobernua
The present PhD thesis was carried out with the main objective of filling a knowledge gap in scientific literature regarding the Amazonian timber species concept or definition and to generate a preliminary timber species concept or definition using data from the Amazonian countries (Bolivia, Peru, Ecuador, Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil) and long-term data provided by tropical forests monitoring networks such as ForestPlots, ATDN and among others. The main finding of this PhD work was a surprising lack of specific definition of timber species that can be linked to biophysical attributes in tree species. Such lack can be extended into a lack of homogeneity in terminology and taxonomy among national and international organizations relevant to forest management and conservation in the Amazonian region. To fill such gap, data and results of each chapter of this thesis were complementary to each other in the context of a generating the missing timber species concept with the support of measurable variables and terms commonly recognized by relevant forest stakeholders such as scientists, national forests institutions and even international organizations that have responsibilities on this topic since their creation. In conclusion, the results presented here support the suggestion to all the actors in the tropical forest sector to consider an integrative coordination of stakeholder’s perceptions. All efforts should connect each other’s with their knowledge and experience in sustainable forest management and conservation on tropical timber species. This vision may help to have a better understanding of these species, their natural and cultural values, the different ecological services and incomes that tropical forests in general (and Amazonian forests in particular) provide for landowners, timber workers locally, regionally, and international organizations related.
Open Access
MADERA: a standardized pan-amazonian dataset for tropical timber species
(Wiley, 2023) Herrera Álvarez, Ximena; Blanco Vaca, Juan Antonio; Phillips, Oliver L.; Guadalupe, Vicente; Ortega-López, Leonardo D.; Steege, Hans ter; Rivas-Torres, Gonzalo; Ciencias; Zientziak; Institute for Multidisciplinary Research in Applied Biology - IMAB
We compiled and presented a dataset for all timber species reported in the Amazon region from all nine South American Amazonian countries. This was based on official information from every country, as well as from two substantial scientific references. We verified the standard taxonomic names from each individual source, using the Taxonomic Name Resolution Service (TNRS) and considered all Amazonian tree species with diameter at breast height (DBH) ≥10 cm. We also obtained estimates of the current population size for most species from a published approach based on data from 1900 tree inventory plots (1-ha each) distributed across the Amazon region and part from the Amazon Tree Diversity Network (ATDN). We then identified the hyperdominant timber species. In addition, we overlapped our timber species list with data for species that are used for commercial purposes, according to the International Tropical Timber Organization (ITTO), the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the International Union for Conservation of Nature (IUCN) taxa assessment and Red List categories. Finally, we also included IUCN Red List categories based on combined deforestation, and climate change scenarios for these species. Our final Amazonian timber species dataset contains 1112 unique species records, which belong to 337 genera and 72 families from the lowland Amazonian rainforest, with associated information related to population, conservation, and trade status of each species. The authors of this research expect that the information provided will be useful to strengthen the public forestry policies of the Amazon countries, inform ecological studies, as well for forest management purposes. The data are released under the Creative Commons Attribution 4.0 International license.

Herrera Álvarez, Ximena

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