Mailyn A. Gonzalez

Mailyn A. Gonzalez
Instituto de Investigación de Recursos Biológicos Alexander von Humboldt · Ciencias de la Biodiversidad / Laboratorio de genética de la conservación

PhD

About

57
Publications
47,563
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1,097
Citations
Citations since 2017
38 Research Items
720 Citations
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2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150

Publications

Publications (57)
Article
Full-text available
In this response, we address comments and clarify the rationale behind the choice of hypotheses aimed to describe the Quercus humboldtii phylogeography in the Colombian Andes. Finally, we explain our disagreement with the conclusions of a previous critique, since these are not necessarily adequate under the implemented population genetics approach.
Article
Full-text available
Solanum is the largest and most diverse genus of the Solanaceae family. The genus includes around 1,400 species, and almost a third belong to subgenus Leptostemonum. The species in this subgenus are commonly known as the spiny solanums, and include economically important species such as brinjal eggplant, naranjilla/lulo, and cocona. This study inve...
Article
Full-text available
At the start of the UN Decade of Ecosystem Restoration (2021 – 2030), the restoration of degraded ecosystems is more than ever a global priority. Tree planting will make up a large share of the ambitious restoration commitments made by countries around the world, but careful planning is needed to select species and seed sources that are suitably ad...
Article
Full-text available
Introduction: Neotropical seasonally dry forest (NSDF) climatic constraints increased endemism, and phylogenetic niche conservatism in species that are restricted to this biome. NSDF have a large number of endemic Capparaceae taxa, but it is unknown if phylogenetic niche conservatism has played a role in this pattern. Objective: We carried out an...
Article
Identification of individuals in the absence of reproductive traits or in juvenile stages can be difficult. Incorrect identification will result in inaccurate biodiversity inventories that are an impediment to effective conservation management. Here, we present data in which we argue that the generation of DNA barcode reference libraries using DNA...
Article
Full-text available
The climatic and geological changes that occurred during the Quaternary, particularly the fluctuations during the glacial and interglacial periods of the Pleistocene, shaped the population demography and geographic distribution of many species. These processes have been studied in several groups of organisms in the Northern Hemisphere, but their in...
Article
Understanding how species diversify and evolve in species-rich areas like the lowland rain forest in the Neotropics is critical for conservation in times of unprecedented threats. To determine how the Andean uplift, the formation of the Panama land bridge, and Pleistocene climatic fluctuations affected dispersal and diversification in the Sapotacea...
Article
Tree-based forest landscape restoration interventions require knowledge on the suitability and origin of seed sources and planting material. A common recommendation is to select locally sourced material based on the assumption that it is well adapted to local environmental conditions and to avoid introduction of maladapted genes. However, faced wit...
Preprint
Full-text available
The latitudinal diversity gradient (LDG) is widely attributed to be the result of factors such as time, area, and energy. Although these factors explain most of the variation in lowlands, they fail in mountainous systems, which are biodiversity hotspots that may contribute meaningfully to the strength of the pattern following different evolutionary...
Article
A new genus, Lintersemina (Condamineeae, Rubiaceae), with a single species, L. chucuriensis is here described, based on recent collections made during a biological exploration to the Magdalena Medio Region of Santander Department, central portion of Colombia. This region is of high interest for both the high endemicity of its flora and fauna and th...
Article
Full-text available
Tropical dry forests (TDF) underpin the wellbeing of millions, mostly rural populations; yet have suffered from severe clearing in Colombia, triggering cascading effects such as desertification. By engaging scientists, society, and institutions in the establishment of platforms for monitoring biodiversity and ecosystem functioning, crucial knowledg...
Article
In the Neotropics, the distribution of Capparaceae has been historically associated with seasonally dry forest (NSDF), but recent taxonomic studies have questioned this assumption. Given the environmental co-occurrence of species and the need to understand their relationships with the ecosystem, we use ecological niche modelling and numerical ecolo...
Chapter
The rainforests of the Neotropics shelter a vast diversity of plant, animal and microscopic species that provide critical ecosystem goods and services for both local and worldwide populations. These environments face a major crisis due to increased deforestation, pollution, and climate change, emphasizing the need for more effective conservation ef...
Article
Full-text available
Albizia saman is a multipurpose tree species of seasonally dry tropical forests (SDTFs) of Mesoamerica and northern South America typically cultivated in silvopastoral and other agroforestry systems around the world, a trend that is bound to increase in light of multimillion hectare commitments for forest and landscape restoration. The effective co...
Book
The rainforests of the Neotropics shelter a vast diversity of plant, animal and microscopic species that provide critical ecosystem goods and services for both local and worldwide populations. These environments face a major crisis due to increased deforestation, pollution, and climate change, emphasizing the need for more effective conservation ef...
Article
Full-text available
A taxonomic synopsis of Capparaceae distributed in Colombia was carried out reviewing 1,800 botanical specimens from 13 herbaria in Colombia, five international institutions and close to 100 field collected specimens. We found 32 species and ten genera according to the last taxonomic modification proposed for this family. From these species, we ree...
Article
Full-text available
El Bosque Seco Tropical (bs-T) es uno de los ecosistemas más degradados de Colombia requiriendo acciones urgentes para la conservación de sus relictos remanentes y la restauración de áreas degradadas. La diversidad genética es una herramienta fundamental para identificar áreas prioritarias de conservación in situ, y evaluar la calidad de las poblac...
Article
Full-text available
Species traits provide a strong link between an organism's fitness and processes at community and ecosystem levels. However, such data remains scarce for amphibians in the neotropics. Colombia is the country with the highest number of threatened amphibians and the second greatest number of amphibian species worldwide. We present a data set containi...
Article
Seasonally dry tropical forests (SDTFs) are one of the most degraded vegetation types worldwide and in Colombia less than 10% of the original cover remains. This calls for urgent conservation measures and restoration efforts. Understanding the genetic diversity and structure of tree species is crucial to inform not only conservation measures, but a...
Article
Full-text available
Colombia is the country with the highest bird diversity in the world. Despite active research in ornithology, compelling morphological information of most bird species is still sparse. However, morphological information is the baseline to understand how species respond to environmental variation and how ecosystems respond to species loss. As part o...
Article
Full-text available
A new species of Synergus Hartig, 1840 is described from Colombia, being the second species of this genus known from this country. It is the first Synergus species with the radial cell open known from South America and the first inquiline related to galls induced by Zapatella Pujade-Villar & Melika (Hymenoptera: Cynipidae: Cynipini). The main morph...
Article
Full-text available
•• Forest restoration projects can derive great benefit from integrating climate modeling, functional trait analysis and genetic considerations in the selection of appropriate tree species and sources of forest reproductive material, for their critical importance for the delivery of ecosystem services and the viability and adaptive capacity of rest...
Article
Full-text available
Enterolobium cyclocarpum is a characteristic legume tree species of seasonally dry tropical forests (SDTFs) of Mesoamerica and northern South America typically used in silvopastoral and agroforestry systems. Remaining populations of E. cyclocarpum in Colombia are severely fragmented owing to the highly degraded state of SDTF in the country, posing...
Article
Full-text available
Colombia is the country with the largest number of bird species worldwide, yet its avifauna is seriously threatened by habitat degradation and poaching. We built a DNA barcode library of nearly half of the bird species listed in the CITES appendices for Colombia, thereby constructing a species identification reference that will help in global effor...
Article
Full-text available
Background Comprehensive biotic surveys, or ‘all taxon biodiversity inventories’ (ATBI), have traditionally been limited in scale or scope due to the complications surrounding specimen sorting and species identification. To circumvent these issues, several ATBI projects have successfully integrated DNA barcoding into their identification procedures...
Article
Full-text available
1. Niche theory proposes that species differences underlie both coexistence within communities and the differentiation in species composition among communities via limiting similarity and environmental filtering. However, it has been difficult to extend niche theory to species-rich communities because of the empirical challenge of quantifying niche...
Article
Full-text available
El término -Código de Barras de ADN- se basa en el uso de una región de ADN estandarizada, la cual sirve como una etiqueta para la identificación rápida y de especies. El propósito de un sistema de identificación más eficaz es facilitar la conservación, conocimiento y uso sustentable de la biodiversidad. Después de ocho años de discusión y producci...
Article
Summary1. As trees in a given cohort progress through ontogeny, many individuals die. This risk of mortality is unevenly distributed across species because of many processes such as habitat filtering, interspecific competition and negative density dependence. Here, we predict and test the patterns that such ecological processes should inscribe on b...
Data
Test of the DNA markers performance in retrieving the correct species. The option ‘best close match’ of TaxonDNA was used for the eight markers. The ranking of the markers was done according to the rate of correct species assignment in the ‘best close match’ test. (0.04 MB DOC)
Data
Pairwise comparison of the markers to the samples for which both sequences are available. Reported is the percentage of best close match as reported in TaxonDNA for the two markers independently, and also for the combined markers. The rate of correct assignment was less than 50% in most of the cases, and combining two markers did not improve much t...
Data
Additional information on sequence clustering methods (0.05 MB DOC)
Data
List of the sampled individuals with taxonomic identification and accession code. In the last eight columns, the GenBank accession numbers are reported. (0.15 MB XLS)
Data
Primers and PCR conditions for the eight markers tested in the study (0.06 MB DOC)
Data
Types of error in the parametric assignment of sequences to MOTUs. Left panel: Error made during the construction of species-level MOTUs. Two types of errors are reported as a function of sequence divergence: splitting of valid taxa into two or more clusters (splitting fraction: squares), and lumping of two or more valid taxa into the same cluster...
Article
Full-text available
Large-scale plant diversity inventories are critical to develop informed conservation strategies. However, the workload required for classic taxonomic surveys remains high and is particularly problematic for megadiverse tropical forests. Based on a comprehensive census of all trees in two hectares of a tropical forest in French Guiana, we examined...
Article
Summary • Theoretical models predict that large-seeded species should germinate more rapidly than small-seeded species, since large seeds are more likely to have higher post-dispersal seed predation than small seeds. A prompt germination strategy would therefore enable large seeds to reduce risks of mortality. • To assess this predicted relationshi...
Article
Ma thèse s'inscrit dans le besoin global de comprendre l'organisation de la diversité végétale en foret tropicale et d'apporter des outils pratiques à son étude. Les travaux présentés dans cette thèse ont été réalisés sur les sites des Nouragues & Paracou en Guyane Française. Un des objectifs de cette thèse a été de tester la fiabilité des séquence...

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Projects

Projects (3)
Project
At the dawn of the UN Decade of Restoration, tree-based restoration of degraded areas has become a global priority. An important, but often overlooked, aspect of ensuring the long-term success of restoration projects relates to the selection of appropriate species and seed sources, at least for active restoration activities that involve tree planting. As a minimum condition, the selected planting material should (i) correspond to the restoration objectives, (ii) be well adapted to survive and thrive under the degraded site conditions, and (iii) have sufficient genetic diversity to ensure the potential to adapt to changing conditions in the future. Here we present a scalable map-based online tool available at www.diversityforrestoration.org, which is intended to assist restoration practitioners with the identification of appropriate tree species and seed sources. Originally developed for the tropical dry forests of Colombia, the tool has now been outscaled to the tropical dry forests of northwestern Peru and southern Ecuador, and further outscaling to Burkina Faso and Cameroon is underway. Decision making combines information on (i) suitability modeling under current and future climate conditions; (ii) restoration objectives, including agroforestry and commercial uses; (iii) locally prevailing stress conditions; (iv) functional trait diversity of tree species; and (v) the genetic quality of seed sources. Acknowledging that restoration has different, audience-specific meanings and interpretations, our tool is intended to support the decision making of anyone interested in planting trees for whichever purpose.
Project
El género Grundulus posee tres especies G. bogotensis, distribuída en el altiplano Cundiboyacense; G. cochae, registrada en la laguna de La Cocha y G. quitoensis, distribuida en el Lago El Voladero (Ecuador). Trabajos recientes en morfología, e información relacionada al trasplante de individuos de G. bogotensis en la región del la Laguna de la Cocha, ponen en duda la validez de G. cochae, por lo cual el estatus taxonómico de las especies y sus relaciones filogenéticas debe ser revaluado. Objetivos: Establecer el estado de las poblaciones de G. bogotensis en su área natural de distribución; 2. Validar el estatus taxonómico de G. cochae y G. quitoensis; 3. Proveer hipótesis de parentesco de las especies del género Grundulus; 4. Proveer hipótesis sobre las relaciones filogenéticas del género Grundulus en la familia Characidae.