Derio Antonio Jiménez LópezEl Colegio de la Frontera Sur | ECOSUR · Departamento de Conservación de la Biodiversidad
Derio Antonio Jiménez López
Biologist
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39
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Introduction
Exploring patterns and processes underlying species distributions at different scales in space and time
Publications
Publications (39)
Aim
Endemic species, characterised by limited geographic ranges, face a high risk of extinction. The neotropical region harbours diverse ecosystems and a substantial number of endemic species, thus identifying areas of high endemism is crucial for protecting unique and threatened species and ecosystems. Vascular epiphytes—nonparasitic plants that g...
The Neotropical realm hosts some of the Earth's most species-rich biodiversity hotspots, with vascular epiphytes significantly contributing to this diversity, regionally accounting for up to 39% of the vascular flora. However, many regions of the Neotropics where epi-phytic species of restricted distribution are reported coincide with threatened ec...
Understanding the mechanisms driving community assembly has been a major focus of ecological research for nearly a century, yet little is known about these mechanisms in commensal communities, particularly with respect to their historical/evolutionary components. Here, we use a large-scale dataset of 4,440 vascular plant species to explore the rela...
Background: Mesoamerica is one of the most important biodiversity hotspots on the planet. Despite significant efforts made over two centuries to contribute to the floristic knowledge of this region, our understanding of its flora is still scattered and uneven.
Questions: What is the magnitude of the vascular plant species richness in the Usumacint...
The Neotropical realm hosts some of the Earth’s most species-rich biodiversity hotspots, with vascular epiphytes significantly contributing to this diversity. However, many regions of the Neotropics where epiphytic species of restricted distribution are reported coincide with threatened ecosystems, such as the tropical montane cloud forest. Moreove...
Question
Understanding the specific distribution patterns of vascular plants on different spatial scales is central in ecology and conservation. We evaluate distribution patterns of five plant life-forms (climbers, epiphytes, herbs, shrubs, and trees) along the elevation gradient and geographic space of a mountain system, analyzing climate, topogr...
Mesoamerican mountains are important centers of endemism and diversity of epiphytes. The Sierra Madre of Chiapas in southeastern Mexico is a mountainous region of great ecological interest due to its high biological richness. We present the first checklist of epiphytes for this region based on a compilation of various information sources. In additi...
Mesoamerican mountains are important centers of endemism and diversity of vascular epiphytes. The Sierra Madre of Chiapas in southeastern Mexico is a mountainous region of great ecological interest due to its high biological richness. We present the first checklist of epiphytes for this region based on a compilation of various information sources.
Unraveling the factors that determine variation of diversity in tropical mountain systems is a topic for debate in plant ecology. This is especially true in areas where topography is complex due to volcano elevational gradients and where forests are vulnerable to human activity. In this study we used a set of climatic (temperature, rainfall, and ra...
The Usumacinta River Basin is the scenario for multiple stories. From nature's point of view, it stands out for hosting extraordinary biodiversity manifested in the complexity of its plant cover. The study of vegetation is a basic tool for designing strategies aimed to guarantee biological conservation from a sustainable standpoint. Hence, it is pa...
The provision of valuable ecosystem services by tropical swamp forests (mainly carbon sequestration and storage in biomass and soil) explains their ecological importance. Current efforts toward the conservation of these ecosystems, however, face strong limitations as their spatial variation is largely unknown, particularly in regions where they occ...
En México se han registrado 1200 especies de orquídeas y Chiapas es el estado más diverso con 723 especies. El Parque Nacional Lagunas de Montebello (PNLM) y su zona de influencia se encuentra dentro de un área de mayor riqueza de especies de Orchidaceae en el estado. Con la ayuda del “Programa Conservación de Especies en Riesgo” de la CONANP, se r...
Background and aims-In the tropics, some studies have found that the richness of epiphytic ferns present a peak at mountain mid-elevations. However, it is not well understood how transitions from tropical to subtropical conditions affect this peak, and even less is known about beta diversity of epiphytic ferns. Thus, the objective is to understand...
Antecedentes:
La Reserva de la Biosfera Pantanos de Centla (RBPC) es considerada uno de los humedales más importantes de Mesoamérica. El objetivo principal de este estudio fue actualizar el listado de plantas vasculares con base en la revisión e integración de fuentes de información.
Preguntas:
¿Cuál es la riqueza actual de plantas vasculares nati...
Vascular epiphytes are a diverse and conspicuous component of biodiversity in tropical and subtropical forests. Still, the patterns and drivers of epiphyte assemblages are poorly studied in comparison to soil‐rooted plants. Our current knowledge about diversity patterns of epiphytes mainly stems from local studies or floristic inventories, but this...
Background:
Some regions of Mexico have been relatively well explored floristically and estimates of the vascular plant richness they contain have been obtained. However, there are still regions that require effort to obtain the most appropriate lists of flora possible that consider both systemization of the information and that benefit from recent...
Antecedentes:
La comercialización de orquídeas es una práctica común en los mercados mexicanos, especialmente en regiones de alta biodiversidad.
Preguntas y/o hipótesis:
¿Cuántas especies de orquídeas se vendieron en el mercado de Las Margaritas? ¿De dónde se extrajeron? ¿Su disponibilidad (riqueza) mostró una variación temporal a lo largo de un a...
The orchid trade is an informal activity in Mexico traditionally performed by indigenous people; however, this activity, based on the extraction of wild specimens without a management plan, is sanctioned by environmental laws. Few studies have documented the extraction volumes for illicitly traded orchids, the status of the populations affected by...
We studied and quantified the harvest and use of epiphytes in the Día de Muertos (Day of the Dead) festivity in two indigenous communities of the Tojolabal ethnic group in Las Margaritas municipality, Chiapas. More than 9000 individuals of five epiphyte species (bromeliads and orchids) were used for grave decoration in the campos santos (henceforth...
This study presents an updated checklist of vascular epiphytes found in the highly-conserved mangrove forest surrounding El Cometa Lagoon inside Pantanos de Centla Biosphere Reserve, Mexico. In order to perform this task, 25 sampling units were established at the study site and were visited at two stages, once in 2014 and next in 2016. Inside each...
This study presents an updated checklist of vascular epiphytes found in the highly-conserved mangrove forest surrounding El Cometa Lagoon inside Pantanos de Centla Biosphere Reserve, Mexico. In order to perform this task, 25 sampling units were established at the study site and were visited at two stages, once in 2014 and next in 2016. Inside each...
Se presenta el inventario de orquídeas del ejido La Esperanza, en Las Margaritas, Chiapas, México. Se realizaron salidas de campo entre 2013 y 2015. Se registraron 46 especies de orquídeas en 34 géneros. Tres especies se encuentran en alguna categoría de riesgo dentro de la legislación mexicana (NOM-059-SEMARNAT-2010). Esta región alberga el 6.3% d...
El género neotropical Lepanthes es uno de los grupos más grandes dentro de Orchidaceae. Aquí se reporta por primera vez la presencia de Lepanthes fratercula en la flora de México. Además, se clarifica el estatus taxonómico de L. quetzalensis, considerándola como una especie diferente de L. scopula, en la cual había sido incluida como su sinónimo. T...
Antecedentes y Objetivos: Las epífitas vasculares son elementos poco comunes en manglares debido a que la salinidad del agua de mar impone condiciones extremas que dificultan su establecimiento. En el sur de México se han realizado estudios sobre las relaciones epífitas-forófito, principalmente en bosques montanos, pero hay pocos trabajos enfocados...
Presentamos un listado de orquídeas para la laguna El Cometa, una zona de mangal de gran importancia biológica y económica pero que ha sido escasamente estudiada. El objetivo de este trabajo fue contribuir al conocimiento de la riqueza de orquídeas en esta región de Tabasco, México. El listado se elaboró a partir de trabajo de campo durante salidas...
Octubre 2017 Artículo de investigación 125 Relación entre variables del forófito y la riqueza de epífitas vasculares en los Pantanos de Centla, Tabasco, México Relationship between phorophyte variables and vascular epiphyte richness in the Pantanos de Centla, Tabasco, Mexico. 2017. Relación en-tre variables del forófito y la riqueza de epífitas vas...
En México, el uso ceremonial de epífitas vasculares se ha preservado a través del tiempo, particularmente en Chiapas donde su uso es extenso. Para obtener información sobre esta práctica, en dos años se recabó información para reconocer el uso ceremonial de bromelias epifitas en la fiesta grande de Las Margaritas, Chiapas, que se lleva a cabo del 1...
Durante un estudio de la distribución de la riqueza de epífitas en un gradiente altitudinal en la Sierra Madre de Chiapas, se recolectaron individuos del género Lepanthes en las partes altas del polígono 1 de la Reserva de la Biosfera El Triunfo (REBITRI). Las características del ejemplar coinciden con la especie Lepanthes fratercula Luer & Béhar....
Los patrones de distribución altitudinal de epífitas vasculares son de tipo lineal y unimodal. Los cuales están determinados por factores climáticos, ecológicos y de procesos de mayor envergadura (por ejemplo, de especiación y geológicos). En este estudio se evaluó la distribución de la riqueza de epifitas en un gradiente altitudinal en la Sierra M...
En México, el tráfico y comercio ilegal de plantas vivas, ha ocasionado un impacto negativo en las poblaciones de diversas especies silvestres, debido al saqueo desmedido. Entre los grupos de plantas más afectadas por esta actividad, se encuentran las orquídeas, las cuales presentan problemas a nivel poblacional por la pérdida de hábitat y la extra...
Las epífitas vasculares son poco comunes en manglares, no sólo en México y el mundo, debido a que la salinidad del agua de mar impone condiciones extremas para su establecimiento. En el sureste mexicano se han estudiado las relaciones epífitas-forofito principalmente en bosques montanos, pero hay pocos trabajos enfocados en los manglares. En este e...
