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94 resultados encontrados para: TEMA: Reserva de la Biosfera Pantanos de Centla (Tabasco, México)
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1.
Artículo
La capacidad de adaptación en la Reserva de la Biosfera Pantanos de Centla, México
Morales Rodríguez, José Roberto (autor) ; Ortega Argueta, Alejandro (autor) ; Ramos Muñoz, Dora Elia (autora) ; Gurri García, Francisco D. (autor) ;
Disponible en línea
Contenido en: Economía, Sociedad y Territorio Volumen XVIII, número 59 (2019), p. 1119-1153 ISSN: 1405-8421
PDF
Resumen en: Español | Inglés |
Resumen en español

Las áreas naturales protegidas (ANP), por medio de su gestión, pueden funcionar como territorios que faciliten la capacidad de adaptación (CA) de sus habitantes. En este estudio se evaluó la influencia de un programa gubernamental ambiental (Procodes) sobre la CA de grupos comunitarios en un ANP. Para ello, se realizó una revisión documental del programa (2008-2016) y una encuesta de percepción en 2016 que comprende dimensiones social y ecológica. Acorde a los resultados, el fortalecimiento de la CA se relaciona con la legitimidad de los mecanismos de participación, la asignación de subsidios y el horizonte de planificación de proyectos productivos.

Resumen en inglés

Protected areas (PA), through management, can be territories that facilitate the strengthening of inhabitants’ adaptive capacity (AC). This work evaluated the influence of a governmental environmental program (Procodes) on the AC of community groups into PA. To this end, a documentary review (2008-2016) and a perception survey in 2016 were conducted that included ecological and social dimensions. According to the results, the strengthening of AC is related with legitimacy of participation mechanisms, the assignation of subsidies and the planning horizon of productive projects.


2.
- Artículo con arbitraje
*Solicítelo con su bibliotecario/a
Dam implications on salt-water intrusion and land use within a tropical estuarine environment of the Gulf of Mexico
Alcérreca Huerta, Juan Carlos (autor) ; Callejas Jiménez, M. E. (autor) ; Carrillo Bibriezca, Laura Elena (autor) ; Castillo, M. M. (autor) ;
Contenido en: Science of the Total Environment Vol. 652 (February 2019), p. 1102-1112 ISSN: 1879-1026
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

Estuaries are highly productive ecosystems, defined by salt-freshwater exchanges that are significantly altered by changes upstream and in adjacent coastal areas. Tropical estuaries are characterized by the periodic advance and retreat of saline intrusion, depending on seasonality, episodic river flows and flooding events. Salt-water intrusion due to the estuarine dynamics might be affected by dam systems, which could modify the hydrological regime of the estuary in relation to other stressors, such as land use changes. For this purpose, field measurements of salinity, temperature, river-discharge and flow velocities were conducted over a year to analyze the current hydrological regime in the upper estuary of the Grijalva River in the southern Gulf of Mexico, part of the Biosphere Reserve “Pantanos de Centla” one of the most biodiverse areas in the world. Analysis of land use and vegetation cover was performed. Historical implications of the hydrological performance of the four-dam system (1957 to 2014) are presented, together with the upstream-induced changes (i.e. discharge and seasonal water volumes variations): before, between and after the full operation of the dam system.

A general loss of seasonality in the river discharge was identified (1974–1987), when critical mean annual water discharges were registered (Qmean from 263.56 to 126.49 m³/s). Chronological changes in the estuary and in the surrounding area due to the introduction of large extensions of cultivated grassland (~1020 km²), reduction in mangrove cover (~223 km²) and tular (~1340 km²) were noticed. These modifications mostly occurred before conservation strategies were implemented, such as the designation of the Biosphere Reserve (1992). This study contributes to a better understanding of the response of estuarine systems to anthropic perturbations and the development of long-term management plans that could take into account climate change and the increase of hydropower development.


3.
- Capítulo de libro sin arbitraje
Estudio de caso: importancia de las zonas estuarinas de la Reserva de la Biosfera Pantanos de Centla para la conservación de la biodiversidad de peces
Mendoza Carranza, Manuel (autor) ; Arévalo Frías, Wendi del Carmen (autora) ; Sepúlveda Lozada, Alejandra (autora) ;
Contenido en: La biodiversidad en Tabasco. Estudio de estado / coordinación y seguimiento general: Andrea Cruz Angón, Jorge Cruz Medina, Jessica Valero Padilla, Flor Paulina Rodríguez Reynaga, Erika Daniela Melgarejo Distrito Federal, México : Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, 2019 Vol. III, página 206-211 ISBN:978-6078570225 (Vol. III)
Bibliotecas: Villahermosa
Cerrar
SIBE Villahermosa
37086-10 (Disponible)
Disponibles para prestamo: 1

4.
- Capítulo de libro con arbitraje
*Solicítelo con su bibliotecario/a
Biodiversity conservation in the Pantanos de Centla Biosphere Reserve: ecological and socioeconomic threats
Barba Macías, Everardo (autor) ; Mesa Jurado, María Azahara (autora) ; Espinoza Tenorio, Alejandro (autora) ; Ortega Argueta, Alejandro (autora) ;
Contenido en: Mexican natural resources management and biodiversity conservation: recent case studies / Alfredo Ortega-Rubio, editor Cham, Switzerland: Springer International Publishing AG. Springer Nature, 2018 página 455-477 ISBN:978-3-319-90584-6
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

Natural resources and their biological richness are threatened by the chain of processes and activities derived from population growth and transformation activities. NPAs are not free of these changes. The Pantanos de Centla Biosphere Reserve (RBPC, by its Spanish acronym), with its surface area and ecological characteristics, is one of the most important wetland complexes of Mesoamerica. However, several socio-productive activities that take place in it affect the ecosystem’s integrity. A literature review was carried out to establish the degree of research on the RBPC. Following a conceptual model of threats in natural protected areas, pressures were described considering natural processes, inadequate management of threats and secondary effects. Nine categories were established: (1) recreational use and management, (2) management of crops and grazing, (3) management of fires, (4) introduction of exotic species, (5) diversion and reservoirs (waterworks), (6) emission of pollutants, (7) climate change, (8) management of adjacent lands and (9) other threats related to public and social policies.


5.
Tesis - Licenciatura
*En proceso técnico. Solicítelo con la bibliotecaria de SIBE-Villahermosa
Dinámica trófica de la laguna El Guanal mediante el uso de isótopos estables de carbono (δ13C) y nitrógeno (δ15N) en el sureste del Golfo de México / José Rodríguez de la Cruz
Rodríguez de la Cruz, José ; García Pech, Javier (director) ; Villa Peralta, Ana del Pilar (asesora) ;
Frontera, Centla, Tabasco : Instituto Tecnológico Superior de Centla , 2018
Clasificación: T/577.16097263 / R6
Bibliotecas: Villahermosa
Cerrar
SIBE Villahermosa
ECO050006412 (Disponible)
Disponibles para prestamo: 1
Nota: En proceso técnico. Solicítelo con la bibliotecaria de SIBE-Villahermosa
Resumen en español

Se realizó la caracterización de la estructura trófica de la Laguna El Guanal (LG) y el Canal Principal (CP) mediante el análisis de isótopos estables de carbono (δ13C) y nitrógeno (δ15N). En el CP se determinó que la principal fuente de carbono proviene del fitoplancton, mientras que en LG el Phragmites australis fue la principal fuente productora de energía mostrando valores enriquecidos de δ13C -13.78. Los valores de δ15N indicaron la posición trófica que ocupa cada especie colectada en el sistema, lo que dio como resultado una mayor diversidad en la red trófica de LG, en este sitio se encontró mayor abundancia de peces dulceacuícolas, en su mayoría la familia de los Cichlidae. Se determinó que en el segundo Nivel Trófico (NT) está constituido por consumidores primarios principalmente especies filtradoras (moluscos) mientras que en el NT intermedio se encontró la mayor abundancia de especies y solo una especie de crustáceo (Macrobrachium acanthurus) en el NT superior se encontraron dos especies, P. splendida y Hyporhamphus mexicanus ocupando esta última especie el NT tope (3.6). El CP presento una similitud en el NT, encontrando de igual forma en el segundo NT a los organismos filtradores (L. tampicoensis y P. alata), y en el NT intermedio las especies C. carpio, A. aeneus, D. petenense, A. alvarezi. Mientras que en los NT superiores se encontraron dos especies marinas (Centropomus undecimalis y Strongylura notata) con NT (3.2 y 3.4 respectivamente).

Índice

DEDICATORIA
AGRADECIMIENTOS
1.1 INTRODUCCIÓN
1.2. OBJETIVOS
1.2.1. Objetivo general
1.2.2. Objetivos específicos
1.3. Hipótesis
2. ANTECEDENTES
2.2. Marco contextual
2.2.2. Detritus
2.2.3. Dinámica Trófica
2.2.4. Diádromos
2.2.4.1. Anádromos
2.2.4.2. Anfídromos
2.2.4.3. Catádromo
2.2.5. Enriquecimiento isotópico
2.2.6. Espectrometría de masas
2.2.7. Hidrófitas
2.2.7.1. Hidrófitas enraizadas de hojas postradas
2.2.7.2. Hidrófitas enraizadas emergentes
2.2.7.3. Hidrófitas enraizadas sumergidas
2.2.7.4. Hidrófitas libremente flotadoras
2.2.8. Humedales
2.2.8.1. Humedal costero
2.2.8.2. Humedal estuarino
2.2.8.3. Humedal lacustre
2.2.8.4. Humedal palustre
2.2.8.5. Humedal ribereño
2.2.9. Isótopo
2.2.9.1. Isótopos de carbono (δ13C)

2.2.9.2. Isótopos de nitrógeno (δ15N)
2.2.9.3. Isótopos estables
2.2.10. Nivel trófico
2.2.11. Plantas C3
2.2.12. Plantas C4
2.2.13. Plantas CAM
2.2.14. Red trófica
2.2.15. Expresión δ13C
2.2.16. Expresión δ15N
3. METODOLOGÍA
3.1. Área de estudio
3.2. Colecta de muestras
3.3. Trabajo de laboratorio
3.3 Análisis de isótopos estables
3.4. Análisis de datos
4. RESULTADOS
4.1 Composición de isótopos estables en la estructura trófica de la red
4.2. Niveles tróficos de los grupos taxonómicos
5. DISCUSIÓN
6. CONCLUSIÓNES
6.1. RECOMENDACIONES
7. BIBLIOGRAFÍA


6.
- Artículo con arbitraje
Diversidad de la herpetofauna en la cuenca del Usumacinta, México
Muñoz Alonso, Luis Antonio ; Rodiles Hernández, María del Rocío (coaut.) (1956-) ; López León, Nora Patricia (coaut.) ; González Navarro, Alondra (coaut.) ; Chau Cortés, Alba Marina (coaut.) ; Nieblas Camacho, Jorge Alberto (coaut.) ;
Contenido en: Revista Mexicana de Biodiversidad Supl., Vol. 89 (diciembre 2018), p. S79-S99 ISSN: 0187-6376
PDF PDF
Resumen en: Español | Inglés |
Resumen en español

Se presenta un estudio sobre la diversidad y riqueza de la herpetofauna de la cuenca del río Usumacinta, realizado a partir del análisis de 8,808 registros provenientes de colecciones científicas, de la base de datos faunística de la Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, la revisión de referencias bibliográficas y de trabajo de campo, entre agosto del 2014 y octubre del 2015 para 3 zonas (selva, lagunas y costa) en la cuenca del río Usumacinta. Se reportan 42 especies de anfibios y 110 de reptiles. La zona selva es la más rica en especies, con 136, siguiéndole la zona lagunas con 108 herpetozoos y la zona costa con una riqueza de 66 especies. Los valores del número efectivo de especies reportados (qD) indican diferencias entre las zonas estudiadas; el más alto para lagunas (1D = 20.98 ± 3.35), el segundo para costa (1D = 16.01 ± 2.35) y el último para zona selva (1D = 11.63 ± 1.64). Se analiza la diversidad y composición de 3 gremios funcionales: anuros, tortugas y cocodrilos. Desde el punto de vista herpetofaunístico, las zonas selva y lagunas son las más importantes por su alta riqueza y diversidad de especies.

Resumen en inglés

A study is presented on the diversity and richness of the herpetofauna of the Usumacinta basin, based on 8,808 records from scientific collections, faunistic databases of the Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, bibliographical references review, and field survey (2014-2015) for 3 study zones (Selva, Lagunas, and Costa) in the basin. For the study region, 42 species of amphibians and 110 species of reptiles were reported. The Selva zone was the richest in species, with 136, followed by Lagunas with 108 herpetozoos and Costa with a richness of 66 species. Values of effective number of species (qD) indicate differences between the study zones, showing Lagunas (1D = 20.98 ± 3.35) the highest value, followed by Costa (1D = 16.01 ± 2.35) and Selva (1D = 11.63 ± 1.64). The diversity and composition of three functional guilds (anurans, turtles and crocodiles) were analyzed. Selva and Lagunas are the most important zones based on their high richness and diversity of amphibians and reptiles.


7.
Artículo
*Solicítelo con su bibliotecario/a
Feeding ecology and ecomorphology of cichlid assemblages in a large Mesoamerican river delta
Pease, Allison A. ; Mendoza Carranza, Manuel (coaut.) ; Winemiller, Kirk O. ;
Contenido en: Environmental Biology of Fishes Vol. 101, no. 6 (June 2018), p. 867–879 ISSN: 0378-1909
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

Fish assemblages in tropical lowland rivers are characterized by a high richness of species that feed on a diverse array of food resources. Although closely related species often have similar feeding ecology, species within the family Cichlidae display a broad spectrum of trophic niches, and resource partitioning has been inferred from studies conducted in Neotropical rivers. We investigated interspecific variation in food resource use and its relationship to morphological variation among cichlid fishes within the Pantanos de Centla Biosphere Reserve, a coastal area encompassing the delta of the Grijalva-Usumacinta River in Tabasco, Mexico. Most species consumed benthic crustaceans, aquatic insect larvae, and detritus, but some were more herbivorous, and one species was a specialized piscivore. Dietary niche overlap among species was higher than expected for one assemblage, and similar to random expectations for another, suggesting a lesser role for resource partitioning than has been shown for some cichlid assemblages, perhaps due to availability of abundant resources, even in low-water conditions. Canonical correspondence analysis revealed that greatest morphological differences am7ong species involved functional traits directly associated with resource use. Relationships between feeding ecology and morphology were similar to those described for other riverine cichlids. Strong ecomorphological relationships facilitate inferences about the ecology of cichlid species, including species that currently lack data from field studies. Knowledge of ecological relationships will be important for conservation in the Pantanos de Centla, an ecosystem of global significance for biodiversity and ecosystem services.


8.
- Artículo con arbitraje
Mangrove productivity and phenology in relation to hydroperiod and physical–chemistry properties of water and sediment in Biosphere Reserve, Centla Wetland, Mexico
Torres Velázquez, Jony Ramiro ; Barba Macías, Everardo (coaut.) ; Choix, Francisco J. (coaut.) ;
Contenido en: Tropical Conservation Science Vol. 11 (October 2018) p. 1-14 ISSN: 1940-0829
PDF
Resumen en: Inglés |
Resumen en inglés

Mangrove is the dominant vegetation in the estuaries, river deltas, and coastal lagoons of tropical and subtropical regions. A number of factors affect the structure and productivity of mangrove forests, including hydrology, soil salinity, and soil type. In this study, litter production in the Centla Wetland Biosphere Reserve in Tabasco, Mexico, was evaluated as a function of the physical–chemical properties of water and sediments. The study cycle was from June 2015 to June 2016. Litterfall was measured, and water samples were collected at the surface, interstitial, and subterranean level to estimate the physical– chemical parameters. Sediment samples were also collected to determine the texture, pH, organic matter, bulk density, and moisture content. The mangrove was composed of Rhizophora mangle (L.), Laguncularia racemosa (L.) Gaertn, and Avicennia germinans (L.) Stearn. The pH was presented in a range of 5.3 to 7.4, and spatially, the texture of sediment varied significantly, with high values of sand in Playa (73.7% 3.4%) and high content of clay (57.2% 1.4%) and organic matter (41% 2% average) in mangrove riverine type. The highest salinity of interstitial water was encountered at Beach (29 3.0 PSU) and of groundwater (36.4 1.5 PSU). Overall, the average estimated litter fall was 10.45 tonha 1 year 1 . These results indicate that the litter production is related to the response of the mangrove to the variation of the environmental conditions of each site (substrate texture, hydroperiod, soil moisture, water salinity, water redox potential, and soil organic matter).


9.
Libro
Mexican natural resources management and biodiversity conservation: recent case studies / Alfredo Ortega Rubio, editor
Disponible en línea: Mexican natural resources management and biodiversity conservation: recent case studies.
Ortega Rubio, Alfredo (editor) ;
Cham, Switzerland : Springer International Publishing , 2018
Clasificación: 333.715097 / M4
Bibliotecas: Villahermosa
Cerrar
SIBE Villahermosa
38859-20 (Disponible)
Disponibles para prestamo: 1
Índice | Resumen en: Inglés |
Resumen en inglés

This book presents valuable and recent lessons learned regarding the links between natural resources management, from a Socio-Ecological perspective, and the biodiversity conservation in Mexico. It address the political and social aspects, as well as the biological and ecological factors, involved in natural resources management and their impacts on biodiversity conservation. It is a useful resource for researchers and professionals around the globe, but especially those in Latin American countries, which are grappling with the same Bio-Cultural heritage conservation issues.

Índice

Part I Public Policies
1 Biodiversity Conservation in Mexico: Assessing the Institutional Capacity for Implementing Nagoya Protocol and Aichi Targets
2 Are Current Actions for Conservation in Mexico Enough? A Review of the Proximate and Ultimate Threats
3 Patrimonialism, Natural Resource Management, and Civil Service in Mexico: Lessons Learnt from the Last 30 Years
4 Public Policies and Biodiversity Conservation in Mexico
5 Public Mexican Corporations’ Sustainability Indicators: Measuring the Profit Benefits of Protected Natural Areas Programs for Socially Responsible Investors
6 Intellectual Property and the Governance of Plant Genetic Resources in Mexico: Trends and Implications for Research and Innovation
7 Artisanal Fishers and Their Participation in Public Policies for Biodiversity Conservation in Their Communities
Part II Theoretical Aspects
8 Socio-environmental Aspects of Conservation in Rural Communities
9 The Conservation and Restoration of the Mexican Islands, a Successful Comprehensive and Collaborative Approach Relevant for Global Biodiversity
10 Successful Experiences in Promoting Scientific Research in Mexican Conservation Biology
11 Forgotten Social Issues for Achieving Long-Term Conservation in Protected Areas
12 Estuaries and Coastal Lagoons of Mexico: Challenges for Science, Management, and Conservation
13 Status of the Phylogeography, Taxonomy and Conservation of the Reptiles of the Gulf of California Islands
14 Identifying Priority Areas for Conservation in Central Mexico: A Multi-criteria Approach
15 Potential Impacts of Decadal Climate Variability on Coastal Biodiversity and Societal Important Productive Activities: A Case Study in Mexican Coastal States
16 Development of Electrical Infrastructure and Biodiversity Conservation in Mexico
17 Freshwater Wetlands Conservation: An Assessment Protocol for Coastal Restoration in the Context of Climate Change

Part III Case Studies
18 Community Adaptation to Climate Change and Biodiversity Conservation in Natural Protected Areas: The Case of El Vizcaíno Biosphere Reserve, Mexico
19 The Value of Ecotourism and Ecosystem Services in Espiritu Santo Island National Park, Mexico
20 Biodiversity Conservation in the Pantanos de Centla Biosphere Reserve: Ecological and Socioeconomic Threats
21 Diversity, Distribution, and Abundance of Woody Plants in a Dry Tropical Forest: Recommendations for Its Management
22 Conservation of Biodiversity vs Tourism and Fishing at the Archipelago Espiritu Santo in the Gulf of California
23 Functional Diversity in Plants: Implications for Conservation Issues of the Mexican Biodiversity
24 Realities and Pending Issues in the Scientific Research in Natural Protected Areas in Mexico
Index


10.
- Artículo de divulgación
*En hemeroteca, SIBE-Campeche, SIBE-Chetumal, SIBE-San Cristóbal, SIBE-Tapachula, SIBE-Villahermosa
¿Por qué están muriendo manatís en Tabasco? Conversación con Benjamín Morales Vela
López Argoytia, Laura ;
Contenido en: ECOfronteras Vol. 22, no. 64 (septiembre/diciembre 2018), p. 34-37 ISSN: 2007-4549
Bibliotecas: Tapachula
Cerrar
SIBE Tapachula
41569-20 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-Campeche, SIBE-Chetumal, SIBE-San Cristóbal, SIBE-Tapachula, SIBE-Villahermosa
PDF PDF
Resumen en: Español |
Resumen en español

Las aguas mexicanas albergan una especie de mamíferos muy carismáticos que lamentablemente están en peligro de extinción: los manatís (Trichechus manatus), que habitan en aguas dulces y saladas del Golfo de México y el mar Caribe. En los últimos meses, Tabasco ha sido escenario de un evento insólito de mortandad masiva de manatís, lo cual ha alertado a diversas instancias estatales y federales. Benjamín Morales Vela, experto en manatís e investigador de ECOSUR, se ha unido al trabajo colectivo para averiguar la causa.