Papers by Adriana Bermudez Tobon
New Zealand Journal of Marine and Freshwater Research, Jul 26, 2017
ABSTRACT The Caribbean king crab Maguimithrax spinosissimus is an important artisanal fisheries r... more ABSTRACT The Caribbean king crab Maguimithrax spinosissimus is an important artisanal fisheries resource with a distribution range that includes the Florida Keys and Caribbean Sea islands. We carried out a phylogeographic analysis of M. spinosissimus in one oceanic (Old Providence) and two continental islands (Rosario and Tintipán). We analysed 89 and 49 Control Region (CR) and Cytochrome Oxidase I (COI) sequences, respectively. We found genetic differentiation between Old Providence and Rosario + Tintipán units (FST values of 0.84 for CR and 0.91 for COI gene), and gene flow between Rosario and Tintipán (FST values −0.0085 for CR, P > .88; −0.01 for COI gene, P > .99). Our analysis showed two genetic stocks and possibly an isolated biogeographic unit of M. spinosissimus. We suggest managing the species as different populations, and conducting more ecological and biological studies for the determination of possible cryptic species.
DOAJ (DOAJ: Directory of Open Access Journals), Mar 1, 2012
Los cangrejos ermitaños son un grupo representativo de la fauna marina del Caribe colombiano, ade... more Los cangrejos ermitaños son un grupo representativo de la fauna marina del Caribe colombiano, además, son importantes en el mantenimiento del equilibrio dinámico, en los ecosistemas por sus interacciones ecológicas y también por el impacto en la estabilidad de las redes tróficas. Sus patrones de distribución se identificaron mediante análisis multivariados de clasificación y ordenación espacial, se usaron registros históricos desde 1916 hasta el 2006. Los resultados indican diferencias por profundidad entre la fauna costera y la del talud continental y diferencias en la distribución latitudinal, en donde se encontraron tres grupos: Noreste, Centro y Suroeste, sustentados por diferencias en la composición faunística. Con base en los mapas de ecosistemas marinos de Colombia, se determinó que los principales factores que afectan su distribución son la influencia del talud Caribaná (profundidad), la temperatura de las masas de agua, las praderas de pastos marinos de la Guajira y las condiciones particulares de las ecorregiones Archipiélagos coralinos y Darién. Se identificó la distribución mundial de las especies colombianas y su afinidad geográfica, y se encontró mayor afinidad con el Atlántico norte y las Antillas que con el Atlántico sur y el Golfo de México, asimismo, las subprovincias geográficas que incluyen a Colombia son zonas de transición dentro de la subprovincias septentrionales y australes del Gran Caribe<br>Hermit crabs (Anomura: Paguroidea) distribution patterns in the Colombian Caribbean Sea. Hermit crabs represent the marine life in the Colombian Caribbean, and are important for the dynamic equilibrium maintenance in ecosystems, the ecological interactions and their impact on food web stability. Generally, in order to come up with some conservation strategies, strong bio-geographical information is needed for policies definition. With this aim, this study analyzed the distribution patterns of hermit crabs in the Colombian Caribbean Sea, through classification and spatial ordination multivariate analy [...]
Fishes, Mar 24, 2023
This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY
Revista De Biologia Tropical, Nov 1, 2012
Animals
Understanding the interspecific morphological variability of Caquetaia kraussii (Perciformes: Cic... more Understanding the interspecific morphological variability of Caquetaia kraussii (Perciformes: Cichlidae) between different localities in its distribution range is becoming essential, as this species constitutes a valuable resource for the economy and subsistence of the local human communities where it is endemic in Colombia and Venezuela. In order to develop efficient farming and handling plans for this species, a deep understanding of the factors and mechanisms generating morphological variability is crucial. This study analyzes the morphological variability of C. kraussii by using geometric morphometrics in four localities distributed between the Dique and North channels, which are part of the Bolívar department in Colombia. Likewise, the effect of environmental variables such as temperature (T°), dissolved oxygen (OD) and pH on morphological variability was analyzed using a partial least squares approach. The results show that environmental stress has an influence on ~10% of the ...
Fishes
C. kraussii is an endemic fish species from Colombia and Venezuela and represents a valuable food... more C. kraussii is an endemic fish species from Colombia and Venezuela and represents a valuable food resource for local human communities. Due to its economic importance, the management and captive breeding of this species are of special interest. However, the anatomical similarities between sexes have been a problem for visual identification. It is also important to indicate that C. kraussii has cryptic morphological behavior between sexes, a topic that has been one of the main problems for the implementation of management plans. The following research studied individuals from three different localities along the Canal del Dique, Bolívar Department in Colombia, in which the body shape of C. kraussii was analyzed using geometric morphometric analysis. The analyses detected the presence of intralocality sexual dimorphism in two of the three localities analyzed, showing a low morphological variability among males, presenting conserved body shape, as well as a greater morphological dispar...
IP 2105-09-10401Contiene CD titulo: Catálogo de los peces del talud superior del mar Caribe Colom... more IP 2105-09-10401Contiene CD titulo: Catálogo de los peces del talud superior del mar Caribe Colombiano.Santa Marta / L.M. Barrios Suarez. -- En: Ciencias Marinas. Vol.28, no. 1(2002); p. 37-48. -- ISSN 01853880.;ARTICULO(S) EN REVISTA: Distribucion de las anemonas (Anthozoa:Actinariay Corallimorpharia) en el area de;'-- Evidence of paraphyly in the neotropical Porcellanid genusNeopisosoma(Crustacea: Anomura: Porcellanidae);based on molecular characters / Bernd Werding, Alexandra Hiller,BernhardMisof. -- En: Hydrobiologia. --;Vol. 449, nos. 1-3 (Apr. 2001); p. 105-110. -- ISSN 001881-58-CD(S): Catalogo de los peces del talud;superior del mar Caribe colombiano -- Catalogo de los macoinvertebrados del talud superior del mar Caribe;colombiano
Bulletin of Marine and Coastal Research, 2016
A new range extension of Palicus floridanus and five new records of Palicidae are presented, the ... more A new range extension of Palicus floridanus and five new records of Palicidae are presented, the samples are collected from the Colombian Caribbean coast during the cruise of INVEMAR-Macrofauna I between 1998 and 1999, along the upper continental Slope (300 and 500 m deep). Six species have now been recorded from the area: P. alternatus Rathbun, 1897; P. cursor A. Milne- Edwards, 1880; P. floridanus Rathbun, 1918; P. gracilipes A. Milne-Edwards, 1880; P. gracilis Smith, 1883, and P. sicus A. Milne-Edwards, 1880. Previously, P. alternatus was the only member of the family reported for this area before this study.
Acta Biológica Colombiana, 2000
Boletín de Investigaciones Marinas y Costeras, Jul 6, 2021
Publicado por INVEMAR Este es un manuscrito de acceso abierto bajo la licencia CC Reconocimiento-... more Publicado por INVEMAR Este es un manuscrito de acceso abierto bajo la licencia CC Reconocimiento-No Comercial-Compartir Igual Determinación de dimorfismo sexual usando técnicas morfométricas en Rachycentron canadum (Perciformes: Rachycentridae) cultivados en cautiverio Determination of sexual dimorphism using morphometric techniques in Rachycentron canadum (Perciformes: Rachycentridae) cultivated in captivity
decapoda.nhm.org
Se analizan los principales aspectos biológicos y de distribución de las especies dominantes de l... more Se analizan los principales aspectos biológicos y de distribución de las especies dominantes de los géneros Agononida, Munida y Munidopsis del mar Caribe colombiano, con base en 1391 individuos de cinco especies, colectados durante las expediciones Macrofauna I y II que llevó a cabo el INVEMAR, entre 1998 y 2001. Estos se encuentran depositados en el Museo de Historia Natural Marina de Colombia. Para los análisis se tuvo en cuenta longitud de cefalotórax de los individuos, proporción de sexos, aspectos reproductivos como número de hembras ovadas y número de huevos, y parasitismo. Todas las variables tratadas se relacionaron con distribución geográfica y batimétrica de las poblaciones. Se determinaron las mayores abundancias de Agononida longipes, Munida forceps y Munidopsis riveroi al norte de la desembocadura del río Magdalena, y de Munida flinti en la zona sur, como resultado de condiciones abióticas propias de cada sector, que se manifestaron igualmente en la proporción de sexos de las especies. Munida forceps y Munidopsis erinaceus son consideradas especies raras, siendo indicativo de preferencias hacia mayores profundidades. Se observó dimorfismo sexual respecto a tallas, con mayores tamaños en hembras de Agononida longipes y Munidopsis riveroi. En Munida forceps y Munidopsis erinaceus no fue posible establecer el comportamiento de esta variable. Se confirma segregación batimétrica de las especies Agononida y Munida con respecto a las de Munidopsis. Se relaciona con mayores tamaños de los individuos a mayores profundidades y con las estrategias reproductivas utilizadas por cada una de ellas. Los parásitos presentan baja incidencia.
Bulletin of Marine and Coastal Research, 2016
The genus Munida is one of the most diverse within the superfamily Galatheoidea. This genus also ... more The genus Munida is one of the most diverse within the superfamily Galatheoidea. This genus also represents one of the richest and most abundant decapod crustaceans from the continental shelves and upper slopes of the Caribbean and Pacific coasts of Colombia. A morphological study of species of this genus showed taxonomic difficulties mainly due to the lack of topological correspondence of some of the diagnostic characters, confusion in the nomenclature and poor or incomplete descriptions of some species. The majority of the species belonging to the genus Munida found in the tropical Atlantic and eastern Pacific oceans were analyzed. Based on the topological correspondence of several external morphological characters of the examined species, a standardization of the nomenclature of the diagnostic characters for species identification is proposed.
The genus Munida is one of the most diverse within the superfamily Galatheoidea. This genus also ... more The genus Munida is one of the most diverse within the superfamily Galatheoidea. This genus also represents one of the richest and most abundant decapod crustaceans from the continental shelves and upper slopes of the Caribbean and Pacific coasts of Colombia. A morphological study of species of this genus showed taxonomic difficulties mainly due to the lack of topological correspondence of some of the diagnostic characters, confusion in the nomenclature and poor or incomplete descriptions of some species. The majority of the species belonging to the genus Munida found in the tropical Atlantic and eastern Pacific oceans were analyzed. Based on the topological correspondence of several external morphological characters of the examined species, a standardization of the nomenclature of the diagnostic characters for species identification is proposed.
In den Jahren 1998 und 2000 wurde im Rahmen der Expeditionen INVEMAR-Macrofauna I und II des IN... more In den Jahren 1998 und 2000 wurde im Rahmen der Expeditionen INVEMAR-Macrofauna I und II des INVEMAR die Bodenfauna der gesamten karibischen Küste Kolumbiens bis zu einer Tiefe von 500 m erfasst. Während der Expedition INVEMAR-Macrofauna I wurden Individuen von 103 Decapodenarten gesammelt. Die Analyse der räumliche Verteilung ergab, dass die Decapodengemeinschaften zwei Hauptgruppen unterscheiden lassen, wobei die eine Gruppe die Proben aus 300 m Tiefe vereinigt und die zweite Gruppe die Proben aus 500 m Tiefe. Innerhalb dieser zwei Hauptgruppen lassen sich die Proben in zwei Untergruppen unterteilen. Diese Untergruppen vereinigen zum einen die Proben aus dem mittleren und dem nordöstlichen Küstenabschnitt, die zweite Untergruppe vereinigt alle Proben aus dem südwestlichen Küstenabschnitt. Die Beobachtung der Faunenunterschiede in den Küstenökosystemen und die Existenz von Ausbreitungsbarrieren, sowie in Voruntersuchungen festgestellte morphologische Variationen zwischen Popula...
La Bahia de Cartagena situada al noroeste de Sudamerica, entre 10o16’-10o26’N y 75o36’-75o30’W en... more La Bahia de Cartagena situada al noroeste de Sudamerica, entre 10o16’-10o26’N y 75o36’-75o30’W en el Mar Caribe Colombiano, esta afectada por factores ambientales (influencia del Canal el Dique y conexion con el Mar Caribe) y antropicos (vertimientos de aguas negras, descargas industriales y las descargas de buques). El fitoplancton es una comunidad de organismos microscopicos fotosintetizadores que viven suspendidos en la zona fotica de la columna de agua; estos desempenan un papel importante como base de las redes troficas e indicadores de la calidad agua. Por lo tanto el objetivo de este trabajo fue determinar la riqueza y abundancia del fitoplancton en la Bahia de Cartagena. Para lograr esto, el Centro de Investigaciones Oceanograficas e Hidrograficas del Caribe realizo muestreos superficiales (1 m), mediante botella Niskin durante el periodo seco (marzo 2014) en 15 estaciones ubicadas en la Bahia de Cartagena. Las muestras sedimentadas por 72 horas se concentraron hasta un volu...
The characterization of organophosphorus degrading bacteria present at three subsamples in soils ... more The characterization of organophosphorus degrading bacteria present at three subsamples in soils from a contaminated land by pesticides, at southeast of Cartagena de Indias-Bolivar, Colombia was performed. These samples were homogenized and treated as a single sample, one part was separated for pesticide extraction and the second one was subject to monocrotophos (200 ppm) for 30 days. Bacteria capable to develop in a highly selective media with organophosphorus were isolated and biochemically identified by using BBL Crystal©kit. Bacterial growing was confirmed by means of UV-VIS spectroscopy of M9 liquid medium, and verification of pesticide bacterial degradation was perform by gas chromatography coupled flame ionization detector. According to the study at the molecular level of ribosomal gene 16S, it was determined that the three bacterial strains isolated from soil (C1, C2 and C3) belong to Enterobacteriaceae family. These species showed their ability to degrade organophosphorus pesticides.
Bulletin of Marine and Coastal Research, 2016
During the expedition INVEMAR-Macrofauna II, made in 2001 throughout the continental shelf and up... more During the expedition INVEMAR-Macrofauna II, made in 2001 throughout the continental shelf and upper continental slope of the Colombian Caribbean coast, between 20 and 500 m depth, 22 species of hermit crabs distributed in one superfamily and four families, were collected. Within the superfamily Paguroidea, the family Paguridae was the most abundant and diverse with 13 species, six species belong to family Diogenidae; the Parapaguridae was represented by two species and one species of the genus Trizocheles of the family Pylochelidae represents the !rst report of this family from this coast. In addition, !ve undetermined species of the genera Paguristes, Enneobranchus, and Iridopagurus, were also collected. Based on the collected material, the bathymetric distributions reveal species aggregation in two depth ranges (20 - 150 m and 300 - 500 m). The upper strata species show a geographic distribution pattern, seemingly related to the in"uence of the Magdalena river; by contrast, ...
Bulletin of Marine and Coastal Research, 2016
The isopod Ligia baudiniana is reported for the first time from the Caribbean coast of Colombia. ... more The isopod Ligia baudiniana is reported for the first time from the Caribbean coast of Colombia. Specimens of this species were collected on a rocky, intertidal substrate on the beaches of Marbella, Cartagena de Indias. A diagnosis is included along with illustrations of main taxonomic characters.
Bulletin of Marine and Coastal Research
The genus Munida is one of the most diverse within the superfamily Galatheoidea. This genus also ... more The genus Munida is one of the most diverse within the superfamily Galatheoidea. This genus also represents one of the richest and most abundant decapod crustaceans from the continental shelves and upper slopes of the Caribbean and Pacific coasts of Colombia. A morphological study of species of this genus showed taxonomic difficulties mainly due to the lack of topological correspondence of some of the diagnostic characters, confusion in the nomenclature and poor or incomplete descriptions of some species. The majority of the species belonging to the genus Munida found in the tropical Atlantic and eastern Pacific oceans were analyzed. Based on the topological correspondence of several external morphological characters of the examined species, a standardization of the nomenclature of the diagnostic characters for species identification is proposed.
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Papers by Adriana Bermudez Tobon