Browsing Investigación ambiental by Title
Now showing items 852-871 of 1253
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Observation of geophagy by Hispaniolan Crossbill (Loxia megaplaga) at an abandoned bauxite mine
(2012)Abstract: I report an observation of endangered Hispaniolan Crossbill (Loxia megaplaga) feeding on soils near abandoned bauxite mines in the Sierra de Bahoruco, Dominican Republic. Although geophagy has been widely reported ... -
Observations of unusual behavior in two invasive carnivores in the Dominican Republic: arboreal foraging in the Small Indian Mongoose (Urva auropunctata) and semi-aquatic hunting in the Domestic Cat (Felis catus)
(2023)[English] We report unusual foraging events in two of the most invasive terrestrial predators in the world that are well established in the Caribbean islands: the Small Indian Mongoose (Urva auropunctata), locally known ... -
Observations on the abundance, site persistence, home range, foraging, and nesting of the Pine Warbler on Hispaniola, and first record of ground nesting for this species
(1999)[English] We studied the permanent resident Pine Warbler (Dendroica pinus) from October-April 1996–1997 and 1997–1998 in high-elevation Hispaniolan pine (Pinus occidentalis) forests of the Sierra de Bahoruco in the Dominican ... -
Observations on the habitat and ecology of the Hispaniolan solenodon (Solenodon paradoxus) in the Dominican Republic
(1999)The habitat of the Hispaniolan Solenodon (Solenodon paradoxus) was investigated in the Dominican Republic in relation to particular environmental parameters (geomorphology, geologicalstructure, soil type, elevation, life ... -
Obtaining DNA samples from sensitive and endangered bird species : a comparison of saliva and blood samples
(2022)[English] Methods used to collect biological samples from birds for genetic analyses should allow high-quality DNA to be obtained in sufficient quantities, while limiting negative effects on sampled individuals. In this ... -
Occurrence, abundance, and length frequency distribution of queen conch, Strombus gigas (Gastropoda) on shallow waters of the Jaragua National Park, Dominican Republic
(1999)[English] The distribution of juvenile queen conch has been associated with certain ecologically unique characteristics within seagrass beds, such as strong tidal circulation patterns, depth of 2 to 4 m, and seagrass beds ... -
La okra (Abelmoschus esculentus (L) Moench) un cultivo con potencial para la humanidad
(2019)La okra o molondrón (Abelmoschus esculentus (L) Moench) es considerada un vegetal económicamente importante en países tropicales, subtropicales y otras partes del mundo. Esta planta tiene usos alimenticios y medicinales ... -
On the diet of the boa Epicrates striatus on Hispaniola, with notes on E. fordi and E. gracilis
(1987)The stomach contents of 214 specimens of Hispaniolan Epicrates (Serpentes: Boidae) were examined for prey remains...The diet of E. striatus would have gradually shifted from native to introduced mammals, and by the early ... -
On the relationship among birds and Trema micrantha in montane forests of Hispaniola
(2018)[English] Avian frugivores are of great interest to ecologists because they play an important role in ecosystem functioning, and can serve as important components in habitat restoration. In the Neotropics, observational ... -
Ongoing declines for the world’s amphibians in the face of emerging threats
(2023)Systematic assessments of species extinction risk at regular intervals are necessary for informing conservation action. Ongoing developments in taxonomy, threatening processes and research further underscore the need for ... -
Optimization of the synthesis of activated carbon prepared from Sargassum (sp.) and its use for tetracycline, penicillin, caffeine and methylene blue adsorption from contaminated water
(2022)This study was carried out to determine the optimal conditions for synthesizing activated carbon (AC) derived from invasive Sargassum (sp) for the efficient adsorption of emerging micropollutants [i.e. caffeine (Caf), ... -
Opuntia repens en República Dominicana y notas sobre la taxonomía del complejo Curassavica
(2020)Opuntia repens es reportada en este estudio por primera vez en la República Dominicana. Varias poblaciones de O. repens previamente fueron identificadas como O. taylorii. En las Antillas Mayores, la especie sólo se conocía ... -
Origin and evolution of Caribbean mangroves : A time-continuum ecological approach
(2024)This book provides a comprehensive, detailed, and coherent spatio-temporal account of Caribbean mangrove evolution. Analysis of the main natural and anthropogenic drivers of ecological and evolutionary change. Utility of ... -
Origin of the green iguana (Iguana iguana) invasion in the greater Caribbean Region and Fiji
(2021)Invasive populations of green iguanas (Iguanidae: Iguana iguana) are widely established beyond their native Central, South American, and Lesser Antillean range in various islands of the Pacific, Florida USA, and in the ... -
El oro de los sulfuros de Pueblo Viejo : posición de la Academia de Ciencias en relación al contrato de la Barrick Gold
(2011)Este proyecto, de explotación minera sulfurosa a cielo abierto, potencialmente afectaría un área protegida, afectaría los ríos Yuna, Maguaca y Margajita, deforestaría parte importante de las cuencas hidrográficas de estos ... -
Osteopilus pulchrilineatus, Hispaniolan Yellow Treefrog
(2013)Artículo que resume los resultados de una evaluación sobre el estado de conservación de la Rana Arborícola Amarilla de la Hispaniola (Osteopilus pulchrilineatus) publicado en la «Lista Roja de Especies Amenazadas» de la ... -
Outstanding pinkish brown-spored neotropical boletes : Austroboletus subflavidus and Fistulinella gloeocarpa (Boletaceae, Boletales) from the Dominican Republic
(2021)The occurrence of Austroboletus subflavidus and Fistulinella gloeocarpa is documented from the Dominican Republic. The latter species is reported for the first time outside its original locality in Martinique, extending ... -
Overcoming barriers to reef restoration : field-based method for approximate genotyping of Acropora cervicornis
(2023)Reef restoration efforts aim to enhance resilience by safeguarding the genetic diversity of coral populations. This could be facilitated by genotyping methods that are relatively inexpensive, and field-based. A potential ... -
Overlap in molt and breeding phenology in the Hispaniolan Woodpecker (Melanerpes striatus)
(2018)[English] The objectives of this study were: (1) to provide the first description of the Hispaniolan Woodpecker’s molt pattern, and (2) to describe the relationship of molt within the breeding phenology.