Browsing Investigación ambiental by Subject "Especies amenazadas"
Now showing items 21-40 of 73
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Cyclura ricordii on the Barahona Peninsula : a preliminary report
(2004)This report summarizes the preliminary results of the survey undertaken by Grupo Jaragua in Cabo Rojo, Pedernales region of the Barahona Peninsula in the Dominican Republic. The main purpose of the survey was to search for ... -
Descubriendo las características de la historia de vida y estrategias de conservación para la Golondrina Verde, Tachycineta euchrysea, un paseriforme amenazado y endémico a la isla ‘La Hispaniola’ : informe final, temporada 2012
(2012)En 2008, se colocaron cajas-nido en la Cordillera Central de la República Dominicana, en un esfuerzo de atraer una población de la Golondrina Verde, una especie endémica y en peligro cuyas poblaciones están disminuyendo ... -
Descubriendo las características de la historia de vida y las estrategias de conservación para la Golondrina Verde, Tachycineta euchrysea sclateri, un paseriforme amenazado y endémico de la isla 'La Hispaniola' : informe final temporada 2013
(2013)El Proyecto de la Golondrina Verde mira con éxito su segundo año de trabajo en la República Dominicana durante el 2013. Retornamos con una mejor comprensión de la Golondrina Verde, permitiéndonos mejorar las metodologías ... -
Discovering gold In the Greater Antilles : the natural history and breeding biology of the Hispaniolan Golden Swallow, followed by the status of the critically endangered Jamaican Golden Swallow
(2016)This thesis is divided into two parts that collectively tell the contemporary stories of both Golden Swallow subspecies known to the Greater Antilles islands of Hispaniola and Jamaica. Part I constitutes the first in-depth ... -
Distribución y estado de conservación de Melocactus praerupticola Areces: un cactus endémico del Bosque Xeromorfo de Montaña, Cordillera Central, República Dominicana
(2022)En República Dominicana, el género Melocactus está representado por tres especies, todas endémicas y utilizadas como plantas medicinales por los lugareños. Melocactus praerupticola se había colectado solo de la localidad ... -
Effects of herbivory by the urchin Diadema antillarum on early restoration success of the coral Acropora cervicornis in the central Caribbean
(2020)Herbivory is a key process well-known to maintain a coral-dominated state, and in the Caribbean Sea, the long-spine urchin Diadema antillarum is thought to aid coral success by removing algae from seafloor substrate that ... -
Estudio de la biología reproductiva de la golondrina verde (Tachycineta euchrysea), una especie endémica y amenazada de la isla ‘La Hispaniola’
(2013)La Golondrina Verde (Tachycineta euchrysea) es un especie rara y endémica a la isla La Hispaniola. Se sabe que sus poblaciones han estado disminuyendo durante las últimas décadas, llegando así a ser incluida como Vulnerable ... -
Estudio de la tenencia de la tierra en el área de Cyclura ricordi en Pedernales
(2018)Este estudio, parte del proyecto del Grupo Jaragua para conservar la biodiversidad en la Reserva de la Biosfera en el Suroeste de la República Dominicana, identifica las zonas de Pedernales en las que la agricultura pone ... -
Estudio de las poblaciones de tortugas marinas nidificantes en República Dominicana : informe de actividades realizadas en 2009
(2010)Este informe recoge las tareas realizadas y los resultados más importantes obtenidos durante 2009, tanto a nivel de evaluación de las poblaciones amenazadas de tortugas marinas como a nivel de sensibilización y apoyo a ... -
Evaluating the importance of marine protected areas for the conservation of hawksbill turtles Eretmochelys imbricata nesting in the Dominican Republic
(2015)Understanding spatial and temporal habitat-use patterns to protect both foraging and breeding grounds of species of concern is crucial for successful conservation. Saona Island in Del Este National Park (DENP), south-eastern ... -
First satellite tracks of the Endangered black-capped petrel
(2015)The black-capped petrel Pterodroma hasitata is an endangered seabird with fewer than 2000 breeding pairs restricted to a few breeding sites in Haiti and the Dominican Republic. To date, use areas at sea have been determined ... -
Genetic diversity and differentiation of the critically endangered Hispaniolan palm Coccothrinax jimenezii M.M. Mejía & R.G. García based on novel SSR markers
(2016)Coccothrinax jimenezii M.M. Mejía & R.G. García is a Critically Endangered palm species restricted to Haiti (one population near the city of Gonaïves with 43 individuals) and the Dominican Republic (one population on the ... -
Genetic structure at three spatial scales is consistent with limited philopatry in Ricord's Rock Iguanas (Cyclura ricordii)
(2019)Cyclura ricordii is an endemic iguana from Hispaniola Island and is threatened on the IUCN Red List. The main threats are predation by introduced mammals, habitat destruction, and hunting pressure. The present study focused ... -
Gesneriatuberifera (Gesneriaceae), a new lithophytic species from the Sierra de Bahoruco, Barahona Peninsula of southern Hispaniola (Dominican Republic)
(2023)A narrowly endemic new species of Gesneria is described from the Sierra de Bahoruco in the Dominican Republic’s Barahona Peninsula of southern Hispaniola. Gesneriatuberifera J.L.Clark & T.Clase, sp. nov. differs from all ... -
Helminths from a stranded manatee in the Dominican Republic
(1999)Endangered West Indian manatees (Trichechus manatus) are known to be parasitized by a number of helminths and ectoparasites. Records of parasitic associations exist for Florida, Mexico, Guyana, Brazil, Cuba and recently ... -
Historical decline and probable extinction of the Jamaican Golden Swallow Tachycineta euchrysea euchrysea
(2013)The endemic Jamaican subspecies of the Golden Swallow Tachycineta euchrysea euchrysea has been rare and locally distributed since its discovery in 1847. By the 1950s, its geographic range had contracted to a small region ... -
Home range and habitat data for Hispaniolan mammals challenge assumptions for conservation management
(2019)Conservation decision-making for threatened species in human-modified landscapes requires detailed knowledge about spatial ecology, but robust data derived from tracking individual animals are often unavailable, with ... -
Human perceptions regarding endangered species conservation: a case study of Saona Island, Dominican Republic
(2011)[English] Globally, human populations have caused increased demands on natural resources and the endangerment of numerous species, particularly on oceanic islands with limited resources. In such cases, attitudes and ... -
Independent evolutionary histories in allopatric populations of a threatened Caribbean land mammal
(2016)The aim of this study was to determine the evolutionary history, relationships and distinctiveness of allopatric populations of Hispaniolan solenodon (Solenodon paradoxus), a highly threatened Caribbean ‘relict’ mammal, ... -
Innovative assembly strategy contributes to understanding the evolution and conservation genetics of the endangered Solenodon paradoxus from the island of Hispaniola
(2018)Solenodons are insectivores that live in Hispaniola and Cuba. They form an isolated branch in the tree of placental mammals that are highly divergent from other eulipothyplan insectivores The history, unique biology, and ...