Browsing Investigación ambiental by Title
Now showing items 938-957 of 1313
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Pérdida de sedimento asociada a la retirada de depósitos de Sargassum spp. en las playas del Caribe
(2022)La retirada de restos vegetales de Sargassum spp. depositados sobre la playa emergida constituyen una parte de la limpieza de playas en el Caribe. Estas gestiones realizadas a lo largo de las últimas décadas han dado lugar ... -
pH, aluminio y factores ambientales en suelos bajo bosques de la cordillera Central, República Dominicana
(2015)Se analizaron datos químicos de 36 secciones de suelos bajo bosques naturales en la cordillera Central dominicana, 20 de ellas ubicadas en interfluvios y las 16 restantes en ambientes ribereños. En los interfluvios predominan ... -
Photo-identification of juvenile hawksbills using facial scales
(2010)The ability to identify individuals within a population is a key issue for most behavioral, ecological and conservation studies. Most sea turtle mark-recapture studies use external flipper tags (metal or plastic) previously ... -
Phylogenetic analyses of novel squamate adenovirus sequences in wild-caught Anolis lizards
(2013)Adenovirus infection has emerged as a serious threat to the health of captive snakes and lizards (i.e., squamates), but we know relatively little about this virus' range of possible hosts, pathogenicity, modes of transmission, ... -
Phylogenetic analysis of ecological and morphological diversification in Hispaniolan trunk‐ground anoles (Anolis cybotes group)
(2003)Anolis lizards in the Greater Antilles partition the structural microhabitats available at a given site into four to six distinct categories. Most microhabitat specialists, or ecomorphs, have evolved only once on each ... -
Phylogenetic relationships of the order insectivora based on complete 12S rRNA sequences from mitochondria
(1999)Despite numerous studies, there is no single accepted hypothesis of eutherian ordinal relationships. Among the least understood mammalian orders is the group Insectivora. Currently, molecular and morphological data are in ... -
Phylogenetics of Leptocereus (Cactaceae) on Hispaniola: clarifying species limits in the L. weingartianus complex and a new species from the Sierra de Bahoruco
(2021)The Antillean genus Leptocereus represents an in-situ radiation among the Greater and Lesser Antilles of 19 currently recognized species. Extensive fieldwork carried out in the Dominican Republic over recent years has ... -
Phylogeographic structure within the fiddler crabs Leptuca thayeri and Uca maracoani (Brachyura, Ocypodidae) along the tropical West Atlantic
(2022)Most fiddler crabs have an extended planktonic larval phase, potentially maintaining gene flow among widely separated populations, in the absence of marine barriers. Such marine barriers could be long coastal stretches ... -
Phylogeography of Dominican Republic bats and implications for systematic relationships in the Neotropics
(2017)[English] The majority (90%) of native terrestrial mammal species living in the Dominican Republic are bats, and two-thirds of these species are endemic to the Caribbean. However, recent molecular studies using DNA barcoding ... -
Phylogeography of the Caribbean rock iguana (Cyclura) : implications for conservation and insights on the biogeographic history of the West Indies
(2000)The Caribbean rock iguana, Cyclura, has had an unstable intrageneric taxonomy and an unclear phylogenetic position within the family Iguanidae. We use mtDNA sequence data to address these issues and explore the phylogeographic ... -
Phylogeography of the West Indian manatee (Trichechus manatus): how many populations and how many taxa?
(1998)To resolve the population genetic structure and phylogeography of the West Indian manatee (Trichechus manatus), mitochondrial (mt) DNA control region sequences were compared among eight locations across the western Atlantic ... -
Physicochemical analysis of Lake Enriquillo in Dominican Republic
(2016)The water level in Lake Enriquillo in the Dominican Republic (DR) has increased by an unprecedented amount over the last decade, inundating thousands of acres of farmland and more than a dozen villages and inflicting adverse ... -
Phytosociological study, diversity and conservation status of the cloud forest in the Dominican Republic
(2020)The study of the forest in rainy environments of the Dominican Republic reveals the presence of four types of vegetation formations, clearly differentiated from each other in terms of their floristic and biogeographical ... -
Picky Palmchats (Dulus dominicus) : do they really prefer to nest in royal palms?
(2020)Palmchats (Dulus dominicus) are widespread, medium-sized passerines endemic to Hispaniola. Palmchats build large, intricate stick nests mostly in palm trees, sometimes in deciduous trees, and rarely on the ground. The ... -
Plan para el estudio de la epizootiología de corales: guía para la evaluación, seguimiento y manejo preventivo de enfermedades y blanqueamiento de coral en la República Dominicana
(2020)[Español] Con la intención de generar información científica que permita conocer la exposición potencial y prevalencia de enfermedades coralinas, y contribuir a la implementación de acciones efectivas de manejo del ecosistema ... -
Planificación y el manejo de los recursos naturales y el ambiente
(1994)Abordar la problemática del manejo de los recursos naturales constituye un desafío de la sociedad actual, tratando de superar los errores cometidos en la implementación de modelos de crecimiento económico inducidos por ... -
Planning for resilience : incorporating scenario and model uncertainty and trade-offs when prioritizing management of climate refugia
(2022)Climate change has become the greatest threat to the world's ecosystems. Locating and managing areas that contribute to the survival of key species under climate change is critical for the persistence of ecosystems in the ... -
Plant community associations with morpho-topographic, geological and land use attributes in a semi-deciduous tropical forest of the Dominican Republic
(2021)Despite being increasingly threatened by human-induced disturbances, dry forests remain the least studied and protected forest types in the Caribbean region. In contrast to many other forest systems in the world, we have ... -
Plantas de interés apícola en el paisaje : observaciones de campo y la percepción de apicultores en República Dominicana
(2012)[Español] Durante aproximadamente un año, se realizaron observaciones de visitas de abejas en plantas en las zonas de infuencia de tres apiarios, ubicados en diferentes zonas climáticas de la parte norte de la República ... -
Plantas endémicas y nativas cultivadas en la ciudad de Santo Domingo
(2015)Entre los meses de abril y septiembre del año 2012, y actualizado en noviembre del 2014, se realizó un estudio sobre las plantas endémicas y nativas cultivadas en el “Gran Santo Domingo” o Zona Metropolitana, que incluye ...