Browsing Investigación ambiental by Title
Now showing items 627-646 of 1314
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Historical demography of bird populations from Hispaniola assessed by nuclear and mitochondrial gene sequences
(2015)Molecular markers can be used to infer the demographic history of a given species, but many historic processes simultaneously impact multiple species. Thus, comparative historical demography has the potential to provide ... -
Historical synthesis of biophysical information of Samaná region, Dominican Republic
(2005)The aim of this study was compiling physic, biological and fishery information to have a basis for a rapid ecological assessment of Samaná region (Dominican Republic), in regard to freshwater contribution of Yuna and ... -
History and conservation status of the Antillean manatee Trichechus manatus manatus in Hispaniola
(2021)To summarize the state of knowledge of the Endangered Antillean manatee Trichechus manatus manatus in Hispaniola, which comprises the Dominican Republic and Haiti, I reviewed documentary archives from pre-Columbian times ... -
Holocene climate and environmental history of Laguna Saladilla, Dominican Republic
(2011)Stratigraphic analyses of lacustrine sediments provide powerful tools for reconstructing past environments. The records that result from these analyses are key to understanding present-day climate mechanisms and how the ... -
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 ... -
Hongos del Monumento Natural Pico Diego de Ocampo: listado preliminar
(2021)[Español] Los hongos constituyen un grupo de organismos de mucha importancia para mantener un ecosistema estable. Se ofrece un listado preliminar sobre la micobiota del Monumento Natural Pico Diego de Ocampo. Se reportan ... -
Horas de éxodo y estacionalidad de los murciélagos en cuatro cuevas de República Dominicana
(2014)Se estudiaron los patrones de emergencia y estados reproductivos de las poblaciones de murciélagos en cuatro cuevas de la República Dominicana. Se capturó un total de 12 especies: Mormoops blainvillei, Pteronotus parnellii, ... -
Household solid wastemanagement in the Dominican Republic : case of the municipality of Puñal, Santiago
(2022)One of the biggest problems that the Dominican Republic has had in recent decades is the efficient management of solid domestic waste. This problem has worsened in recent years due to the decrease in available areas for ... -
How mangrove forests adjust to rising sea level
(2014)Mangroves are among the most well described and widely studied wetland communities in the world. The greatest threats to mangrove persistence are deforestation and other anthropogenic disturbances that can compromise habitat ... -
Human and hutia (Isolobodon portoricensis) interactions in pre-Columbian Hispaniola : the isotopic and morphological evidence
(2021)Highlights: Bone collagen carbon (∂13C) values of some hutia suggest commensal diets with humans. Raised carbon (∂13C) values suggest that some hutia consumed C4 plants, likely maize. There is no evidence suggesting hutia ... -
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 ... -
Humedales construidos como alternativa de tratamiento de aguas residuales en zonas urbanas : una revisión
(2022)El tratamiento de las aguas residuales urbanas es un problema no resuelto. Las nuevas tecnologías, como los humedales construidos (HC), ayudan a conservar y proteger los cuerpos de aguas. En esta revisión se analizan los ... -
Humedales en Los Haitises, República Dominicana : modelo conceptual preliminar y experiencia participativa en la formulación del Plan Hidrológico
(2013)[Español] En los Haitises, República Dominicana, existen numerosos humedales en ambiente kárstico vinculados a las aguas subterráneas. El objetivo del trabajo es realizar una caracterización hidrogeológica de Los Haitises ... -
Humedales y jicoteas : tortugas de agua dulce de La Española
(2018)Un componente muy importante de los humedales del Caribe insular, pocas veces reconocido, son las tortugas de agua dulce. Se encuentran entre los vertebrados acuáticos de mayor importancia, entre otras cosas por los servicios ... -
Humpback whale sightings in southern waters of the Dominican Republic lead to proactive conservation measures
(2008)The Amigos de los Delfines made four sightings of humpback whales (Megaptera novaeangliae) during surveys for dolphins near the Parque Nacional del Este (Eastern National Park), on the south-eastern coast of the Dominican ... -
Hurricane impacts on a mangrove forest in the Dominican Republic : damage patterns and early recovery
(2006)On 22 September 1998, Hurricane Georges passed over the Dominican Republic causing extensive damage to a 4700 ha mangrove forest that has been the site of a detailed study of vegetation and ecosystem dynamics since 1994. ... -
Hurricane Matthew impacts to marine and coastal biodiversity on southern coast of Dominican Republic
(2017)A rapid environmental assessment was conducted by the staff of Marine Biology Research Center (CIBIMA), Faculty of Sciences, Universidad Autónoma de Santo Domingo (UASD) on the southern coast of the Dominican Republic, to ... -
Hylid tadpoles from the Caribbean island of Hispaniola : ontogeny, description and comparison of external morphology
(2014)[English] The island of Hispaniola (Dominican Republic and Haiti) is home to four endemic species of treefrogs: Hypsiboas heilprini, Osteopilus dominicensis, O. pulchrilineatus and O. vastus. These species occur sympatrically ... -
Hypersalinity drives physiological and morphological changes in Limia perugiae (Poeciliidae)
(2016)A fundamental question in biology is how an organism's morphology and physiology are shaped by its environment. Here, we evaluate the effects of a hypersaline environment on the morphology and physiology of a population ... -
Hypotheses for the Recent Hispaniolan spider fauna based on the Dominican Republic amber spider fauna
(1999)The Dominican Republic amber fossil spider record is examined and hypotheses generated concerning the Recent Hispaniolan spider fauna which is, at present, poorly known. The families Cyrtaucheniidae, Microstigmatidae, ...