Browsing Investigación ambiental by Title
Now showing items 575-594 of 1253
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Habitat modelling locates nesting areas of the endangered Black-capped Petrel Pterodroma hasitata on Hispaniola and identifies habitat loss
(2020)[English] The Black-capped Petrel or Diablotin Pterodroma hasitata has a fragmented and declining population estimated at c.1,000 breeding pairs. On land, the species nests underground in steep ravines with dense understorey ... -
Habitat suitability and protection status of four species of amphibians in the Dominican Republic
(2015)Hispaniola Island has both a high level of amphibian endemism, and a high level of habitat degradation due to agriculture, infrastructure development, and extractive industries. The objective of this work was to evaluate ... -
Habitat-species association in the Hispaniolan solenodon (Solenodon paradoxus): a quantitative study of an endangered Caribbean mammal
(2011)This study assesses the habitat associations of the solenodon using quantitative data. This is undertaken at two different scales within the Dominican Republic: in the buffer zone of the Sierra de Bahoruco National Park, ... -
Hacia una ética de la biosfera para la crisis ambiental
(2010)El objetivo general de la tesis doctoral consistió en la indagación sobre algunos principios éticos que permitieran la comprensión y el adecuado tratamiento a la crisis ambiental. Estos principios están comprometidos con ... -
Heavy metal pollution assessment in the agricultural soils of Bonao, Dominican Republic
(2023)Heavy metal content in agricultural soils potentially impacts the food chain and human health. The present study assessed the levels of heavy metals in topsoil samples collected within an agricultural region situated in ... -
Heavy metal pollution on tourist beaches in the province of Puerto Plata (Dominican Republic)
(2022)Background: Beaches are key points for recreation and coastal tourism and a major source of income for many countries. Thus, good beaches attract tourists and degraded ones discourage tourism. Also, beaches and coastal ... -
Hedges Lab : Evolutionary Biology
(2016)Este portal web, desarrollado por el científico norteamericano Stephen Blair Hedges, Ph.D. (Carnell Professor and Director, Center for Biodiversity, Science Education & Research Center, Temple University, Philadelphia), ... -
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 ... -
Heteroonops (Araneae, Oonopidae) spiders from Hispaniola : the discovery of ten new species
(2020)The Caribbean biodiversity hotspot harbors vast reserves of undiscovered species. A large-scale inventory of Caribbean arachnids (CarBio) is uncovering new species across the arachnid tree of life, and allowing inference ... -
High altitude aggregations of Anetia briarea Godart on Hispaniola (Nymphalidae: Danainae)
(1990)High altitude aggregations of the danaine Anetia hriarea Godart were observed near the summit of Pico Duarte (2500-3000 m) in the Dominican Republic. These observations represent the highest elevation record in the West ... -
Hispaniola's first Black Rail (Laterallus jamaicensis)
(1986)On December 30, 1984, F. Soriamo, an educator at the Zoological Park in Santo Domingo, brought to me a tiny live rail for identification. It had been caught by a campesino in a field under plow between Monte Plata and ... -
Hispaniolan giant Diploglossus (Sauria: Anguidae): description of a new species and notes on the ecology of D. warreni
(1985)A third giant species of Diploglossus,D. carraui, is described from north-central República Dominicana. Comparisons between this species and D. warrenifrom Haiti and D. anelpistusfrom south-central República Dominicana are ... -
Hispaniolan Lizard-Cuckoo (Coccyzus longirostris) tethered by common green snake (Uromacer catesbyi)
(2006)Abstract: Entanglement of birds by snakes is rarely reported. On 15 July 1998, a Hispaniolan Lizard-Cuckoo (Coccyzus longirostris) was encountered tethered to a small sapling by common green snake ... -
Historia general y natural de las Indias, islas y tierra-firme del mar océano : primera parte
(1851)Historia general y natural de las Indias, islas y tierra firme del mar océano es un libro escrito por Gonzalo Fernández de Oviedo y Valdés en el siglo XVI, aunque fue publicado íntegramente mucho tiempo después de su muerte, ... -
La historia natural de Saint Domingue (ensayo)
(2020)«La historia natural de Saint Domingue» es una traducción al español de la obra «Essai sur l’histoire naturelle de l’isle de Saint-Domingue», publicada originalmente años después del fallecimiento de su autor, el padre ... -
La historia natural en tiempos del emperador Carlos V : la importancia de la conquista del Nuevo Mundo
(2000)A lo largo del siglo XVI se produjo un significativo desarrollo científico en Europa y en los reinos de España. El humanismo y el descubrimiento de América fueron factores esenciales en el impulso dado al estudio de la ... -
Historia natural y social del río Haina; primera parte: características físico naturales de la cuenca Haina
(2008)Resumen: Esta investigación se propone conocer prácticas socioculturales y económicas relacionadas con el manejo, uso de los recursos naturales y la percepción que de esto tienen comunidades seleccionadas en la cuenca del ... -
Historical biogeography of endemic plants in the Caribbean and Podocarpus as a case study
(2019)Despite numerous floristic studies of the Caribbean region, the large-scale evolutionary origins of its diversity remain relatively under-explored. Here, I add to the empirical knowledge of the origin and assembly of the ... -
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 ... -
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 ...