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Now showing items 21-30 of 263
Identificación y caracterización de los microorganismos asociados a la pared intestinal de Onychochaeta borincana (Oligochaeta: Glossoscolecidae)
(2006)
The intestinal symbiotic relationship between microorganisms and invertebrates is well
known. In the case of soil arthropods, the relationship is widely studied, but in earthworms
this relation has been only suggested. ...
Benthic macroinvertebrates as bioindicators of water quality in the Yaguez River, Mayaguez, Puerto Rico
(2008)
The objective of this study was to correlate the diversity of aquatic macroinvertebrates with
water quality of the Yagüez River in Mayaguez, Puerto Rico. In the year 2005, for a period
of eight months (January 27-December ...
Estudios de Brunfelsia densifolia Krug & Urb. (Solanaceae), una planta endémica rara.
(2006)
Brunfelsia densifolia Krug & Urb. (Solanaceae) is a rare plant, endemic to the Maricao Forest Reserve, of which very little is known. A search for individuals was carried out in the forest, and a study was conducted of its ...
Mitochondrial genome reconstruction of Rattus rattus obtained from an owl pellet from Tres Bocas Cave in the Dominican Republics
(2018-12-10)
Molecules of DNA are ubiquitous in the environment and a rich source of biological information, but because DNA degrades rapidly in tropical climates studies of ancient DNA in the Caribbean have been limited until recently. ...
Streptomyces asociados a nidos de Nasutitermes costalis y Nasutitermes acajutlae (Isoptera: Termitidae) en tres zonas ecológicas de Puerto Rico
(2014)
El éxito ecológico de muchos insectos en áreas tales como la reproducción, la defensa contra patógenos y el suministro de nutrientes, se relaciona con simbiosis con bacterias del género Streptomyces (Actinobacteria). ...
Revision and phylogeny of the neotropical subfamily Nyctiborinae (Dictyoptera: Blattaria: Ectobiidae)
(2012)
The neotropical cockroach subfamily Nyctiborinae Kirby, 1904 (Dictyoptera: Ectobiidae) is reviewed. A redescription for the subfamily and eight of its nine genera is undertaken, with emphasis on composition and morphology ...
Metazoan parasites of Groupers (Epinephelinae, Pisces) from Puerto Rico
(2008)
The subfamily Epinephelinae (Groupers) is a major group of commercially important
fishes of the world with 19 species reported from Puerto Rico. The goal of the present study was
characterize the diversity of parasites ...
Elemental composition, web architecture, and morphometrics: The case of Leucauge venusta (Walckenaer, 1842) in three forests of Puerto Rico
(2019-12-05)
Web building spiders are usually passive predators that do not typically change their location once they are established; this suggests that factors such as vegetation and canopy density could have a significant influence ...
Current habitat selection and use of the endangered lizard Anolis cooki (Grant, 1931) in the presence of Anolis cristatellus (Duméril and Bibron, 1837), in the Cabo Rojo National Wildlife Refuge at Cabo Rojo, Puerto Rico
(2019-12-06)
The study of habitat selection and use by an Anolis species on different types of forest formations at different times of day has not been well documented. Interspecific studies have suggested that anoles use and select ...
Plant diversity and vegetation structure as factors correlated with parasitoid wasp (Hymenoptera: Braconidae and Ichneumonidae) diversity in a degraded dry forest ecosystem in Puerto Rico
(2013)
Tropical dry forests worldwide have a long history of human use, invasion by non-native species
and degradation. In Puerto Rico, while overall forest cover has increased due to socioeconomic
and land use changes over the ...