Browsing Facultad de Artes y Ciencias by Title
Now showing items 28-47 of 58
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Meiofaunal Colonization of Decaying Leaves of the Red Mangrove Rhizophora mangle, in Southwestern Puerto Rico
(Caribbean Journal of Science, Vol. 43, No. 1, 127-137, 2007, 2007-06)This study targeted the successional,trophic and taxonomic aspects of nematode assemblages inhabiting fallen Rhizophora mangle leaves in an experiment repeated during two consecutive years. Four replicates of four leaves ... -
Microbial Utilization of Toxic Chemicals in Surface Waters of Guayanilla Bay, Puerto Rico: Impact of Seasonal Variation
(Caribbean Journal of Science, Vol. 43, No. 2, 172-180, 2007, 2007-12)A study was conducted on the industrial area waters of Guayanilla Bay to determine the potential for microbial utilization of toxic compounds such as fluorene, naphthalene, phenanthrene, phenol and pentachlorophenol (PCP) ... -
Microbiological Surface-water Quality of the Río Grande de Añasco Watershed, Puerto Rico
(Caribbean Journal of Science, Vol. 42, No. 2, 151-163, 2006, 2006-12)Sediments and the persistence of fecal and streptococcal indicator bacteria in surface waters have been identified as the main water-quality impairments in Puerto Rico. Identification of temporal variations in bacterial ... -
Montanegra arenaria (Agaricaeceae, Basiodiomyocota), a New Record for Puerto Rico
(Caribbean Journal of Science, Vol. 42, No. 2, 244-246, 2006, 2006-12)The euagaric Montagnea arenaria (Basidiomycota) is reported from a dry region of southwestern Puerto Rico. This is a new record for Puerto Rico, and only the second record of this fungus in the Caribbean. The Puerto Rican ... -
Movement of fishes (Grunts: Haemulidae) across the coral reef seascape: A review of scales, patterns and processes
(Caribbean Journal of Science, Vol. 45, No. 2-3, 304-316, 2009, 2009)Reef fish movements over short and long time frames have important consequences for identifying essential fish habitat, quantifying ecological flows across the seascape and designing marine reserves. We use grunts (Haemulidae) ... -
New Locality, Depth, and Size Records and Species Character Modifications of Some Caribbean Deep-Reef/Shallow Slope Fishesand a New Host and Locality Record for the Chimaera Cestodarian
(Caribbean Journal of Science, Vol. 40, No. 1, 88-119, 2004, 2004-04)New geographic localities are noted for chimaera cestodarian, Gyrocotyle rugosa, from the central Atlantic; it and Antillean snake eel, Ophichthus spinicauda; Caribbean lanternshark, Etmopterus hillianus; and dwarf cat ... -
New Records of Marine Fishes from the Puerto Rican Plateau
(Carribean Journal of Science, Vol. 40, No. 1, 70-87, 2004, 2004-04)Forty-six new records of marine fishes to the Puerto Rican Plateau are reported here with notes on their habitat and life history. The lack of previous reports of many of these species is due to three main reasons: poorly ... -
Nocturnal fish movement and trophic flow across habitat boundaries in a coral reef ecosystem (SW Puerto Rico)
(Caribbean Journal of Science, Vol. 45, No. 2-3, 282-303, 2009, 2009)Few studies have quantified the extent of nocturnal cross-habitat movements for fish, or the influence of habitat adjacencies on nutrient flows and trophodynamics. To investigate the patterns of nocturnal cross-boundary ... -
Nutrient distribution across the insular shelf of La Parguera, Puerto Rico: assessment by algal tissue nitrogen
(Caribbean Journal of Science, Vol. 45, No. 2-3, 181-190, 2009, 2009)A survey was conducted to investigate possible presence of an inshore to shelf edge gradient in % nitrogen (%N) and stable nitrogen isotope ratio (δ 15 N; ‰ vs. air) in tissues of the rhodophyte Acanthophora spicifera and ... -
Observations on morphology and the taxonomic affiliation of Coelothrix irregularis (Harv.) Børgesen (Rhodymeniales, Rhodophyta)
(Caribbean Journal of Science, Vol. 46, No. 1, 71-82, 2010, 2010)Coelothrix irregularis (Harv.) Børgesen, until recently a member of the Rhodymeniaceae, has had several familial assignments within the Rhodymeniales. While suggested by some that the genus belonged in the Champiaceae on ... -
Observations on morphology and the taxonomic affiliation of Coelothrix irregularis (Harv.) Børgesen (Rhodymeniales, Rhodophyta)
(Caribbean Journal of Science, Vol. 46, No. 1, 71-82, 2010, 2010)Coelothrix irregularis (Harv.) Børgesen, until recently a member of the Rhodymeniaceae, has had several familial assignments within the Rhodymeniales. While suggested by some that the genus belonged in the Champiaceae on ... -
Occurrence of Juvenile Nassau Grouper, Epinephelus striatus (Teleostei: Serranidae), off Mona Island, Puerto Rico: Considerations of Recruitment Potential
(Caribbean Journal of Science, Vol. 42, No. 2, 264-267, 2006, 2006-12)In the wider Caribbean, the Nassau grouper (Epinephelus striatus) is considered a commercially important fish. However, its former abundance has declined precipitously in many areas due to overfishing. In Mona Island, ... -
Pharaxonotha portophylla (Coleoptera: Erotylidae), new species and pollinator of Zamia (Zamiaceae) in Puerto Rico
(Caribbean Journal of Science, Vol. 44, No. 3, 321-333, 2008, 2008-12)Pharaxonotha portophylla, new species (Insecta: Coleoptera: Erotylidae: Pharaxonothinae), is described based on individuals collected on the cones of native populations of Zamia amblyphyllidia D. W. Stevenson and Z. ... -
Preliminary Estimate of Earthworm Abundance and Species Richness in Spathodea campanulata Beauv. Forests in Northern Puerto Rico
(Caribbean Journal of Science, Vol. 42, No. 3, 325-330, 2006, 2006-12)The alien tree species Spathodea campanulata forms monodominant stands in abandoned agricultural lands in Puerto Rico. In July 2005, we excavated three replicate randomly located soil pits (25 by 25 by 30 cm) in each of ... -
Sediment transport and the distribution of shallow-water gorgonians
(Caribbean Journal of Science, Vol. 45, No. 2-3, 254-259, 2009, 2009)The objective of this study was to provide evidence supporting the contention that sediment transport (bedload) is a major environmental factor controlling the distribution of shallow-water gorgonian species. Gorgonians ... -
Self-compatibility of microgametophytes in Heliconia bihai (Heliconiaceae) from St. Lucia
(Caribbean Journal of Science, Vol. 44, No. 2, 145-149, 2008, 2008-07)Potential for physiological self-incompatibility in Heliconia bihai as a mechanism to promote outcrossing was studied in St. Lucia. Our results do suggest that H. bihai is self-compatible. However, plants vary in their ... -
Sexual dimorphism in the timing of flowering in two dioecious trees in a subtropical wet forest, Puerto Rico
(Caribbean Journal of Science, Vol. 46, No. 1, 88-95, 2010, 2010)In dioecious plants, sexual selection can promote the evolution of differences in the flowering display of males and females. Theory indicates that male reproductive success is principally limited by the number of mates, ... -
Shore Fishes from Islands of the Mona Passage, Greater Antilles with Comments on Their Zoogeography
(Caribbean Journal of Science, Vol. 41, No. 4, 716-743, 2005, 1995-12)The geology, physical conditions, size, and position within the Caribbean may all play a role in shaping the fauna of islands in the Mona Passage. This paper describes the ichthyofauna of Mona, Monito,and Desecheo by ... -
Spatial and temporal patterns in reef sediment accumulation and composition, southwestern insular shelf of Puerto Rico
(Caribbean Journal of Science, Vol. 45, No. 2-3, 138-150, 2009, 2009)Effects of terrigenous sedimentation are considered a serious threat to Puerto Rico’s coral reefs. This study assesses: 1) the composition of sediments accumulating at reef sites on the southwestern shelf of Puerto Rico; ... -
Spatial and temporal patterns of water quality indicators in reef systems of southwestern Puerto Rico
(Caribbean Journal of Science, Vol. 45, No. 2-3, 168-180, 2009, 2009)Baseline information on the water quality status of coral reefs and associated habitats of La Parguera, southwestern PR, is presented. Measurements of temperature, salinity, chlorophyll a , turbidity, fluorescence of ...