Browsing Center for Applied Tropical Ecology and Conservation by Title
Now showing items 1-20 of 65
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A comparison of fine root density of plants in the Coastal Plateau of the Guánica Dry Forest Reserve
(External Scientific Advisory Committe (ESAC), 2009-11)Root production is an important process in the dynamic carbon and nutrient cycle of terrestrial ecosystems. Root productivity of plant community can be affected by temperature, rainfall and availability of nutrients. In ... -
A preliminary phylogeny of Caribbean Tabebuia based on the nrDNA ITS region
(External Scientific Advisory Committe (ESAC), 2009-11)Tabebuia Gomes ex DC. (Bignoniaceae) is an extremely diverse Neotropical genus of woody species with great economical value and wide distribution from Mexico to Argentina. Although ca 108 taxa have been described (Gentry, ... -
Age-Related Changes in the Hoatzin Crop Bacterial Community
(External Scientific Advisory Committe (ESAC), 2009-11)The hoatzin (Opisthocomus hoazin)is a South American folivorous bird, with a crop microbial ecosystem that ferments dietary plant material. Juvenile birds progressively become independent from the chicks fed by adults ... -
Algorithm to access and analyze environmental data from public web images without accessing a database
(External Scientific Advisory Committe (ESAC), 2009-11)Obtaining environmental data may require to access a database. But, what if we have only images available and not a database? We developed an algorithm, using Python™ programming language, and we could access public web ... -
Antibiotic Resistance Genes in Feral Goats of Mona Island
(External Scientific Advisory Committe (ESAC), 2009-11)Background: Domesticated animals are exposed to antibiotics used in veterinary medicine or as feed additives. Over 4 centuries ago, goats were brought by the Spaniards to the Caribbean island of Mona, and have lived since ... -
Arthropod diversity in caves with moderate and high anthropogenic presence.
(External Scientific Advisory Committe (ESAC), 2009-11)Extensive diversity of organisms are found in subterranean habitats varying in degrees of permanence and residence (Culver 2009). Cave organisms are classified as trogloxenes, those that are accidental and temporal subterranean ... -
Aspergillus flavus: genetic variation, patterns of distribution and substrate specificity
(External Scientific Advisory Committe (ESAC), 2009-11)Aspergillus flavusis an opportunistic pathogen of humans, animals and plants, characterized by aflatoxin production and tolerance to salinity and high temperature. Recently we have found that A. flavusis common in sea fans ... -
Bayesian analysis for the growth of Mona Island iguana in headstart facility (Cyclura cornuta stejnegeri)
(External Scientific Advisory Committe (ESAC), 2009-11)Mona Island is a Natural Reserve under the management of the Department of Natural Environment Resources (DNER). Mona Island iguana (Cyclura cornuta stejnegeri), is an endemic reptile species of this region which is ... -
Bayesian analysis of movement after release for headstarted Mona Island iguana (Cyclura cornuta stejnegeri)
(External Scientific Advisory Committe, 2009-11)Mona Island is a Natural Reserve under the management of the Department of Natural Environment Resources (DNER). Mona Island iguana (Cyclura cornuta stejnegeri), is an endemic reptile species of this region which is ... -
Biodegradability of Dissolved Organic Carbon in the Río Piedras Watershed, Puerto Rico
(External Scientific Advisory Committe (ESAC), 2009-11)Organic matter is classified in groups, and total organic carbon (TOC) is the sum of dissolved organic carbon (DOC) and particulate organic carbon (POC). DOC composes most of the TOC and therefore it is our main focus. Puerto ... -
Biodegradability of dissolved organic carbon in three tropical watersheds
(External Scientific Advisory Committe (ESAC), 2009-11)In rivers, the microbial loop explains how microbes oxidize DOC to obtain energy making carbon available to higher trophic levels in the river foodweb. DOC biodegradability, however, is variable depending on its source. ... -
Blind Alleys of Evolution
(External Scientific Advisory Committe (ESAC), 2009-11)Genetic diversity underlies evolutionary potential of species. The distribution and quantity of genetic diversity are profoundly influenced by population structure and breeding system. Strong population subdivision has ... -
Breeding System of Guaiacum sanctum(Zygophyllaceae). Tropical Plant Ecology and Evolution Laboratory
(2009-11)Plant breeding systems and the factors that regulate sexual systems in natural plant populations may influence the frequency and quality of reproductive events (Richards1997). Data on there productive biology and breeding ... -
Carbon Fates in Tropical Stratify Estuaries
(External Scientific Advisory Committe (ESAC), 2009-11)Estuaries are highly productive coastal ecotones. Influenced by tidal, wave, and wind actions that control water mixing. Estuaries recipients of allochthonous organic matter (OM). OM is processed and exported to ocean under ... -
Changes in structural characteristics of leaves as related to water availability from trees growing in the Costal Plateau of Guánica Dry Forest
(External Scientific Advisory Committe (ESAC), 2009-11)Trees in the Coastal Plateau of Guánica Dry Forest are growing under a combination of environmental stressors such as water, nutrient availability, salt spray, and wind that determine their capacity to grow and maintain ... -
Combined impacts of sea surface warming, local runoff pulses, and meso-scale Caribbean gyres on coral reef rehabilitation success: Lessons learned to cope with climate change
(External Scientific Advisory Committe (ESAC), 2009-11)Low-tech coral aquaculture methods have been successfully used in Culebra Island, PR, since year 2003 to propagate threatened staghorn coral (Acropora cervicornis). Harvested corals are being used through the Culebra Island ... -
Contributions of Sewage effluents to Nutrients, Discharge, and DOC in Streams in Puerto Rico
(External Scientific Advisory Committe, 2009-11)Some waste water treatment plants(WWTP) in Puerto Rico continuously discharge their effluents directly to streams. With urbanization, generation of sewage effluents increases and fluvial export of nutrients are expected ... -
Coral reef ecosystem collapse in Puerto Rico: Combined impacts of long-term local anthropogenic factors and climate change
(External Scientific Advisory Committe (ASEC), 2009-11)Coral reefs are under increasing threats that have undermined their resistance ability to disturbance, their ecological functions and their ecosystem resilience. A combination of long-term impacts by natural factors (i.e., ... -
Crime scene investigation of recreational marine fisheries: The impact of shore-based recreational fishing of Queen Conch (Strombus gigas) in Culebra Island, PR
(External Scientific Advisory Committe (ESAC), 2009-11)Queen conch (Strombus gigas) is one of the most significant edible benthic invertebrate species through the Caribbean, but its populations have largely declined through time. Its recreational fishery impact still remains ... -
Detecting Vertical Transfer of Antibiotic Resistance Genes in the Absence of Antibiotics
(External Scientific Advisory Committe (ESAC), 2009-11)Our hypothesis is that antibiotic resistance can be vertically transmitted between generations, in the absence of antibiotics. Mothers readily colonize their offspring with bacteria that have antibiotic resistance genes. To ...