Now showing items 251-256 of 256
Conservation practices induce dialect formation in the endangered Puerto Rican amazon (Amazona vittata)
Captive breeding is a conservation strategy that often results in behavioral changes in animals born and reared in captivity. Culturally transmitted behaviors, such as learned vocal signals, are particularly prone to change ...
Isolation and Characterization of Antimicrobial Agent Producing Microbes and Generation of Metagenomic Libraries from Diverse Forest Soils in Puerto Rico
The misuse of antimicrobial agents is a world wide issue, since many opportunistic bacteria have acquired resistance or are becoming resistant to commercially available antibiotics. Antimicrobial resistance is not limited ...
Periphyton on non-serpentine and serpentine-derived substrates and small-scale distribution of macroinvertebrates in tropical streams
A common approach to manage and conserve public lands is to survey their ecosystems and their biodiversity. Understanding how complex ecosystems, such as rivers, operate is important to reveal the multifaceted interactions ...
Monitoring the diversity and species distribution of enterococci at a subtropical seawater system in Mayagüez, Puerto Rico
Enterococci are an important group of bacteria used as fecal indicator by the United States Environmental Protection Agency (USEPA) to evaluate the quality of recreational waters. Specifically, a beach is “contaminated” ...
Metazoan parasites of snappers, Lutjanidae (Pisces) from Puerto Rico
A total of 47 species of parasites were collected from 131 specimens of 13 species of fishes of the family Lutjanidae (Pisces). Host specificity was analyzed using the calculated mean intensity from each infection. ...
Time course gene expression profiling of cassava roots (Manihot esculenta) under physiological postharvest deterioration
The economic expansion of tropical root crop cassava is threatened by the rapid physiological postharvest deterioration (PPD) developed within the first 48 hours after harvest. This phenomenon contributes substantially to ...