Results 21 to 30 of about 105 (85)
La Constitución de la República del Ecuador, en su Art. 25 dispone que las personas tienen derecho a gozar de los beneficios y aplicaciones del progreso científico; asimismo, en su Art. 350 señala: “Art.
Roberto Retamales
doaj +1 more source
Abstract The aquaculture of Argopecten purpuratus (Peruvian scallop) is a profitable activity with positive impacts on the local economy. However, the development of biofouling on the culture lantern nets generates negative environmental impacts that affect its sustainability.
Rómulo E. Loayza‐Aguilar +3 more
wiley +1 more source
Use of calcein to estimate and validate age in juveniles of the winged pearl oysterPteria sterna
Determining age is an important step when assessing growth, mortality, and yield of cultivated and wild populations, but studies linking shell growth marks in the pearl oyster Pteria sterna with the age of individuals are lack- ing. Thirty juveniles (20.0 ± 1.2 mm shell height), collected from a winter spatfall, were marked with the fluorochrome ...
Jorge Iván Cáceres-Puig +3 more
openaire +1 more source
The reproductive cycle of Larkinia grandis (Broderip and G.B. Sowerby I, 1829) from the NW Mexican Pacific was analyzed in relation to environmental variables, condition index (CI), and biochemical composition of different tissues. A total of 960 clams (80/month; 44.5–142.0 mm, shell height) were collected from the El Cohui estuary in the Navachiste ...
Maria Isabel Sotelo-Gonzalez +8 more
wiley +1 more source
Parameterizing nonlinear models presents an ongoing challenge in fisheries and aquaculture research. While additive and multiplicative error structures have been traditionally applied, a more recent alternative—the observed error structure—is gaining ...
Eugenio Alberto Aragón-Noriega +3 more
doaj +1 more source
PTERIA STERNA (GOULD, 1851) East Pacific, Gulf of California, Mexico, Guaymas, Sonora, Bahia de Bacochibampo (one pair with tissue, AMNH 311731); same as previous (one pair with tissue, AMNH 311789); East Pacific, San Diego, California, on rocks, just below low tide (one pair; AMNH 206564); East Pacific, Veracruz, Vacamonte, Panama (seven pairs ...
openaire +2 more sources
La concha nácar Pteria sterna sustenta los perlicultivos en México, y es la base de producción de perlas en el continente Americano. Está bajo protección especial desde 1994, y solo puede capturarse semilla natural para cultivo e investigación ...
Humberto Wright-López +3 more
doaj
AbstractJuveniles of Pinctada mazatlanica and Pteria sterna were collected with artificial collectors from Falsa Bay, Baja California Sur, Mexico during a 12 month experimental period. Filament substrate artificial collectors contained in 2 mm plastic mesh bags (25 ± 25 cm) were deployed from the surface to 17 m of depth, and replaced monthly. Pinctada
Carlos Caceres‐Martinez +2 more
openaire +1 more source
The Gulf of California nacre shell Pteria sterna is an important marine resource in Mexico, and the main species for "half" and round pearl production in the American continent. Wild spat can only be extracted legally for research or culture activities.
Humberto, Wright-López +3 more
openaire +1 more source
Prospección de concha perlífera Pteria sterna en Talara, noviembre 2000
19 p.
Luque Sánchez, Carlos +3 more
openaire +2 more sources

