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Archaeological Research at Cerro Trinidad. Over a hundred years of its presence in Peruvian Archaeology / Investigaciones arqueológicas en Cerro Trinidad, 100 años después de su presencia en la arqueología peruanaParedes Olvera, Juan 10 April 2018 (has links)
As part of a public archaeological project in the Chancay district, archaeological excavations were carried out in an area of four hectares on the slopes of the Cerro Trinidad site. e preliminary results showed that under the modern harbor of Chancay there is a thick archaeological occupation which could have been a ceremonial urban center between the Formative Period (White on Red style) until the Period I of the Regional Developments (Playa Grande style). Based on an aerial photograph analysis it was possible to determine the total extend of the Cerro Trinidad site as well as the previous excavations done by Max Uhle and Gordon R. Willey. Similarly, it was posible to locate an un-known archaeological site located on the Chancay Bay. / Con motivo de un trabajo de evaluación arqueológica en el distrito Chancay, se realizaron excavaciones arqueológicas de sondeo en un área aproximada de cuatro hectáreas en las faldas del cerro Trinidad, valle de Chancay. Estas excavaciones hallaron que debajo del actual puerto de Chancay se conservan evidencias arqueológicas de importancia, que muestran la verdadera dimensión y magnitud del sitio arqueológico de Cerro Trinidad constituyéndose en un centro urbano ceremonial de regulares dimensiones e importancia desde el Periodo Formativo Superior (estilo Blanco sobre Rojo), hasta el I Periodo de los Desarrollos Regionales (estilo Playa Grande). Esta información se contrastó con una fotografía aérea de 1943, cuando el asentamiento prehispánico no estaba cubierto por la ocupación actual. Con esto se obtuvo información importante como la localización de las excavaciones previamente efectuadas por Max Uhle y Gordon Willey, así como los contextos que ellos registraron. Del mismo modo, se ha registrado un tipo de asentamiento no denido hasta el momento, localizado en la misma bahía de Chancay.
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DEPREDATION OF OLIVE RIDLEY AND LOGGERHEAD TURTLE CLUTCHES ON BEACHES WITH AND WITHOUT PREDATOR MANAGEMNTCarlynn Nicole Cornhill (11002167) 23 July 2021 (has links)
<p>Management of predation on sea
turtle nesting beaches is vital to conservation efforts for the vulnerable
loggerhead turtles (<i>Caretta caretta</i>) and olive ridley turtles (<i>Lepidochelys
olivacea</i>). Sea turtles increasingly face threats from invasive and
human-tolerant mammalian predators as human disturbances on nesting beaches rises.
The intensity of mammalian predation has increased in Las Baulas National Park
in Costa Rica which is an important nesting site for several species of
threatened and endangered sea turtles. I analyzed loggerhead and olive ridley
nest predation on four beaches in the United States and Costa Rica that were
chosen for variations in degree of human disturbance and management strategies.
My objectives were to 1) determine if egg predation rates differ at the four
sites, 2) determine the most destructive predators at each location, and 3)
suggest management options to alleviate mammalian threats to turtle clutches on
Playa Grande and Playa Cabuyal in Costa Rica. My results show that the beaches
without a nest protection or predator control program had very high rates of predation.
Invasive mammalian predators and mammalian predators associated with human disturbance
were the most destructive at the four sites. I recommend that regulations
regarding dogs and the take of eggs from the beach are enforced at Playa
Cabuyal and that physical nest protection is rapidly implemented at Playa
Grande. I also recommend that the National Park consider managing raccoon
predation by removing problem individuals, but caution that they do so in a way
that maintains the animals’ role in the ecosystem.</p>
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