Examinando por Materia "Localidad"

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  • Miniatura
    PublicaciónAcceso abierto
    Fluctuation of Premnobius cavipennis (Coleoptera: Curculionidae: Scolytinae) populations in balsa (Ochroma pyramidale) plantations in the central zone of the Ecuadorian Littoral.
    (Universidad del Valle, 2021-02-03) Averos, Joselyn Briggite; Castro Olaya, Jessenia; Martínez Chevez, Malena; Guachambala Ando, Marcelino; Peñarrieta Bravo, Soraya; Chirinos Torres, Dorys; García Cruzatti, Luz; Sociedad Colombiana de Entomología - Socolen; Universidad del Valle; Montoya Lerma, James
    This study aimed to determine the population fluctuation of Premnobius cavipennis and the effect of the trap height on balsa plantations (Ochroma pyramidale). The research was in El Vergel, El Empalme, and Guapara, three localities of Ecuador. There were used flight-interception traps with alcohol as an attractant, placed at one, four, and eight meters high. The collection and evaluation were carried out every week, for one year by locality. Premnobius cavipennis showed a population fluctuation throughout the year, with population peaks in months of the rainy season in the three locations. In El Vergel, the greatest abundance of P. cavipennis was found with 2,382 individuals, showing a population maximum in December. In El Empalme 1,263 individuals were captured, with population increases in January and April. In Guapara 525 individuals were registered, showing a population increase in March. There were captured individuals of P. cavipennis in the three heights of the traps in the three locations. There were highly significant differences between the heights, with a greater effect on the capture at one meter in the three locations of individuals at one meter, behavior that was the same in the three locations.
  • Miniatura
    PublicaciónAcceso abierto
    Unas gotas : reflexiones sobre la historia local.
    (2011-10-10) Zuluaga Ramírez, Francisco Uriel
    Como el título procura sugerirlo este artículo comprende algunas reflexiones personales en torno a algunos aspectos de la historia local, procurando producir una definición de localidad y de historia local y algunas reflexiones de lo que ésta implicaría y su consonancia con otras nociones de historia local. Se avanza alguna reflexión sobre los desarrollos metodológicos de tal definición se derivan.