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This paper describes the population biology of Lessonia trabeculata and Macrocystis integrifolia during and after the 1997-1998 El Niño in an area of permanent coastal upwelling in northern Chile. Spatial and temporal patterns of distribution were…

Entre agosto de 2005 y julio de 2006 estudiamos la fenología, la biología floral y elsistema reproductivo de una población de Oenocarpus bataua (Palmae) en los Andescolombianos. Evaluamos el sistema de polinización y determinamos la abundancia,el…

1°- Se ha estudiado el Sacadodes pyralis Dyar en sus diferentes estados señalando un ciclo promedio como sigue: 250 a 300 huevos por hembra. Incubación de 4 a 5 días. Período larvario 14 a 16 días. Precrisálida 3 a 4 días. Crisálida 14 a 30 días.…

Las bacterias endófitas residen en tejidos de las plantas, principalmente espacios intercelulares, raramente en espacios intracelulares y dentro de tejidos vasculares sin causar síntomas de enfermedad en la planta. Las discusiones sobre el origen de…

Hard ticks are blood-sucking ectoparasites of Ixodidae family. These mites have been always considered disrupting agents of livestock systems, where they are recognized as the cause of economic and production losses.…

Xantusia sanchezi is an endangered species that is endemic to Mexico and is known only from the states of Jalisco and Zacatecas. We studied a population from a locality known as Huaxtla, in the municipality of Zapopan in the state of Jalisco.…

Charcoal rot is an emerging disease for peanut crops caused by the fungus Macrophomina phaseolina. In Mexico, peanut crop represents an important productive activity for various rural areas; however, charcoal rot affects producers economically. The…

This study aims to see an overview of the adaptations that students have made to learning during the Covid-19 pandemic in biology subjects at Ponorogo 1 Public High School. The research method used is a descriptive quantitative method with data…

<p class='MsoNoSpacing' style='text-align: justify; margin: 0cm 0cm 0pt;'><span style='mso-ansi-language: EN-US;' lang='EN-US'><span style='font-size: small;'><span style='font-family: Calibri;'>An experiment was conducted…