Guía ilustrada de Algas marinas comunes de la región del Biobío.
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Date
2025
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Publisher
Universidad de Concepción
Abstract
Chile es un país que posee una extensa costa, en ella se ve representada una alta biodiversidad marina que a menudo es desconocida por gran parte de la comunidad. Dentro de esta biodiversidad podemos encontrar a las algas marinas, que desempeñan un papel fundamental tanto en el equilibrio de los ecosistemas como en diversos aspectos de nuestra vida cotidiana. En este trabajo se elaboró una guía ilustrada de algas comunes de la Región del Biobío la cual tiene como objetivo ser utilizada por estudiantes (y público general) con el fin de aprender y reconocer la flora marina de la región. Para llevar adelante este objetivo, se realizó en primer lugar la evaluación del nivel de conocimiento que existe en estudiantes de enseñanza media y universitarios (primer año) sobre la flora marina, para lo cual se llevó a cabo una convocatoria abierta para participar de una encuesta, en la que se evaluó el interés, la percepción y el conocimiento de los estudiantes sobre la flora marina de la región del Biobío. En conjunto con la encuesta se desarrolló el material ilustrativo diseñado para promover el reconocimiento de las diversas especies de algas marinas que habitan en la región del Biobío. Este material incluyó 31 especies divididas en: 17 rojas, 9 pardas y 5 verdes. Para ratificar que las ilustraciones eran representativas, se llevó a cabo un testeo de las ilustraciones obteniendo un 80% de aprobación en promedio. Las encuestas demostraron que la mayoría de los estudiantes conoce “poco” o “nada” respecto de las algas marinas; en contraste con la desinformación, los estudiantes reconocen que son un grupo de suma importancia. Los resultados indicaron que existen discrepancia en la percepción de las algas marinas siendo en universitarios mayormente positivas (como que les gusta verlas en la playa) versus los escolares donde predominaron percepciones negativas hacia su olor y repudio al tacto. Finalmente, se realizó un reconocimiento de especies comunes mediante la proyección de fotografías, donde la especie más reconocida fue Lessonia spicata o “Huiro Negro”. La información recopilada en este estudio enfatiza la importancia de generar materiales educativos accesibles que permitan reducir la brecha de conocimiento sobre la biodiversidad de la Flora Marina de nuestra región y presenta un material ilustrado para su amplio uso en nuestro país.
Chile is a country with an extensive coastline, represented by a high marine biodiversity, which is often unknown by most of the people. Within this biodiversity we can find marine algae, which play a fundamental role both in the ecosystems balance and in various aspects of our daily lives. In this work an illustrated guide of common algae of the Biobío Region was elaborated with the objective of being used by students (and the general public) to learn and recognize the marine flora of the region. To carry out this objective, the first step was to evaluate the level of knowledge in high school and university students (first year) about marine flora, for which an open call was made to participate in a survey, in which the interest, perception and knowledge of students about the marine flora of the Biobío Region was evaluated. In addition to the survey, illustrative material designed to promote the recognition of the various species of marine algae that inhabit the Biobío region was developed. This material included 30 species divided into: 16 red, 9 brown and 5 green. To determine that the illustrations were representative, an illustrations test was carried out, obtaining an average of 80% approval. The surveys showed that most students know “little” or “nothing” about seaweeds; in contrast to the misinformation, students recognize that they are an extremely important group. The results indicated that there is a discrepancy in the perception of seaweeds, with university students being mostly positive (as they like to see them on the beach) versus school students where negative perceptions of their smell and repulsion to touch them predominated. Finally, a recognition of common species was carried out through the projection of photographs, where the most recognized species was Lessonia spicata or “Huiro Negro”. The information gathered in this study emphasizes the importance of generating accessible educational materials to reduce the knowledge gap about the biodiversity of the marine flora of our region and presents illustrated material for widespread use in our country.
Chile is a country with an extensive coastline, represented by a high marine biodiversity, which is often unknown by most of the people. Within this biodiversity we can find marine algae, which play a fundamental role both in the ecosystems balance and in various aspects of our daily lives. In this work an illustrated guide of common algae of the Biobío Region was elaborated with the objective of being used by students (and the general public) to learn and recognize the marine flora of the region. To carry out this objective, the first step was to evaluate the level of knowledge in high school and university students (first year) about marine flora, for which an open call was made to participate in a survey, in which the interest, perception and knowledge of students about the marine flora of the Biobío Region was evaluated. In addition to the survey, illustrative material designed to promote the recognition of the various species of marine algae that inhabit the Biobío region was developed. This material included 30 species divided into: 16 red, 9 brown and 5 green. To determine that the illustrations were representative, an illustrations test was carried out, obtaining an average of 80% approval. The surveys showed that most students know “little” or “nothing” about seaweeds; in contrast to the misinformation, students recognize that they are an extremely important group. The results indicated that there is a discrepancy in the perception of seaweeds, with university students being mostly positive (as they like to see them on the beach) versus school students where negative perceptions of their smell and repulsion to touch them predominated. Finally, a recognition of common species was carried out through the projection of photographs, where the most recognized species was Lessonia spicata or “Huiro Negro”. The information gathered in this study emphasizes the importance of generating accessible educational materials to reduce the knowledge gap about the biodiversity of the marine flora of our region and presents illustrated material for widespread use in our country.
Description
Tesis presentada para optar al título de Biólogo/a Marino/a.
Keywords
Algas marinas, Biodiversidad marina, Recursos marinos