Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Bioremediation00:46

Bioremediation

18.2K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
18.2K
Conservation of Small Populations02:04

Conservation of Small Populations

13.1K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
13.1K
Conservation of Declining Populations02:07

Conservation of Declining Populations

9.6K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
9.6K
Competition02:34

Competition

21.5K
When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
21.5K
Testing a Claim about Mean: Known Population SD01:11

Testing a Claim about Mean: Known Population SD

2.7K
A complete procedure of testing the hypothesis about a population mean is explained here.
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...
2.7K
Keystone Species01:39

Keystone Species

21.6K
Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
21.6K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

A difficult rebirth.

Science (New York, N.Y.)·2026
Same author

Exposure to climate change-related extreme events in the first year of life and occurrence of infant wheezing.

Environment international·2025
Same author

Controversial study redraws classical picture of the neuron.

Science (New York, N.Y.)·2024
Same author

Clues emerge about an obscure virus' sudden spread.

Science (New York, N.Y.)·2024
Same author

Accusations sting bee 'odometer' studies.

Science (New York, N.Y.)·2024
Same author

Does wildlife rehabilitation work? No one knows for sure.

Science (New York, N.Y.)·2024

Video Experimental Relacionado

Updated: Jun 19, 2025

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
07:59

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

Published on: January 6, 2023

3.3K

¿Pueden los científicos ayudar a los corales matando estrellas de mar?

Sofia Quaglia

    Science (New York, N.Y.)
    |July 25, 2024
    PubMed
    Resumen
    Este resumen es generado por máquina.

    La eliminación de estrellas de mar de corona de espinas aumentó significativamente la cobertura de coral en la Gran Barrera de Coral de Australia. Esta intervención ofrece una estrategia prometedora para la restauración y gestión de los arrecifes de coral.

    Más Videos Relacionados

    Author Spotlight: Advancing Coral Research by Exploring Climate Change Resistance, Ex Situ Aquaculture, and Reproduction Strategies
    09:31

    Author Spotlight: Advancing Coral Research by Exploring Climate Change Resistance, Ex Situ Aquaculture, and Reproduction Strategies

    Published on: June 23, 2023

    1.3K
    Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use
    07:23

    Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use

    Published on: April 28, 2022

    3.0K

    Videos de Experimentos Relacionados

    Last Updated: Jun 19, 2025

    Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
    07:59

    Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

    Published on: January 6, 2023

    3.3K
    Author Spotlight: Advancing Coral Research by Exploring Climate Change Resistance, Ex Situ Aquaculture, and Reproduction Strategies
    09:31

    Author Spotlight: Advancing Coral Research by Exploring Climate Change Resistance, Ex Situ Aquaculture, and Reproduction Strategies

    Published on: June 23, 2023

    1.3K
    Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use
    07:23

    Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use

    Published on: April 28, 2022

    3.0K

    Área de la Ciencia:

    • Biología marina
    • Ecología
    • Ciencias de la conservación

    Sus antecedentes:

    • Las estrellas de mar de la corona de espinas (Acanthaster planci) son un depredador importante de los corales.
    • Los brotes pueden causar una mortalidad significativa de los corales, afectando los ecosistemas de los arrecifes.

    Objetivo del estudio:

    • Evaluar el impacto del sacrificio de las estrellas de mar de la corona de espinas en la cubierta de coral.
    • Evaluar la eficacia de la eliminación de las estrellas de mar como estrategia de conservación.

    Principales métodos:

    • Se llevaron a cabo operaciones de sacrificio selectivo de estrellas de mar de corona de espinas.
    • Monitoreo de los cambios en la cubierta de coral en los sitios de sacrificio y los sitios de control.
    • Utilizó encuestas visuales subacuáticas para la recopilación de datos.

    Principales resultados:

    • En las zonas donde se sacrificaban estrellas de mar con corona de espinas se observó un aumento significativo de la cubierta de coral en comparación con las zonas de control.
    • La reducción de la presión de la depredación condujo a un mayor crecimiento y recuperación del coral.
    • Se observó una correlación positiva entre la intensidad del sacrificio y la recuperación de la cubierta de coral.

    Conclusiones:

    • El sacrificio de estrellas de mar de corona de espinas es un método eficaz para aumentar la cobertura de coral.
    • Las intervenciones de gestión activa pueden ayudar a la recuperación de los sistemas de arrecifes de coral degradados.
    • Los hallazgos apoyan la implementación de programas de eliminación de estrellas de mar para la conservación de la Gran Barrera de Coral.