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

Conservation of Declining Populations02:07

Conservation of Declining Populations

12.4K
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.
12.4K
Limits to Natural Selection01:38

Limits to Natural Selection

33.8K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
33.8K
Conservation of Small Populations02:04

Conservation of Small Populations

16.5K
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...
16.5K
Population Growth00:57

Population Growth

27.7K
Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.
27.7K
Habitat Fragmentation02:31

Habitat Fragmentation

20.8K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
20.8K
Frequency-dependent Selection01:21

Frequency-dependent Selection

22.9K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
22.9K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Mammals tolerate harmless human presence: Lessons from COVID-19 lockdown on Barro Colorado Island, Panamá.

Scientific reports·2026
Same author

Simultaneous Automated Insect Monitoring Across a Remote Tropical Elevation Gradient With Mothbox.

Integrative and comparative biology·2026
Same author

Initial tree census for the Paint Rock Forest Dynamics Plot, Alabama, USA.

Ecology·2026
Same author

Large-Scale Forest Restoration Accompanied by Biodiversity Recovery in Costa Rica's Redistributive Payment for Ecosystem Service Program.

Global change biology·2026
Same author

Non-Native Plants Alter Bird-Plant Frugivory Network Structure in a Human-Modified Tropical Landscape.

Ecology and evolution·2025
Same author

Integrating belowground recovery into tropical forest restoration design and monitoring.

Bioscience·2025

Video Experimental Relacionado

Updated: Dec 24, 2025

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
04:35

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

3.6K

Las compensaciones demográficas predicen la dinámica de los bosques tropicales

Nadja Rüger1,2,3, Richard Condit4,5, Daisy H Dent3,6

  • 1German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany. nadja.rueger@idiv.de.

Science (New York, N.Y.)
|April 11, 2020
PubMed
Resumen

Predecir los cambios en el bosque tropical requiere modelos avanzados. Los investigadores simplificaron cientos de especies de árboles en cinco grupos funcionales, pronosticando con precisión la dinámica del bosque y los impactos de las actividades humanas.

Más Videos Relacionados

Author Spotlight: Leaf Trait Analysis for Climate and Ecology Reconstruction in Modern and Ancient Plant Communities
10:14

Author Spotlight: Leaf Trait Analysis for Climate and Ecology Reconstruction in Modern and Ancient Plant Communities

Published on: October 25, 2024

4.3K
Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
09:19

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

1.3K

Videos de Experimentos Relacionados

Last Updated: Dec 24, 2025

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
04:35

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

3.6K
Author Spotlight: Leaf Trait Analysis for Climate and Ecology Reconstruction in Modern and Ancient Plant Communities
10:14

Author Spotlight: Leaf Trait Analysis for Climate and Ecology Reconstruction in Modern and Ancient Plant Communities

Published on: October 25, 2024

4.3K
Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
09:19

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

1.3K

Área de la Ciencia:

  • Ecología
  • Sector forestal
  • Biología computacional

Sus antecedentes:

  • La predicción precisa de la dinámica de los bosques tropicales es crucial para la gestión sostenible.
  • Los modelos existentes luchan por utilizar la gran cantidad de datos de la historia de la vida de los árboles tropicales disponibles.
  • La capacidad predictiva está limitada por los enfoques de modelado en lugar de la disponibilidad de datos de especies.

Objetivo del estudio:

  • Desarrollar un método eficiente y preciso para predecir la dinámica de diversos bosques tropicales.
  • Para comprobar si un enfoque de grupo funcional simplificado puede representar la diversidad de árboles tropicales complejos.
  • Mejorar la predicción de los impactos antropogénicos en los ecosistemas de los bosques tropicales.

Principales métodos:

  • Se utilizó un modelo de bosque demográfico para simular la sucesión forestal.
  • Representó cientos de especies de árboles tropicales utilizando sólo cinco grupos funcionales.
  • Incorporó dos compensaciones clave: crecimiento-supervivencia y reclutamiento de estatura.

Principales resultados:

  • El modelo predijo con precisión el área basal y los cambios de composición durante la sucesión de bosques neotrópicos.
  • Una representación simplificada de la diversidad de especies utilizando grupos funcionales resultó eficaz.
  • El marco basado en datos mejora las predicciones de los impactos humanos en los bosques.

Conclusiones:

  • Simplificar la diversidad de árboles tropicales en grupos funcionales es una estrategia viable para un modelo forestal preciso.
  • Este enfoque supera las limitaciones de los modelos tradicionales en el manejo de la alta diversidad de especies.
  • El marco ofrece una poderosa herramienta para evaluar los impactos antropogénicos e informar las estrategias de conservación.