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

Ecological Disturbance02:26

Ecological Disturbance

17.1K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
17.1K
Ecological Succession02:17

Ecological Succession

17.3K
Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
17.3K
Habitat Fragmentation02:31

Habitat Fragmentation

17.5K
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.
17.5K
Threats to Biodiversity01:50

Threats to Biodiversity

22.3K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
22.3K
Global Climate Change01:50

Global Climate Change

24.4K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.4K
The Carbon Cycle01:14

The Carbon Cycle

37.5K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
37.5K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

A meta-analysis of carbon losses and gains from tropical moist forest degradation and regeneration.

Science advances·2026
Same author

Height does not impair the hydraulic system of the tallest tropical Dipterocarp trees.

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

Soil fertility controls on tropical forest productivity and mortality: synthesis and roadmap.

The New phytologist·2026
Same author

Hyperdominance and Rarity in Amazonian Secondary Forests.

Global change biology·2026
Same author

Steering open-source AI to accelerate the sustainable development goals.

Nature communications·2026
Same author

Publisher Correction: Amazonian understory forests change phosphorus acquisition strategies under elevated CO<sub>2</sub>.

Nature communications·2026

Video Experimental Relacionado

Updated: Jul 3, 2025

The Calibration and Use of Capacitance Sensors to Monitor Stem Water Content in Trees
08:31

The Calibration and Use of Capacitance Sensors to Monitor Stem Water Content in Trees

Published on: December 27, 2017

12.6K

Transiciones críticas en el sistema forestal amazónico

Bernardo M Flores1, Encarni Montoya2, Boris Sakschewski3

  • 1Graduate Program in Ecology, Federal University of Santa Catarina, Florianopolis, Brazil. mflores.bernardo@gmail.com.

Nature
|February 15, 2024
PubMed
Resumen
Este resumen es generado por máquina.

La selva amazónica se enfrenta a un punto crítico debido al cambio climático, la deforestación y los incendios. Se necesitan medidas urgentes a nivel local y mundial para evitar el colapso generalizado de los bosques y mantener la resiliencia del ecosistema.

Más Videos Relacionados

Simulating Impacts of Ice Storms on Forest Ecosystems
06:27

Simulating Impacts of Ice Storms on Forest Ecosystems

Published on: June 30, 2020

7.0K
Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration
14:44

Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration

Published on: June 7, 2024

1.7K

Videos de Experimentos Relacionados

Last Updated: Jul 3, 2025

The Calibration and Use of Capacitance Sensors to Monitor Stem Water Content in Trees
08:31

The Calibration and Use of Capacitance Sensors to Monitor Stem Water Content in Trees

Published on: December 27, 2017

12.6K
Simulating Impacts of Ice Storms on Forest Ecosystems
06:27

Simulating Impacts of Ice Storms on Forest Ecosystems

Published on: June 30, 2020

7.0K
Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration
14:44

Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration

Published on: June 7, 2024

1.7K

Área de la Ciencia:

  • Ecología
  • Ciencias del clima
  • Ciencias del medio ambiente

Sus antecedentes:

  • Los bosques amazónicos han mostrado históricamente resistencia a la variabilidad climática durante millones de años.
  • El Amazonas se enfrenta ahora a un estrés sin precedentes por el aumento de las temperaturas, las sequías extremas, la deforestación y los incendios.
  • Las retroalimentaciones existentes del medio ambiente forestal están cambiando, lo que aumenta el riesgo de colapso del ecosistema.

Objetivo del estudio:

  • Para analizar los factores clave del estrés hídrico en los bosques amazónicos.
  • Para identificar los umbrales críticos que podrían conducir al colapso del bosque.
  • Proyectar la exposición futura de los bosques amazónicos a las perturbaciones agravadas.

Principales métodos:

  • Análisis de la evidencia existente para cinco factores principales del estrés hídrico.
  • Análisis espacial de las diversas perturbaciones.
  • Identificación de trayectorias ecosistémicas plausibles basadas en ejemplos de bosques perturbados.

Principales resultados:

  • Para el año 2050, entre el 10% y el 47% de los bosques amazónicos podrían sufrir perturbaciones cada vez mayores.
  • Estas perturbaciones podrían provocar transiciones inesperadas en los ecosistemas y exacerbar el cambio climático.
  • Se identificaron tres trayectorias ecosistémicas plausibles con diferentes retroalimentaciones y condiciones.

Conclusiones:

  • La resiliencia del Amazonas se ve amenazada por nuevas reacciones y un aumento de la tensión ambiental.
  • Las acciones locales urgentes (detener la deforestación, la restauración) y las acciones globales (reducir las emisiones de gases de efecto invernadero) son cruciales.
  • Si bien la complejidad agrega incertidumbre, también pone de relieve las oportunidades para estrategias de conservación efectivas.