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Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
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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...
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Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
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Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
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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.
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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.

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Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration
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Más allá de las predicciones: conservación de la biodiversidad en un clima cambiante.

Terence P Dawson1, Stephen T Jackson, Joanna I House

  • 1School of the Environment, University of Dundee, Dundee DD1 4HN, Scotland, UK.

Science (New York, N.Y.)
|April 2, 2011
PubMed
Resumen

El cambio climático representa una amenaza significativa para la biodiversidad. Está surgiendo un enfoque científico integrado que utiliza diversas fuentes de datos para predecir los impactos y guiar los esfuerzos de conservación de las especies y los ecosistemas.

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Área de la Ciencia:

  • Ecología Ecología Ecología.
  • Ciencias del clima Ciencias del clima Ciencias del clima Ciencias del clima
  • Conservación de la biodiversidad Conservación de la biodiversidad

Sus antecedentes:

  • El cambio climático es una de las principales amenazas a la biodiversidad del siglo XXI.
  • La predicción precisa y las soluciones efectivas siguen siendo un desafío.
  • Las predicciones existentes a menudo se basan en bases metodológicas estrechas.

Objetivo del estudio:

  • Revisar las perspectivas de diversos enfoques para anticipar y gestionar las consecuencias del cambio climático en la biodiversidad.
  • Introducir un marco para identificar la vulnerabilidad y diseñar respuestas de conservación.
  • Para resaltar la aplicabilidad del marco a través de varios niveles biológicos y entornos.

Principales métodos:

  • Revisión de las observaciones paleoecológicas.
  • Análisis de respuestas fenológicas y microevolucionarias recientes.
  • Integración de datos experimentales y modelos computacionales.

Principales resultados:

  • Diferentes enfoques ofrecen perspectivas únicas sobre los impactos del cambio climático en la biodiversidad.
  • Las especies exhiben diferentes grados de resiliencia natural.
  • Un marco integrado puede mejorar las evaluaciones de vulnerabilidad.

Conclusiones:

  • Una ciencia integrada emergente de la evaluación de la biodiversidad del cambio climático es crucial.
  • El marco propuesto apoya estrategias de conservación informadas.
  • El marco es aplicable a las especies, los ecosistemas, los hábitats, las comunidades y la diversidad genética a través de los reinos terrestres, marinos y de agua dulce.