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While the differential rate law relates the rate and concentrations of reactants, a second form of rate law called the integrated rate law relates concentrations of reactants and time. Integrated rate laws can be used to determine the amount of reactant or product present after a period of time or to estimate the time required for a reaction to proceed to a certain extent. For example, an integrated rate law helps determine the length of time a radioactive material must be stored for its...
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Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
07:41

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Published on: July 30, 2019

¿La tasa de consumo se escala de manera superlineal?

Henrique C Giacomini1, Brian J Shuter, Derrick T de Kerckhove

  • 1Department of Ecology and Evolutionary Biology, University of Toronto, 25 Harbord St., Toronto, Ontario M5S 3G5, Canada.

Nature
|February 1, 2013
PubMed
Resumen
Este resumen es generado por máquina.

La tasa de consumo (c) se escala superlinealmente con la masa corporal del consumidor (m) en espacios de búsqueda de alimento en 3D, pero no en 2D. Este hallazgo contradice la teoría establecida de la historia de la vida, lo que requiere nuevos estudios empíricos bajo condiciones naturales.

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Área de la Ciencia:

  • Ecología Ecología Ecología.
  • Biología Teórica Biología Teórica.
  • Dinámica de la red alimentaria Las dinámicas de la red alimentaria.

Sus antecedentes:

  • Pawar y otros. (2012) presentó ideas sobre el impacto del comportamiento de búsqueda de alimento en la dinámica de la red alimentaria.
  • Su análisis predijo una escala superlineal de la tasa de consumo (c) con la masa corporal (m) en espacios de forrajeo 3D, pero no 2D.

Objetivo del estudio:

  • Para abordar la inconsistencia entre Pawar y otros. 's hallazgos y estableció la teoría de la historia de la vida.
  • Para resaltar la necesidad de una mayor investigación reconciliando las predicciones teóricas con las observaciones empíricas.

Principales métodos:

  • El estudio evalúa críticamente las predicciones teóricas de Pawar et al. es el modelo.
  • Hace hincapié en la necesidad de nuevas investigaciones empíricas.

Principales resultados:

  • Se cuestiona la predicción de la escala superlineal (cm ^ 1.16) de la tasa de consumo con la masa corporal en espacios de forrajeo 3D.
  • Los autores argumentan que los hallazgos no están alineados con la teoría existente de la historia de la vida.

Conclusiones:

  • La conciliación entre la teoría de la búsqueda de alimento y la teoría de la historia de la vida requiere una mayor investigación.
  • Los estudios empíricos que examinan la tasa de consumo, el metabolismo y la dimensionalidad en condiciones naturales son cruciales.