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Mass Concreting01:22

Mass Concreting

Mass concreting refers to the process of placing large volumes of concrete, such as in gravity dams. The heat generated during the cement hydration process and differential cooling rates within the concrete mass can lead to a temperature gradient, which can result in thermal cracks in the concrete mass.
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EvoDevo and niche construction: building bridges.

Kevin N Laland1, John Odling-Smee, Scott F Gilbert

  • 1School of Biology, St. Andrews University, Fife, UK. knl1@st-andrews.ac.uk

Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
|August 30, 2008
PubMed
Summary

Evolutionary developmental biology (EvoDevo) and niche construction theory share common ground, emphasizing ontogeny and reciprocal causation. Integrating these fields offers a richer understanding of macroevolutionary variation and inheritance.

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Area of Science:

  • Evolutionary biology
  • Developmental biology
  • Niche construction theory

Background:

  • Evolutionary developmental biology (EvoDevo) and niche construction theory originated independently.
  • Both fields highlight the significance of ontogenetic processes in evolution.
  • Both faced similar historical and philosophical challenges.

Purpose of the Study:

  • To explore the commonalities between EvoDevo and niche construction.
  • To demonstrate the potential for mutual benefit and integration of these two perspectives.
  • To show how niche construction can bridge evolutionary and developmental biology.

Main Methods:

  • Comparative analysis of core tenets of EvoDevo and niche construction theory.
  • Identification of shared concepts such as reciprocal causation and emphasis on ontogeny.
  • Conceptual integration of EvoDevo and niche construction frameworks.

Main Results:

  • Both EvoDevo and niche construction emphasize ontogenetic processes and reciprocal causation.
  • Both identify a need for macroevolutionary variation theory, derivable from developmental biology.
  • Both acknowledge the role of extra-genetic inheritance and propose additional evolutionary mechanisms.

Conclusions:

  • EvoDevo and niche construction theory offer complementary insights into evolution.
  • Niche construction provides a framework for integrating evolutionary and developmental biology.
  • The synergy between these fields enhances understanding of macroevolutionary processes and inheritance.