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Related Experiment Video

Updated: Jun 5, 2026

At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques

At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques

Published on: February 11, 2020

Receding black moths.

P M Brakefield¹

¹Institute of Evolutionary and Ecological Sciences, Leiden University, PO Box 9516, 2300 RA Leiden, The Netherlands.

Trends in Ecology & Evolution

|January 18, 2011

Summary

This book explores melanism, a fascinating evolutionary process where organisms develop dark pigmentation. It details the genetic and environmental factors driving these changes in various species.

Area of Science:

Evolutionary Biology
Genetics
Zoology

Background:

Melanism, characterized by increased dark pigmentation, is a widespread phenomenon across diverse taxa.
Understanding the genetic basis and selective pressures of melanism is crucial for evolutionary studies.

Purpose of the Study:

To provide a comprehensive overview of melanism as a model for studying evolution in action.
To synthesize current knowledge on the causes, mechanisms, and consequences of melanism.

Main Methods:

The book synthesizes observational data, genetic analyses, and ecological studies.
It reviews case studies across insects, mammals, birds, and other animal groups.

Main Results:

Melanism results from various genetic mutations, often influenced by environmental factors like pollution and climate.

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Selective pressures, including predation and thermoregulation, play significant roles in the prevalence of melanistic forms.

Conclusions:

Melanism serves as a powerful, observable example of ongoing evolutionary processes.
Further research into the genetic architecture and adaptive significance of melanism continues to yield insights into evolutionary mechanisms.