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Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses

Published on: July 2, 2012

A physiological perspective on fisheries-induced evolution.

Jack Hollins¹, Davide Thambithurai¹, Barbara Koeck¹

¹Institute of Biodiversity, Animal Health and Comparative Medicine University of Glasgow Glasgow UK.

Evolutionary Applications

|June 8, 2018

Summary

Fishing pressure drives evolutionary changes in fish, impacting not only size but also physiological traits. These fisheries-induced evolution (FIE) effects can alter fish populations and their ecological roles.

Keywords:

anthropogenic change ecophysiology fishing harvest‐induced selection metabolic rate

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Area of Science:

Ecology
Evolutionary Biology
Fisheries Science

Background:

Intense fishing pressure depletes fish stocks and induces evolutionary changes.
Fisheries-induced evolution (FIE) primarily focuses on size-selective mortality, altering body size and fecundity.
Traits beyond body size, particularly physiological ones, can influence fish vulnerability to capture and are overlooked in FIE.

Purpose of the Study:

To highlight the potential impact of fisheries-induced evolution on physiological traits in fish populations.
To explore how traits related to energy balance, swimming performance, neuroendocrinology, and sensory physiology may influence capture susceptibility.
To emphasize the need to consider these overlooked traits in understanding fisheries impacts.

Main Methods:

Review of existing evidence on fisheries-induced evolution.
Theoretical consideration of physiological traits' influence on capture vulnerability.
Analysis of potential evolutionary consequences of selection on these traits.

Main Results:

Physiological traits such as metabolic rate, aerobic scope, stress responsiveness, and visual acuity can affect an individual's likelihood of being caught.
Selection on these physiological traits can lead to significant shifts within fish populations.
These shifts have implications for population resource needs, resilience, distribution, and environmental change responses.

Conclusions:

Fisheries-induced evolution extends beyond body size to encompass crucial physiological traits.
Ignoring these physiological factors in FIE research provides an incomplete understanding of fisheries impacts.
Further research is needed to investigate the evolutionary consequences of fishing on these physiological traits and their broader ecological effects.