Anthropogenic Impacts: Pollution Flashcards
1
Q
What is pollution?
A
Pollution is the introduction of contaminants into the natural environment that cause adverse change
Can take form of chemical substances or energy (noise, heat, light etc.)
Can be either foreign substances/energies or naturally occurring contaminants
2
Q
What is a biomarker?
A
Generally refers to a measurable indicator of some biological state or condition
Good early warning indicators
3
Q
What biomarkers are used in fish?
A
Body condition index (BCI) - ratio of body mass/body length^3
Gonadosomatic index (GSI) - gonad mass/body mass
Measures of oxidative stress
Acetylcholinesterase activity
Gill Na+K+ATPase activity
