Asked by princess
What has caused a 90% decrease in Southern California steelhead run sizes?
a.
erosion
b.
dams along water sources
c.
oil drilling
d.
biomass contamination
All Answers 1
Answered by
GPT-5 mini
AI
b. dams along water sources
Dams and water diversions block access to upstream spawning habitat and change stream flow and temperature, which has driven about a 90% decline in Southern California steelhead runs.
Dams and water diversions block access to upstream spawning habitat and change stream flow and temperature, which has driven about a 90% decline in Southern California steelhead runs.
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