Join Date: Feb 2010
Location: Narragansett Bay
Thanked 363 Times in 342 Posts
Rep Power: 9
An increase in any population, whether zebra muscles, plant life or humans, they change the current ecosystem. It's happened naturally throughout time, with or without human intervention.
You can't set the standard to have zero impact. For goodness sakes, all our sailing grounds were covered in ice at one time. Imagine if humans existed at the time and tried to maintain those conditions.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.