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Ever wondered how scientists unravel the ecological mysteries of bygone eras, long before systematic record-keeping? Believe it or not, one part of the answer is in pirate journals.

And no, I'm not joking.

Today, I have the privilege of hosting Dr. Loren McClenachan, an Associate Professor of Environmental Studies and History, and a Canada Research Chair in Ocean History and Sustainability at the University of Victoria. Throughout her career, Dr. McClenachan has been delving deep into historical marine ecology, unearthing ingenious ways to examine past ecosystems.

Our focus today? The intriguing concept of shifting baseline syndrome, a topic that we've only grazed the surface of in previous Nature's Archive conversations. In 2009, Dr. McClenachan authored a pivotal paper examining the dwindling sizes of recreational trophy fish off the Florida Keys. This study unveiled what seasoned anglers had long grasped—the once-plentiful colossal fish had become elusive.

Shifting Baseline Syndrome arises when your first interaction with an environment establishes your baseline—a perceived "natural" or "normal" state. Yet, this baseline could markedly differ from your grandparents'. And here's where the surprise sets in: the implications span conservation and society alike.

Dr. McClenachan helps explain these implications through a variety of eye-opening examples. And yes, you'll even discover how pirates play a part in this narrative.

FULL SHOW NOTES

People, Papers, and Organizations
3 billion birds lost
All of Dr. McClenachan’s publications
Anecdotes and the Shifting Baseline Syndrome of Fisheries (Pauly)
Daniel Pauly’s TED Talk
Documenting Loss of Large Trophy Fish from the Florida Keys with Historical Photographs (McClenachan)
Dr. McClenachan's Website
Ecology. Globalization, roving bandits, and marine resources
University of Victoria – history website; environmental studies website

Books and Podcasts
Nature’s Archive #57: Allen Fish – Raptor Migration from Hawk Hill

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Music: Spellbound by Brian Holtz Music
License (CC BY 4.0): https://filmmusic.io/standard-license
Artist site: https://brianholtzmusic.com

Discover the Jumpstart Nature Podcast - entertaining and immersive, it's the nature fix we all need.

Check past Nature's Archive episodes for amazing guests like Doug Tallamy, Elaine Ingham, and Gabe Brown, covering topics from bird migration to fungi to frogs and bats!