027 Pollution in the Arctic

21 . 11 . 2017

Contributors


Mario Acquarone
Naturalist, Expedition Leader, Skipper, Educator
Chris Marquardt
Photographer, Author, Podcaster, Traveler, Educator

Mario Acquarone

Naturalist, Expedition Leader, Skipper, Educator

Chris Marquardt

Photographer, Author, Podcaster, Traveler, Educator

Notes

Some of the volatile man-made chemicals that are produced and used in temperate areas are transported to the polar areas by the natural circulation of water and air. Among these we have the Persistent Organic Pollutants abbreviated as POP's. Once arrived in the colder zones in the Arctic or the Antarctic these substances condense and are absorbed in the environment. On the ground or in the water these molecules often enter the food chain and bioaccumulate in the body or organisms throughout their life cycle as well as they are passed on to the next level through the food chain increasing in concentration: a phenomenon called biomagnification. Among these substances there are some which are directly poisonous in higher concentrations, but there are also others which are mimicking natural hormones. By taking the place of the original body molecules, and disrupting thus physiological functions, these endocrine disruptors can modify organ functionality like the reproductive cycle or body growth with dire consequences for the organism and the population.

026 Ny-Ålesund 78.56°N

14 . 11 . 2017

Contributors


Mario Acquarone
Naturalist, Expedition Leader, Skipper, Educator
Chris Marquardt
Photographer, Author, Podcaster, Traveler, Educator

Mario Acquarone

Naturalist, Expedition Leader, Skipper, Educator

Chris Marquardt

Photographer, Author, Podcaster, Traveler, Educator

Notes

In Svalbard there are few inhabited places and Ny Ålesund is one of them. The settlement which originally was a coal mining town has now become the main field hub for polar reseach.

025 Salmon Farming and Aquaculture

07 . 11 . 2017

Contributors


Mario Acquarone
Naturalist, Expedition Leader, Skipper, Educator
Chris Marquardt
Photographer, Author, Podcaster, Traveler, Educator

Mario Acquarone

Naturalist, Expedition Leader, Skipper, Educator

Chris Marquardt

Photographer, Author, Podcaster, Traveler, Educator

Notes

Aquaculture is a very lucrative business and salmon farming is definitely one of its most prominent sectors. In this episode we discuss salmon farming as it is practiced in Norway.

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