I’m back in my art studio again, which means it’s documentary time! While I do very much love being outdoors (as we established in my last post), and nothing compares to the experience of being out in the wilderness, I do enjoy books and documentaries on various natural and scientific topics. The documentaries are a nice thing to have on while I’m working on artwork; I sometimes revisit old favorites, swapped up with new finds on Netflix and YouTube. I love re-watching the “Walking With” series about various dinosaurs and other prehistoric critters, even in spite of the factual errors here and there. I also found a neat BBC series on the evolution of plants, and I spent a while being completely fascinated by the history of the kings of Britain (a bit of latter-day human hierarchical behavior in action).
Most recently I watched The Secret of the Savannah, one of a four-part BBC series highlighting just a tiny bit of the intricate webbing of several complex ecosystems. In this episode the interconnection among the animals, plants, and even base chemical components of grasslands in the Americas, Africa, and Australia were explored, often with surprising results. For example, we know it’s critical to keep the white rhinoceros from going extinct. One of the many reasons is because it’s one of the very few animals that can live on nitrogen-poor “sour” grass. The rhino can process it enough that more nitrogen fixes and leads to “sweeter” grass, which allows other animals, such as antelope, to then live there and create an even more vibrant ecosystem. Similarly, maned wolves, ants, and a particular kind of fruit form a strong triangle of food and fertilizer, benefiting all three as well as others. And so on.
We have made a great career of ignoring these existing relationships that have developed over millions of years. We as a species have done more than our fair share of meddling with existing ecosystems. Few places have not lost native species or had invasives introduced by our hand. And until recently we hadn’t even thought of the effects of those changes.
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