‘Organic’ litter is not copacetic
September 19, 2018
As I clambered my way up the trail recently, I passed two languishing young women. One of them regarded her sandwich with distaste. "I am going to toss this. I know there is a squirrel who will appreciate it."
I cautioned, "We ask people not to feed the wildlife." As I walked off, one of them opined: "What does she know? She's hiking in a skirt!"
My sartorial preferences in trail wear aside, there appears to be a prevalent attitude that "organic" litter is copacetic. It will either evaporate into biodegradable thin air or somehow be devoured.
Does it vanish? At an outdoor education center, we set up a few experiments. We built a cage of chicken wire wide enough to allow small animals ingress and egress but small enough to keep items secure from wind. Therein we placed an apple core, a banana peel, orange peels, chewing gum and tissue paper. After six months, the orange peels had dried out, the banana peel was a distasteful black, and the tissue had collapsed into an inert mass. Nothing had rotted or been eaten.
What about interment? We commandeered a terrarium and entombed the same items, some in sand, some in organic soil. Six months later, everything was still recognizable.
Indeed, the venerable Leave No Trace organization has done experiments more sophisticated than mine. Banana peels can take as long as two years to decompose, while orange peels can linger up to six months. In an arid environment, orange peels, rather like King Tut's mummy, will last indefinitely. Citrus contains a natural insecticide: Even the ants won't touch orange peels. And chewing gum contains rubber, so it won't rot.
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But will not the timid woodland creatures enjoy my discards? Certainly at any rest stop on the trail, one is likely to see obese rodents waddling up and professing hunger.
But think about it: Do we eat banana peels or orange peels? We do not. So why would a squirrel? An apple core is edible, certainly, but if it is not part of the animal's daily diet, it can change the animal's biome to the point where it can no longer digest its normal food. Anyone who has experienced so-called "traveler's tummy" from a change in water or cuisine while vacationing can attest to this. Unless one is hiking through an apple orchard, apple cores are not a part of the local ecosystem.
Realistically, does a humble apple core really cause that much damage? Our national parks are enjoying a plethora of visitation. Grand Canyon welcomes 6 million people a year. It is estimated that 10 percent of visitors hike approximately a mile below the rim. Let us be generous and assume that 90 percent of these sightseers will carry out their trash. But that, for our purposes, presupposes that the remainder will toss, say, something like an apple core. That's 60,000 apple cores. We would be knee-deep in the execrable things.
So-called "empty calories," such as those that come from white bread, processed foods and sugar, are not good for us. Why should they be good for wildlife? Animals need some fat to survive winter, but excess adipose tissue is just as bad for them as it is for us. At Alaska's Denali National Park, there are signs asking people not to feed the marmots so they don't get too portly to escape from the grizzlies. (Meanwhile, of course, the grizzlies are watching, muttering, "Go ahead, feed them, already!")
Desert animals have a special difficulty. Many of these critters have no ready source of water: They get moisture from the food they eat. They cannot flush salt from their bodies, and excess salt will kill them.
Animals habituated to human food and, by association, humans, quickly become nuisances. Bears are the extreme example: They will rip off a car door to get at food. Smaller animals tear into packs and tents. Rodents carry hantavirus, rabies and tetanus. The ticks and fleas that inhabit their fur transport Rocky Mountain spotted fever, Lyme disease, relapsing fever and plague. I don't about you, but I don't want them cuddling up to me.
Animals that are fed by humans will not collect and store enough food for winter. When hiking season is over and the tourists leave, the animals face starvation.
The bottom line is, before we got here, the faunae did just fine on nuts, berries and occasionally each other. They do not need us.
Would the two young women who were tossing that sandwich have done so in their own living room? Certainly not. Then again, considering what my son's college dorm room looked like, perhaps I should not be so sure.
Marjorie "Slim" Woodruff is a contributor to Writers on the Range, the opinion service of High Country News. She hikes and works in the Grand Canyon.
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