Wednesday, May 25th | 24 Iyyar 5782

February 19, 2020 8:15 am

Why Each Person in a Community Matters

avatar by Pini Dunner


A Torah scroll. Photo:

Just over 25 years ago, on January 12, 1995, an extremely controversial wildlife experiment was initiated at Yellowstone National Park.

Eight Canadian wolves were released into the park following a decision to reintroduce the species there after an absence of almost 70 years.

For countless centuries, wolves had thrived at Yellowstone, but relentless hunting and killing ultimately led to their complete local extinction.

Clearly, and perhaps understandably, no one in the late 19th and early 20th centuries valued the presence of wolves in the wild. At Yellowstone in particular, wolves were considered undesirable predators, and deliberately targeted and eventually extirpated by a combination of rangers and tourists.

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But once they were gone, the local ecosystem underwent a rapid and dramatic change.

Among other things, local elks multiplied exponentially, without any natural predators to keep their numbers in check. This, in turn, led to a deterioration of the local plant life and soil conditions.

Park rangers tried to cull the elk population to stem the plant and soil decline, but although they managed to halt the ecological deterioration, their actions inexplicably did nothing to repair the damage that had already occurred.

Eventually, it became evident that the problem required a different, out-of-the-box solution. In 1944, the respected conservationist and ecologist Aldo Leopold, who at one time had been a powerful advocate for predator reduction, suddenly changed direction.

In retrospect, Leopold wrote, the deliberate extermination of wolves at Yellowstone had been a tragic mistake. Swallowing his pride, he recommended their speedy reintroduction as the only way to ensure a return to healthy ecological balance.

Discussion back and forth continued for decades, but nothing was done, with the fear of the unknown deterring any concrete action. Although everyone now accepted that the lack of wolves at Yellowstone had created the problem, no one was confident that their reintroduction would reverse the decline their disappearance had precipitated.

But today, 25 years after local politicians and other stakeholders finally took the plunge and released those eight wolves into Yellowstone, the results are there for all to see.

Firstly, the wolf population is approximately 60, divided into eight separate packs. At its height, the number of wolves has reached over 100, but the present number is not something that worries local environmentalists, who see it as part of the natural ebb and flow of local flora and fauna.

But of far greater significance is how the reintroduction has affected everything else.

The elk population, as predicted, declined dramatically. However, that decline was almost double what had been expected. The elk decline has also resulted in some notable changes in local flora, and simultaneously their behavior has significantly changed under the pressure of constant predation; they have moved into less favorable habitats and their stress levels are quite elevated, so that both their nutrition and overall birth rate have noticeably suffered.

Local coyotes have also declined in number. Before 1995, Yellowstone was home to one of the densest coyote populations in America; by 1997, the pre-wolf population of coyotes was reduced by over 50%.

Meanwhile, coyotes had kept the fox population down, which means there has been a dramatic rise in fox numbers, as well as other coyote prey, such as hares and young deer, while small rodents and ground-nesting birds that foxes kill for food have all declined.

All this has disturbed the equilibrium for certain roots, buds, seeds, and insects, which in turn has altered the stability of local plant communities, and so it goes on all the way through to fungi and microbes.

As if this is not fascinating enough, Yellowstone’s beaver population has risen considerably. In 2001 there was one beaver colony, but within 10 years there were nine. As the elk scattered, local willows revived — and beavers need willow branches to survive the winter.

With all the extra beaver dams, the local watershed has changed, which in turn provides pools of water for local fish, in addition to increased habitat for moose, otters, mink, birds, and amphibians. Likewise, the rapid increase in the growth of berries has seen an increase in the grizzly bear population.

All in all, the remarkable effect on flora and fauna that has resulted from the reintroduction of a few wolves into a vast national park is a vivid example of the phenomenon known as trophic cascade, where the introduction of one species can have a remarkable knock-on effect on every other species where it lives and functions.

At Yellowstone, just to get it all into perspective, a small group of wolves just doing what wolves do has immeasurably impacted an area of roughly two million acres.

The Torah portion of Mishpatim begins with a discussion regarding indentured servants — Jews who must work off a debt by being sold or selling themselves into servitude for six years.

At the end of six years, they must leave their master, although if they insist on staying, they are brought before the court, and their ear is pierced to mark their refusal to go.

Rashi (Ex. 21:6) cites a startling Midrashic source to explain why someone who sells himself into servitude must have his ear pierced. In God’s own words: “The ear which heard … me say (Lev. 25:55) ‘for the children of Israel are My servants’ and yet its owner went and procured himself another master — let it be pierced!”

Later commentaries wonder why, if that is indeed the case, a servant’s ear is not pierced at the start of his servitude, as surely the same admonishment applies equally then.

But the answer is simple: although those who have done wrong must pay their debt through servitude, once that debt is paid, their absence from where they belong creates an environmental vacuum which will affect anyone who benefits from their presence — their family, their friends, and their community.

Opting out of a society that needs you for no other reason than that it seems convenient may cause untold harm and wreak colossal havoc in places you could never imagine.

The servant might think to himself “Who cares I’m just one guy?” but the knock-on effect sends ripples far and wide, and his selfish attitude fails to take into account what God wants from him, and what he should want for himself.

If there is anything we can learn from the wolves of Yellowstone, it is that our presence in the place we belong has importance way beyond anything we could ever imagine or calculate.

And if that doesn’t impact your sense of self-worth, I don’t know what will.

Rabbi Pini Dunner is the senior spiritual leader of the Beverly Hills Synagogue.

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