![]() ![]() Only you can prevent forest fires! At least that’s what Smokey Bear taught me growing up. His message? All forest fires are bad, and we’re helping nature by putting them all out. Recently, I met a scientist who’s made me rethink this negative message about natural wildfires. His name is Dick Hutto and he’s a biology professor at the University of Montana. “There are two kinds of fires,” Dick explains. “The ones that burn down your house or kill your neighbor are bad, bad, bad. The other ones can be the greatest things in the world.” To prove his point, Dick took me to the Black Mountain burn area, near my home in Missoula, Montana. A severe forest fire burned through this area only ten years ago, and thousands of blackened trees still stand like sentries across the landscape. Surprisingly, this charred landscape explodes with life. Tens of thousands of new tree saplings reach for the sky. Elk and deer graze on the fresh grass growing in the newly-opened areas. More than anything, the songs of birds fill the burned forest. In his research, in fact, Dick discovered that dozens of bird species love fresh burn areas. In the West, 15 bird species prefer burned forests to all other habitats! Woodpeckers pave the way. As soon as a forest burns, legions of wood-boring beetles descend on the forest and lay their eggs in the dead trees. Three-toed, Hairy, and Black-backed Woodpeckers follow and begin devouring the newly-hatched beetle grubs. They also chisel out their own nest holes—holes that are used by Mountain Bluebirds, American Robins, Black-capped Chickadees, and many other species. Because of burned forests, these birds find food and shelter. They also find safety. How? Green forests abound with squirrels and chipmunks—animals that feast on bird eggs. A severe forest fire, though, clears out the small mammals. That means that birds can raise their young much more safely. But listen, don’t take my word for it—or even Dick Hutto’s. To learn more about the benefits of fire, throw a water bottle, lunch, a bird guide, and a pair of binoculars in your backpack and go visit a burn area for yourself. You will be astonished by what you see. Take a notebook or a camera along, too. Part of the fun of discovering our planet is sharing what you see. By doing so you’ll help others realize the importance of natural wildfires and burned forest—and help create a healthier, more interesting world. ![]() Sneed Collard III has written a book about the birds that thrive in burn areas. Fire Birds shows how dozens of bird species not only survive, but actually thrive in burned areas, depending on burns to create a unique and essential habitat that cannot be generated any other way. If you would like more information, click here to go to Sneed's website. If you click the Study Guide tab, you will find a guide that's been prepared for this book. MLA 8 Citation Collard, Sneed B., III. Weblog post. Nonfiction Minute, iNK Think Tank, 11 Oct. 2017, www.nonfictionminute.org/the-nonfiction-minute/rethinking-smokey-bears-message.
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![]() ![]() No one can honestly deny that our climate has been changing in recent years. Before the winter of 2018-2019, California had only a year’s water supply stored in its reservoirs. Wildfires have become an annual threat throughout much of the west, while the Midwest and East Coast have experienced record-setting winters. These problems are due to complex interactions among temperature, winds, and water currents. A major change is the warming of the atmosphere. The earth’s atmosphere has been getting warmer since the late 1800s, when factories started spewing out carbon dioxide. Because natural variations also affect the temperature, a graph showing the temperature over time is a jagged line. But the trend is consistently upward and follows the graph of increasing carbon dioxide in the atmosphere due to human activities. That’s strong enough evidence that we are at least a large part of the problem, and the vast majority of climate scientists are urging countries of the world to reduce their carbon dioxide emissions. A major player in the world’s weather is the jet stream, which helps circulate the atmosphere around the world about every two weeks. This flow of fast-moving air speeds across North America from west to east, separating cold arctic air from warmer, more southerly air. The jet stream used to run in a fairly direct arc across the northern United States. But in recent years it has become less stable, dipping southward in the eastern U.S. to bring frigid winters to the Northeast while arching northward in the West, carrying warm, dry air there. Scientists believe that the rapid melting of the Arctic ice brought about by global warming is part of the cause for the jet stream’s instability. However, climate trends are controlled more by the oceans. Scientists estimate 95% of the heat from global warming is being stored in the oceans, increasing water temperatures even into the depths. As global warming continues, so will climate change. The melting of sea ice and glaciers is already raising the sea level. While scientists don’t blame climate change for devastating Hurricane Sandy, Sandy’s extreme coastal flooding was made worse by the increase in sea level that’s already occurred. As time goes on, coastal cities around the world will be at increasing risk for more severe storm damage. Because warm air holds more moisture than cold air, storms are becoming more severe, increasing blizzards and flooding storms. Some agricultural regions that depend on reliable rainfall may soon be unable to grow crops, disrupting the food supply. Climate change is complicated, but because it affects us all, we need to learn about it. The Environment Protection Agency has questions and answers about climate change. ![]() Yellowstone National Park’s majestic geologic wonders and remarkable wildlife draw millions of visitors each year. But there was a time when these natural treasures were in great danger, all because after years of unrestricted hunting, one key piece of the puzzle had been eliminated—the wolf. Now, more than a decade after scientists realized the wolves’ essential role and returned them to Yellowstone, the park’s natural balance is gradually being restored. Dorothy Hinshaw Patent's text supplemented by spectacular full-color photographs show the wolves in the natural habitat that was almost lost without them. Click here to find out more. Dorothy Hinshaw Patent is a member of iNK's Authors on Call and is available for classroom programs through Field Trip Zoom, a terrific technology that requires only a computer, wifi, and a webcam. Click here to find out more. MLA 8 Citation
Patent, Dorothy Hinshaw. "Climate Change: The Facts and the Consequences." Nonfiction Minute, iNK Think Tank, 17 Apr. 2018, www.nonfictionminute.org/the-nonfiction-minute/ Climate-Change-The-Facts-and-the-Consequences. ![]() Have you heard about the “butterfly effect,” the idea that one small change can bring about big changes over time? This idea is important in the study of ecology, which deals with the interactions of living things and their environments. Each element of an ecosystem has its place. When one element is eliminated, it affects everything else. The Yellowstone ecosystem centered in Yellowstone National Park provides a great example. Late in the 20th century, biologists were worried about the aspen trees there. Aspens occur in clusters that are actually clones growing up from shared root systems. Some of the Yellowstone clones were hundreds of years old, but the old, dying trees weren’t being replaced by strong young shoots. It looked like they might just die out, and no one was sure why. When a severe drought in 1988 led to big wildfires in the park, the idea that fire might stimulate aspen growth proved wrong. Perhaps the elimination of wolves from the region in the early 20th century was to blame. Wolves? New trees? How could that be? Without wolves, the behavior of the Yellowstone elk had changed. No predators. No worry. So the elk became lazy, acting like cows, lying around in shaded areas along the rivers and creeks, munching contentedly on the juicy fresh growth of the willows and aspens. In 1995, after much political battling, wolves were reintroduced into Yellowstone. The wolf population grew and the elk learned to be on the alert. As the wolves’ favorite food, the elk had to change their behavior to survive—no more relaxing by a stream where wolves could easy sneak up and make a meal of them! They had to move around and spend more time in open places where watching for hungry wolves was far easier. The wolves are changing the Yellowstone landscape in positive ways. The aspens and willows are coming back. Beavers, which had almost disappeared from some parts of the park, are returning. These rodents feed on aspens and willows and use them to build their dams and lodges. Beaver dams create ponds, and the ponds provide homes for hundreds of species of plants and animals, from algae and water striders to ducks and muskrats. The willows and aspen trees around the pond are nesting sites for songbirds and homes for insects and spiders, all thanks to the wolf. Welcome back, wolves! ![]() Dorothy Hinshaw Patent's book, When the Wolves Returned: Restoring Nature's Balance in Yellowstone, is an IRA/CBC Teachers' Choices book, an ALA Notable Children's Book, A Book Sense Pick, and an Outstanding Science Trade Book for Children, as well as receiving the Orbis Pictus Honor Book Award. Booklist calls it "A great choice for elementary units about science and environmental protection," and Kirkus gave it a starred review. Click here to read the reviews. Dorothy Hinshaw Patent is a member of iNK's Authors on Call and is available for classroom programs through Field Trip Zoom, a terrific technology that requires only a computer, wifi, and a webcam. Click here to find out more. MLA 8 Citation
Patent, Dorothy Hinshaw. "Everything Is Connected: The Butterfly Effect and the Wolf." Nonfiction Minute, iNK Think Tank, 27 Mar. 2018, www.nonfictionminute.org/the-nonfiction-minute/ Everything-is-Connected-The-Butterfly-Effect-and-the-Wolf. |
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