IELTS Recent Actual Test 2022 The Forgotten Forest | Morning Slot | Reading Passage 1 | 5 February 2022
"The Forgotten Forest"
Reading Passage 1
Found only in the Deep South of America, longleaf pine woodlands have dwindled to about 3 percent of their former range, but new efforts are under way to restore them.
THE BEAUTY AND THE BIODIVERSITY of the longleaf pine forest are well-kept secrets, even in its native South. Yet it is among the richest ecosystems in North America, rivaling tallgrass prairies and the ancient forests of the Paci0c Northwest in the number of species it shelters. And like those two other disappearing wildlife habitats, longleaf is also critically endangered.
In longleaf pine forests, trees grow widely scattered, creating an open, parklike environment, more like a savanna than a forest. The trees are not so dense as to block the sun. This openness creates a forest 1oor that is among the most diverse in the world, where plants such as many-1owered grass pinks, trumpet pitcher plants, Venus 1ytraps, lavender ladies and pineland bog-buttons grow. As many as 50 different species of wild1owers, shrubs, grasses and ferns have been cataloged in just a single square meter.
Once, nearly 92 million acres of longleaf forest 1ourished from Virginia to Texas, the only place in the world where it is found. By the turn of the 2lst century, however, virtually all of it had been logged, paved or farmed into oblivion. Only about 3 percent of the original range still supports longleaf forest, and only about 10,000 acres of that is uncut old-growth—the rest is forest that has regrown after cutting. An estimated 100,000 of those acres are still vanishing every year. However, a quiet movement to reverse this trend is rippling across the region. Governments, private organisations (including NWF) and individual conservationists are looking for ways to protect and preserve the remaining longleaf and to plant new forests for future generations.
Figuring out how to bring back the piney woods also will allow biologists to help the plants and animals that depend on this habitat. Nearly two-thirds of the declining, threatened or endangered species in the southeastern United States are associated with longleaf. The outright destruction of longleaf is only part of their story, says Mark Danaher, the biologist for South Carolina's Francis Marion National Forest. He says the demise of these animals and plants also is tied to a lack of 0re, which once swept through the southern forests on a regular basis. "Fire is absolutely critical for this ecosystem and for the species that depend on it," says Danaher.
Name just about any species that occurs in longleaf and you can 0nd a connection to 0re. Bachman's sparrow is a secretive bird with a beautiful song that echoes across the longleaf 1atwoods. It tucks its nest on the ground beneath clumps of wiregrass and little bluestem in the open under-story. But once 0re has been absent for several years, and a tangle of shrubs starts to grow, the sparrows disappear. Gopher tortoises, the only native land tortoises east of the Mississippi, are also abundant in longleaf. A keystone species for these forests, its burrows provide homes and safety to more than 300 species of vertebrates and invertebrates ranging from eastern diamond-back rattlesnakes to gopher frogs. If 0re is suppressed, however, the tortoises are choked out. "If we lose 0re," says Bob Mitchell, an ecologist at the Jones Center,
"we lose wildlife."
Without fire, we also lose longleaf. Fire knocks back the oaks and other hardwoods that can grow up to overwhelm longleaf forests. "They are 0re forests," Mitchell says. "They evolved in the lightning capital of the eastern United States." And it wasn't only lightning strikes that set the forest aflame. "Native Americans also lit fires to keep the forest open," Mitchell says. "So did the early pioneers. They helped create the longleaf pine forests that we know today."
Fire also changes how nutrients 1ow throughout longleaf ecosystems, in ways we are just beginning to understand. For example, researchers have discovered that frequent 0res provide extra calcium, which is critical for egg production, to endangered red-cockaded woodpeckers. Frances James, a retired avian ecologist from Florida State University, has studied these small black-and-white birds for more than two decades in Florida's sprawling Apalachicola National Forest. When she realised female woodpeckers laid larger clutches in the 0rst breeding season after their territories were burned, she and her colleagues went searching for answers. "We learned calcium is stashed away in woody shrubs when the forest is not burned," James says. "But when there is a 0re, a pulse of calcium moves down into the soil and up into the longleaf."
Eventually, this calcium makes its way up the food chain to a tree-dwelling species of ant, which is the red-cockaded's favorite food. The result: more calcium for the birds, which leads to more eggs, more young and more woodpeckers.
Today, 0re is used as a vital management tool for preserving both longleaf and its wildlife. Most of these 0res are prescribed burns, deliberately set with a drip torch. Although the public often opposes any type of 0re—and the smoke that goes with it—these frequent, low-intensity burns reduce the risk of catastrophic con1agrations. "Forests are going to burn," says Amadou Diop, NWF's southern forests restoration manager. "It's just a question of when. With prescribed burns, we can pick the time and the place."
Diop is spearheading a new NWF effort to restore longleaf. "It's a species we need to go back to," he says. Educating landowners about the advantages of growing longleaf is part of the program, he adds, which will soon be under way in nine southern states. "Right now, most longleaf is on public land," says Jerry McCollum, president of the Georgia Wildlife Federation. "Private land is where we need to work," he adds, pointing out that more than 90 percent of the acreage within the historic range of longleaf falls under this category.
Interest among private landowners is growing throughout the South, but restoring longleaf is not an easy task. The herbaceous layer—the understory of wiregrasses and other plants - also needs to be re-created. In areas where the land has not been chewed up by farming, but converted to loblolly or slash pine plantations, the seed bank of the longleaf forest usually remains viable beneath the soil. In time, this original vegetation can be coaxed back. Where agriculture has destroyed the seeds, however, wiregrass must be replanted. Right now, the expense is pro-hibitive, but researchers are searching for low-cost solutions.
Bringing back longleaf is not for the short-sighted, however. Few of us will be alive when the pines being planted today become mature forests in 70 to 80 years. But that is not stopping longleaf enthusiasts. "Today, it's getting hard to 0nd longleaf seedlings to buy," one of the private landowners says. "Everyone wants them. Longleaf is in a resurgence."
The Forgotten Forest
Reading Passage Questions
Questions 1-5
Complete the notes below.
Write NO MORE THAN TWO WORDS for each answer.
Write your answers in boxes 1-5 on your answer sheet.
Forest fire ensures that:-
• Birds can locate their (1)........................ in the ground.
• The burrows of a species of (2)......................... provide homes to many other animals.
• Hardwoods such as (3)......................... can grow and outnumber long-leaf trees.
Apart from fires lit by lightning:-
• Fires are created by (4)............................ and settlers.
• Fires deliberately lit are called (5)............................
Questions 6-9
Complete the flow-chart below.
Write ONE WORD ONLY for each answer.
How to increase the number of cockaded woodpeckers
Calcium stored in (6)____________
⇓
Shrubs are burned. Calcium released into (7)______________ and travels up to the leaves.
⇓
a kind of (8)______________eats the leaves
⇓
Red-cockaded woodpeckers eat those a
⇓
The number of (9)_____________ increases
⇓
More cockaded woodpeckers
Questions 10-13
Do the following statements agree with the information given in Reading Passage 1?
In boxes 10-13 on your answer sheet, write
TRUE If the statement agree with the information
FALSE If the statement contradicts the information
NOT GIVEN If the information is not given in the passage
(10) The sparse distribution of longleaf pine trees leads to the most diversity of species.
(11) It is easier to restore forests converted to farms than forests converted to plantations.
(12) The cost to restore forest is increasing recently.
(13) Few can live to see the replanted forest reach its maturity.
The Forgotten Forest
Reading Passage Answer Key
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2. TORTOISE
3. OAKS
4. NATIVE AMERICANS
5. PRESCRIBED BUMS
6. SHRUBS
7. SOIL
8. ANT
9. EGGS
10. TRUE
11. FALSE
12. NOT GIVEN
13. TRUE
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