They “start at the top,” and don’t mess around growing from the soil on the forest floor.• Taking advantage of the greater sunlight, air, and water in the treetops, the sapling quickly g
Trang 1FORESTS
Trang 2MARCH 2024
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MYSTERY PHOTO
Do you know what this is?
About the Cover
Forests are important to life on our planet
About 80% of all plant and animal life live
in forests
MISTERDIN/Shutterstock.com
BOARD OF ADVISORS ASSISTANT PROFESSOR OF GEOGRAPHY, CO-COORDINATOR TEXAS ALLIANCE FOR GEOGRAPHIC EDUCATION, TEXAS A&M UNIVERSITY
Sarah Witham Bednar
DIRECTOR (RETIRED), CURRICULUM FRAMEWORKS AND INSTRUCTIONAL RESOURCES OFFICE, CALIFORNIA DEPARTMENT OF EDUCATION
Carol Johnson Shedd
PROFESSOR OF EDUCATION REFORM, 21ST CENTURY CHAIR IN TEACHER QUALITY, UNIVERSITY OF ARKANSAS
Sandra Stotsky
DIRECTOR, AFRICAN STUDIES CENTER OUTREACH PROGRAM AT BOSTON UNIVERSITY
Barbara Brown
CO-COORDINATOR, ARIZONA GEOGRAPHIC ALLIANCE,
ARIZONA STATE UNIVERSITY
Gale Ekiss
See page 48 for the answer.
➜
EDITOR Elizabeth Crooker
SENIOR ART DIRECTOR Nicole Welch
DESIGNER arrison ugron
SVP EDUCATION PRODUCTS Laura Woodside
DIRECTOR OF CIRCULATION Barb lendenen
PERMISSIONS SPECIALIST Christine Voboril
ASSISTANT EDITOR ayley im
WISECRACKS AND WITTICISMS Colin Draun
Trang 3Check out our
online teacher’s guides at
WWW.CRICKETMEDIA.COM/ TEACHER-RESOURCES/
by Marcia Amidon Lusted
Lord of the Forest
Trang 4S ome forests are peaceful Others are enchanted
Many are in danger What makes a forest a forest? Read on to find out Here are five fascinating facts
to get you started.
2
HIGH FIVE
Established in 1914, New
Hampshire’s White Mountain
National Forest covers more
than 800,000 acres
Trang 51 orests are c assified into t ree different
t es orea forest a so no n as taiga is ocated t e fart est nort and e eriences ong co d inters tro ica forest e ists a ong t e e ator and as ig tem erat res and ong gro ing seasons
tem erate forest goes t ro g fo r distinct seasons so t e tem erat res ct ate
t ro g o t t e ear.
2 ne of t e most t reatened anima s on
t e anet is an ante o e ca ed t e sao a
(Pseudoryx nghetinhensis co sin to t e
co it is fo nd on in t e o and forests of t e nnamite o ntains in aos and ietnam o g
it as t o orns t e sao a is often ca ed t e sian nicorn eca se it is so rare cientists estimate
t at t ere ma e on individ a s a ive
3 ore t an of o r medicines come
from rainforest ants t e ave on
e ored of t e ants avai a e
edicines a so come from rainforest anima
so rces s c as green a gae from a s ot s ac sed to treat cancer and ma aria and sna e venom for ig ood ress re.
4 e a t e of sea eed can gro to
feet ong imi ar to a conifero s forest t at
is made of dense ac ed cone earing trees a e forest is made of dense ac ed e fronds ic gro in co d ocean aters iant
e is t e most common t e and t e argest sea eed on art
ed oods ive onger t an an ot er tree
s a from to ears e
o dest iving se oia is ca ed t e enera erman t stands feet ta from its ase to its to and eig s mi ion o nds.
3
In-tree-guing.
Trang 6AT A GLANCE
Leaves turn sunlight into food and seeds help create new trees The leaves and seeds look different depending on the species of tree.
Trang 75
Trang 8Life Cycle
In the dark Amazon forest, plants fight for light The strangler fig is one of the best competitors in the rainforest Read on
• Sticky strangler fig seeds are dropped by birds and fall into cracks
of a host tree’s bark in the treetops They “start at the top,” and don’t mess around growing from the soil
on the forest floor
• Taking advantage of the greater sunlight, air, and water in the treetops, the sapling quickly grows
STRANGLER FIG BRINGS LIFE AND DEATH TO THE AMAZON RAINFOREST
by Patty Claudio
he Amazon Rainforest in South America
is one of the most important forests in the world, and fig trees are one of the most important species in tropical rainforests Of the 150 fig species in the Amazon, one
of the most successful survivors is the strangler fig
If you’re thinking this species sounds a little scary,
you’re not wrong In Peru, strangler figs are called
matapalos (tree killers).
Trang 9FUN FACTS
» Another name for strangler figs is banyan trees indus consider them sacred because the Buddha once meditated beneath one
7
wasp benefit The wasps are about two millimeters long, and enter at the bottom of the fig fruit Once inside, they pollinate the flowers and also reproduce Without these special wasps, there would be no seeds
And without the figs, there would be
no wasps
Ecological Importance
Although they cause death to the host tree, strangler figs also provide life to many other animals in the rainforest
The nooks and crannies in its hollow trunk provide important habitat to insects, rodents, bats, reptiles, amphibians, and birds
Many scientists consider strangler figs a keystone species, an organism that helps hold a system together
This is because figs bear fruit several times a year Different species of figs fruit at different times so there is always a supply of food for various animals, even if other food is scarce
And once herbivores eat fruit, they become prey for predators in the
• Some leaves and branches reach
upward toward the light Other “aerial
roots” travel downward toward the soil
• As they grow downward, the roots
of the strangler fig wrap themselves
around the host tree They form a
criss-cross frame that completely surrounds
the host’s trunk
• Once the roots reach the ground,
the strangler steals the nutrients and
moisture that the host tree depended
upon for its survival
• Meanwhile, at the top of the tree,
the strangler fig’s own leaves spread
upward, overshadowing the host’s
crown The fig’s leaves take all of the
life-giving sunlight
• The host tree dies
• The strangler fig is now large and
strong enough to stand on its own Its
hollow trunk is the only clue that there
was ever a host tree
A Fig Is Born
If you think that being a destructive
parasite that kills its host is unusual,
things are about to get even weirder
Many fig species have a symbiotic
relationship with a tiny pollinator wasp
That means that both the fig tree and
rainforest food web
There are two other positive characteristics of the fig First, the species seems to be maintaining stable populations So, the International Union for Conservation (IUCN) does not list it
as being threatened or endangered Secondly, strangler figs anchor their host trees during tropical cyclones Thus, the killer fig can also act as a bodyguard
Though some of the strangler fig’s survival strategies are shady
by human standards, it is one of the most extraordinary and successful trees found in the forests
of South America
Banyan trees are considered sacred by those who follow the Hindu faith.
e roots of a strang er fig create
a criss-cross frame around its host
tree’s trunk
Trang 11By Kathy Rembisz
trees meet and form a shade, must cover at least 10 percent of the land below
In comparison, woods refer to an area of land covered by growing trees, but it is smaller than a forest This space does not have to meet the same requirements as a forest However, it can also have critters that inhabit the space A forest
It is not unusual that the words
“forest” and “woods” are often swapped, either in conversation or
in writing Although the two areas are similar in some ways, they have distinct differences For instance, a forest is at least 1.24 acres in size In
a forest, the trees are at least 16 feet tall The tree canopy, which is the layer overhead where the tops of
forest is a fascinating place, filled with trees and a variety
of interesting creatures, too
It is a mysterious spot, a land all its own, and it offers the potential for exciting adventures But what exactly makes a forest a forest?
FOREST LAYERS
Hiking is a popular
way to spend time
in the forest
Trang 12organisms Above the floor is the understory layer, located under the leaves but above the ground This layer may be damp, and plants here adapt to living in shady conditions The canopy layer of the forest is the area where the tree tops meet, forming a thick overhead curtain Just above the canopy is the emergent layer Here, gigantic trees poke out
generally has a thicker canopy cover,
while the density of trees in the woods
is sparser In many ways woods are a
miniature version of a forest
Different varieties of forests exist
throughout the world They fall into
the categories of boreal, temperature,
and tropical
A boreal forest, also known as
taiga, is located the farthest north and
experiences long, cold winters Boreal
forests span eight countries: Canada,
China, Finland, Japan, Norway, Russia,
Sweden, and the United States
In contrast to a boreal forest, a
tropical forest exists along the
equator and has high temperatures
and long growing seasons Tropical
forests can be found in Central and
South America, western and central
Africa, western India, southeast Asia,
Australia, and the island of New
Guinea The rainforest falls into the
category of a tropical forest
Finally, a temperate forest goes
through four distinct seasons, so the temperatures fluctuate throughout the year They exist in eastern North America, northeast Asia, and central and western Europe
Regardless of the type of forest or its geographical location, a forest is comprised of several layers First, there is the forest floor, a thick, rich carpet of soil, fungi, insects, and
The forest in the Oulanka National Park in Finland is an example of a boreal forest.
Tropical forests can be found in Southeast Asia
A walk in the woods? If it’s more than 1.24 acres in size with trees at least 16 feet fall, it’s a walk in the forest
A poplar place for a hike.
Trang 13In the temperate forest, you may encounter deer, squirrels, snakes, lizards, and turtles The European mink is an animal exclusive to this forest
A tropical forest is home to many interesting creatures There are sloths, eagles, gorillas, and frogs, for example The emperor tamarin, a quirky-looking species
of monkey that appears to have an elongated moustache, also lives in this type of forest
Any forest is an essential part
of the earth’s ecosystem A forest produces oxygen, serves as home
to many living things, and houses medicinal plants and ingredients, too Every forest plays an important role in keeping our waterways clean and healthy, as well But perhaps one of the greatest gifts
a forest provides is an inspiring, recreational area for all to admire, use, and enjoy
above the canopy, and this
layer is home to a variety
of birds and insects
Perhaps the most
exciting component of any
forest is the creatures that
nest there They are essentially
the faces of the forest, and they
can vary greatly depending upon
the location Inhabitants of each
type of forest adapt to the specific
temperatures and conditions of their
home so they may continue to survive
and thrive
Each type of forest can be filled
with animals, birds, reptiles, insects,
and other organisms
Species found in a boreal forest include moose, snowshoe hare, beaver, black bear, yellow perch, and northern pike At risk species such as caribou and wood bison live here, too The American marten, also known as American pine marten, is an animal unique
to the boreal forest
Fall foliage can be found in temperate forests, like this one in Czechia
Emperor Tamarin
European Mink
American Pine Marten
Trang 14by Patty Claudio
ight out of ten animals that live on land make their homes in forests Trees provide the air we breathe and the wood we use Though protecting our woodlands seems like a no-brainer, forests are being cut down at
an alarming rate for timber, mining, and growing crops Read on to find out about five species whose futures depend on the trees These fascinating animals are all critically
endangered and struggling to survive They are the tree kangaroo, giant panda, saola, orangutan, and African forest elephant
12
Trang 15Tree Kangaroo
These unusual koala/sloth/monkey/bear-like kangaroos live in
trees in the mountain forests of tropical New Guinea They are
marsupials (animals that carry their young in pouches) with arms
that are longer and stronger than their land-loving kangaroo
cousins Their movements in the trees are an odd mix of climbing
and hopping The tree kangaroo eats mostly leaves and fruit from
trees and the ground
Recently, a rare type of tree kangaroo, known as the wondiwoi
tree-kangaroo (Dendrolagus mayri) was rediscovered It was first
sighted in 1928 by a biologist who shot it and sent its pelt to a
London museum No other members of the species were found for
90 years Fast forward to 2018 Michael Smith, an Englishman who
traveled the world looking for rare plants, heard tales of the
mysterious animal and organized an expedition to search for it In
a dense bamboo forest, high in the mountains of Papua, his team
finally spotted the elusive tree kangaroo—90 feet up in a tree
Smith struggled to focus on it and shot it—with his camera, of
course (Note the improved research techniques since the “shoot
first, study later,” technique used 100 years ago.) Scientists hope to
return to collect dung or a small piece of ear tissue to extract DNA
and compare with DNA from the pelt collected in 1928
The future of the wondiwoi tree-kangaroo is uncertain, as there
is already a proposal for a gold mine in the park
Going out on
a limb here.
Trang 16Saola
One of the most threatened animals on the planet is
an antelope called the saola (Pseudoryx nghetinhensis)
A cousin to the cow, it is found only in the lowland
Annamite Mountains of Laos and Vietnam Though it
has two horns, the saola is often called the Asian
unicorn because it is so rare Scientists estimate that
there may be only 25 individuals alive
The saola was discovered in 1992, when a scientific
team was surveying the animals that lived in a nature
reserve on the Vietnam/Laos border While in the
home of a local hunter, a team member came across a
pair of horns that were unlike any others from
Southeast Asia Eventually, more horns ( from recent
kills) and a full skin were found and determined to be
a distinct species
Giant Panda
Like the tree kangaroo, the giant panda also makes its home in dense bamboo forests—not in Indonesia, but in the high, rainy mountains of south central China These quick facts may help you understand the panda
1 Pandas are BIG eaters Each day they fill their tummies for up to 12 hours, digesting about 26 pounds of bamboo (the main staple of their diets)
2 Panda’s scientific name, Ailuropoda
melanoleuca, means “black and white cat-foot.”
3 An adult female panda weighs 200 pounds
4 Sometimes male pandas relax by doing handstands against trees
5 Pandas play an important role in the bamboo forests by spreading seeds
14
Trang 17Orangutan
The name, orangutan (scientific
genus, Pongo), means “man of the
forest” in the Malay language This is fitting for the world’s largest tree-climbing mammal With arms longer than its legs and grasping hands and feet for climbing, orangutans are well adapted for life in the trees of Borneo and Sumatra Orangutans have long orange hair that sparsely covers their bodies, large jaws, and flat noses on their concave faces Like pandas, they are forest gardeners who spread seeds in their habitats
African Forest Elephant
African forest elephants (Loxodonta cyclotis) live in the dense rainforests of west and central Africa
Their ears are more oval-shaped, they have straighter downward-pointing tusks, and they are not as big as African savanna elephants Despite their “smaller” size (the mere height of a basketball hoop and the weight of an ambulance), they have huge appetites for fruits from many tree species Like pandas and orangutans, they are mega forest gardeners that help spread the seeds of many
rainforest trees to keep their habitats healthy and biodiverse The range of the African forest
elephant has shrunk from 3 million square miles to 1 million square miles since 1979, and poaching has killed 65% of their population from 2002-2013
FAST FACT
Kangaroo expert, Roger Martin, of James Cook University in Queensland Australia, has a
solution to help these threatened animals He suggests that “if we provide habitat for animals
and otherwise leave them alone, then they will get on just fine.” If only it were so simple
Trang 18THE PLIGHT OF THE
“I am the Lorax
who speaks for
the trees, which
Trang 19his is a story of yesterday, today, and tomorrow Over the past 100 million years, dense forests grew to cover more than half the Earth As humans began to
flourish, we cleared the forests for our own uses Today,
rainforests the size of 20 football fields are cut down every minute
At this rate, we will have no rainforests left at the end of the century, according to NASA
Trang 20What is a rainforest?
A rainforest is an area of tall trees that
gets 80 to 400 inches of rainfall a year
Also known as jungles, rainforests
contain thick, tangled canopies of
plants, vines, and small trees
Why are rainforests important?
➜ Rainforests are home to more than
half the known plant and animal
species on the planet When the
forests are cleared, they all die
➜ Trees help absorb the harmful
carbon dioxide in the atmosphere
and provide the oxygen that we
need to breathe
➜ More than 25% of our medicines
come from rainforest plants, but
we have only explored 1% of the
plants available Medicines also
come from rainforest animal
sources, such as green algae from
a sloth’s back to treat cancer and
malaria, and snake venom for high
blood pressure
➜ Rainforests soak up a
lot of rain, filter it through forest floors, and supply water to streams and rivers
They also help prevent erosion, which washes away soil and causes floods
➜ They are home to
indigenous people, native groups who lived in the rainforests before colonists came
Where are the rainforests?
Two of the largest rainforests are the Amazon Rainforest in South America and the Congo Rainforest in Africa
People of the Amazon Rainforest
The Yanomami (yah-no-mah-mee) are a group who live in the largest rainforest in the world—Brazil’s
Amazon Rainforest They are somewhat isolated groups of hunter-gatherers who cultivate small gardens
Families live in a yanos (large
community house) that circles a central area used for feasts, rituals, and games The Yanomami believe everyone is equal They make group decisions by having debates in which everyone gets a say
The Yanomami and rainforest are both threatened by mining,
deforestation, fires, and climate change Thousands of gold miners
Trang 21to make their living, but the demand for resources is getting greater with the increase of population.
Solutions
➜ Say no to foods that contain
palm oil Look at the labels
of cake, chocolate, margarine, and cosmetics
➜ Avoid buying mahogany,
rosewood, and ebony when you are buying furniture
➜ Eat less meat Rainforests are
being cleared to make room for grazing cattle so that we can eat beef burgers If we eat a bit less meat, that’s less pressure on the rainforest
➜ Plant trees!
➜ Support rainforest organizations.
➜ Talk about the rainforest with
your friends and family The more they know about this rich biome, the more they’ll want to protect it, too!
As the Lorax says, “unless someone like you cares a whole awful lot, nothing is going to get better It’s not.”
work illegally on Yanomami land
They cut down trees, transmit deadly diseases like malaria and measles, and pollute the rivers with mercury
Some Yanomami who live by gold mines have dangerously high levels of mercury in their bodies Cattle ranchers are cutting down trees to make pastures for grazing Land that
is cleared of trees is more likely to catch fire, which burns millions more acres of rainforest Warmer and dryer conditions brought on by climate change are making the fires even more devastating Finally, it is difficult for the government to make and enforce laws to protect the people in areas where natural resources are in such high demand
Elsewhere in the Amazon, dams cause flooding, block fish migration and the flow of nutrients, and further deforest the land
People of the Congo Rainforest
There are about 40,000 Mbuti living in the Congo Rainforest They are nomadic hunter-gatherers who make simple beehive-shaped structures using stick frames covered by leaves Mbuti pygmies hunt and use up resources in
an area, then move to a different settlement every two to four weeks
Their food supply is threatened by deforestation, mining, and political unrest The Congo Basin is loaded with natural resources such as wood, oil, minerals (diamonds, gold and coltan used to make cell phones) Trees are being cut down to make way for palm oil plantations, for use as timber,
Colorful toucans live in the
rainforest canopy of Central
and South America
A young Mbuti gets dabbed with clay
Welcome to the jungle Thousands of
different plants and animals live in
the rainforest of Central America
Medicine trails have been created to
highlight the plants and animals that
contain medicinal properties
These frogs, called dumpy frogs because
of the fat layers over their eyes and body,
thrive in tropical forests
Trang 22by Marcia Amidon Lusted
Trang 23winding path leads through stands of green bamboo, towering far above the heads of visitors The gentle wind causes the bamboo stalks
to sway, creating a gentle rustling, creaking sound that has been recognized by the Japanese government as an official “soundscape,” which is a sound particular to a specific place The sunlight filters through the bamboo, creating a greenish golden light This place feels magical, as if it belongs to another world But just a short walk away is the bustle and noise of the city of Kyoto The Arashiyama Bamboo Grove is one of the most popular places within Kyoto, and one of the most famous landscapes in the world.
Visitors make their way through the Arashiyama Bamboo Grove.
21
Trang 24feeling of walking in a large bamboo forest
The forest consists mostly of
mōsō bamboo, also called
tortoise-shell bamboo It is a type of giant bamboo that can grow up to 92 feet
(28 meters) high Mōsō bamboo is
one of the fastest-growing species
of bamboo in the world The bamboo forest has many tightly
The Arashiyama Bamboo Grove,
also known as the Sagano Bamboo
Forest, has been a landmark in
Kyoto since the 8th century, a time
when Japanese people began
vacationing in places that featured
a natural environment Bamboo
itself has also been important to
Japanese culture for a long time It
found its way into Japanese myths
and legends, often as a symbol for
the strength of warriors It is an
ingredient in many Japanese dishes
And it was also used to make tools
for homes and weapons for battle
But it became harder to find
bamboo forests, and today the
Arashiyama Bamboo Grove is one
of the few places in Japan where
people can experience the peaceful
You have to get up pretty early to avoid the crowds
as much as a foot
a day
Bamboo shoots are eaten with rice
Bamboo is used to make many
useful items, including whisks
Bamboo stems are durable and can be used to make musical instruments
Stalkers.
Trang 25there early on a weekday morning.Arashiyama is also one of the most photographed places in the world, and many visitors are busy taking pictures with their phones
to post on social media There have also been problems with tourists carving their initials into the stalks of the bamboo trees, damaging them and taking away from the beauty of the area.However, Arashiyama is still a place where humans can interact with nature’s sights and sounds
in a way that is different from anywhere else in the world It
is a good reminder that in the modern world, we all need more places to just relax and enjoy the natural environment around us
packed bamboo trunks that block out
bright light and create an overhead
canopy The forest covers six square
miles (16 square kilometers), and a
paved pathway with wooden railings winds through it The path begins at the Tenryu-ji Temple, travels steadily uphill,and ends at the top of a hill at the Okochi-Sanso Villa, once the home of a famous Japanese movie star
The popularity of the Arashiyama Bamboo Grove has made it difficult to find the peaceful connection to nature for which the grove was intended
Springtime, with its cherry blossoms, and autumn, with its beautiful foliage, make those the busiest times in the grove Tourists from all over the world, as well as Japanese people, crowd the paths
To experience the soundscape of the grove, it is necessary to get
Answer is
on page 48
Do you know where our friend Globey is enjoying his copy of FACES?
Here is a hint: Don’t get bent out of shape if you
don’t know where this forest is located
Trang 26The 177-foot kauri called Tāne Mahuta
is known as the Lord of the Forest.