Savannah is a natural area - such areas are located near the equator, where the tropical forests end. The most extensive and famous of them are in Africa
However, there are similar zones on other continents:
- in northern Australia
- In South America
- in Asia there is savanna in India
Savannah in Venezuela
general characteristics
Savannas are climatic regions characteristic of higher tropical countries with a dry continental climate. Unlike true steppes, savannas, in addition to grasses, also contain shrubs and trees, sometimes growing as a whole forest, as, for example, in Brazil. Savannas have a lot in common with the steppe, which is located in temperate latitudes, both in terms of moisture regime and living conditions. As in the steppe zone, the inhabitants have to adapt to high air temperatures in one season and low rainfall in the dry season.
The herbaceous vegetation of savannas consists mainly of tall, tough-leathered grasses; mixed with the cereals are other perennial herbs and shrubs, and in damp places flooded in the spring, also various representatives of the sedge family. Shrubs grow in savannas, sometimes in large thickets, occupying an area of many square meters. Savannah trees are usually short-growing; the tallest of them are no taller than our fruit trees, which they are very similar to with their crooked stems and branches. Trees and shrubs are sometimes entwined with vines and overgrown with epiphytes. There are few bulbous, tuberous and fleshy plants in savannas. Lichens, mosses and algae are found in savannas only on rocks and trees.
Brazilian savannas are light, sparse forests where you can walk and drive freely in any direction; the soil in such forests is covered with herbaceous and semi-shrub vegetation up to 1 meter in height. In savannas of other countries, trees do not grow at all or are extremely rare and are very stunted. The grass cover is also sometimes very low, even pressed to the ground. At the end of dry seasons, fires often occur in savannas. Some plants are able to survive in such conditions, for example, the baobab is distinguished by a thick, fire-protected trunk that, like a sponge, can store water reserves. Its long roots absorb moisture deep underground. Acacia has a wide, flat crown that creates shade for the leaves growing below, thereby protecting them from drying out.
Many areas of the savannah are now used for cattle ranching, and wild life there has completely disappeared. However, in the African savannah there are huge national parks where wild animals still live.
general description
Savannas, or woodlands, are vast areas located in the subequatorial belt . Judging by the map, natural areas are common on all continents except Antarctica. Savannas are characterized by a relatively sharp change from the rainy season to the dry season, the presence of ferrallitic soils and the ground being covered predominantly by herbaceous vegetation with rare trees and shrubs.
The grass consists mainly of hard-skinned grasses that grow adjacent to subshrubs. Shrubs can grow in large thickets and occupy a large area. Savannah trees are short, usually with curved branches and trunks. You can often see moss and lichens on the bark.
Rare forests are found in Brazil. The ground here is covered with herbs and shrubs growing up to 1 meter in height, so you can move around easily and freely in such an area. The eucalyptus forests of Australia are somewhat reminiscent of the Brazilian savannas.
Many areas of the savannah are used by pastoralists, so it is impossible to meet wild animals there. But in Africa, where the savanna is the largest in area, special parks were created to preserve the animals’ natural habitat.
Geographical position
Savannah is characterized by a tropical and subequatorial climate . In terms of precipitation regime and natural conditions, savannas are similar to temperate steppes. They are characterized by seasonal precipitation: during the rainy season the temperature is high, during the dry season there is practically no precipitation.
The soil contains few nutrients; during the dry season it dries out, which quite often leads to fires, and during the rainy season it becomes swampy. The average annual temperature ranges from 20 to 30°C, the annual precipitation ranges from 254 to 762 mm. In South America, savannas are divided into 3 types: closed , chaco and lowland . The closed ones cover an area of 2 million km2 on the Brazilian Plateau and are characterized by different types of ecosystems: fields with no trees, fields with few trees and shrubs, woody savannas and savannas in which forest cover covers more than 50% of the area. The Chacos cover the territory of Bolivia, Paraguay and Argentina and cover an area of 1 million km2. Lowland savannas cover an area of 500 thousand km2 in Venezuela and Colombia.
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The savannah zone from northern Kenya to the sea coast of Angola is the largest plant community on our planet by area, occupying at least 800 thousand km2. If we add another 250 thousand km2 of the Guinea-Sudanese savanna, it turns out that more than a million square kilometers of the Earth’s surface are occupied by a special natural complex - the African savanna.
Threats
This ecoregion has been significantly damaged by humans in many ways. For example, local residents use the land for grazing, as a result of which the grass dies and the savanna turns into a barren, deserted area. People use wood for cooking and create problems for the environment. Some also engage in poaching (hunting animals illegally), which leads to the extinction of many species.
To restore the damage caused and preserve the natural environment, some countries have created nature reserves. Serengeti National Park and Ngorongoro Nature Reserve are UNESCO World Heritage Sites.
The African savanna is one of the largest wild habitats in the world, covering almost half the continent's area, about 13 million km². If it were not for the efforts made by people to preserve the savanna, a large number of representatives of the flora and fauna of this corner of nature would have already become extinct.
Temperature and climate of savannas
Tropical savanna biomes have two clearly defined seasons. As a rule, they are called the “winter” season and the “summer” season. These seasons are not accompanied by extreme rises and falls in temperature and are associated with seasonal differences. In fact, all tropical savannas are located in warm or hot climate zones, mainly in latitudes from 5 to 10 and from 15 to 20. The annual temperature ranges from 18 degrees to 32 degrees. The increase in temperature usually occurs very gradually.
Winter – dry season
Winter is the dry season in the tropical savanna biome. This season usually lasts from November to April. During this season, savannas typically receive an average of only four inches of rainfall. During most of this time, usually from December to February, there may be absolutely no rain in the savannahs. This is usually the coolest time of the year. The average temperature is about 21 degrees. The dry season is usually heralded by severe thunderstorms in October and subsequent strong winds that dry out the air and bring dry air masses. During January, at the height of the dry season, fires often occur in the savannahs.
During the dry season, many animals have to make long journeys in search of water and food. The dry season is the period of great migrations.
Summer is the rainy season
Blue Wildebeest (Connochaetes taurinus) in the shade of the huge Acacia Thorn Trees. Lowveld, Mpumalanga, South Africa (February 2009). Martin Heigan [email protected] https://anti-matter-3d.com https://www.flickr.com/photos/martin_heigan
The hot humidity of the rainy seasons in the savannas influenced the fact that this natural area began to be classified as tropical. Heavy rains
start in May or June. From May to October, the savannas receive the most rainfall (10 to 30 inches). Moist air, rising from the ground, encounters a cold atmosphere and rain occurs. In summer, in the afternoon, heavy and numerous precipitation falls in the savannas. Plants and animals of the savanna have adapted to living in semi-aquatic conditions during this time, and the porous soil of the savanna helps rain drain quickly. The rainy season is undoubtedly the best time of year in the savannah.
Seasonal effects
During the summer rainy seasons, the savannah has dense and lush grasslands. Many of the biome's inhabitants breed at this time, since mother's milk depends on a variety of herbs. During the dry season, many animals migrate, while others continue to feed on the grasses of the savannah, and in turn are eaten by carnivores. Savanna plants, with deep roots, fire-resistant bark and systems for carrying water during long dry periods, are specially adapted to survive the dry season.
Life in times of drought
During drought, large animals try to stay near a watering hole, but due to strong competition during this period, the struggle for survival becomes more fierce, which is different from the African steppe (savanna), photos of which are presented in this article. Small animals of the savannah, which are not capable of long movements in search of food and water, hibernate throughout the summer.
The African steppe is a place of unique ecosystems and diametrically opposed landscapes. Here, a serious struggle for survival is in absolute harmony with the amazing beauty of nature, while the richness of flora and fauna - with a real African flavor, as well as a surprisingly attractive exoticism.
nature
Soils
In savannas, soils are developed, collectively called red-brown; when distinguishing them into a special type, they use geographical characteristics, i.e. they include open areas with grassy cover. They are characterized by a greater or lesser content of humus from the decomposition of herbaceous vegetation, as a result of which such soils are rich in nutrients. In periodically moistened soils, in savannas, the processes of enrichment with sesquioxides occur more vigorously than in the red soils of tropical rainforests, and often lead to the formation of a shell, that is, a hard crust on the surface, or the fertile granular structure of the soil mentioned above.
In savannas, the sharp seasonality of precipitation is reflected in the processes of soil formation: during the rainy period, rapid and vigorous leaching of soil occurs, while in the dry period, due to the strong heating of the surface layers, the reverse process occurs - the rise of soil solutions. Therefore, humus accumulates to a greater extent in dry savannas and steppes with a long rainless period. Savannah soils, depending on the amount of precipitation and the duration of the dry period, are very diverse, forming transitions from lateritic and red-brown soils of cereal savannas to black and chernozem soils of dry savannas. Depending on the combination of climatic and soil conditions, as well as the topography, savannas are distinguished by a wide variety of plant communities and overall character aspects.
Main soil types
The soils of the formation are distributed within the Sahel zone, the Ethiopian Highlands and the East African Plateau, as well as in the arid regions of the Kalahari and Karoo. The soils of the formation occupy 6,262.2 thousand square meters. km. They are grouped by region based on the length of the dry season: about four months, more than four months and with a long dry season. Hydromorphic and semi-hydromorphic soils 752.2 thousand square meters. km.
The soils are red-brown, distributed in North Africa between longitudes 15° and 30° south of the zone of brown subarid tropical soils and north of ferruginous tropical soils, as well as in South Africa on the submontane plains west of the Drakensberg Mountains. Soils develop on ancient continental leveling surfaces in two-season climate zones with annual precipitation of 400–500 mm. In terms of humidity, the climate is arid, with an average annual temperature of + 19°, +22°, an average January temperature of +24°, +27°, and of July + 14°, +17°.
Red-brown soils, according to R. Mainen (1962), are characterized by a total profile thickness of not exceeding two meters. In the soil above there is a yellowish-grayish or brownish crust 1–2 cm thick, usually with a leafy structure. Under the crust, to a depth of 20 cm, there is a loose horizon with a reddish tint, clayey with a clearly defined nutty structure. At a depth of 50–100 cm, horizon B is red in color, denser, hardening, which indicates lateritism; the structure is coarsely flat and blocky. From about 100 cm, an ocher-colored horizon begins, lighter towards the bottom. At a depth of 200 cm, small carbonate nodules appear. The surrounding soil mass is not always carbonate.
The bases of red-brown soils are often washed away. Significant content of free iron. In terms of mechanical composition, the soils are dominated by fine sand and are characterized by an increase in clay content in the B horizon. The humus content is from 0.5 to 1%, and it decreases quite sharply downwards, which is also typical for ferruginous tropical soils. Mineralization of humus is quite fast. Red-brown eutrophic (saturated) soils are formed on outcrops of basic, mainly volcanic, rocks of Central Africa in the zone of ferruginous tropical soils.
Areas with red-brown soils are used as pastures; In addition, millet and peanuts are grown on them.
Relief
On the African continent, the zone of savannas and woodlands occupies the plateau of East Africa, the watershed plateaus of the Zambezi, Congo, Limpopo rivers, and certain areas of the high Kalahari plains.
In South America, savannas are found on the Brazilian and Guiana plateaus, the Gran Chaco plain, and in the Orinoco basin.
In Australia - on the northeastern plains.
Flora of the savannah
The life of the entire African savanna is directly dependent on the weather. During each period of drought, the savannah loses its brightness and turns into a sea of dried grass and sultry gloom. And after a few days of rain, nature becomes unrecognizable.
Savannah vegetation has adapted to the dry continental climate and long droughts and has a strongly xerophytic character. All grasses usually grow in tufts. The leaves of cereals are dry and narrow, hard and covered with a waxy coating. The foliage on the trees is small, protected from excessive evaporation. Many species are characterized by a high content of essential oils.
is typical of savannah grasses . It got its name because elephants love to eat its young shoots. In areas where the rainy season lasts longer, the height of grasses can reach three meters. During drought, the above-ground part of the shoot dries out and is often destroyed by fires, but the underground part of the plant is preserved and gives new life after rains.
elephant grass
The hallmark of the savannah is the baobab tree . The height of the tree reaches 25 meters, it is characterized by a thick (up to 10 meters in diameter) trunk and a huge spreading crown. And recently, a giant baobab was discovered in Africa, 189 meters high and with a trunk diameter at the base of 44 meters. These are long-lived trees, some reaching 4-5 thousand years old.
Baobab
The baobab blooms for several months, but each flower lives only one night. Flowers are pollinated by bats. Baobab is also called the “monkey tree” because its fruits are a favorite food for monkeys. A person in a baobab uses everything: he makes paper from the inner layer of the bark, eats the leaves, and gets a special substance adansonine from the seeds, which he uses as an antidote for poisoning.
Acacia savannas are also common in Africa. More common are Senegalese , whitish , giraffe acacia and other species. Due to its crown, which has a flattened shape, the acacia is called umbrella-shaped. The adhesives contained in the bark are widely used in industry, and the wood is used to make high-quality expensive furniture. The oil palm is also typical of the savannas of equatorial Africa . The lifespan of the plant is 80-120 years. The pericarp pulp contains up to 70% oil, which is used in soap making. By cutting the inflorescence, the sweet juice is obtained, from which palm wine is made.
Savannas of different continents differ in floristic composition, but are united by the similarity of characteristic features: the presence of a main herbaceous layer, with a predominance of xerophilic grasses and a rare upper layer of shrubs and trees growing in small groups or singly.
Lions
The main predator of the savannah, the king of beasts well known to all of us, is a beautiful and formidable lion. He poses a danger to almost all inhabitants of the places where he lives.
These predators prefer to live in prides (groups). They usually include adult females and males, as well as their offspring. In a pride, responsibilities are very clearly distributed: lionesses get food, and males protect the territory of the “family.”
Savanna fauna
The fauna of the savannah is a unique phenomenon. In no corner of the Earth in human memory has there been such an abundance of large animals as in the African savannas. Back at the beginning of the 20th century. Countless herds of herbivores roamed the vast savannahs, moving from one pasture to another or in search of watering places. They were accompanied by numerous predators - lions, leopards, hyenas, cheetahs. The predators were followed by carrion eaters - vultures, jackals.
The indigenous people of Africa have been hunting for a long time. However, as long as man was armed primitively, a kind of balance was maintained between the decline of animals and the increase in their numbers. With the arrival of white colonialists armed with firearms, the situation changed radically. Due to excessive hunting, the number of animals quickly decreased, and some species, such as the quagga , white-tailed wildebeest , and blue horse antelope, were completely exterminated. The fencing of private property, the construction of roads, steppe fires, the plowing of large areas and the expansion of cattle breeding have aggravated the plight of wild animals. Finally, the Europeans, unsuccessfully trying to fight the tsetse fly , staged a huge massacre, and more than 300 thousand elephants, giraffes, buffalos, zebras, wildebeest and other antelopes were shot from rifles and machine guns from cars. Many animals also died from plague brought with cattle. Now you can drive hundreds of kilometers through savannahs and not see a single large animal.
Ungulates
Among the many species of ungulates that inhabit the African savannas, the most numerous are the blue wildebeest, which belong to the subfamily of cow antelopes.
The appearance of the wildebeest is so unique that you recognize it at first sight: a short, dense body on thin legs, a heavy head, overgrown with a mane and decorated with sharp horns, and a fluffy, almost horse-like tail. Next to herds of wildebeest you can always find herds of African horses - zebras. Also characteristic of the savanna, but less numerous are gazelles - Thomson's gazelle, which can be recognized from a distance by its black, constantly twitching tail, and the larger and lighter Grant's gazelle. Gazelles are the most elegant and fastest antelopes of the savannah.
Blue wildebeest, zebras and gazelles form the main core of herbivores.
They are joined, sometimes in large numbers, by red, gazelle-like impalas.
Huge heavy elands
Outwardly awkward, but exceptionally fleet-footed kongoni , with a narrow long muzzle and steeply curved S-shaped horns.
In some places there are many grayish-brown long-horned waterbucks, relatives of the Kongoni - topi , which can be recognized by purple-black spots on the shoulders and thighs, swamp goats - medium-sized slender antelopes with beautiful lyre-shaped horns.
Rare antelopes, which can be found only by chance even in nature reserves, include oryx , whose long straight horns resemble a sword.
Mighty horse antelopes.
The inhabitants of the bush savanna are kudu . The horns of the kudu, twisted into a gentle spiral, are rightfully considered the most beautiful.
One of the most typical animals of the African savannah is the giraffe. Once numerous, giraffes became one of the first victims of white colonists: their huge skins were used to make roofs for carts. Now giraffes are protected everywhere, but their numbers are small.
Elephant with large tusks – Addo National Park
The largest land animal is the African elephant. Elephants that live in savannas are especially large - the so-called steppe elephants. They differ from forest animals by having wider ears and powerful tusks. By the beginning of this century, the number of elephants had decreased so much that there was a danger of their complete extinction. Thanks to widespread protection and the creation of reserves, there are now even more elephants in Africa than there were a hundred years ago. They mainly live in nature reserves and, forced to feed in a limited area, quickly destroy vegetation.
Even more fearful was the fate of the black and white rhinoceroses. Their horns, which are valued four times more than ivory, have long been a coveted prey for poachers. Nature reserves helped preserve these animals too.
Giraffe
These are amazing animals of Africa. It is impossible to imagine Savannah without these majestic beauties. Even children know their graceful gait and surprisingly long neck. Not everyone knows that the “name” of the giraffe translated from Latin means “camel-leopard”. Perhaps those who first met this handsome man decided that he was a cross between these animals. In addition to a long neck, the giraffe also has a very long tongue (up to 45 cm).
These giants are herbivores. They feed on tree leaves. Thanks to their high growth, they can reach young and succulent foliage. It is not very convenient for a giraffe to drink: you have to bend your legs. The long neck of this giant, like all mammals, has 7 vertebrae.
Predators
There are many predators in the African savannas. Among them, the first place undoubtedly belongs to the lion. Lions usually live in groups - prides, which include both adult males and females, and growing youth. Responsibilities between the members of the pride are distributed very clearly: the lighter and more agile lionesses provide the pride with food, and the larger and stronger males are responsible for protecting the territory. The prey of lions includes zebras, wildebeest, and kongoni, but on occasion, lions willingly eat smaller animals and even carrion.
The relationship between lions and another predatory animal of the African savanna – the spotted hyena – is very interesting. It was believed that the hyena feeds mainly on the leftovers from lions' meals, that it is cowardly, inactive and almost does not hunt on its own. Research in recent years has shown that this is not the case. It turned out that hyenas hunt at night (which is why they knew nothing about hyena hunting), that they easily kill even such large prey as wildebeest and zebra, and that it is not hyenas that “parasitize” lions, but lions on hyenas! Hearing the voices of the hyenas who have taken possession of the prey, the lions immediately rush there and drive away the hyenas. It happens that hyenas do not retreat and force the lion to leave. Experiments have shown that lions can be easily lured by playing a tape recording of a hyena roll call. By the way, only recently has it become reliably known that hyenas often attack people and are very dangerous.
Other predators of the savannah include the leopard and cheetah. These large cats, somewhat similar in appearance but completely different in lifestyle, have now become quite rare. The cheetah's main prey is gazelles, while the leopard is a more versatile hunter: in addition to small antelopes, it successfully hunts African wild pigs - warthogs and especially baboons. When almost all leopards were exterminated in Africa, baboons and warthogs multiplied and became a real disaster for crops. The leopards had to be taken under protection.
Fauna
Savannah animals were forced to adapt to survive in drought conditions. Large herbivores, such as giraffes, zebras, wildebeest, elephants and rhinoceroses, are able to travel great distances and, if a place becomes too dry, they go to where it rains and where there is a lot of vegetation. Predators such as lions, cheetahs and leopards prey on migrating herds of antelope or zebra. It is difficult for small animals to go in search of water, so they prefer to hibernate throughout the dry season.
Birds
African savannas are unusually rich in birds. The largest modern bird, the African ostrich, lives only in the savannah.
Trees are often completely covered with nests of weavers of many species, which, outside the breeding season, wander in flocks of thousands in search of food and often completely destroy the harvest of millet and wheat.
In the bush savannah, the relatives of our chickens are especially striking - guinea fowl , numerous species of doves, rollers, and bee-eaters. In open areas, lizards, snakes and locusts are hunted by the secretary bird and horned crows, restless clawed lapwings run, and larks and wheatears fly over.
In the air you can almost always see the buffoon eagle - a large, skinny predator that performs unexpected pirouettes in flight. Where thorny bushes form continuous thickets, dazzlingly bright birds—brilliant starlings—look for food. Finally, small olive-brown birds with a red beak climb on the backs of elephants, rhinoceroses and buffaloes, like nuthatches. These are buffalo birds, or wolves, which constantly accompany large animals, eating ticks and other parasites on them.
The fauna of the African savannah is of great cultural and aesthetic importance. Untouched corners with pristine rich fauna literally attract hundreds of thousands of tourists. Every African reserve is a source of joy for many, many people.
Elephants
When talking about what animals live in the savannah, one cannot fail to mention the steppe, or African elephants. They have powerful tusks and wide ears, unlike their Indian counterparts. Plus, they are much larger. These giants live in groups, each of which is led by a large female elephant.
Because of the value of their tusks, these huge animals were brought to the brink of extinction in the last century, and the threat remained until their destruction was banned. Nature reserves have played a huge role in protecting elephants.
Rhinoceros
Savannah animals can be proud that they live next to the largest land animal (after the elephant). This is a rhinoceros. Its weight reaches 2.2 tons, length - 3.15 m, height - 160 cm. Its name is not accidental. There really is a horn growing on his nose, huge and very sharp. Moreover, some individuals have two of them: one is very large, the other is slightly smaller. They are formed from hard, compressed hair. However, this is a very dangerous weapon.
These giants love water, swamps, and even more pleasure is given to them by mud, in which they can wallow to their heart's content during the rainy season. This way they escape the heat. The thick skin of a rhinoceros gathers into folds. He resembles an ancient knight dressed in armor. Birds can often be seen on its back. The giant is not against these guests, since they are his assistants. Birds clean the skin of rhinoceroses from various insects and ticks.
Rhinoceroses see poorly, but hear very well. Their sense of smell is even better developed. They find a familiar path to the lake by smell. Each rhinoceros has its own path. These huge animals feed on leaves, grass, and fruits fallen from trees. Having had enough, the rhinoceros goes to bed. He falls asleep so soundly that at this time you can get quite close to him. But if he suddenly wakes up, it’s better not to catch his eye: he’s quick-tempered and really doesn’t like being disturbed from resting.
Most often, rhinoceroses live completely alone. The exception is the African white rhinoceros, which grazes in small groups. The mother rhinoceros feeds her offspring (usually one cub) with milk for a year. Currently, the number of rhinoceroses has decreased significantly. Fortunately, they can still be seen in zoos.
Zebras
Another animal that lives on the African savannah is the cute striped zebra horse. Many people wonder why she needs such a bright color? Savannah animals have hair of certain colors not only to recognize each other from afar. Mainly it helps to deceive the attacking enemy. Let's say a zebra is attacked by a lion. Alone, she is clearly visible to a predator. What if she rushes to her herd? When there is a large concentration of animals, all the stripes merge, causing ripples in the eyes of the predator... Hunting becomes more difficult.
Striped horses eat grass. However, the life of savannah animals is not easy, and in search of watering places and pastures, they travel long distances across the hot savannah. Antelopes, giraffes, and ostriches often graze next to zebras. Such a large company helps to escape from enemies. Despite its harmless appearance, the zebra knows how to stand up for itself. She strives to strike the enemy with her forelimbs with hard hooves; a herd of these cute animals can even repel the attack of a lion. Zebras usually live in small herds; they gather into large herds only before a long journey. At the head of such a herd is an experienced and strong leader. Zebras are monogamous: they build their families once and for life.
The foal recognizes its mother by the stripe pattern. Interestingly, it never repeats itself. And so that the baby remembers his mother, she does not let anyone near him for several days after birth. When the cub grows a little, it is protected by all the zebras in the herd.
Leopards
Savannah animals are very different. Leopard is another predator from the cat family. This incredibly beautiful animal has a flexible, strong and at the same time very slender body. Thanks to its powerful limbs, it quickly overtakes its prey. Its strong body is covered with thick, but not fluffy, fur, which has a characteristic color: black spots on a light yellow background. This is excellent camouflage, making the leopard invisible among the grass and branches.
The leopard is naturally endowed with excellent vision, excellent hearing, and a keen sense of smell. He easily climbs tall trees and even prefers to take a nap there during the day, sitting comfortably on the branches. More often, the leopard hunts at night: it sneaks up on its prey so silently that not a single leaf crunches under its powerful body. And then a rapid rush follows - and the antelope, monkey or zebra has no chance to survive. The leopard drags the remains of its meal up a tree and hides it securely among the branches so that jackals or hyenas do not get it.
A leopard, regardless of its gender, has its own hunting territory. It is better for an uninvited guest not to enter it: he will face serious punishment. Leopards live more comfortably alone.
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Fires, unfortunately, are an integral part of savannas. However, despite the enormous destruction, they also bring benefits. During fires, dead grass burns and new growth appears. Most plants survive fires because they have a well-developed root system. Trees have thick bark, which allows them to protect themselves from critical damage during fires. Some animals burrow deep into the ground to survive fires, while others quickly leave the danger zone.
