Extra-curricular activity: nature reserve stone steppe. Stone steppe Reserve stone steppe

Due to the plowing of primary virgin lands, deforestation, unregulated grazing of livestock in the remaining steppe areas, the destruction of animals and birds led to the shallowing of rivers, the removal of soil along with snow by winter winds, to the occurrence of hot dry winds in summer, and the death of crops.

Natural conditions of the Stone Steppe

Geographical position

Stone steppe is located to the east of the center Voronezh region, on the watershed of two rivers - Bityug and Khopra, which are left tributaries of the Don. There are two interpretations of the Stone Steppe, broad and narrow sense. So Professor N. Severtsov, a supporter of a broad interpretation, understood the entire watershed between the Bityug and Khoprom rivers as the Stone Steppe. Prof. A. M. Pankov included the south of the Bobrovsky and the west of the Novokhopersky districts of the Voronezh region into the territory of the Kamennaya Steppe. In a narrow interpretation, the Stone Steppe is understood as the steppe territories that lie south of the Talovaya station and Yu.-V. railway in the Bobrovsky district of the Voronezh region on the watershed of the Talovaya and N. Chigla (Chigolka) rivers.

Geological structure

Stone Steppe can be divided into two halves - eastern and western. Eastern half It is characterized by a powerful, strongly elevated occurrence of Cretaceous strata and a constant, little changed layer of boulder clay, the upper brown-yellow horizon of which does not contain boulders and serves as the parent rock for soils. The western half of the basin is deepened and filled with Tertiary rocks; moraine deposits here are processed by water and replaced by ancient deluvial red-brown boulderless clay; the parent rock for the soils here is boulderless loam.

Relief and hydrography

The highest heights of 214-216 m above sea level of the Stone Steppe are located in the eastern part, where the chalk layer forms an elevation. To the east of the watershed of the Talovaya and N. Chigla (Chigolka) rivers, a short and steep slope is formed, breaking off into the Talovaya beam, while the heights fall from 216 to 160 m. To the west, forming a sloping and long slope, and for more than 15 and kilometers of height gradually fall to 136 meters at the Ozerka gully. In addition, the Stone Steppe is surrounded by two hills: the watershed of Khoper and Don in the east and the Pridonskaya Upland in the southwest. From the north and north-west direction it is open. Such a relief contributes to a good blowing of the Stone Steppe. In connection with this relief, there is a corresponding location of the hydrographic network of the Stone Steppe. It is represented by two small rivers: Talovaya and N. Chigla, ponds, groundwater.

Soils

Ordinary chernozems were distinguished, corresponding to medium-humus and medium-thick formations, leached chernozems, in which the level of effervescence is somewhat lower relative to the humus horizon, and solonetsous chernozems. In terms of area, the largest area in the Kamennaya steppe is occupied by typical medium-thick chernozem, which is mainly confined to upland type of terrain. Also on this type of terrain is ordinary chernozem. These two types of soil account for 80% of the territory. On the slopes, there is ordinary chernozem, weakly and moderately washed away. These soils account for 5% of the territory. The remaining types of soils occupy a small part of the Stone Steppe, their location is associated with the microrelief and the level of moisture in the area. The thickness of normal chernozem soils, depending on the relief, ranges from 50 to 80-90 cm; stony and washed soils have little power; saline soils, especially those of an alluvial nature, are sometimes distinguished by considerable thickness.

Climate

1. Temperature. Characterized by large fluctuations. In winter down to -30°C. In summer up to +40°C. The sharpest jumps in temperature occur in May, when frosts occur to almost -10°C. This is even more pronounced in the temperature on the soil surface.
2. Precipitation. The cultural transformation of the Kamennaya Steppe has led to an increase in the humidity regime in the territory and, as a result, the amount of precipitation (mm / year) has increased. So from 1928 - 1978. they averaged 460 mm/g, and for the period from 1929-2007 already 484 mm/g. Within the year, precipitation shifted to the autumn-winter period (no vegetative plants). Years with anomalous precipitation have become more frequent. For example, in 2005, 683 mm/g fell; in 2006 - 610 mm / g. solid precipitation seen mainly in winter. Snow cover in Kam. The steppes are usually established in November, less often in early December; snow melts in late March or early April. Ravines, slopes, forests, lone bushes are the main collectors of snow reserves.
3. Wind regime. The stone steppe, in its eastern position and relatively flat open relief, is a territory highly exposed to winds. However, the presence of forest belts contributes to a significant weakening of wind speed (30-40%).

Flora and fauna

Forest belts up to 25 meters high are multi-tiered ecosystems. The upper tier consists of oak, maple, ash; under their canopy - linden, apple, pear; even lower - hazel, bird cherry, acacia. Near the ground, undergrowth of trees and shrubs - euonymus, honeysuckle, buckthorn. Oak is not sown here by itself. If you do not plant it artificially, after some time maple will take the place of oak. Although maple is a good tree for forest reclamation .. At the same time, among tens and hundreds of local forest belts, there are no two identical ones. Each represents a separate scientific experiment. Forest belts are different in width, exposure, species composition and other features.

The colonization of forest belts by birds began immediately after the planting of forest belts and lasted 50-60 years after their creation, which is why their numbers stabilized. Today, about 150 species of birds are found, and more than 100 species of birds nest (including: lark, gray heron, woodpecker, hawk, goshawk). Up to 30 species of mammals live here (including: wild boar, roe deer, badger, fox, marten, ferret, hare, hedgehog, hamster). Forest belts, together with later planted forest belts of neighboring farms, became a "bridge" between the original woodlands- Thorn forest and Khrenovsky forest, thereby expanding living spaces for living animals. The mole also contributed to the increase in the fertility of chernozems, mixing the soil, improving its water-physical properties and giving it the necessary structure. It was about such a land that V.V. Dokuchaev wrote: “Chernozem for Russia is more expensive than any oil, any coal, more expensive than gold and iron ore. It contains the age-old Russian wealth.”

According to scientists, the first settlements on this territory appeared in the 18th century. Before that, the place was absolutely free and untouched by man.

In the 19th century in the present territory Stone steppe (Voronezh region) started mass felling forests, forking fish and killing animals. As a result of such destructive actions, the land became infertile, and both rivers became sweet.

Drought and famine then awaited all the villages that were nearby. Since then, the name stone steppe.

Scientists led by V.V. could not allow the complete destruction of the territory. Dokuchaev. Beginning in 1892, they took up the work that saved Stone steppe. Voronezh region again was able to be proud of the beauty of their lands. Scientists planted several forest belts along beams and rivers. The creation of deposits was organized. These are, in fact, those plowed parts that should subsequently turn into fertile fields.

In 1996 Stone steppe of the Talovsky district of the Voronezh region received the status of a federal reserve.

Thousands of people come here every year to enjoy the clean air and incredible natural scenery of this place. Here you can meet dozens various kinds animals, hundreds of different birds. More than 800 species grow beautifully in the reserve various plants. Stone steppe (Talovaya) can be proud of numerous valuable objects, including Khorolskaya beam, Dokuchaevskoe sea and others.

Photo and video

The stone steppe is a nature reserve covering an area of ​​5232.00 hectares. It is located in the Voronezh region in the Talovsky district on the watershed of two rivers bearing the names of the Bityug and Khopra.

The first settlers in this area appeared at the beginning of the 18th century. At that time, there was an untouched steppe, partly occupied by forest belts. To late XIX century, due to deforestation, destruction of animals, plowing of virgin lands and grazing, the rivers became shallow, the land became barren, the climate changed: in summer - severe drought and dry winds, in winter - strong snowstorms. As a result, the fields of the peasants burned to the ground in the summer. In those years, due to droughts, a famine began, which claimed thousands of lives in the graves. Then the steppe was called among the people Stone.

In 1892, its restoration began thanks to scientists led by V.V. Dokuchaev. They proposed planting forest belts along fields, ravines and ravines, as well as along river banks, and a system of artificial ponds was created to mitigate the climate. Since 1885, the organization of deposits began. What is a deposit? This is a plowed piece of land (arable land), which was previously used, but then for several years, starting in autumn, was not cultivated and was not used for sowing crops to restore its fertility.

Since 1912, the deposits of the reserve have been in an untouched state to view the growth dynamics of the vegetation cover. And since 1996, the Stone Steppe received the status of a state nature reserve federal significance.

At present, the reserve is clean ponds, fields bordered by forest belts and untouched for more than a hundred years, deposits. Dozens of different animals, hundreds of bird species, more than 800 species of various plants live here, not counting those that were planted by people. Valuable natural objects and sights are: the landscape complex "Khorolskaya beam", the landscape complex "Sukhoprudnaya beam", the upper reservoir (Dokuchaevskoe sea), the system of old-growth Dokuchaev forest belts and a colony of marmots - marmots.

Sights of Voronezh

Stone steppe... Whoever hears this name for the first time imagines a harsh area, bypassed by the graces of nature. Many people come here from thousands of kilometers to see the opposite, to see this miracle in the steppe, to bow to the great human feat accomplished by a group of science enthusiasts and patriots of the Motherland.
Stone steppe is located in the south-east of the Voronezh region, on the watershed of the Bityug and Khopra rivers - the left tributaries of the Don. Just two hundred years ago, natural, untouched landscapes reigned here. After the abolition of serfdom, the intensified predatory plowing of land, cutting down the already scarce forests led to a decrease in the level of groundwater, shallowing of rivers, and the development of soil erosion processes. Droughts began to recur more often, which caused mass hunger strikes of the peasants. For dryness, barrenness, and even for the glacial boulders sticking out in the fields, the people called this steppe Stone.
In 1892, a group of scientists led by Vasily Vasilievich Dokuchaev, the great Russian scientist, the founder of the theory of soil, set about organizing an interesting and unusually bold experiment for that time. It was decided to remake the arid steppe in the most decisive way, to create such conditions on it that not only its further drying up, the formation of ravines and the washing off of black soil would stop, but its fertility would also be restored, the climate would become milder, and crops would be higher.
Dokuchaev considered the creation of protective forest belts and the construction of ponds as the basis for carrying out work to transform the nature of the Stone Steppe.
Now there is little left of the natural landscape of the Stone Steppe. Dokuchaev's wildest dreams came true. Here on the human-transformed lands of the Scientific Research Institute Agriculture The Central Black Earth Strip named after V.V. Dokuchaev created a unique natural complex to combat drought and soil erosion.
The green flowering oasis of the Stone Steppe is a prototype of what the entire black earth steppe zone should become.
During the work of the Dokuchaev expedition, and later by the work of two more generations of foresters, a unique system of protective forest plantations was created in the Stone Steppe, capable of protecting the Institute's experimental fields from adverse environmental factors.
The forest belts are noisy... The oldest of them are now over 80. Main breed the "king of the steppes" oak - twenty-five-meter trees slender as a candle. Common ash and Norway maple are not inferior to him in grandeur. But still, the oak in the steppe is the most best breed. It determines the longevity of the plantation.
The fallow, or virgin, areas that have survived to this day are extremely rare in the Chernozem Territory. All of them are unique natural monuments and should be carefully protected. Among them, a special place is occupied by the protected deposits of the Stone Steppe. These areas were once plowed up, and then were left in the "fallow land" in order to preserve the indigenous type of steppe vegetation. The oldest of them are now over a hundred years old.
The flora here is represented by more than 800 species of higher plants belonging to 75 families. Among them, taken under special protection all kinds of feather grass, tiled skewers (wild gladiolus), tulips, fine-leaved peony, Tatar katran, Don cinquefoil, spring adonis and a number of other plants.
Steppe reserves are beautiful in May-June, when plants bloom. The voices of birds merge with the buzzing of bumblebees, the buzzing of bees, the chirping of grasshoppers. Above all the flowers and herbs of the steppe, the legendary feather grass shimmers like gray waves. These are truly living museums and laboratories where a thoughtful scientist or just a nature lover can learn a lot about the past and present of the steppe.
earth mounds in steppe reserves- this is a trace of the burrowing activity of the mole rat. Unlike the insectivorous mole, the mole rat-rodent spends its entire life underground. With powerful incisors, he paves galleries of passages in the soil, pushing excess earth upside down. Like all rodents, mole rats are vegetarians. Their food is the roots and rhizomes of herbaceous plants. Year after year, lengthening the passages and filling up new mounds, mole rats loosen, turn over the upper layer, improving the structure of the soil, but at the same time making haymaking difficult. If a mole rat, for some reason known to him, changes the direction of his moves from fallows in the field, especially to experimental crops, he becomes a malicious pest.
In fallow areas of the Stone Steppe, earthen mounds are often found. large sizes than mole rat emissions. These are the remains of marmot butanes.
The marmot, or marmot, is a native representative of the steppe regions of our country, but due to the plowing of land, its habitat has been greatly reduced. In the Voronezh region, the groundhog lives in only two or three places, constantly endangered by humans, stray dogs, recent times and wolves.
Of the other typical steppes, there are now quite a few living on the fallows. rare birds - steppe harriers. These are the great friends of the grain grower. In hot sunny days you can watch for hours how harriers soar in the air in search of prey. And they hunt by ear. A mouse squeaks in the grass - falls like a stone high altitude harrier and often happens with prey. The harrier flies all day, catching mice and large insects to feed their gluttonous chicks.
Unmowed deposits are the only place in the Stone Steppe where short-eared owls nest, arranging their nests on thick vegetable felt.
Shrubs of the unmowed deposit - perfect place for nesting of the most common species of warblers - gray warblers, shrikes, shrikes and other birds.
For a long time there have been entire rook settlements in the forest belts, and all this time there is no rest from them for the breeders of the institute. But somehow, at once, in most plantations, rooks suddenly stopped settling. A marten appeared in the forest belts.
The organization of a regional geobotanical reserve in the Kamennaya Steppe made it possible to preserve here in in large numbers hares, foxes. And since 1979, work on the acclimatization of the pheasant has begun here.
The stone steppe has now become a place of real pilgrimage. In the last ten years alone, more than 30,000 tourists have visited here.