Yatir Forest ( he, יער יתיר) is a

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

on the edge of the

Negev The Negev or Negeb (; he, הַנֶּגֶב, hanNegév; ar, ٱلنَّقَب, an-Naqab) is a desert and semidesert region of southern Israel. The region's largest city and administrative capital is Beersheba (pop. ), in the north. At its southe ...

Desert. The forest covers an area of 30,000

dunam A dunam ( Ottoman Turkish, Arabic: ; tr, dönüm; he, דונם), also known as a donum or dunum and as the old, Turkish, or Ottoman stremma, was the Ottoman unit of area equivalent to the Greek stremma or English acre, representing the amount ...

s (), and is the largest planted forest in Israel.

History

Yatir Reservoire in Yatir Forest, Israel

The first trees were planted in 1964 by the

Jewish National Fund Jewish National Fund ( he, קֶרֶן קַיֶּימֶת לְיִשְׂרָאֵל, ''Keren Kayemet LeYisrael'', previously , ''Ha Fund HaLeumi'') was founded in 1901 to buy and develop land in Ottoman Syria (later Mandatory Palestine, and subseq ...

at the initiative of

Yosef Weitz Yosef Weitz ( he, יוסף ויץ; 1890–1972) was the director of the Land and Afforestation Department of the Jewish National Fund (JNF). From the 1930s, Weitz played a major role in acquiring land for the Yishuv, the pre-state Jewish community ...

. It is named after the ancient

Levite Levites (or Levi) (, he, ''Lǝvīyyīm'') are Jewish males who claim patrilineal descent from the Tribe of Levi. The Tribe of Levi descended from Levi, the third son of Jacob and Leah. The surname ''Halevi'', which consists of the Hebrew defi ...

city of Yatir. Over four million trees have been planted, mostly

coniferous trees Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All extan ...

- Aleppo Pine and

Cypress Cypress is a common name for various coniferous trees or shrubs of northern temperate regions that belong to the family Cupressaceae. The word ''cypress'' is derived from Old French ''cipres'', which was imported from Latin ''cypressus'', the ...

, but also many broad leafed trees such as Atlantic

terebinth ''Pistacia terebinthus'' also called the terebinth and the turpentine tree, is a deciduous tree species of the genus ''Pistacia'', native to the Mediterranean region from the western regions of Morocco and Portugal to Greece and western and s ...

tamarisk The genus ''Tamarix'' (tamarisk, salt cedar, taray) is composed of about 50–60 species of flowering plants in the family Tamaricaceae, native to drier areas of Eurasia and Africa. The generic name originated in Latin and may refer to the Tam ...

jujube Jujube (), sometimes jujuba, known by the scientific name ''Ziziphus jujuba'' and also called red date, Chinese date, and Chinese jujube, is a species in the genus ''Ziziphus'' in the buckthorn family Rhamnaceae. Description It is a smal ...

carob The carob ( ; ''Ceratonia siliqua'') is a flowering evergreen tree or shrub in the Caesalpinioideae sub-family of the legume family, Fabaceae. It is widely cultivated for its edible fruit pods, and as an ornamental tree in gardens and landscap ...

olive The olive, botanical name ''Olea europaea'', meaning 'European olive' in Latin, is a species of small tree or shrub in the family Oleaceae, found traditionally in the Mediterranean Basin. When in shrub form, it is known as ''Olea europaea'' ...

fig The fig is the edible fruit of ''Ficus carica'', a species of small tree in the flowering plant family Moraceae. Native to the Mediterranean and western Asia, it has been cultivated since ancient times and is now widely grown throughout the world ...

eucalyptus ''Eucalyptus'' () is a genus of over seven hundred species of flowering trees, shrubs or mallees in the myrtle family, Myrtaceae. Along with several other genera in the tribe Eucalypteae, including '' Corymbia'', they are commonly known as euca ...

and

acacia ''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus na ...

, as well as vineyards and various shrubs. Yatir Forest has changed the arid landscape of the northern Negev, despite the pessimism of many experts. It has proven to be a prime ecological instrument, halting the

desertification Desertification is a type of land degradation in drylands in which biological productivity is lost due to natural processes or induced by human activities whereby fertile areas become increasingly arid. It is the spread of arid areas caused by ...

on the heights northeast of Beersheba. The forest is situated at a relatively high altitude (between 400 and 850 metres

above sea level Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''. The comb ...

) in a

semi-arid A semi-arid climate, semi-desert climate, or steppe climate is a dry climate sub-type. It is located on regions that receive precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of semi-ar ...

region with an average yearly rainfall of and low

humidity Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity indicates the likelihood for precipitation, dew, or fog to be present. Humidity depe ...

. The ground is composed of hard

lime Lime commonly refers to: * Lime (fruit), a green citrus fruit * Lime (material), inorganic materials containing calcium, usually calcium oxide or calcium hydroxide * Lime (color), a color between yellow and green Lime may also refer to: Botany ...

rocks, and soft

chalk Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor. Chalk ...

rocks. The

Israel National Trail The Israel National Trail ( he, שביל ישראל, ''Shvil Yisra'el'') is a hiking path that was inaugurated in 1995. The trail crosses the entire country of Israel. Its northern end is at Dan, near the Lebanese border in the far north of the co ...

, marked in 1991 runs through the forest. Yatir forest is located on the trail south of

Meitar Meitar ( he, מֵיתָר) is a small local council north-east of Beersheba, in Israel's Southern District. The town lies on Highway 60 just south of the Green Line on the southern edge of Mount Hebron, alongside the Yatir Forest. Metar is 19 ...

and north of Arad.

Ecology research

Studies conducted in Yatir forest under the direction of Prof. Dan Yakir of the

Weizmann Institute of Science The Weizmann Institute of Science ( he, מכון ויצמן למדע ''Machon Vaitzman LeMada'') is a public research university in Rehovot, Israel, established in 1934, 14 years before the State of Israel. It differs from other Israeli unive ...

, in collaboration with the

Desert Research Institute Desert Research Institute (DRI) is the nonprofit research campus of the Nevada System of Higher Education (NSHE), the organization that oversees all publicly supported higher education in the U.S. state of Nevada. At DRI, approximately 460 rese ...

Sde Boker Sde Boker ( he, שְׂדֵה בּוֹקֵר, lit. ''Herding Field'') is a kibbutz in the Negev desert of southern Israel. Best known as the retirement home of Israel's first Prime Minister, David Ben-Gurion, it falls under the jurisdiction of Ram ...

, have shown that the trees function as a trap for carbon in the air. Shade provided by trees planted in the desert also reduces evaporation of the sparse rainfall. Yatir forest is also a part of the

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...

project FLUXNET, a global network of micrometeorological tower sites used to measure the exchanges of

carbon dioxide Carbon dioxide (chemical formula ) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature. In the air, carbon dioxide is transpar ...

water vapor (99.9839 °C) , - , Boiling point , , - , specific gas constant , 461.5 J/( kg·K) , - , Heat of vaporization , 2.27 MJ/kg , - , Heat capacity , 1.864 kJ/(kg·K) Water vapor, water vapour or aqueous vapor is the gaseous pha ...

, and energy between terrestrial ecosystems and the

atmosphere An atmosphere () is a layer of gas or layers of gases that envelop a planet, and is held in place by the gravity of the planetary body. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A s ...

. The

Arava Institute for Environmental Studies The Arava Institute for Environmental Studies (AIES) is an academic studies and research institute located at Kibbutz Ketura on the Israeli side of the Arava Valley. Under the motto that "nature knows no borders", AIES seeks to train future l ...

conducts research at Yatir forest that focuses on crops such as dates and grapes grown in the vicinity of Yatir forest. The research is part of a project aimed at introducing new crops into arid and saline zones.MERC Project M-20-0-18 project

Ecological herb and essential oil farm

The Yatir biological farm is located next to Yatir Forest near the village of

, northeast of

Beersheba Beersheba or Beer Sheva, officially Be'er-Sheva ( he, בְּאֵר שֶׁבַע, ''Bəʾēr Ševaʿ'', ; ar, بئر السبع, Biʾr as-Sabʿ, Well of the Oath or Well of the Seven), is the largest city in the Negev desert of southern Israel. ...

and the

Bedouin The Bedouin, Beduin, or Bedu (; , singular ) are nomadic Arab tribes who have historically inhabited the desert regions in the Arabian Peninsula, North Africa, the Levant, and Mesopotamia. The Bedouin originated in the Syrian Desert and A ...

town of

Hura Hura, or Houra ( he, חוּרָה, ar, حورة) is a Bedouin town in the Southern District of Israel. It is located near Beersheba and beside the town Meitar. The town was established in 1989 as a part of solution offered by the state for the ...

. The farm is based on

permaculture Permaculture is an approach to land management and settlement design that adopts arrangements observed in flourishing natural ecosystems. It includes a set of design principles derived using whole-systems thinking. It applies these principle ...

principles, and grows vegetables, fruits, olives and medical herbs. Medical tinctures and

essential oil An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the o ...

s are produced from the herbs and wild plants harvested in the desert, in cooperation with

Negev Bedouins The Negev Bedouin ( ar, بدو النقب, ''Badū an-Naqab''; he, הבדואים בנגב, ''HaBedu'im BaNegev'') are traditionally pastoral nomadic Arab tribes (Bedouin), who until the later part of the 19th century would wander between Sau ...

References

External links

Jewish National Fund websiteWeizmann Institute's Yatir Forest research groupFLUXNETWeizmann Institute study suggests that rising carbon dioxide levels might cause forests to spread into dry environments
{{Authority control Forest ecology Forests of Israel Jewish National Fund forests and parks Protected areas of Southern District (Israel)

History

Ecology research

Ecological herb and essential oil farm

See also

References

External links