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Cal Madow (also Calmadow, Al Madow, Al Medu, or Al Mado; ; ) is a
mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have aris ...
in
Somalia Somalia, officially the Federal Republic of Somalia, is the easternmost country in continental Africa. The country is located in the Horn of Africa and is bordered by Ethiopia to the west, Djibouti to the northwest, Kenya to the southwest, th ...
. It stretches across the area of
Sanaag Sanag (, ) is an administrative region ('' gobol'') in north eastern Somaliland.Regions of Somalia
Sa ...
. Its peak sits at almost in
Shimbiris Mount Shimbiris is the highest peak in Somaliland. It has an elevation of above sea level. It is located in the Ogo Mountains range in the Sanaag region. SRTM The Shuttle Radar Topography Mission (SRTM) is an international research effort th ...
, northwest of Erigavo. Cal Madow was a tourist destination in the late 1980s. The local population of the
Sanaag Sanag (, ) is an administrative region ('' gobol'') in north eastern Somaliland.Regions of Somalia
Sa ...
region is primarily responsible for preserving the habitat, which continues to face the risk of
deforestation Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. Ab ...
.


Ecology

The dense mountain forest sits at an altitude of between above
sea level Mean sea level (MSL, often shortened to sea level) is an mean, average surface level of one or more among Earth's coastal Body of water, bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical ...
, and has a mean annual rainfall of . In addition to rainfall, Cal Madow receives additional
precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull. The main forms of precipitation include drizzle, rain, rain and snow mixed ("sleet" in Commonwe ...
in the form of
fog Fog is a visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface. Reprint from Fog can be considered a type of low-lying cloud usually resembling stratus and is heavily influenc ...
and winter rains, which sustain isolated forests of '' Juniperus procera, Buxus hildebrandtii'', and others. Mist also appears to be important in the distribution of juniperus (''dayib''), one of the species locals use for timber. For timber production, the buxus (''dhoqos''), buxus and
celtis ''Celtis'' is a genus of about 60–70 species of deciduous trees, commonly known as hackberries or nettle trees, in the hemp family Cannabaceae. It has a cosmopolitan distribution. Description ''Celtis'' species are generally medium-sized tree ...
(''boodaar'') poles are cut from living trees in the
evergreen forest An evergreen forest is a forest made up of evergreen trees. They occur across a wide range of climatic zones, and include trees such as conifers and holly in cold climates, eucalyptus, live oak, acacias, magnolia, and banksia in more temperate zo ...
. The discovery of the
locust bean The carob ( ; ''Ceratonia siliqua'') is a Flowering plant, flowering evergreen tree or shrub in the Caesalpinioideae sub-family of the legume family, Fabaceae. It is widely cultivated for its edible fruit, which takes the form of seed pods, an ...
(''Ceratonia oreothauma''),
lavender ''Lavandula'' (common name lavender) is a genus of 47 known species of perennial flowering plants in the sage family, Lamiaceae. It is native plant, native to the Old World, primarily found across the drier, warmer regions of the Mediterranean ...
s and many other plant species has emphasized the many links the Cal Madow highlands have with the Mediterranean region. The Lamadaya waterfalls has one of the best-known sceneries in Cal Madow. Despite the current changes in land use, Cal Madow has internationally valuable unexploited mineral deposits and unique natural habitats. It is considered a key area for oil exploration, and has a
petroleum Petroleum, also known as crude oil or simply oil, is a naturally occurring, yellowish-black liquid chemical mixture found in geological formations, consisting mainly of hydrocarbons. The term ''petroleum'' refers both to naturally occurring un ...
system identical to, and formerly contiguous with, those within the Republic of
Yemen Yemen, officially the Republic of Yemen, is a country in West Asia. Located in South Arabia, southern Arabia, it borders Saudi Arabia to Saudi Arabia–Yemen border, the north, Oman to Oman–Yemen border, the northeast, the south-eastern part ...
. Florally, Cal Madow has approximately 1,000 plant species, 200 of which are only found on this mountain range. The flora of Somalia, much of which constitutes unique
genetic resources Genetic resources are genetic material of actual or potential value, where genetic material means any material of plant, animal, microbial genetics, microbial or other origin containing functional units of heredity. Genetic resources is one of the ...
, contains more than 3000 species of
vascular plant Vascular plants (), also called tracheophytes (, ) or collectively tracheophyta (; ), are plants that have lignin, lignified tissues (the xylem) for conducting water and minerals throughout the plant. They also have a specialized non-lignified Ti ...
s, and is thus much richer than that of the
Sahel The Sahel region (; ), or Sahelian acacia savanna, is a Biogeography, biogeographical region in Africa. It is the Ecotone, transition zone between the more humid Sudanian savannas to its south and the drier Sahara to the north. The Sahel has a ...
region in general. Of the 156 plant families observed in Somalia, about 21% are restricted to Somalia, while 11% are found in the south. Somalia houses a greater number of endemic plant species, many of which grow in the northern and eastern regions, notably in Cal Madow. Most of these species are herbs not found anywhere else in the world. Cal Madow and adjacent areas also have richer
fauna Fauna (: faunae or faunas) is all of the animal life present in a particular region or time. The corresponding terms for plants and fungi are ''flora'' and '' funga'', respectively. Flora, fauna, funga and other forms of life are collectively ...
than many other parts of
Horn of Africa The Horn of Africa (HoA), also known as the Somali Peninsula, is a large peninsula and geopolitical region in East Africa.Robert Stock, ''Africa South of the Sahara, Second Edition: A Geographical Interpretation'', (The Guilford Press; 2004), ...
, and harbor some of the rarest and most localized of Somali endemic animal species. Here, Warsangli linnet (''Carduelis johannis''),
pigeons Columbidae is a bird family consisting of doves and pigeons. It is the only family in the order Columbiformes. These are stout-bodied birds with small heads, relatively short necks and slender bills that in some species feature fleshy ceres. ...
(''acanthus olivae'') and golden-winged
grosbeak Grosbeak is a form taxon containing various species of seed-eating passerine birds with large beaks. Although they all belong to the superfamily Passeroidea, these birds are not part of a natural group but rather a polyphyletic assemblage of d ...
s can be observed, as can antelopes such as the beira (''dorcatragus megalotis''), and different
subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...
of
gazelle A gazelle is one of many antelope species in the genus ''Gazella'' . There are also seven species included in two further genera; '' Eudorcas'' and '' Nanger'', which were formerly considered subgenera of ''Gazella''. A third former subgenus, ' ...
s.


Botanical survey

In January 1995, a team of
botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...
s led by Dr. Mats Thulin of
Uppsala University Uppsala University (UU) () is a public university, public research university in Uppsala, Sweden. Founded in 1477, it is the List of universities in Sweden, oldest university in Sweden and the Nordic countries still in operation. Initially fou ...
in
Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
visited the Cal Madow range on behalf of the Flora of Somalia project based in
Uppsala Uppsala ( ; ; archaically spelled ''Upsala'') is the capital of Uppsala County and the List of urban areas in Sweden by population, fourth-largest city in Sweden, after Stockholm, Gothenburg, and Malmö. It had 177,074 inhabitants in 2019. Loc ...
. The study they conducted under the guidance of Somali Prof. Ahmed Warfa (Department of Botany and Range, Somali National University) constituted the most extensive botanical survey ever done in the area, with about eight new species of plants discovered in the process . Furthermore, the area houses an important
germplasm Germplasm refers to genetic resources such as seeds, tissues, and DNA sequences that are maintained for the purpose of animal and plant breeding, conservation efforts, agriculture, and other research uses. These resources may take the form of s ...
, which requires protection from
overexploitation Overexploitation, also called overharvesting or ecological overshoot, refers to harvesting a renewable resource to the point of diminishing returns. Continued overexploitation can lead to the destruction of the resource, as it will be unable to ...
and destruction by humans. On the basis of the recent botanical survey in Cal Madow, the team recommended that the local forest should be conserved as a
national monument A national monument is a monument constructed in order to commemorate something of importance to national heritage, such as a country's founding, independence, war, or the life and death of a historical figure. The term may also refer to a sp ...
, as it plays an important role in the mountain range's
ecosystem An ecosystem (or ecological system) is a system formed by Organism, organisms in interaction with their Biophysical environment, environment. The Biotic material, biotic and abiotic components are linked together through nutrient cycles and en ...
and represents a valuable
natural resource Natural resources are resources that are drawn from nature and used with few modifications. This includes the sources of valued characteristics such as commercial and industrial use, aesthetic value, scientific interest, and cultural value. ...
.


See also

*
Golis Mountains The Golis Mountains (Golis range, ) are a mountain range in Somaliland. Also known as ''Qar Golis'', they cut through the Togdheer region, and end near the Gan Libah. The original meaning of Golis Mountains is a mountain range near Golis mounta ...
* Cal Miskaad


Notes


References


Sources

*
Calmadow Trust

ECOTERRA Intl.
* {{Somaliland topics Mountain ranges of Somaliland Sanaag Somali montane xeric woodlands