Potamon Algeriense
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Potamon Algeriense
''Potamon algeriense'' is a freshwater crab found in North Africa. Systematics ''Potamon algeriense'' is a close relative of the European species ''Potamon fluviatile'', of which it was formerly considered a subspecies. Biogeography ''Potamon algeriense'' has a wide but patchy distribution across Tunisia (Jendouba, Béja, Kairouan and Gafsa Governorates), Algeria (Algiers, Médéa and Béjaïa Provinces) and Morocco (Kénitra and Fes Provinces). ''Potamon algeriense'' is the only member of the freshwater crab family Potamidae in mainland Africa, which is otherwise dominated by the family Potamonautidae. It is presumed to have arrived from Italy during the Messinian salinity crisis The Messinian salinity crisis (MSC), also referred to as the Messinian event, and in its latest stage as the Lago Mare event, was a geological event during which the Mediterranean Sea went into a cycle of partial or nearly complete desiccation (dr ... 5–7 million years ago. ''Potamon algeriense'' ...
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Freshwater Crab
Around 1,300 species of freshwater crabs are distributed throughout the tropics and subtropics, divided among eight families. They show direct development and maternal care of a small number of offspring, in contrast to marine crabs, which release thousands of planktonic larvae. This limits the dispersal abilities of freshwater crabs, so they tend to be endemic to small areas. As a result, a large proportion are threatened with extinction. Systematics More than 1,300 described species of freshwater crabs are known, out of a total of 6,700 species of crabs across all environments. The total number of species of freshwater crabs, including undescribed species, is thought to be up to 65% higher, potentially up to 2,155 species, although most of the additional species are currently unknown to science. They belong to eight families, each with a limited distribution, although various crabs from other families are also able to tolerate freshwater conditions ( euryhaline) or are secon ...
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Béjaïa Province
The Béjaïa Province ( Kabyle: ''Tawilayt n Bgayet''; ar, ولاية بجاية, Latn, ar, Wilāyat Bijāyah; french: wilaya de Béjaïa or ) is a province of Algeria in the Kabylie region. The province's capital city is Béjaïa, the terminus of the Béni Mansour-Bejaïa line. Gouraya National Park is located in Béjaïa Province. A population of an endangered primate species, the Barbary macaque, is found within the park; this primate has a severely restricted and disjunctive range.C. Michael Hogan. 2008''Barbary Macaque: Macaca sylvanus'', Globaltwitcher.com, ed. Nicklas Stromberg History The province was created from the Sétif (département) in 1974. Administrative divisions The province is divided into 19 districts (''daïras''), which are further divided into 52 ''communes'' or municipalities. Districts Communes # Adekar # Aït-Rizine # Aït-Smail # Akbou # Akfadou # Amalou # Amizour # Aokas # Barbacha # Béjaïa # Beni Djellil # Beni Ksila # Beni Mao ...
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Potamoidea
Potamoidea is a superfamily of freshwater crabs, comprising the two families Potamidae Potamidae is a family (biology), family of freshwater crabs. It includes more than 650 species and nearly 100 genera, which are placed into two subfamilies: Potaminae and Potamiscinae. Subfamily Potaminae The Potaminae Ortmann, 1896 are distrib ... and Potamonautidae. Two previously recognised families, Deckeniidae and Platythelphusidae, are now treated as parts of the family Potamonautidae. References Crabs Arthropod superfamilies {{crab-stub ...
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Fauna Of Arabia
Fauna is all of the animal life present in a particular region or time. The corresponding term for plants is ''flora'', and for fungi, it is ''funga''. Flora, fauna, funga and other forms of life are collectively referred to as '' biota''. Zoologists and paleontologists use ''fauna'' to refer to a typical collection of animals found in a specific time or place, e.g. the "Sonoran Desert fauna" or the "Burgess Shale fauna". Paleontologists sometimes refer to a sequence of faunal stages, which is a series of rocks all containing similar fossils. The study of animals of a particular region is called faunistics. Etymology ''Fauna'' comes from the name Fauna, a Roman goddess of earth and fertility, the Roman god Faunus, and the related forest spirits called Fauns. All three words are cognates of the name of the Greek god Pan, and ''panis'' is the Greek equivalent of fauna. ''Fauna'' is also the word for a book that catalogues the animals in such a manner. The term was first used by ...
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Messinian Salinity Crisis
The Messinian salinity crisis (MSC), also referred to as the Messinian event, and in its latest stage as the Lago Mare event, was a geological event during which the Mediterranean Sea went into a cycle of partial or nearly complete desiccation (drying-up) throughout the latter part of the Messinian age of the Miocene epoch, from 5.96 to 5.33 Ma (million years ago). It ended with the Zanclean flood, when the Atlantic reclaimed the basin. Sediment samples from below the deep seafloor of the Mediterranean Sea, which include evaporite minerals, soils, and fossil plants, show that the precursor of the Strait of Gibraltar closed tight about 5.96 million years ago, sealing the Mediterranean off from the Atlantic. This resulted in a period of partial desiccation of the Mediterranean Sea, the first of several such periods during the late Miocene. After the strait closed for the last time around 5.6 Ma, the region's generally dry climate at the time dried the Mediterranean basin out near ...
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Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical region. Italy is also considered part of Western Europe, and shares land borders with France, Switzerland, Austria, Slovenia and the enclaved microstates of Vatican City and San Marino. It has a territorial exclave in Switzerland, Campione. Italy covers an area of , with a population of over 60 million. It is the third-most populous member state of the European Union, the sixth-most populous country in Europe, and the tenth-largest country in the continent by land area. Italy's capital and largest city is Rome. Italy was the native place of many civilizations such as the Italic peoples and the Etruscans, while due to its central geographic location in Southern Europe and the Mediterranean, the country has also historically been home ...
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Potamonautidae
Potamonautidae is a family of freshwater crabs endemic to Africa, including the islands of Madagascar, the Seychelles, Zanzibar, Mafia, Pemba, Bioko, São Tomé, Príncipe and Sherbro Island. It comprises 18 extant genera and 138 extant species. Fossil remains dating from the Late Miocene period have been attributed to the family Potamonautidae. It comprises the following subfamilies and genera: ; Deckeniinae Ortmann, 1897 *'' Deckenia'' Hilgendorf, 1869 *'' Seychellum'' Ng, Števčić & Pretzmann, 1995 ; Hydrothelphusinae Bott, 1955 *'' Afrithelphusa'' Bott, 1969 *'' Boreas'' Cumberlidge & von Sternberg, 2002 *'' Globonautes'' Bott, 1959 *'' Hydrothelphusa'' A. Milne-Edwards, 1872 *'' Louisea'' Cumberlidge, 1994 *'' Madagapotamon'' Bott, 1965 *'' Malagasya'' Cumberlidge & von Sternberg, 2002 *''Marojejy'' Cumberlidge, Boyko & Harvey, 2002 *'' Skelosophusa'' Ng & Takeda, 1994 ; Potamonautinae Bott, 1970 *'' Erimetopus'' Rathbun, 1894 *''Foza'' Dai & Bo, 1994 *'' Liberonautes'' Bo ...
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Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area.Sayre, April Pulley (1999), ''Africa'', Twenty-First Century Books. . With billion people as of , it accounts for about of the world's human population. Africa's population is the youngest amongst all the continents; the median age in 2012 was 19.7, when the worldwide median age was 30.4. Despite a wide range of natural resources, Africa is the least wealthy continent per capita and second-least wealthy by total wealth, behind Oceania. Scholars have attributed this to different factors including geography, climate, tribalism, colonialism, the Cold War, neocolonialism, lack of democracy, and corruption. Despite this low concentration of wealth, recent economic expansion and the large and young population make Afr ...
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Potamidae
Potamidae is a family (biology), family of freshwater crabs. It includes more than 650 species and nearly 100 genera, which are placed into two subfamilies: Potaminae and Potamiscinae. Subfamily Potaminae The Potaminae Ortmann, 1896 are distributed around the Mediterranean Sea, on Socotra and eastwards to Northern India. *''Acanthopotamon'' Kemp, 1918 *''Alcomon'' Yeo & Ng, 2007 *''Himalayapotamon'' Pretzmann, 1966 *''Lobothelphusa'' Bouvier, 1917 *''Paratelphusula'' Alcock, 1909 *''Potamon'' Savigny, 1816 *''Socotra pseudocardisoma, Socotra'' Cumberlidge & Wranik, 2002 *''Socotrapotamon'' Apel & Brandis, 2000 Subfamily Potamiscinae The Potamiscinae Bott, 1970 are found in East Asia and Southeast Asia. *''Acartiapotamon'' Dai, 1999 *''Allopotamon'' Ng, 1988 *''Amamiku'' Naruse, Segawa & Shokita, 2004 *''Aparapotamon'' Dai & G. X. Chen, 1985 *''Apotamonautes'' Dai & Xing, 1993 *''Artopotamon'' Dai & G. X. Chen, 1985 *''Arquatopotamon'' Chu, Zhou & Sun, 2017 *''Aspermon'' Yeo & N ...
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Kénitra Province
Kenitra Province ( ar, إقليم القنيطرة) is a province in the Moroccan economic region of Rabat-Salé-Kénitra. Its population in 2014 is 1,067,435. It covers 3,052 square kilometers. The major cities and towns are: * Arbaoua * Kenitra * Lalla Mimouna * Mehdya * Moulay Bousselham * Sidi Allal Tazi * Sidi Taibi * Souk El Arbaa Subdivisions The province is divided administratively into the following: References Kénitra Province Kenitra Province ( ar, إقليم القنيطرة) is a province in the Moroccan economic region of Rabat-Salé-Kénitra. Its population in 2014 is 1,067,435. It covers 3,052 square kilometers. The major cities and towns are: * Arbaoua * Kenitr ...
{{RabatSaléKénitra-geo-stub ...
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Morocco
Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to the east, and the disputed territory of Western Sahara to the south. Mauritania lies to the south of Western Sahara. Morocco also claims the Spanish exclaves of Ceuta, Melilla and Peñón de Vélez de la Gomera, and several small Spanish-controlled islands off its coast. It spans an area of or , with a population of roughly 37 million. Its official and predominant religion is Islam, and the official languages are Arabic and Berber; the Moroccan dialect of Arabic and French are also widely spoken. Moroccan identity and culture is a mix of Arab, Berber, and European cultures. Its capital is Rabat, while its largest city is Casablanca. In a region inhabited since the Paleolithic Era over 300,000 years ago, the first Moroccan s ...
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Médéa Province
Médéa ( ar, ولاية المدية) is a province (''wilaya'') of Algeria. The capital is Médéa. Administrative divisions The province is divided into 19 districts (''daïras''), which are further divided into 64 ''communes'' or municipalities. Districts # Aïn Boucif # Aziz # Béni Slimane # Berrouaghia # Chahbounia # Chellalat El Adhaoura # El Azizia # El Omaria # Guelb El Kébir # Ksar El Boukhari # Médéa # Ouamri # Ouled Antar # Ouzera # Seghouane # Si Mahdjoub # Sidi Naâmane # Souaghi # Tablat Communes # Aïn Boucif # Aïn Ou Ksir # Aissaouia # Aziz # Baata # Benchicao # Beni Slimane # Berrouaghia # Bir Ben Laabed # Boghar # Bou Aiche # Bouaichoune # Bouchrahil # Boughezoui # Bouskene # Chahbounia # Chellalat El Adhaoura # Cheniguel # Damiat # Derrag # Deux Bassins # Djouab # Draa Essamar # El Azizia # El Guelbelkebir # El Hamdania # El Omaria # El Ouinet # Hannacha # Kef Lakhdar # Khams Djouamaa # Ksar Boukhari # Meghraoua ...
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