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Dark Earth
Dark earth in geology is a substratum, up to 1 meter (3.1 feet) thick, that indicates settlement over long periods of time. The material is high in organic matter, including charcoal, which gives it its characteristic dark colour; it may also contain fragments of pottery, tile, animal bone and other artefacts. It is interpreted as soil enriched with the sooty remains of thatched roofs from houses without chimneys, with other waste materials. In some areas it appears to give the soil added fertility. London's dark earth was originally called 'black earth' by archaeologists. It was renamed 'dark earth' because of confusion with the ''chernozem'' (black earth soils in Russia), whose dark colour is traditionally (not universally) thought to come from humus, rather than soot. Charred material as agricultural improver In the Hebrides, it was customary to remove the thatch from the "black houses" every spring, and spread it on the fields as fertilizer, improved by the soot which it r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geology
Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Earth sciences, including hydrology, and so is treated as one major aspect of integrated Earth system science and planetary science. Geology describes the structure of the Earth on and beneath its surface, and the processes that have shaped that structure. It also provides tools to determine the relative and absolute ages of rocks found in a given location, and also to describe the histories of those rocks. By combining these tools, geologists are able to chronicle the geological history of the Earth as a whole, and also to demonstrate the age of the Earth. Geology provides the primary evidence for plate tectonics, the evolutionary history of life, and the Earth's past climates. Geologists broadly study the properties and processes of E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Birka
Birka (''Birca'' in medieval sources), on the island of Björkö (lit. "Birch Island") in present-day Sweden, was an important Viking Age trading center which handled goods from Scandinavia as well as many parts of the European continent and the Orient. Björkö is located in Lake Mälaren, 30 kilometers west of contemporary Stockholm, in the municipality of Ekerö. Birka was founded around AD 750 and it flourished for more than 200 years. It was abandoned c. AD 975, around the same time Sigtuna was founded as a Christian town some 35 km to the northeast. It has been estimated that the population in Viking Age Birka was between 500 and 1000 people. The archaeological sites of Birka and Hovgården, on the neighbouring island of Adelsö, make up an archaeological complex which illustrates the elaborate trading networks of Viking Scandinavia and their influence on the subsequent history of Europe. Generally regarded as Sweden's oldest town, Birka (along with Hovgården) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portuguese Language
Portuguese ( or, in full, ) is a western Romance language of the Indo-European language family, originating in the Iberian Peninsula of Europe. It is an official language of Portugal, Brazil, Cape Verde, Angola, Mozambique, Guinea-Bissau and São Tomé and Príncipe, while having co-official language status in East Timor, Equatorial Guinea, and Macau. A Portuguese-speaking person or nation is referred to as " Lusophone" (). As the result of expansion during colonial times, a cultural presence of Portuguese speakers is also found around the world. Portuguese is part of the Ibero-Romance group that evolved from several dialects of Vulgar Latin in the medieval Kingdom of Galicia and the County of Portugal, and has kept some Celtic phonology in its lexicon. With approximately 250 million native speakers and 24 million L2 (second language) speakers, Portuguese has approximately 274 million total speakers. It is usually listed as the sixth-most spoken language, the third-most sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mende People
The Mende are one of the two largest ethnic groups in Sierra Leone; their neighbours, the Temne people, constitute the largest ethnic group at 35.5% of the total population, which is slightly larger than the Mende at 31.2%. The Mende are predominantly found in the Southern Province and the Eastern Province. The Mende are mostly farmers and hunters. Some of the major cities with significant Mende populations include Bo, Kenema, Kailahun, and Moyamba. Like a majority of African nations, Sierra Leone's political parties are often tied to specific ethnic groups and have been dominated by the Mende, on the one hand, and the Temne and their long-time political allies, the Limba people (Sierra Leone), Limba, on the other. The Mende are known to typically support the Sierra Leone People's Party (SLPP), while the Temnes and Limbas are associated with the All People's Congress party (APC). History Regional warfare throughout the 19th century led to the capture and sale of many M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loma People
The Loma people, sometimes called Loghoma, Looma, Lorma or Toma, are a West African ethnic group living primarily in mountainous, sparsely populated regions near the border between Guinea and Liberia. Their population was estimated at 330,000 in the two countries in 2010. They are closely related to the Mende people. The Loma speak a language in the Southwestern branch of the Mande languages, belonging to the Niger-Congo family of languages. The language is similar to the Kpelle, Mende, Gola, Vai, and Bandi languages. The Loma refer to their language as Löömàgòòi or Löghömàgòòi ). The Loma people, led by Wido Zobo and assisted by a Loma weaver named Moriba, developed a writing script for their language in the 1930s. This writing script contains at least 185 characters. The Mandinka, Koniaka, and Kissi refer to the Loma as ''Toma''. Loma refer to themselves as Löömàgìtì (, or Löghömagiti in Guinea). They have retained their Traditional Religion, and r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Front Ecol Environ
''Frontiers in Ecology and the Environment'' is a peer-reviewed scientific journal issued ten times per year, and consists of peer-reviewed, synthetic review articles on all aspects of ecology, the environment, and related disciplines, as well as short, high-impact research communications of broad interdisciplinary appeal. Additional features include editorials, commentaries, a letters section, Life Lines, job ads, and special columns. It is published by Wiley-Blackwell on behalf of the Ecological Society of America (ESA). According to the ''Journal Citation Reports'', the journal has a 2021 impact factor of 13.780, ranking it eleventh out of 279 journals in the category "Environmental Sciences" and fourth out of 174 journals in the category "Ecology". Aims and scope ''Frontiers in Ecology and the Environment'' is a benefit of membership of the ESA. International in scope and interdisciplinary in approach, ''Frontiers'' focuses on current ecological issues and environmental chall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Human Ecology (journal)
''Human Ecology: An Interdisciplinary Journal'' is a quarterly peer-reviewed academic journal covering research on human ecology. It was established in 1972 by Andrew P. Vayda. The editor-in-chief is Daniel G. Bates (City University of New York). Abstracting and indexing The journal is abstracted and indexed in: According to the ''Journal Citation Reports'', the journal has a 2017 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as i ... of 1.64. References External links * {{Official website, 1=https://www.springer.com/journal/10745 Human ecology Environmental social science journals Springer Science+Business Media academic journals Quarterly journals Publications established in 1972 English-language journals ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sierra Leone
Sierra Leone,)]. officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered by Liberia to the southeast and Guinea surrounds the northern half of the nation. Covering a total area of , Sierra Leone has a tropical climate, with diverse environments ranging from savanna to rainforests. The country has a population of 7,092,113 as of the 2015 census. The capital and largest city is Freetown. The country is divided into five administrative regions, which are subdivided into Districts of Sierra Leone, 16 districts. Sierra Leone is a constitutional republic with a unicameral parliament and a directly elected executive president, president serving a five-year term with a maximum of two terms. The current president is Julius Maada Bio. Sierra Leone is a Secular state, secular nation with Constitution of Sierra Leone, the constitution providing for the separation of state and religion and freedom of conscience (which includes freedom of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liberia
Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean to its south and southwest. It has a population of around 5 million and covers an area of . English is the official language, but over 20 indigenous languages are spoken, reflecting the country's ethnic and cultural diversity. The country's capital and largest city is Monrovia. Liberia began in the early 19th century as a project of the American Colonization Society (ACS), which believed black people would face better chances for freedom and prosperity in Africa than in the United States. Between 1822 and the outbreak of the American Civil War in 1861, more than 15,000 freed and free-born black people who faced social and legal oppression in the U.S., along with 3,198 Afro-Caribbeans, relocated to Liberia. Gradually developing an Americo- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guinea
Guinea ( ),, fuf, 𞤘𞤭𞤲𞤫, italic=no, Gine, wo, Gine, nqo, ߖߌ߬ߣߍ߫, bm, Gine officially the Republic of Guinea (french: République de Guinée), is a coastal country in West Africa. It borders the Atlantic Ocean to the west, Guinea-Bissau to the northwest, Senegal to the north, Mali to the northeast, Cote d'Ivoire to the southeast, and Sierra Leone and Liberia to the south. It is sometimes referred to as Guinea-Conakry after its capital Conakry, to distinguish it from other territories in the eponymous region such as Guinea-Bissau and Equatorial Guinea. It has a population of million and an area of . Formerly French Guinea, it achieved independence in 1958. It has a history of military coups d'état.Nicholas Bariyo & Benoit FauconMilitary Faction Stages Coup in Mineral-Rich Guinea ''Wall Street Journal'' (September 5, 2021).Krista LarsonEXPLAINER: Why is history repeating itself in Guinea's coup? Associated Press (September 7, 2021).Danielle PaquettH ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ghana
Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in the west, Burkina Faso in the north, and Togo in the east.Jackson, John G. (2001) ''Introduction to African Civilizations'', Citadel Press, p. 201, . Ghana covers an area of , spanning diverse biomes that range from coastal savannas to tropical rainforests. With nearly 31 million inhabitants (according to 2021 census), Ghana is the List of African countries by population, second-most populous country in West Africa, after Nigeria. The capital and List of cities in Ghana, largest city is Accra; other major cities are Kumasi, Tamale, Ghana, Tamale, and Sekondi-Takoradi. The first permanent state in present-day Ghana was the Bono state of the 11th century. Numerous kingdoms and empires emerged over the centuries, of which the most powerful were the Kingdom of Dagbon in the north and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Upper Guinean Forests
The Upper Guinean forests is a tropical seasonal forest region of West Africa. The Upper Guinean forests extend from Guinea and Sierra Leone in the west through Liberia, Côte d'Ivoire and Ghana to Togo in the east, and a few hundred kilometers inland from the Atlantic coast. A few enclaves of montane forest lie further inland in the mountains of central Guinea and central Togo and Benin. In the drier interior, the Upper Guinean forests yield to the Guinean forest-savanna mosaic, a belt of dry forests and savannas that lies between the coastal forests and the savannas and grasslands of the Sudan further north. The Dahomey Gap, a region of Togo and Benin where the Guinean forest-savanna mosaic extends to the Atlantic coast, separates the Upper Guinean forests from the Lower Guinean forests to the east, which extend from eastern Benin through Nigeria, Cameroon, and south along the coast of the Gulf of Guinea. The Upper Guinean forests are a Global 200 ecoregion. The Guinean moist fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
