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Bergmann's Rule
Bergmann's rule is an ecogeographical rule that states that within a broadly distributed taxonomic clade, populations and species of larger size are found in colder environments, while populations and species of smaller size are found in warmer regions. Bergmann's rule only describes the overall size of the animals, but does not include body parts like Allen's rule does. Although originally formulated in relation to species within a genus, it has often been recast in relation to populations within a species. It is also often cast in relation to latitude. It is possible that the rule also applies to some plants, such as '' Rapicactus''. The rule is named after nineteenth century German biologist Carl Bergmann, who described the pattern in 1847, although he was not the first to notice it. Bergmann's rule is most often applied to mammals and birds which are endotherms, but some researchers have also found evidence for the rule in studies of ectothermic species, such as the ant ''L ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Michigan
, mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As of October 25, 2021. , president = Santa Ono , provost = Laurie McCauley , established = , type = Public research university , academic_affiliations = , students = 48,090 (2021) , undergrad = 31,329 (2021) , postgrad = 16,578 (2021) , administrative_staff = 18,986 (2014) , faculty = 6,771 (2014) , city = Ann Arbor , state = Michigan , country = United States , coor = , campus = Midsize City, Total: , including arboretum , colors = Maize & Blue , nickname = Wolverines , sporti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Global Warming
In common usage, climate change describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes to Earth's climate. The current rise in global average temperature is more rapid than previous changes, and is primarily caused by humans burning fossil fuels. Fossil fuel use, deforestation, and some agricultural and industrial practices increase greenhouse gases, notably carbon dioxide and methane. Greenhouse gases absorb some of the heat that the Earth radiates after it warms from sunlight. Larger amounts of these gases trap more heat in Earth's lower atmosphere, causing global warming. Due to climate change, deserts are expanding, while heat waves and wildfires are becoming more common. Increased warming in the Arctic has contributed to melting permafrost, glacial retreat and sea ice loss. Higher temperatures are also causing m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amazon Rainforest
The Amazon rainforest, Amazon jungle or ; es, Selva amazónica, , or usually ; french: Forêt amazonienne; nl, Amazoneregenwoud. In English, the names are sometimes capitalized further, as Amazon Rainforest, Amazon Forest, or Amazon Jungle. or Amazonia is a Tropical and subtropical moist broadleaf forests, moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This basin encompasses , of which are covered by the rainforest. This region includes territory belonging to nine nations and 3,344 formally acknowledged Indigenous territory (Brazil), indigenous territories. The majority of the forest is contained Amazônia Legal, within Brazil, with 60% of the rainforest, followed by Peruvian Amazonia, Peru with 13%, Amazon natural region, Colombia with 10%, and with minor amounts in Bolivia, Ecuador, French Guiana, Guyana, Suriname, and Venezuela. Four nations have "Amazonas (other), Amazonas" as the name of one of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Anthropologist
''American Anthropologist'' is the flagship journal of the American Anthropological Association (AAA), published quarterly by Wiley. The "New Series" began in 1899 under an editorial board that included Franz Boas, Daniel G. Brinton, and John Wesley Powell. The current editor-in-chief is Elizabeth Chin (ArtCenter College of Design). The journal publishes research articles from all four subfields of anthropology as well as book reviews and obituaries, and includes sections on Public Anthropologies, Multimodal Anthropologies, and World Anthropologies. The journal also maintains a website with essays, virtual issues, teaching resources, and supplementary material for print articles. Past editors F. W. Hodge (1899–1910) John R. Swanton (1911) F. W. Hodge (1912–1914) Pliny E. Goddard (1915–1920) John R. Swanton (1921–1923) Robert H. Lowie (1924–1933) Leslie Spier (1934–1938) Ralph Linton (1939–1944) J. Alden Mason (1945–1948) Melville J. Herskovits ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sub-Saharan Africa
Sub-Saharan Africa is, geographically, the area and regions of the continent of Africa that lies south of the Sahara. These include West Africa, East Africa, Central Africa, and Southern Africa. Geopolitically, in addition to the List of sovereign states and dependent territories in Africa, African countries and territories that are situated fully in that specified region, the term may also include polities that only have part of their territory located in that region, per the definition of the United Nations (UN). This is considered a non-standardized geographical region with the number of countries included varying from 46 to 48 depending on the organization describing the region (e.g. UN, WHO, World Bank, etc.). The Regions of the African Union, African Union uses a different regional breakdown, recognizing all 55 member states on the continent - grouping them into 5 distinct and standard regions. The term serves as a grouping counterpart to North Africa, which is instead ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eurasia
Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago and the Russian Far East to the east. The continental landmass is bordered by the Atlantic Ocean and Africa to the west, the Pacific Ocean to the east, the Arctic Ocean to the north, and by Africa, the Mediterranean Sea, and the Indian Ocean to the south. The division between Europe and Asia as two continents is a historical social construct, as many of their borders are over land; thus, in some parts of the world, Eurasia is recognized as the largest of the six, five, or four continents on Earth. In geology, Eurasia is often considered as a single rigid megablock. However, the rigidity of Eurasia is debated based on paleomagnetic data. Eurasia covers around , or around 36.2% of the Earth's total land area. It is also home to the largest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harrison Lake
Harrison Lake is the largest lake in the southern Coast Mountains of Canada, being about 250 square kilometres (95 mi²) in area. It is about 60 km (37 mi) in length and at its widest almost 9 km (5.6 mi) across. Its southern end, at the resort community of Harrison Hot Springs, is c. 95 km east of downtown Vancouver. East of the lake are the Lillooet Ranges while to the west are the Douglas Ranges. The lake is the last of a series of large north-south glacial valleys tributary to the Fraser along its north bank east of Vancouver, British Columbia. The others to the west are the Chehalis, Stave, Alouette, Pitt, and Coquitlam Rivers. At the north end of the lake is a small First Nations community of the In-SHUCK-ch Nation, Port Douglas, known in the St'at'imcets language as ''Xa'xtsa'' (ha-htsa). There are three hot springs along the shores of the lake or near it, including near Port Douglas, at Clear Creek, a tributary of Silver River, and a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Andes
The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S latitude), and has an average height of about . The Andes extend from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina. Along their length, the Andes are split into several ranges, separated by intermediate depressions. The Andes are the location of several high plateaus—some of which host major cities such as Quito, Bogotá, Cali, Arequipa, Medellín, Bucaramanga, Sucre, Mérida, El Alto and La Paz. The Altiplano plateau is the world's second-highest after the Tibetan plateau. These ranges are in turn grouped into three major divisions based on climate: the Tropical Andes, the Dry Andes, and the Wet Andes. The Andes Mountains are the highest m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yuki People
The Yuki (also known as Yukiah) are an indigenous people of California, whose traditional territory is around Round Valley, Mendocino County. Today they are enrolled members of the Round Valley Indian Tribes of the Round Valley Reservation. Before the arrival of Europeans, the Yuki called themselves "Ukomno'om," meaning "valley people." The exonym "Yuki" may derive from the Wintu word meaning "foreigner" or "enemy." Yuki tribes are thought to have settled as far south as Hood Mountain in present-day Sonoma County. History In 1856, the US government established the Indian reservation of Nome Cult Farm (later to become Round Valley Indian Reservation) at Round Valley. Language The Yuki language is not spoken as much but they are still teaching them in certain schools. It is distantly related to the Wappo language, forming the Yukian family with it. The Yuki people had a quaternary (4-based) counting system, based on counting the spaces between the fingers, rather than the fing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sami People
Acronyms * SAMI, ''Synchronized Accessible Media Interchange'', a closed-captioning format developed by Microsoft * Saudi Arabian Military Industries, a government-owned defence company * South African Malaria Initiative, a virtual expertise network of malaria researchers People * Samee, also spelled Sami, a male given name * Sami (name), including lists of people with the given name or surname * Sámi people, indigenous people of the Scandinavian Peninsula, the Kola Peninsula, Karelia and Finland ** Sámi cuisine ** Sámi languages, of the Sami people ** Sámi shamanism, a faith of the Sami people Places * Sápmi, a cultural region in Northern Europe * Sami (ancient city), in Elis, Greece * Sami Bay, east of Sami, Cephalonia * Sami District, Gambia * Sami, Burkina Faso, a district of the Banwa Province * Sami, Cephalonia, a municipality in Greece * Sami, Gujarat, a town in Patan district of Gujarat, India * Sami, Paletwa, a town in Chin State, Myanmar * Sämi, a village in L� ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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