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Argentine Espinal
The Espinal (NT0801) is an ecoregion of dry, thorny forest, savanna and steppe in Argentina. It has been extensively modified by large scale cattle ranching, but remnants of the original flora remain. It is threatened by the advance of the irrigation-based agricultural frontier. Location The espinal is a broad arc of arid land in the interior of Argentina to the north and west of Buenos Aires, extending from the northern Uruguay border west through Santa Fe to Cordoba and south to the Atlantic coast south of Bahía Blanca. It includes central Santa Fe Province, Córdoba Province and the northern part of San Luis Province. It has an area of . The name "''espinal''" (thorny) refers to the thorny deciduous shrubland forest of the region between the flooded wetlands along the Paraná River to the east and the Sierras de Córdoba to the west. The northern part of the ecoregion adjoins the Humid Pampas around Buenos Aires to the south, the Uruguayan savanna to the east, and the Hum ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lihué Calel National Park
Lihué Calel National Park ( es, Parque Nacional Lihué Calel) ( Mapudungun Lihue = "life" and Calel "mountainous area", "mountains of life") is a national park in Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ..., located in the Lihue Calel Department, in the center of La Pampa Province. The area is one of mountain plains and plateaux, and is known for its grass tussocks. The park covers 324 square kilometres, and was established in 1977. External links * National parks of Argentina Protected areas established in 1977 Protected areas of La Pampa Province {{Protected-area-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Santa Fe Province
The Province of Santa Fe ( es, Provincia de Santa Fe, ) is a province of Argentina, located in the center-east of the country. Neighboring provinces are from the north clockwise Chaco (divided by the 28th parallel south), Corrientes, Entre Ríos, Buenos Aires, Córdoba, and Santiago del Estero. Together with Córdoba and Entre Ríos, the province is part of the economico-political association known as the Center Region. Santa Fe's most important cities are Rosario (population 1,193,605), the capital Santa Fe (369,000), Rafaela (100,000), Reconquista (99,000) Villa Gobernador Gálvez (74,000), Venado Tuerto (69,000), and Santo Tomé (58,000). The adult literacy rate in the province is 96.3%. History The aboriginal tribes who inhabited this region were the Tobas, Timbúes, Mocovíes, Pilagás, Guaycurúes, and Guaraníes. They were nomadic, lived from hunting, fishing and fruit recollection. The first European settlement was established in 1527, at the confluen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jodina
''Jodina'' is a genus of flowering plants belonging to the family Santalaceae The Santalaceae, sandalwoods, are a widely distributed family of flowering plants (including small trees, shrubs, perennial herbs, and epiphytic climbersHewson & George t al.br>''Santalaceae'' taxonomy, 1984, pp. 191-194.) which, like other mem .... Its native range is Bolivia to Southern Brazil and Southern South America. . Species: * ''Jodina rhombifolia'' (Hook. & Arn.) Reissek References {{Taxonbar, from=Q9012339 Santalaceae Santalales genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mimosoideae
The Mimosoideae are a traditional subfamily of trees, herbs, lianas, and shrubs in the pea family (Fabaceae) that mostly grow in tropical and subtropical climates. They are typically characterized by having radially symmetric flowers, with petals that are twice divided (valvate) in bud and with numerous showy, prominent stamens. Recent work on phylogenetic relationships has found that the Mimosoideae form a clade nested with subfamily Caesalpinioideae and the most recent classification by ''The Legume Phylogeny Working Group'' refer to them as the Mimosoid clade within subfamily Caesalpinioideae. The group includes about 40 genera and 2,500 species. Taxonomy Some classification systems, for example the Cronquist system, treat the Fabaceae in a narrow sense, raising the Mimisoideae to the rank of family as Mimosaceae. The Angiosperm Phylogeny Group treats Fabaceae in the broad sense. The Mimosoideae were historically subdivided into four tribes (Acacieae, Ingeae, Mimoseae, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 name is New Latin, borrowed from the Greek (), a term used by Dioscorides for a preparation extracted from the leaves and fruit pods of '' Vachellia nilotica'', the original type of the genus. In his ''Pinax'' (1623), Gaspard Bauhin mentioned the Greek from Dioscorides as the origin of the Latin name. In the early 2000s it had become evident that the genus as it stood was not monophyletic and that several divergent lineages needed to be placed in separate genera. It turned out that one lineage comprising over 900 species mainly native to Australia, New Guinea, and Indonesia was not closely related to the much smaller group of African lineage that contained ''A. nilotica''—the type species. This meant that the Australasian lineage ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prosopis
''Prosopis'' is a genus of flowering plants in the family Fabaceae. It contains around 45 species of spiny trees and shrubs found in subtropical and tropical regions of the Americas, Africa, Western Asia, and South Asia. They often thrive in arid soil and are resistant to drought, on occasion developing extremely deep root systems. Their wood is usually hard, dense and durable. Their fruits are pods and may contain large amounts of sugar. The generic name means "burdock" in late Latin and originated in the Greek language. Selected species *Mesquites (southern United States, Mexico) ** '' Prosopis glandulosa'' Torr. – honey mesquite; ''Haas'' ( Cmiique Iitom) ** ''Prosopis laevigata'' ( Humb. & Bonpl. ex Willd.) M.C.Johnst. – smooth mesquite ** '' Prosopis pubescens'' Benth. – screwbean mesquite ** '' Prosopis reptans'' Benth. – tornillo ** '' Prosopis velutina'' Wooton – velvet mesquite *"Algarrobos", bayahondas etc. (Neotropics, particularly th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xerophytic
A xerophyte (from Greek ξηρός ''xeros'' 'dry' + φυτόν ''phuton'' 'plant') is a species of plant that has adaptations to survive in an environment with little liquid water, such as a desert such as the Sahara or places in the Alps or the Arctic. Popular examples of xerophytes are cacti, pineapple and some Gymnosperm plants. The structural features (morphology) and fundamental chemical processes ( physiology) of xerophytes are variously adapted to conserve water, also common to store large quantities of water, during dry periods. Other species are able to survive long periods of extreme dryness or desiccation of their tissues, during which their metabolic activity may effectively shut down. Plants with such morphological and physiological adaptations are .” Xeromorphic”, The Cambridge Illustrated Glossary of Botanical Terms, Michael Hickey, Clive King, Cambridge University Press, 2001 Xerophytes such as cacti are capable of withstanding extended periods of dry con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Temperate Grasslands, Savannas, And Shrublands
Temperate grasslands, savannas, and shrublands is a terrestrial biome defined by the World Wide Fund for Nature. The predominant vegetation in this biome consists of grass and/or shrubs. The climate is temperate and ranges from semi-arid to semi-humid. The habitat type differs from tropical grasslands in the annual temperature regime as well as the types of species found here. The habitat type is known as prairie in North America, pampas in South America, veld in Southern Africa and steppe in Asia. Generally speaking, these regions are devoid of trees, except for riparian or gallery forests associated with streams and rivers. Steppes/shortgrass prairies are short grasslands that occur in semi-arid climates. Tallgrass prairies are tall grasslands in areas of higher rainfall. Heaths and pastures are, respectively, low shrublands and grasslands where forest growth is hindered by human activity but not the climate. Tall grasslands, including the tallgrass prairie of North Am ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Köppen Climate Classification
The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notably in 1918 and 1936. Later, the climatologist Rudolf Geiger (1894–1981) introduced some changes to the classification system, which is thus sometimes called the Köppen–Geiger climate classification system. The Köppen climate classification divides climates into five main climate groups, with each group being divided based on seasonal precipitation and temperature patterns. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (temperate), ''D'' (continental), and ''E'' (polar). Each group and subgroup is represented by a letter. All climates are assigned a main group (the first letter). All climates except for those in the ''E'' group are assigned a seasonal precipitation subgroup (the second letter). For example, ''Af'' indi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loess
Loess (, ; from german: Löss ) is a clastic, predominantly silt-sized sediment that is formed by the accumulation of wind-blown dust. Ten percent of Earth's land area is covered by loess or similar deposits. Loess is a periglacial or aeolian (windborne) sediment, defined as an accumulation of 20% or less of clay and a balance of roughly equal parts sand and silt (with a typical grain size from 20 to 50 micrometers), often loosely cemented by calcium carbonate. It is usually homogeneous and highly porous and is traversed by vertical capillaries that permit the sediment to fracture and form vertical bluffs. Properties Loess is homogeneous, porous, friable, pale yellow or buff, slightly coherent, typically non-stratified and often calcareous. Loess grains are angular, with little polishing or rounding, and composed of crystals of quartz, feldspar, mica and other minerals. Loess can be described as a rich, dust-like soil. Loess deposits may become very thick, more ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Low Monte
The Argentine Monte (NT0802), or Low Monte, is an ecoregion of dry thorn scrub and grasslands in Argentina. It is one of the driest regions in the country. Human settlements are mainly near water supplies such as rivers or oases. Deforestation and over-grazing around these settlements have caused desertification. Location The Argentine Monte is in north-central Argentina, and has an area of . It is to the east of the Andes and extends from Salta Province in the north to Chubut Province in the south. It extends from the eastern foothills of the Andes to the Atlantic Ocean. The ecoregion merges into the Patagonian steppe in the south and southwest. The Dry Chaco lies to the northeast, and the Espinal is to the east. In the northwest it borders the High Monte. Some consider the High Monte a separate ecoregion, while others consider it a part of the Argentine Monte. Physical Elevations range from sea level on the Atlantic coast to . The region contains parts of the watersheds o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sierras De Córdoba
The Sierras de Córdoba is a mountain range in central Argentina, located between the Pampas to the east and south and the Chaco to the north and east. Most of the range is located in Córdoba Province, except for the southwestern margin which is in San Luis Province. The Sierras de Córdoba are part of the Sierras Pampeanas, a group of mountain ranges which extend north and south on the eastern side of the Andes. The Sierras de Córdoba are covered in dry forests, grasslands, woodlands, and shrublands, and are home to rare and endemic species of plants and animals. Parts of the Sierras have long been used for extensive cattle grazing, which has transformed the mountains' ecology. Other economic activities include tourism and winegrowing. Geography The Sierras de Cordoba extend about 430 km from south to north, from 29º S to 33º 30’ S. They consist of four sub-ranges, the Sierras del Norte, Sierras Chicas, Sierras Grandes, and Cumbres de Gaspar.Argañaraz, J.P., Gavier ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
