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Orinoco Delta Swamp Forests
The Orinoco Delta swamp forests (NT0147) is an ecoregion of eastern Venezuela and northern Guyana covering the large and shifting Orinoco Delta. The vegetation is mostly permanently flooded rainforest. The ecoregion is relatively intact apart from a large area that was damaged by a failed flood control program in the 1960s. It is inaccessible, so logging is difficult, and the soil is unsuitable for farming. The main threat comes from oil exploration, which would bring an influx of settlers into the delta. Location The Orinoco Delta swamp forests in the lower delta plain of the Orinoco River are one of Earth's largest intact areas of wetlands. They cover an area of . The forests extend from the base of the Paria Peninsula in the northeast of Venezuela south across the Orinoco Delta floodplain to the Waini River of Guyana. The ecoregion is bounded on the Gulf of Paria and the Atlantic Ocean by stretches of Amazon-Orinoco-Southern Caribbean mangroves. It contains sections of Ori ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neotropical Realm
The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeography, the Neotropic or Neotropical realm is one of the eight terrestrial realms. This realm includes South America, Central America, the Caribbean islands, and southern North America. In Mexico, the Yucatán Peninsula and southern lowlands, and most of the east and west coastlines, including the southern tip of the Baja California Peninsula are Neotropical. In the United States southern Florida and coastal Central Florida are considered Neotropical. The realm also includes temperate southern South America. In contrast, the Neotropical Floristic Kingdom excludes southernmost South America, which instead is placed in the Antarctic kingdom. The Neotropic is delimited by similarities in fauna or flora. Its fauna and flora are di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Distributaries
A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel. Distributaries are a common feature of river deltas. The phenomenon is known as river bifurcation. The opposite of a distributary is a tributary, which flows ''towards'' and joins another stream. Distributaries are often found where a stream approaches a lake or an ocean. They can also occur inland, on alluvial fans, or where a tributary stream bifurcates as it nears its confluence with a larger stream. In some cases, a minor distributary can divert so much water from the main channel that it can later become the main route. Related terms Common terms to name individual river distributaries in English-speaking countries are ''arm'' and ''channel''. These terms may refer to a distributary that does not rejoin the channel from which it has branched (e.g., the North, Middle, and South Arms of the Fraser River, or the West Channel of the Mackenzie River), or to one tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inga Punctata
''Inga'' is a genus of small tropical, tough-leaved, nitrogen-fixing treesElkan, Daniel. "Slash-and-burn farming has become a major threat to the world's rainforest" ''The Guardian'' 21 April 2004 and shrubs, subfamily Mimosoideae. ''Inga''s leaves are pinnate, and flowers are generally white. Many of the hundreds of species are used ornamentally. Several related plants have been placed into this genus at one time, for example Yopo (Cohoba, Mopo, Nopo or Parica – ''Anadenanthera peregrina'' – as ''Inga niopo''). The seeds are covered with sweet white powder. The pulp covering the seeds is lightly fibrous and sweet, and rich in minerals; it is edible in the raw state. The tree's name originates from the Tupi word ''in-gá'' meaning "soaked", due to the fruit powder consistency. The tree usually blooms twice a year. Within the ''Inga'' genus there are around 300 species, most of them native and growing in the Amazon forest region although some species are also found in Me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hirtella Triandra
''Hirtella'' is a genus of 110 species of woody trees in family Chrysobalanaceae. It was first described as a genus by Linnaeus in 1753. ''Hirtella'' naturally occurs in tropical forests throughout Latin America, the West Indies, southeast Africa, and Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa .... The flowers are mainly pollinated by butterflies. Species List of accepted species according to Kew: References Chrysobalanaceae genera Taxonomy articles created by Polbot {{Malpighiales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dimorphandra Excelsa
''Dimorphandra'' is a genus of legume in the family Fabaceae, subfamily Caesalpinioideae. Accepted Species ''Dimorphandra'' comprises the following subgenera and species: * Subgenus ''Dimorphandra'' Tul. 1844 ** '' Dimorphandra caudata'' Ducke 1925 ** ''Dimorphandra exaltata''† Schott 1827 ** '' Dimorphandra gardneriana'' Tulasne 1844 ** '' Dimorphandra jorgei'' M. Freitas da Silva 1981 ** '' Dimorphandra loretensis'' M. Freitas da Silva 1981 ** '' Dimorphandra mediocris'' Ducke 1938 ** ''Dimorphandra mollis'' Benth. 1840 ** '' Dimorphandra multiflora'' Ducke 1922 ** '' Dimorphandra parviflora'' Spruce ex Benth 1870 ** '' Dimorphandra pullei'' Amshoff 1939 ** '' Dimorphandra wilsonii'' Rizzini 1969 * Subgenus ''Phaneropsia'' Arch. 1844 ** '' Dimorphandra conjugata''† (Splitg.) Sandwith 1932 ** '' Dimorphandra davisii'' Sprague & Sandwith 1932 ** '' Dimorphandra disimillis'' Cowan 1961 ** '' Dimorphandra unijuga'' Tulasne 1844 ** '' Dimorphandra williamii'' M. F. da Silva, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ceiba Pentandra
''Ceiba pentandra'' is a tropical tree of the order Malvales and the family Malvaceae (previously emplaced in the family Bombacaceae), native to Mexico, Central America and the Caribbean, northern South America, and (as the variety ''C. pentandra'' var ''guineensis'') West Africa. A somewhat smaller variety was introduced to South and Southeast Asia, where it is cultivated. The tree and the cotton-like fluff obtained from its seed pods are commonly known in English as kapok, a Malay-derived name which originally applied to ''Bombax ceiba'', a native of tropical Asia. In Spanish-speaking countries the tree is commonly known as " ceiba" and in French-speaking countries as fromager. The tree is cultivated for its cottonlike seed fibre, particularly in south-east Asia, and is also known as the Java cotton, Java kapok, silk-cotton or samauma. Characteristics The tree grows to as confirmed by climbing and tape drop with reports of Kapoks up to . These very large trees are i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carapa Guianensis
''Carapa guianensis'' is a species of tree in the family Meliaceae, also known by the common names andiroba or crabwood. Description Andiroba is native to the Amazon and is widely used by the indigenous populations of the northern region of Brazil. It grows in the Amazon region, Central America and the Caribbean. It is a tall tree with dense foliage and usually grows in the tropical rainforest along the edge of rivers. Uses The timber is used in furniture and flooring. While the wood is not classified as genuine mahogany Mahogany is a straight-grained, reddish-brown timber of three tropical hardwood species of the genus ''Swietenia'', indigenous to the AmericasBridgewater, Samuel (2012). ''A Natural History of Belize: Inside the Maya Forest''. Austin: Unive ..., it is related to the mahogany family and is similar in appearance. The oil contained in the andiroba almond, known as crab oil or carap oil, is light yellow and extremely bitter. When subjected to a te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Herbaceous Plant
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of the '' Shorter Oxford English Dictionary'' defines "herb" as: #"A plant whose stem does not become woody and persistent (as in a tree or shrub) but remains soft and succulent, and dies (completely or down to the root) after flowering"; #"A (freq. aromatic) plant used for flavouring or scent, in medicine, etc.". (See: Herb) The same dictionary defines "herbaceous" as: #"Of the nature of a herb; esp. not forming a woody stem but dying down to the root each year"; #"BOTANY Resembling a leaf in colour or texture. Opp. scarious". Botanical sources differ from each other on the definition of "herb". For instance, the Hunt Institute for Botanical Documentation includes the condition "when persisting over more than one growing season, the par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epiphyte
An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phorophytes. Epiphytes take part in nutrient cycles and add to both the diversity and biomass of the ecosystem in which they occur, like any other organism. They are an important source of food for many species. Typically, the older parts of a plant will have more epiphytes growing on them. Epiphytes differ from parasites in that they grow on other plants for physical support and do not necessarily affect the host negatively. An organism that grows on another organism that is not a plant may be called an epibiont. Epiphytes are usually found in the temperate zone (e.g., many mosses, liverworts, lichens, and algae) or in the tropics (e.g., many ferns, cacti, orchids, and bromeliads). Epiphyte species make good houseplants due to their minimal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydrophilous
Hydrophily is a fairly uncommon form of pollination whereby pollen is distributed by the flow of waters, particularly in rivers and streams. Hydrophilous species fall into two categories: (i) Those that distribute their pollen to the surface of water. e.g. ''Vallisnerias male flower or pollen grain are released on the surface of water, which are passively carried away by water currents; some of them eventually reach the female flower (ii) Those that distribute it beneath the surface. e.g. seagrasses in which female flower remain submergered in water and pollen grains are released inside the water. Surface pollination Surface pollination is more frequent, and appears to be a transitional phase between wind pollination and true hydrophily. In these the pollen floats on the surface and reaches the stigmas of the female flowers as in ''Hydrilla'', ''Callitriche'', ''Ruppia'', ''Zostera'', ''Elodea''. In ''Vallisneria'' the male flowers become detached and float on the surface of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Terra Firma Forest
A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' Food and Agriculture Organization (FAO) defines a forest as, "Land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds ''in situ''. It does not include land that is predominantly under agricultural or urban use." Using this definition, '' Global Forest Resources Assessment 2020'' (FRA 2020) found that forests covered , or approximately 31 percent of the world's land area in 2020. Forests are the predominant terrestrial ecosystem of Earth, and are found around the globe. More than half of the world's forests are found in only five countries (Brazil, Canada, China, Russia, and the United States). The largest share of forests (45 percent) are i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paramaribo Swamp Forests
The Paramaribo swamp forests (NT0149) is an ecoregion in the coastal plain of Suriname covering a strip of land that is almost always flooded by fresh waters. It transitions into saline mangrove swamps towards the coast, and into submontane forests towards the interior. Geography Location The Paramaribo swamp forests ecoregion is a long, narrow strip of land between the coastal mangroves and the foothills of the coastal mountains in the north of Suriname. Flora include seasonally flooded forests and permanently flooded swamp forests. It has an area of . Most of the population of Suriname lives near the ecoregion, and Paramaribo, the capital of the country, is in the ecoregion. Terrain The ecoregion extends across the north of Suriname from the border with Guyana along the Corantijn River to the border with French Guiana along the Marowijne River. Both Guyana and French Guiana also have elements of swamp forest. The flat coastal plain was formed from marine sediments in the H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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