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Mediusella
''Mediusella bernieri'' is a species of flowering plant in the family Sarcolaenaceae. It is the sole species in genus ''Mediusella''. It is a shrub or tree endemic to Madagascar. Description ''Mediusella bernieri'' grows as a shrub or small tree up to tall. It has a trunk diameter of up to . Its bright green leaves are ovate in shape and measure up to long. The plant's flowers are usually in inflorescences of two or three flowers, each with white to yellow petals. The ovoid fruits measure up to long. ''Mediusella bernieri'' flowers and fruits from February to July. Distribution and habitat ''Mediusella bernieri'' is only found in the far northern regions of Diana and Sava (the former Antsiranana Province). IUCN assessors identified nine subpopulations over an extent of occurrence of . Its habitat is dry forests, on various rocky formations, from elevation. Threats ''Mediusella bernieri'' is in decline due to habitat destruction from activities such as agriculture, mining, fi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sarcolaenaceae
The Sarcolaenaceae are a family of flowering plants endemic to Madagascar. The family includes 79 species of mostly evergreen trees and shrubs in ten genera. Recent DNA studies indicate that the Sarcolaenaceae are a sibling taxon to the family Dipterocarpaceae of Africa, South America, India, Southeast Asia and Malesia Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms. It is a phytogeographical floristic region in the Paleotropical kingdom. It was first recognized as a distinct region .... References * External links Images of Sarcolaenaceae in Madagascar (Missouri Botanic Garden) {{Authority control Malvales families Endemic flora of Madagascar Taxa described in 1881 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Hutchinson (botanist)
John Hutchinson (7 April 1884 Blindburn, Northumberland – 2 September 1972 London) was an English botanist, taxonomist and author.''A Botanist in Southern Africa'' John Hutchinson (London, 1946) Life and career Born in Blindburn, Wark on Tyne, Northumberland, England, he received his horticultural training in Northumberland and Durham, England, Durham and was appointed a student gardener at Royal Botanic Gardens, Kew, Kew in 1904. His taxonomic and drawing skills were soon noticed and resulted in his being appointed to the Herbarium in 1905. He moved from assistant in the Indian section to assistant for Tropical Africa, returning to Indian botany from 1915 to 1919, and from then on was in charge of the African section until 1936 when he was appointed Keeper of the Museums of Botany at Kew. He retired in 1948 but continued working on the phylogeny of flowering plants and publishing two parts of ''The Genera of Flowering Plants''. John Hutchinson proposed a Hutchinson system, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antsiranana Province
Antsiranana is a former province of Madagascar with an area of 43,406 km2. It had a population of 1,188,425 (July 2001). Its capital was Antsiranana. A diversity of ethnic groups are found in the province, including Anjoaty, Sakalava, Antakarana, Tsimihety, Antemoro, Betsimisaraka, Antandroy, etc. History A major battle took place at Diego-Suárez (now Antsiranana), the largest city in Antsiranana Province, in May 1942. "Fierce fighting" in the area saw over 500 Allied casualties. On May 29, Japanese submarine I-10 surfaced off the coast and launched a Nakajima A6M2-N reconnaissance aircraft over the port. Operation Ironclad was relaunched, after being stalled, on June 22 to counterattack, with supporting forces from the East African Brigade Group and later the Rhodesian 27th Infantry Brigade in July. Geography Antsiranana Province bordered Toamasina Province to the southeast and Mahajanga Province to the southwest. The province has been described as being "virtually is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Described In 1886
Plants are the eukaryotes that form the kingdom Plantae; they are predominantly photosynthetic. This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with cyanobacteria to produce sugars from carbon dioxide and water, using the green pigment chlorophyll. Exceptions are parasitic plants that have lost the genes for chlorophyll and photosynthesis, and obtain their energy from other plants or fungi. Most plants are multicellular, except for some green algae. Historically, as in Aristotle's biology, the plant kingdom encompassed all living things that were not animals, and included algae and fungi. Definitions have narrowed since then; current definitions exclude fungi and some of the algae. By the definition used in this article, plants form the clade Viridiplantae (green plants), which consists of the green algae and the embryophytes or land plants (hornworts, liverworts, mosses, lycophytes, ferns, conifers and other gymnosperm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of The Madagascar Dry Deciduous Forests
Flora (: floras or florae) is all the plant life present in a particular region or time, generally the naturally occurring ( indigenous) native plants. The corresponding term for animals is ''fauna'', and for fungi, it is ''funga''. Sometimes bacteria and fungi are also referred to as flora as in the terms ''gut flora'' or ''skin flora'' for purposes of specificity. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Flora Of Madagascar
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can also be referred to as an ''endemism'' or, in scientific literature, as an ''endemite''. Similarly, many species found in the Western ghats of India are examples of endemism. Endemism is an important concept in conservation biology Conservation biology is the study of the conservation of nature and of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions. It is an i ... for measuring biodiversity in a particular place and evaluating t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monotypic Malvales Genera
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispecific" or "monospecific" is sometimes preferred. In botanical nomenclature, a monotypic genus is a genus in the special case where a genus and a single species are simultaneously described. Theoretical implications Monotypic taxa present several important theoretical challenges in biological classification. One key issue is known as "Gregg's Paradox": if a single species is the only member of multiple hierarchical levels (for example, being the only species in its genus, which is the only genus in its family), then each level needs a distinct definition to maintain logical structure. Otherwise, the different taxonomic ranks become effectively identical, which creates problems for organizing biological diversity in a hierarchical system. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loky Manambato Protected Area
Loky-Manambato is a protected area near Daraina in northern Madagascar, in the northern part of the Vohemar District. It is located in northern Sava Region, bounded on the north by the Loky River, on the south by the Manambato River, and on the east by the Indian Ocean. In its center flows the Manankolana river. The protected area covers 2484.09 km2,UNEP-WCMC (2022)Protected Area Profile for Loky Manambatofrom the World Database on Protected Areas. Accessed 18 September 2022. and includes a block of dry deciduous forests, mangroves, and a large lake, the Sahaka Lake. Flora and fauna Loky-Manambato is in the dry deciduous forests of northern Madagascar, near the transition to the moist evergreen forests of eastern Madagascar and the montane forests of Madagascar's central highlands. Plant communities in the protected area include montane moist evergreen forest, moist semideciduous rainforest, dry deciduous forest, riparian forest, rupicolous vegetation, littoral forest, sw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat Destruction
Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease in biodiversity and species numbers. Habitat destruction is in fact the leading cause of biodiversity loss and species extinction worldwide. Humans contribute to habitat destruction through the use of natural resources, agriculture, industrial production and urbanization (urban sprawl). Other activities include mining, logging and trawling. Environmental factors can contribute to habitat destruction more indirectly. Geological processes, climate change, introduction of invasive species, ecosystem nutrient depletion, water and noise pollution are some examples. Loss of habitat can be preceded by an initial habitat fragmentation. Fragmentation and loss of habitat have become one of the most important topics of research in ecology as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Union For Conservation Of Nature
The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status of the natural world and the measures needed to safeguard it. It is involved in data gathering and analysis, research, field projects, advocacy, and education. IUCN's mission is to "influence, encourage and assist societies throughout the world to conserve nature and to ensure that any use of natural resources is equitable and ecologically sustainable". Over the past decades, IUCN has widened its focus beyond conservation ecology and now incorporates issues related to sustainable development in its projects. IUCN does not itself aim to mobilize the public in support of nature conservation. It tries to influence the actions of governments, business and other stakeholders by providing information and advice and through building partners ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diana Region
Diana is a region in Madagascar at the northern part of the island. It borders the regions of Sava to the southeast and Sofia to the southwest. It covers an area of 19,266 km2, and had a population of 889,736 in 2018. The regional capital is Antsiranana (previously known as ''Diego Suarez''). Geography Rivers The main rivers of the Diana region are: * Besokatra River * Irodo River * Loky River * Mahavavy River * Ramena River * Saharenana River * Sambirano River Protected areas and visitors' attractions The following national parks, reserves and visitors' attractions are located in Diana: * Ambodivahibe New Protected Area * Andrafiamena Andavakoera New Protected Area * Nosy Antsoha New Protected Area * Ampasindava New Protected Area * Galoko Kalobinono New Protected Area * Oronjia New Protected Area * Amber Mountain National Park * Analamerana Reserve * Ankarana Reserve * Lokobe National Park * Manongarivo Reserve * Tsaratanana National Park * Nosy Hara ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
