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Hawaiian Freshwater Goby
The Hawaiian freshwater goby, or ‘O‘opu (''Lentipes concolor)'' (''‘o‘opu ‘alamo‘o ''or ''‘o‘opu hi‘u koleis''), is a species of goby endemic to Hawaii, where it occurs in mountain streams. Males of this species can reach a standard length of , while females only reach . This species is important to the native people as a food fish. In Ancient Hawaiʻi, this species, and others such as mullet and ''Kuhlia sandvicensis'', were cultivated in a form of freshwater aquaponics or aquatic polyculture. In this system of farming, the taro in the upland paddies (taro being the primary staple in Ancient Hawaiʻi) was aided by the fish such as the Hawaiʻian freshwater goby, through these fish pruning the leaves and eating the pests, thus leading to a symbiotic system of food production. The Hawaiin goby is diadromous. The adults live in fresh water where they also spawn. The eggs and embryos float down the stream into the sea where they eventually reach the juvenile sta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theodore Nicholas Gill
Theodore Nicholas Gill (March 21, 1837 – September 25, 1914) was an American ichthyologist, mammalogist, malacologist and librarian. Career Born and educated in New York City under private tutors, Gill early showed interest in natural history. He was associated with J. Carson Brevoort in the arrangement of the latter's entomological and ichthyological collections before going to Washington D.C. in 1863 to work at the Smithsonian Institution. He catalogued mammals, fishes and mollusks most particularly although maintaining proficiency in other orders of animals. He was librarian at the Smithsonian and also senior assistant to the Library of Congress. He was elected as a member of the American Philosophical Society in 1867. Gill was professor of zoology at George Washington University. He was also a member of the Megatherium Club at the Smithsonian Institution in Washington, D.C. Fellow members frequently mocked him for his vanity. He was president of the American Association f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diadromous
Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousands of kilometres. Such migrations are usually done for better feeding or to reproduce, but in other cases the reasons are unclear. Fish migrations involve movements of schools of fish on a scale and duration larger than those arising during normal daily activities. Some particular types of migration are ''anadromous'', in which adult fish live in the sea and migrate into fresh water to spawn; and ''catadromous'', in which adult fish live in fresh water and migrate into salt water to spawn. Marine forage fish often make large migrations between their spawning, feeding and nursery grounds. Movements are associated with ocean currents and with the availability of food in different areas at different times of year. The migratory movements ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Fauna Of Hawaii
Endemism is the state of a species being found 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 be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freshwater Fish Of Hawaii
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include non- salty mineral-rich waters such as chalybeate springs. Fresh water may encompass frozen and meltwater in ice sheets, ice caps, glaciers, snowfields and icebergs, natural precipitations such as rainfall, snowfall, hail/ sleet and graupel, and surface runoffs that form inland bodies of water such as wetlands, ponds, lakes, rivers, streams, as well as groundwater contained in aquifers, subterranean rivers and lakes. Fresh water is the water resource that is of the most and immediate use to humans. Water is critical to the survival of all living organisms. Many organisms can thrive on salt water, but the great majority of higher plants and most insects, amphibians, reptiles, mammals and birds need fresh water to survive. Fresh water is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish Of Hawaii
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those being teleosts. The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) became formidable marine predators rather than just the prey of arthropods. Most fis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lentipes
''Lentipes'' is a genus of gobies native to fresh, marine and brackish waters of the Malay Archipelago and islands in the Pacific. Its species are typically from fast-flowing streams and some are anadromous. Species There are currently 18 recognized species in this genus: * '' Lentipes adelphizonus'' R. E. Watson & Kottelat, 2006 * '' Lentipes argenteus'' Keith, Hadiaty & Lord, 2014 Keith, P., Hadiaty, R., Hubert, N., Busson, F. & Lord, C. (2014): Three new species of ''Lentipes'' from Indonesia (Gobiidae). ''Cybium, 38 (2): 133-146''. * '' Lentipes armatus'' H. Sakai & M. Nakamura, 1979 * '' Lentipes caroline'' D. B. Lynch, Keith & Pezold, 2013 Lynch, B., Keith, P. & Pezold, F. (2013): A new species of freshwater goby from Pohnpei, Micronesia (Gobioidei: Sicydiinae). ''Cybium, 37 (3): 171-177.'' * '' Lentipes concolor'' ( T. N. Gill, 1860) * '' Lentipes crittersius'' R. E. Watson & G. R. Allen, 1999 * '' Lentipes dimetrodon'' R. E. Watson & G. R. Allen, 1999 * '' Len ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Akaka Falls State Park
Daniel Kahikina Akaka (; September 11, 1924 – April 6, 2018) was an American educator and politician who served as a United States Senator from Hawaii from 1990 to 2013. A member of the Democratic Party, Akaka was the first U.S. Senator of Native Hawaiian ancestry. Born in Honolulu, he served in the U.S. Army Corps of Engineers during World War II. He attended the University of Hawaii, where he received his bachelor's and master's degrees. Originally a high school teacher, Akaka went on to serve as a principal for six years. In 1969, the Department of Education hired him as a chief program planner. In the 1970s, he served in various governmental positions. Akaka was first elected to the United States House of Representatives in 1976 to represent Hawaii's 2nd congressional district; he served for 13 years. In 1990, he was appointed to the U.S. Senate to succeed the deceased Spark Matsunaga, subsequently winning the special election to complete Matsunaga's term. He would later be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sicyopterus Stimpsoni
''Sicyopterus stimpsoni'', commonly known as the Nopoli rockclimbing goby, oopu nopili, or Stimpson's goby, is a species of amphidromous goby endemic to Hawaii. This species can reach a length of SL. Ecology Juveniles move from saltwater to freshwater streams shortly before changes in the anatomy of their mouths make eating plankton impossible. Their dietary behaviour depends critically on the benthic algal cycle, which is locked into the hydrological cycles of the island streams. The species in its adult form is found in the upper parts of clear, fast-running mountain streams, where there is clean gravel and rocks with no sedimentation, allowing the growth of algae on rock surfaces. It is found on all the Hawaiian Islands, although it has become rare on O‘ahu. The species is herbivorous, feeding only on diatoms and filamentous algae, and vigorously defending its feeding patch. The fish cultivate gardens on the upper surfaces of stones and boulders. Here they encourage a sho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taro
Taro () (''Colocasia esculenta)'' is a root vegetable. It is the most widely cultivated species of several plants in the family Araceae that are used as vegetables for their corms, leaves, and petioles. Taro corms are a food staple in African, Oceanic, and South Asian cultures (similar to yams). Taro is believed to be one of the earliest cultivated plants. Names and etymology The English term ''taro'' was borrowed from the Māori language when Captain Cook first observed ''Colocasia'' plantations there in 1769. The form ''taro'' or ''talo'' is widespread among Polynesian languages:*''talo'': taro (''Colocasia esculenta'') – entry in the ''Polynesian Lexicon Project Online'' (Pollex). in Tahitian; in < ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gobiiformes
The Gobiiformes are an order of fish that includes the gobies and their relatives. The order, which was previously considered a suborder of Perciformes, is made up of about 2,211 species that are divided between seven families. Phylogenetic relationships of the Gobiiformes have been elucidated using molecular data. Gobiiforms are primarily small species that live in marine water, but roughly 10% of these species inhabit fresh water. This order is composed chiefly of benthic or burrowing species; like many other benthic fishes, most gobiiforms do not have a gas bladder or any other means of controlling their buoyancy in water, so they must spend most of their time on or near the bottom. Gobiiformes means "Goby-like". Families The 5th Edition of the '' Fishes of the World'' reclassified the former superfamily Goboidei as the order Gobiiformes and also rearranged the families within the order compared to the previous edition. The largest change is that the Oxudercidae and the Gobii ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polyculture
In agriculture, polyculture is the practice of growing more than one crop species in the same space, at the same time. In doing this, polyculture attempts to mimic the diversity of natural ecosystems. Polyculture is the opposite of monoculture, in which only one plant or animal species is cultivated together. Polyculture can improve control of some pests, weeds, and diseases while reducing the need for pesticides. Intercrops of legumes with non-legumes can increase yields on low-nitrogen soils due to biological nitrogen fixation. However, polyculture can reduce crop yields due to competition between the mixed species for light, water, or nutrients. It complicates management as species have different growth rates, days to maturity, and harvest requirements: monoculture is more amenable to mechanisation. For these reasons, many farmers in large-scale agriculture continue to rely on monoculture and use crop rotation to add diversity to the system. Other forms of polyculture can be fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aquaponics
Aquaponics is a food production system that couples aquaculture (raising aquatic animals such as fish, crayfish, snails or prawns in tanks) with hydroponics (cultivating plants in water) whereby the nutrient-rich aquaculture water is fed to hydroponically grown plants. As existing hydroponic and aquaculture farming techniques form the basis of all aquaponic systems, the size, complexity, and types of foods grown in an aquaponic system can vary as much as any system found in either distinct farming discipline. History Aquaponics has ancient roots, although there is some debate on its first occurrence: *Aztec cultivated agricultural islands known as '' chinampas'' in a system considered by some to be an early form of aquaponics for agricultural use, where plants were raised on stationary (or sometime movable) islands in lake shallows and waste materials dredged from the Chinampa canals and surrounding cities were used to manually irrigate the plants. * South China and the whol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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