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Leafy Seadragon
The leafy seadragon (''Phycodurus eques'') or Glauert's seadragon, is a marine fish. It is the only member of the genus ''Phycodurus'' in the family Syngnathidae, which includes seadragons, pipefish, and seahorses. It is found along the southern and western coasts of Australia. The name is derived from their appearance, with long leaf-like protrusions coming from all over the body. These protrusions are not used for propulsion; they serve only as camouflage. The leafy seadragon propels itself utilising a pair of pectoral fins on the sides of its neck and a dorsal fin on its back closer to the tail end. These small fins are almost completely transparent and difficult to see as they undulate minutely to move the creature sedately through the water, completing the illusion of floating seaweed. Popularly known as "leafies", they are the marine emblem of the state of South Australia and a focus for local marine conservation. Taxonomy The generic name is derived from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kangaroo Island
Kangaroo Island (, ) is Australia's third-largest island, after Tasmania and Melville Island, Northern Territory, Melville Island. It lies in the state of South Australia, southwest of Adelaide. Its closest point to the mainland is Snapper Point in Backstairs Passage, which is from the Fleurieu Peninsula. The native population of Aboriginal Australians that once occupied the island (sometimes referred to as the Kartan people) disappeared from the archaeological record sometime after the land became an island following the sea level rise, rising sea levels associated with the Last Glacial Period around 10,000 years ago. It was subsequently settled intermittently by sealers and whalers in the early 19th century, and from 1836 on a permanent basis during the British colonisation of South Australia. Since then the island's economy has been principally agricultural, with a Jasus edwardsii, southern rock lobster fishery and with tourism growing in importance. The largest town, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Symbols Of South Australia
A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. Symbols allow people to go beyond what is known or seen by creating linkages between otherwise different concepts and experiences. All communication is achieved through the use of symbols: for example, a red octagon is a common symbol for " STOP"; on maps, blue lines often represent rivers; and a red rose often symbolizes love and compassion. Numerals are symbols for numbers; letters of an alphabet may be symbols for certain phonemes; and personal names are symbols representing individuals. The academic study of symbols is called semiotics. In the arts, symbolism is the use of a concrete element to represent a more abstract idea. In cartography, an organized collection of symbols forms a legend for a map. Etymology The word ''symbol'' derives from the late Middle French masculine noun , which appeared around 1380 in a theological sense signifying a f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Department Of Conservation And Land Management
The Department of Conservation and Land Management (CALM) was a department of the Government of Western Australia that was responsible for implementing the state's conservation and environment legislation and regulations. It was created by the ''Conservation and Land Management Act 1984'', also known as the ''CALM Act'', which is still in force . The Department of Conservation and Land Management was responsible from 22 March 1985 to 30 June 2006 for protecting and conserving the State of Western Australia’s environment; this included managing the state's national parks, marine parks, conservation parks, state forests, timber reserves and nature reserves. The Conservation Commission of Western Australia, responsible for assessing and auditing the performance of the department, was also created by the ''CALM Act''. Now ( renamed the Conservation and Parks Commission), its functions have broadened, with its purpose stated as "to act as an independent and trusted community stew ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Australia
Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Australia is Australia's largest state, with a land area of , and is also the List of country subdivisions by area, second-largest subdivision of any country on Earth. Western Australia has a diverse range of climates, including tropical conditions in the Kimberley (Western Australia), Kimberley, deserts in the interior (including the Great Sandy Desert, Little Sandy Desert, Gibson Desert, and Great Victoria Desert) and a Mediterranean climate on the south-west and southern coastal areas. the state has 2.965 million inhabitants—10.9 percent of the national total. Over 90 percent of the state's population live in the South-West Land Division, south-west corner and around 80 percent live in the state capital Perth, leaving the remainder ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perth, Western Australia
Perth () is the list of Australian capital cities, capital city of Western Australia. It is the list of cities in Australia by population, fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth . The Extremes on Earth#Other places considered the most remote, world's most isolated major city by certain criteria, Perth is part of the South West Land Division of Western Australia, with most of Perth metropolitan region, Perth's metropolitan area on the Swan Coastal Plain between the Indian Ocean and the Darling Scarp. The city has expanded outward from the original British settlements on the Swan River (Western Australia), Swan River, upon which its #Central business district, central business district and port of Fremantle are situated. Perth was founded by James Stirling (Royal Navy officer), Captain James Stirling in 1829 as the administrative centre of the Swan River Colony. The city is situated on the traditional lands of the Whadju ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jurien Bay, Western Australia
Jurien Bay is a coastal town in the Wheatbelt region of Western Australia, north of Perth facing the Indian Ocean. History The coastline around Jurien Bay was first known to Europeans in the 17th century. In 1801–03, an expedition under the command of Nicolas Baudin sailed along the Western Australian coast. Louis de Freycinet, a cartographic surveyor on the expedition, named Jurien Bay after Charles Marie Jurien (1763–1836) of the French naval administration. The area was visited by a number of English explorers from 1822 onwards. The bay was first surveyed by Captain James Harding, the harbourmaster of Fremantle, in 1865, with a more extensive survey made by Staff Commander W. E. Archdeacon R.N. in 1875. The first settlement was established in the mid-1850s by Walter Padbury. A jetty was constructed in 1885–87 due to the success of pastoralism. In the early 1900s, a temporary fishing village was built around the Jurien jetty and the coastal waters were used for cat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victoria (Australia)
Victoria, commonly abbreviated as Vic, is a States and territories of Australia, state in southeastern Australia. It is the second-smallest state (after Tasmania), with a land area of ; the second-most-populated state (after New South Wales), with a population of over 7 million; and the most densely populated state in Australia (30.6 per km2). Victoria's economy is the List of Australian states and territories by gross state product, second-largest among Australian states and is highly diversified, with service sectors predominating. Victoria is bordered by New South Wales to the north and South Australia to the west and is bounded by the Bass Strait to the south (with the exception of a small land border with Tasmania located along Boundary Islet), the Southern Ocean to the southwest, and the Tasman Sea (a marginal sea of the South Pacific Ocean) to the southeast. The state encompasses a range of climates and geographical features from its temperate climate, temperate coa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wilson’s Promontory
Wilsons Promontory is a peninsula that forms the southernmost part of the Australian mainland, located in the state of Victoria. South Point at is the southernmost tip of Wilsons Promontory and hence of mainland Australia. Located at nearby South East Point, () is the Wilsons Promontory Lighthouse. Most of the peninsula is protected by the Wilsons Promontory National Park and the Wilsons Promontory Marine National Park. Human history The promontory was first occupied by indigenous Koori people at least 6,500 years prior to European arrival. Middens along the western coast indicate that the inhabitants subsisted on a seafood diet. The promontory is mentioned in dreamtime stories, including the Bollum-Baukan, Loo-errn and Tiddalik myths. It is considered the home of the spirit ancestor of the Brataualung clan - ''Loo-errn''. The area remains highly significant to the Gunai/Kurnai and the Boon wurrung people, who consider the promontory to be their traditional count ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leafy Sea Dragon SA
LEAFY (abbreviated LFY) is a plant gene that causes groups of undifferentiated cells called meristems to develop into flowers instead of leaves with associated shoots. ''LEAFY'' is involved in floral meristem identity. ''LEAFY'' encodes a plant-specific transcription factor, is found in all land plants and in charophytes and one of its exons have been used extensively in phylogenetic work on spermatophytes. When the gene is overexpressed, the plant is less sensitive to environmental signals and flowers earlier. The LEAFY protein has two conserved domains: the DNA binding domain, a helix-turn-helix Helix-turn-helix is a DNA-binding domain (DBD). The helix-turn-helix (HTH) is a major structural motif capable of binding DNA. Each monomer incorporates two alpha helix, α helices, joined by a short strand of amino acids, that bind to the majo ... motif buried inside a unique 7-helix fold and a Sterile Alpha Motif. It binds DNA as a dimer and its binding site has been identifie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weedy Seadragon
The common seadragon or weedy seadragon (''Phyllopteryx taeniolatus'') is a marine biology, marine fish of the order Syngnathiformes, which also includes the similar pipefishes, seahorses, and trumpetfishes among other species. Adult common seadragons are a reddish colour, with yellow and purple striped markings; they have small, leaf-like appendages that resemble kelp or seaweed fronds, providing camouflage, as well as a number of short spines for protection. As with seahorses and the other syngnathids, the seadragon has a similarly tubular snout and a fused, toothless jaw into which it captures small invertebrate prey at lightning speed. Males have narrower bodies and are darker than females. Seadragons have a long dorsal fin along the back and small pectoral fins on either side of the neck, which provide balance. Weedy seadragons can reach in length. The common seadragon is the marine emblem of the Australian state of Victoria (Australia), Victoria. Range and habitat The co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adaptive Coloration In Animals
''Adaptive Coloration in Animals'' is a 500-page textbook about camouflage, warning coloration and mimicry by the Cambridge zoologist Hugh Cott, first published during the Second World War in 1940; the book sold widely and made him famous. The book's general method is to present a wide range of examples from across the animal kingdom of each type of coloration, including marine invertebrates and fishes as well as terrestrial insects, amphibians, reptiles, birds and mammals. The examples are supported by many of Cott's own drawings, diagrams, and photographs. This essentially descriptive natural history treatment is supplemented with accounts of experiments by Cott and others. The book had few precedents, but to some extent follows (and criticises) Abbott Handerson Thayer's 1909 '' Concealing-Coloration in the Animal Kingdom''. The book is divided into three parts: concealment, advertisement, and disguise. Part 1, concealment, covers the methods of camouflage, which are colou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crustacean
Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are traditionally a part of the subphylum Crustacea (), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, opossum shrimps, amphipods and mantis shrimp. The crustacean group can be treated as a subphylum under the clade Mandibulata. It is now well accepted that the hexapods (insects and entognathans) emerged deep in the Crustacean group, with the completed pan-group referred to as Pancrustacea. The three classes Cephalocarida, Branchiopoda and Remipedia are more closely related to the hexapods than they are to any of the other crustaceans ( oligostracans and multicrustaceans). The 67,000 described species range in size from '' Stygotantulus stocki'' at , to the Japanese ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
