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Lewis Island (South Australia)
Lewis Island is an island located in Spencer Gulf off the east coast of Jussieu Peninsula on Eyre Peninsula in South Australia approximately south-east of Port Lincoln. It was named by Matthew Flinders in memory of George Lewis who was one of the eight crew lost from a cutter that capsized sometime after being launched from HM Sloop ''Investigator'' to search for water on 21 February 1802. Since 2004, the island has been part of the Memory Cove Wilderness Protection Area. Description Lewis Island is located approximately south-east of Port Lincoln, south of Little Island and north of Smith Island. The island has a maximum height of above sea level. Access is possible by boat on the island's north east coast during calm weather subject to tidal conditions, particularly in the channel separating it from Little Island. Formation, geology and oceanography Lewis Island was formed about 8400 years ago when sea levels rose at the start of the Holocene. The island's s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spencer Gulf
The Spencer Gulf is the westernmost and larger of two large inlets (the other being Gulf St Vincent) on the southern coast of Australia, in the state of South Australia, facing the Great Australian Bight. It spans from the Cape Catastrophe and Eyre Peninsula in the west to Cape Spencer and Yorke Peninsula in the east. The largest towns on the gulf are Port Lincoln, Whyalla, Port Pirie, and Port Augusta. Smaller towns on the gulf include Tumby Bay, Port Neill, Arno Bay, Cowell, Port Germein, Port Broughton, Wallaroo, Port Hughes, Port Victoria, Port Rickaby, Point Turton, and Corny Point. History The first recorded exploration of the gulf was that of Matthew Flinders in February 1802. Flinders navigated inland from the present location of Port Augusta to within of the termination of the water body. The gulf was named ''Spencer's Gulph'' by Flinders on 20 March 1802, after George John Spencer, the 2nd Earl Spencer. The Baudin expedition visited the gulf after Flind ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apium Prostratum
''Apium prostratum'', commonly known as sea celery, is a variable herb native to coastal Australia and New Zealand. The leaves are variable, with toothed leaflets, and a celery like aroma. The tiny white flowers occur in clusters. There are two varieties: * ''Apium prostratum'' var. ''filiforme'' – headland sea celery, squat with broad leaves (2-3 times longer than wide)and grows on coastal dunes and headlands. * ''Apium prostratum'' var. ''prostratum'' – mangrove sea celery, upright with fine leaves (6-15 times longer than wide) and grows in swamps.Low, T., ''Wild Food Plants of Australia'', 1988. Sea Celery, Victorian resources Online. http://vro.agriculture.vic.gov.au/dpi/vro/vrosite.nsf/pages/sip_sea_celery The subspecies Apium prostratum subsp. howense, ''Apium prostratum'' subsp. ''howense'' is endemic to Lord Howe Island. Uses Commonly eaten by Maori in New Zealand, for whom it is known as Tutae Koau, sea celery was also an important vegetable for early explorers an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific Gull
The Pacific gull (''Larus pacificus'') is a very large gull, native to the coasts of Australia. It is moderately common between Carnarvon in the west, and Sydney in the east, although it has become scarce in some parts of the south-east, as a result of competition from the kelp gull, which has "self-introduced" since the 1940s. Much larger than the ubiquitous silver gull, and nowhere near as common, Pacific gulls are usually seen alone or in pairs, loafing around the shoreline, steadily patrolling high above the edge of the water, or (sometimes) zooming high on the breeze to drop a shellfish or sea urchin onto rocks. Diet The gulls' diet consists of a number various fish species and invertebrates. They frequently consume crabs, most often the species ''Ovalipes australiensis'' and ''Paragrapsus gaimardii.'' They also commonly eat '' Platycephalus bassensis'' (sand flatheads) and cephalapods, both of which are sourced from their regular consumption of waste from fish which hav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silver Gull
The silver gull (''Chroicocephalus novaehollandiae'') is the most common gull of Australia. It has been found throughout the continent, but particularly at or near coastal areas. It is smaller than the Pacific gull (''Larus pacificus''), which also lives in Australia. The silver gull should not be confused with the herring gull, which is called "silver gull" in many other languages (scientific name ''Larus argentatus'', German ''Silbermöwe'', French ''Goéland argenté'', Dutch ''zilvermeeuw''), but is a much larger, robust gull with no overlap in range. Taxonomy It has traditionally been placed in the genus ''Larus'', as is the case with many gulls, but is now placed in the genus ''Chroicocephalus''. Hartlaub's gull (''C. hartlaubii'') of South Africa was formerly sometimes considered to be subspecies of the silver gull. There are three subspecies: * ''C. n. forsteri'' ( Mathews, 1912) – north and northeast Australia, New Caledonia, Loyalty Islands * ''C. n. novaehollan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White-faced Storm Petrel
The white-faced storm petrel (''Pelagodroma marina''), also known as white-faced petrel is a small seabird of the austral storm petrel family Oceanitidae. It is the only member of the monotypic genus ''Pelagodroma''. Description The white-faced storm petrel is in length with a wingspan. It has a pale brown to grey back, rump and wings with black flight feathers. It is white below, unlike other north Atlantic petrels, and has a white face with a black eye mask like a phalarope. Its plumage makes it one of the easier petrels to identify at sea. Behaviour The white-faced storm petrel is strictly pelagic outside the breeding season, and this, together with its often-remote breeding sites, makes this petrel a difficult bird to see from land. Only in severe storms might this species be pushed into headlands. There have been a handful of western Europe records from France, the United Kingdom and the Netherlands. It has a direct gliding flight and will patter on the water surface as i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lycium
''Lycium'' is a genus of flowering plants in the nightshade family, Solanaceae. The genus has a disjunct distribution around the globe, with species occurring on most continents in temperate and subtropical regions. South America has the most species, followed by North America and southern Africa. There are several scattered across Europe and Asia, and one is native to Australia.Fukuda, T., et al. (2001)Phylogeny and biogeography of the genus ''Lycium'' (Solanaceae): Inferences from chloroplast DNA sequences. ''Molecular Phylogenetics and Evolution'' 19(2), 246-58. Common English names for plants of this genus include box-thorn''Lycium''. The Jepson eFlora 2013. and desert-thorn. There are about 70 to 80 [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weed
A weed is a plant considered undesirable in a particular situation, "a plant in the wrong place", or a plant growing where it is not wanted.Harlan, J. R., & deWet, J. M. (1965). Some thoughts about weeds. ''Economic botany'', ''19''(1), 16-24. This introduces the concept of humans and their goals in a particular setting.Holzner, W., & Numata, M. (Eds.). (2013). ''Biology and ecology of weeds'' (Vol. 2). Springer Science & Business Media. The concept of weeds is particularly significant in agriculture, where the aim is growing crops or pastures of a single species, or a mixture of a few desired species. In such environments, other plant species are considered undesirable and therefore a weed. Besides, some weeds have undesirable characteristics making them a plant pest in most human settings.Harlan, J. R., & deWet, J. M. (1965). Some thoughts about weeds. ''Economic botany'', ''19''(1), 16-24.Holzner, W., & Numata, M. (Eds.). (2013). ''Biology and ecology of weeds'' (Vol. 2). Spri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mining
Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic viability of investing in the equipment, labor, and energy required to extract, refine and transport the materials found at the mine to manufacturers who can use the material. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory. Mining in a wider sense includes extraction of any non-renewable resource such as petroleum, natural gas, or even water. Modern mining processes involve prospecting for ore bodies, analysis of the profit potential of a proposed mine, extraction of the desired materials, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guano
Guano (Spanish from qu, wanu) is the accumulated excrement of seabirds or bats. As a manure, guano is a highly effective fertilizer due to the high content of nitrogen, phosphate, and potassium, all key nutrients essential for plant growth. Guano was also, to a lesser extent, sought for the production of gunpowder and other explosive materials. The 19th-century seabird guano trade played a pivotal role in the development of modern input-intensive farming. The demand for guano spurred the human colonization of remote bird islands in many parts of the world. Unsustainable seabird guano mining processes can result in permanent habitat destruction and the loss of millions of seabirds. Bat guano is found in caves throughout the world. Many cave ecosystems are wholly dependent on bats to provide nutrients via their guano which supports bacteria, fungi, invertebrates, and vertebrates. The loss of bats from a cave can result in the extinction of species that rely on their guano. U ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zygophyllum
''Zygophyllum'' is the type genus of the flowering plant family Zygophyllaceae. The generic name is derived from the Greek words ζυγόν (''zygon''), meaning "double", and φυλλον (''phyllon''), meaning "leaf". It refers to the leaves, each of which have two leaflets. The genus is distributed in arid and semi-arid regions of Africa, the Mediterranean Basin, central Asia and Australia. Molecular phylogenetic analysis suggested that as previously circumscribed, ''Zygophyllum'' was not monophyletic, and the genus was split among a number of other genera, including '' Augea'', ''Fagonia'', ''Roepera'' and '' Tetraena''. Species In accordance with International Plant Names Index, genus ''Zygophyllum'' currently has 117 accepted species: *''Zygophyllum acerosum'' (Boiss.) Christenh. & Byng *''Zygophyllum aegyptium'' Hosny *''Zygophyllum album'' L.f. *''Zygophyllum applanatum'' Van Zyl *''Zygophyllum arabicum'' (L.) Christenh. & Byng *''Zygophyllum atriplicoides'' Fisch. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pelargonium Australe
''Pelargonium australe'' is a perennial herb that is endemic to Australia, and found in all states except the Northern Territory. Common names include native storksbill, wild geranium and austral storksbill.VicFlora Flora of Victoria: ''Pelargonium australe''. Retrieved 16 January 2019. The species grows to 50 cm high and has leaves with 5 to 7 lobes. Umbels of 4 to 12 flowers appear between October and March in the species' native range. These are pink with darker markings. The species was first formally described in 1800 by German botanist |
Myoporum Insulare
''Myoporum insulare'', commonly known as common boobialla, native juniper, is a species of flowering plant in the figwort family Scrophulariaceae and is endemic to coastal areas of Australia. It is a shrub or small tree which grows on dunes and coastal cliffs, is very salt tolerant and widely used in horticulture. Description Boobialla varies in form from a prostrate shrub to a small, erect tree growing to a height of . It has thick, smooth green leaves which are long and wide with edges that are either untoothed or toothed toward the apex. The leaves are egg-shaped and the upper and lower surfaces are the same dull green colour. White flowers with purple spots appear in the leaf axils in clusters of three to eight and are in diameter. There are five glabrous, smooth sepals and the tube formed by the petals is long with the lobes of the tube about the same length. The four stamens usually extend slightly beyond the tube. Peak flowering times are July to February in Western ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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