Phocoena
Webb8 apr. 1983 · Remarkably, Fucaia and Chonecetus seem to exceed the body length of the smallest known cetacean, the vaquita (Phocoena sinus), by less than 1 m [42]. This not only highlights the diminutive nature ... Webb20 okt. 2024 · Introduction. The harbour porpoise (Phocoena phocoena) is one of the smallest cetacean species and common in shallow coastal waters of the Northern hemisphere [1–3].The mating season is considered to occur between June and September, the birth period from June to August [4–6].Since harbour porpoises give birth only once …
Phocoena
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WebbKaliforniatumlare (Phocoena sinus, engelska vaquita [2] och spanska vaquita marina eller chochito) är en ovanlig art av tumlare som är endemisk i norra delen av Californiaviken. … Webb22 jan. 2024 · Harbour porpoise (Phocoena phocoena) is listed under the Annex II of the European Habitats Directive (Directive 92/43/CEE) and Member States are required to designate special areas of conservation to protect their populations. Although harbour porpoise distribution in the Iberian Peninsula has been described, the mouth of the …
Webb1 jan. 2009 · Harbor porpoises are distributed throughout the coastal waters of the North Pacific, the North Atlantic, and the Black Sea (Fig. 2).The porpoises in each of these ocean basins are reproductively isolated, resulting in division of the species into subspecies: Phocoena phocoena phocoena in the Atlantic Ocean and Phocoena phocoena vomerina … WebbVaquita. The vaquita ( / vəˈkiːtə / və-KEE-tə; Phocoena sinus) is a species of porpoise endemic to the northern end of the Gulf of California in Baja California, Mexico. Reaching a maximum body length of 150 cm (4.9 ft) (females) or 140 cm (4.6 ft) (males), it is the smallest of all living cetaceans. The species is currently on the brink ...
WebbThe harbour porpoise (Phocoena phocoena) is one of eight extant species of porpoise. It is one of the smallest species of cetacean. As its name implies, it stays close to coastal … Webb2 juli 2002 · The underwater hearing sensitivity of a two-year-old harbor porpoise was measured in a pool using standard psycho-acoustic techniques. The go/no-go response paradigm and up–down staircase psychometric method were used. Auditory sensitivity was measured by using narrow-band frequency-modulated signals having center …
Webb4 juni 2009 · This project was supported by the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety as part of the research project MINOS + (Grant No. Fkz 0329946B). We would like to acknowledge CGG Veritas, France for providing the airgun and Alain Regnault for his patient support with this device.
WebbDelphinus phocoena Linnaeus, 1758 · unaccepted (basionym) Delphinus ventricosus Lacépède, 1804 · unaccepted (synonym) Phocaena americana J. A. Allen, 1869 · … solomon bed and breakfastWebb23 okt. 2014 · Growing ship traffic worldwide has led to increased vessel noise with possible negative impacts on marine life. Most research has focused on low frequency components of ship noise, but for high-frequency specialists, such as the harbor porpoise (Phocoena phocoena), medium-to-high frequency noise components are likely more of a … solomon bear brownVanlig tumlare (Phocoena phocoena) är en av de minsta tandvalarna och blir normalt 1,5 meter lång med en vikt på cirka 50 kg. Några tumlare kan komma upp i en vikt på 70–75 kg och bli cirka 180 cm långa eller lite större. Visa mer Individerna är vanligen mörkgrå på ryggen och ljusare till vitaktig på undersidan, vissa färgvariationer mellan olika populationer finns. Den 15 till 20 cm höga ryggfenan och de 15 till 30 cm långa bröstfenorna är mörka (svarta). … Visa mer Tumlaren hoppar inte upp ur vattnet som delfiner utan låter bara lite av översidan och den låga trekantiga ryggfenan synas. Tumlaren hämtar … Visa mer Tumlaren förekommer huvudsakligen i kustnära vatten i norra Stilla havet, Nordatlanten och i Svarta havet. Förekomst i Sverige Vanliga tumlare finns … Visa mer Namn Tumlaren har fått sitt namn av sin tumlande rörelse när den bryter ytan på vattnet när den går … Visa mer solomon berschler campbell \\u0026 thomasWebb22 juni 2011 · Harbour porpoises (. Phocoena phocoena. ) and wind farms: a case study in the Dutch North Sea. Meike Scheidat1, Jakob Tougaard2, Sophie Brasseur1, Jacob Carstensen2, Tamara van Polanen Petel1, … solomon bermanWebbPhocoena dioptrica was first described by F. Lahille (Lahille, 1912) of Argentina in 1912 from a live, pregnant female stranded near Buenos Aires. A second female and an adult … solomon becomes kingWebb22 okt. 2014 · ABSTRACT: DNA was analysed from external wounds on 3 dead harbour porpoises Phocoena phocoena that were stranded in the Netherlands. Puncture wounds as well as the edges of large open wounds were ... solomon berg y martin 2014Webbthe harbour porpoise (Phocoena phocoena), which has been suggested to be negatively affected by noise pollution and habitat loss (e.g. Gilles et al 2009). Harbour porpoises are common in the North Sea, with a population estimated at about 250000 individuals in 1994 and 2004 (Hammond et al 2002, SCANSII 2008). Although porpoises have been largely small beer brew company