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A list of all pages that have property "Definition" with value "Terms used to describe 'Occurrence' of species.". Since there have been only a few results, also nearby values are displayed.

Showing below up to 26 results starting with #1.

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List of results

  • Traits:Native - Non-endemic  + (Species that is native to an area but is not endemic to it i.e. a species that has a wide native range.)
  • Traits:Native  + (Species that is native to the country or sea area.)
  • Traits:Extirpated  + (Species that were present but have been declared extinct.)
  • Traits:Absent  + (Species that were reported at some time to be present but were not recorded subsequently are reported to be ‘Absent’.)
  • Traits:TypeIII  + (Species tolerant to excess organic matter Species tolerant to excess organic matter enrichment. These species may occur under normal conditions, but their populations are stimulated by organic richment (slight unbalance situations). They are surface deposit-feeding species, as tubicolous spionids.t-feeding species, as tubicolous spionids.)
  • Traits:TypeI  + (Species very sensitive to organic enrichment and present under unpolluted conditions (initial state). They include the specialist carnivores and some deposit-feeding tubicolous polychaetes.)
  • Traits:Occurrence Not specified  + (Species which may be listed as alien or introduced but whose occurrence has not been specified.)
  • Traits:Origin uncertain  + (Species whose biological status is uncertain i.e. it is uncertain if the species is native or alien to the location.)
  • Traits:Invasiveness Uncertain  + (Species whose invasiveness is uncertain.)
  • Traits:Origin unknown  + (Species whose origins cannot be verified OR a species whose origin has not been specified in the source information.)
  • Traits:Introduction unverified  + (Species whose presence is uncertain, maybe reported as present anecdotally but not confirmed.)
  • Traits:Stacks  + (Stacks of indivudal cells/frustules (e.g. in diatoms), like a pack of cards.)
  • Traits:FoodPiracy  + (Stealing food from other birds in flight)
  • Traits:Lithotomous  + (Stone-boring; an organism that burrows into rock.)
  • Traits:CiliaFlagella  + (Swimming is effected by beating of cilia and or flagella; includes the fused cilia of Ctenophores.)
  • Traits:JetPropulsion  + (Swimming is effected by contraction of the body or body cavity to produce a 'jet' of water, e.g. medusae and cephalopods (from Barnes ''et al.'', 2006))
  • Traits:Muscular Contraction (body length)  + (Swimming is effected by muscular contractions along the length of the body, which may be aided by body protrusions or structures (e.g. parapodia, fins).)
  • Traits:AppendagesPaddles  + (Swimming is effected one or more pairs of appendages (legs or paddles) e.g. the pleiopods of Isopod, Amphipod or Decapod crustaceans, or the legs of amphibious vertebrates.)
  • Traits:Commensal (with/on/in)  + (Symbiosis (q.v.) in which one species derives benefit from a common food supply, whilst the other species is not adversely affected (Lincoln ''et al.'', 1998).)
  • Traits:Radial  + (Symmetrical about any plane passed perpendicular to the oral/aboral axis (Barnes ''et al.'', 1993).)
  • Traits:Stinging  + (Tentacles that bear stinging cells to catch, subdue prey (e.g. Cnidaria))
  • Traits:Grasping  + (Tentacles that grab and grasp food items)
  • Traits:StickyMucus  + (Tentacles used to collect particluate food (e.g. polychaete deposit feeders))
  • Traits:Introduced Species Catalog  + (Terms and definitions used in the World Register of Introduced Marine Species (WRIMS).)
  • Traits:Invasiveness  + (Terms used to describe 'Invasiveness' of species.)
  • Traits:Origin  + (Terms used to describe the 'Origin' of species.)
  • Traits:OSPARRegionIIICelticSeas  + (The Celtic Seas region contains wide variaThe Celtic Seas region contains wide variations in coastal topography, from fjordic sea lochs, to sand dunes, bays, estuaries and numerous sandy beaches. The large range of habitats in the region supports a diverse fish fauna. Although traditional maritime activities, such as fishing, take place in the Celtic Seas, there is ongoing development of tourism., there is ongoing development of tourism.)
  • Traits:FAOASFISSpeciesForFisheryStatisticsPurposes  + (The FAO Fisheries and Aquaculture StatistiThe FAO Fisheries and Aquaculture Statistics and Information Branch (FIAS) collates world capture and aquaculture production statistics at either the species, genus, family or higher taxonomic levels in 2 346 statistical categories (2019 data release) referred to as species items.</br></br>ASFIS list of species includes 12 771 species items selected according to their interest or relation to fisheries and aquaculture. For each species item stored in a record, codes (ISSCAAP group, taxonomic and 3-alpha) and taxonomic information (scientific name, author(s), family, and higher taxonomic classification) are provided. An English name is available for most of the records, and about one third of them have also a French and Spanish name. Information is also provided about the availability of fishery production statistics on the species item in the FAO databases. on the species item in the FAO databases.)
  • Traits:OSPARRegionIIGreaterNorthSea  + (The Greater North Sea is one of the busiesThe Greater North Sea is one of the busiest maritime areas. Offshore activities related to the exploitation of oil and gas reserves, and maritime traffic are very important. Two of the world's largest ports are situated on the North Sea coast, and the coastal zone is used intensively for recreation.l zone is used intensively for recreation.)
  • Traits:HabitatsDirective  + (The Habitats Directive (Council Directive The Habitats Directive (Council Directive 92/43/EEC) ensures the conservation of a wide range of rare, threatened or endemic animal and plant species. Some 200 rare and characteristic habitat types are also targeted for conservation in their own right.</br></br>All in all, over 1.000 animal and plant species, as well as 200 habitat types, listed in the directive's annexes are protected in various ways.e's annexes are protected in various ways.)
  • Traits:OSPARListOfThreatenedAndOrDecliningSpeciesAndHabitats  + (The OSPAR Biological Diversity and EcosystThe OSPAR Biological Diversity and Ecosystems Strategy sets out that the OSPAR Commission will assess which species and habitats need to be protected. This OSPAR List of Threatened and/or Declining Species and Habitats has been developed to fulfil this commitment. It is based upon nominations by Contracting Parties and observers to the Commission of species and habitats that they consider to be priorities for protection. consider to be priorities for protection.)
  • Traits:AlternationOfGenerations  + (The alternation of generations, in the life cycle of an organism, that exhibit different modes of reproduction; typically sexual (diploid) and asexual (haploid) phases. Also termed metagenesis (Lincoln ''et al.'', 1998) (e.g. ''Daphnia'', some rotifers))
  • Traits:LowerLittoralFringe  + (The bottom of the littoral fringe. In the The bottom of the littoral fringe. In the UK, characterized by he ''Pelvetia/Porphyra'' belt with patchy ''Verrucaria maura'' and ''Fucus spiralis'' (on sheltered shores). ''Verrucaria mucosa'' present above the main barnacle population. May also include salt marsh species on shale/pebbles in shelter (Hiscock, 1996). shale/pebbles in shelter (Hiscock, 1996).)
  • Traits:OSPARRegionIVBayOfBiscayAndIberianCoast  + (The bottom topography of Region IV and coaThe bottom topography of Region IV and coastlines are highly diversified, including the continental shelf and slope and parts of the abyssal plain. Ecosystems in Region IV are very rich, support a rich fish fauna and have a particular importance for migratory birds. Main human activities in Region IV are fishing, maritime transport and tourism.e fishing, maritime transport and tourism.)
  • Traits:BuccalOrgansAbsent  + (The buccal cavity lacks obvious differentiation of the wall and it is not eversible. Some species if buccal cavity present at all, is only a transient larval structure and becomes completely occluded.)
  • Traits:OSPARCommonIndicators  + (The common indicators agreed by OSPAR for The common indicators agreed by OSPAR for assessing the status of biodiversity in the North-East Atlantic cover marine mammals, seabirds, fish communities, seafloor habitats, pelagic habitats, non-indigenous species and food webs.</br></br>The biodiversity common indicators contributed assessments of the status biodiversity in the North-East Atlantic to the OSPAR Intermediate Assessment 2017. The assessments are published in the OSPAR Assessment Portal.</br></br>The indicators are based on information from monitoring programmes described in the Coordinated Environment Monitoring Programme (CEMP). The programmes are described in the Appendices to the CEMP Agreement. Detailed descriptions, including method descriptions for the indicator calculations, are included in the CEMP Guideline Agreements.included in the CEMP Guideline Agreements.)
  • Traits:DepthSubstratum  + (The depth within the substratum at which the organism is found (max recorded in metres).)
  • Traits:BirdsDirectiveAnnex5  + (The directive promotes research to underpin the protection, management and use of all species of birds covered by the Directive, which are listed in this annex.)
  • Traits:BirdsDirectiveAnnex4  + (The directive provides for the sustainable management of hunting but Member States must outlaw all forms of non-selective and large scale killing of birds, especially the methods listed in this annex.)
  • Traits:DispersalPotentialAdult  + (The distance over which the adult organism is able to roam, travel or disperse; the greatest potnetial or recorded distance. Does not acknowledge limitations due to geography, hydrography, or behavioural (territorial) constraints.)
  • Traits:MullersLarva  + (The free-swimming eight armed (lobed) ciliated larva of Platyhelminthes (see Rupert & Barnes, 1994).)
  • Traits:WidthOfDisc  + (The greatest distance between the lateral tips of the pectoral fins in Rajiformes. (FishBase))
  • Traits:UnderIce  + (The habitat formed by the underside of ice sheets at the interface of frozen ice and fluid seawater.)
  • Traits:SeaIce  + (The habitat provided by the surface of frozen sea water floating on the surface. Sea ice may form thin sheets, fast moving pieces, pack ice or large icebergs.)
  • Traits:Heteromorphic  + (The haploid and diploid phases are different in size and body shape; the gametophyte is often diminutive (small to microscopic).)
  • Traits:TidalStrength  + (The horizontal movement of water associateThe horizontal movement of water associated with the meteorological, oceanographical and topographical factors. High water flow rates result in areas where water is forced through or over restrictions for example narrows or around protruding offshore rocks. Tidal streams are associated with the rise and fall of the tide where as currents are defined as residual flow after the tidal element is removed (Hiscock, 1996). tidal element is removed (Hiscock, 1996).)
  • Traits:Diameter  + (The length of a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere. Note: For diameter you can specify the measurement type (minimum, maximum, average), gender (male, female) and life stage.)
  • Traits:LowerLittoral  + (The lower part of the shore only exposed (emersed) at the lowest part of the tide.)
  • Traits:Turf  + (The lowest stratum of erect branching or filiform species.)
  • Traits:GenerationTime  + (The mean period of time between reproduction by parent generation and the reproduction of the first filial generation (Lincoln ''et al.'', 1998); recorded in years.)