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Traits:BrackishSalinity + (0.5-<30 psu)

Traits:Oligohaline + (0.5-<5 psu (included under MNCR Low, <18 psu))
Traits:ModeratelyStrong + (1 to 3 knots (0.5-1.5 m/sec.))
Traits:Rockpools + (1) A pool of water among rocks left behind by the ebbing tide. 2) a depression in the littoral zone of a rocky seashore where, at low tide, seawater is left behind (Hiscock, 1996).)
Traits:Iteroparous + (1) Breeding several times per lifetime. 2) Organisms that have repeated reproductive cycles (Lincoln ''et al.'', 1998).)
Traits:Exposed + (1) Coasts which face the prevailing wind b … 1) Coasts which face the prevailing wind but which have a degree of shelter because of extensive shallow areas offshore, offshore obstructions, or a restricted (less than 90°) window to open water. These sites are not generally exposed to large waves or regular swell. 2) Open coasts facing away from prevailing winds but with a long fetch, and where strong winds are frequent.etch, and where strong winds are frequent.)
Traits:ForkLength + (1) Length of a fish measured from the tip … 1) Length of a fish measured from the tip of the snout to the posterior end of the middle caudal rays. This measurement is used instead of standard length for fishes on which it is difficult to ascertain the end of the vertebral column, and instead of total length in fish with stiff, forked tail, e.g., tuna. Mostly used in fishery biology and not in systematics. (FishBase)2) Fork length (FL) refers to the length of a fish measured from the tip of the snout to the end of the middle caudal fin rays and is used in fishes in which it is difficult to tell where the vertebral column ends. (Wikipedia)3) Fork length (FL) can be specified as:<ul><li>Maximum length: Size (in cm) of the largest male/unsexed or female specimen ever caught. (FishBase)<li>Common length: Size (in cm) at which male/unsexed or female specimen(s) are commonly caught or marketed. (FishBase)</ul>specimen(s) are commonly caught or marketed. (FishBase)</ul>)
Traits:VeryExposed + (1) Open coasts which face into prevailing … 1) Open coasts which face into prevailing winds and which receive wind-driven waves and oceanic swell without any offshore obstructions for several hundred kilometres, but where deep water is not close to the shore (50 m depth contour further than about 300 m). 2) Open coasts adjacent to extremely exposed sites but which face away from prevailing winds.but which face away from prevailing winds.)
Traits:Sand + (1) Particle size 0.063 -4 mm (Hiscock 1996) 2) >90% sand (Long, 2006))
Traits:CoarseCleanSand + (1) Particle size 0.5 - 4 mm (Hiscock, 1996))
Traits:GravelShingle + (1) Particle size 4 -16 mm. 2) Clean stone or shell gravel including dead maerl (Hiscock, 1996) 3) >80% gravel (Long, 2006).)
Traits:Mud + (1) Particle size <0.063 mm (silt / clay fraction) (Hiscock, 1996) 2) >90% mud (Long, 2006))
Traits:Viviparous + (1) Producing live offspring from within the body of the parent (Lincoln ''et al.'', 1998). 2) Development of an embryo within the body of the parent, in part, resources passing directly from parent to embryo (Barnes ''et al.'', 2006).)
Traits:SexualReproduction + (1) Reproduction involving the regular alte … 1) Reproduction involving the regular alternation of gamete formation by meiosis, and gamete fusion (karyogamy) to form a zygote (Lincoln ''et al.'',1998). 2) Reproduction where recombination of genetic material, derived from more than one parent is possible (Barnes ''et al''. 2006), true amphimixis involves random segregation of genes and random association of parental contribution (gametes).iation of parental contribution (gametes).)
Traits:Clay + (1) Sediment particles less than 0.004 mm in size (Wentworth, 1922). 2) A soft very fine-grained sedimentary rock composed primarily of clay-sized particles (Hiscock, 1996).)
Traits:TotalLength + (1) The greatest length of the whole body b … 1) The greatest length of the whole body between the most anterior point of the body and the most posterior point, in a straight line, not over the curve of the body. Sometimes, when there are two equal lobes, the caudal rays are squeezed together and their tip is taken as the most posterior point (excluding the caudal filaments), or the longest lobe is squeezed to the midline (maximum length or extreme tip length). Also an imaginary line may be drawn between the two lobe tips and length to its mid-point taken as the most posterior point (total auxiliary length or bilobular length). Usually the tip of the most posterior lobe of the fin in normal position is taken as the posteriormost point (total normal length or natural tip length). Total length is used by taxonomists in Myxini, Petromyzontiformes, usually in Elasmobranchii and sometimes in other fishes. Standard length is usually employed with Teleostei. Abbreviated TL. (FishBase)2) Total length (TL) refers to the length of a fish measured from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body. (Wikipedia)Total length measurements are used in slot limit and minimum landing size regulations. (Wikipedia)3) Total length (TL) can be specified as:<ul><li>Maximum length: Size (in cm) of the largest male/unsexed or female specimen ever caught. (FishBase)<li>Common length: Size (in cm) at which male/unsexed or female specimen(s) are commonly caught or marketed. (FishBase)</ul>specimen(s) are commonly caught or marketed. (FishBase)</ul>)
Traits:Supralittoral + (1) The lower terrestrial zone, characteris … 1) The lower terrestrial zone, characteristically dominated by orange and white-to-grey lichens on hard substrata with scattered salt-tolerant higher plants and mosses (Hiscock, 1996). 2) The region of the shore directly above the highest water level and subject to wetting by spray or wave splash (Lincoln ''et al.'', 1998).or wave splash (Lincoln ''et al.'', 1998).)
Traits:StandardLength + (1) The measurement from the most anterior … 1) The measurement from the most anterior tip of the body to the midlateral posterior edge of the hypural plate (in fish with a hypural plate) or to the posterior end of the vertebral column (in fish lacking hypural plates). It may be restricted to the tip of the snout if the lower jaw projects. The base of the caudal fin (end of the vertebral column or posterior edge of the hypural plate) is determined by flexing the tail up while the caudal peduncle is held down. The resultant wrinkle or caudal flexure indicates the caudal base. It may also be determined by probing or dissection. Sometimes the posteriormost point is the last scale, the last pored scale or the beginning of the caudal fin rays. It is the usual scientific measurement for length of a fish except in Myxini, Petromyzontiformes, Elasmobranchii and Holocephali. This measurement is used because long-preserved fish often lose the tips of the caudal fin rays through breakage after the desiccation effect of alcohol. See total length and fork length. In Holocephali the length is usually taken from the tip of the snout to the origin of the upper caudal fin because the caudal filament breaks off frequently. In Scaridae it is taken back to the rear margin of the second to last lateral line scale, because the large scales obscure the point of caudal flexure. In small dead fish, the end point is detected by bending the caudal fin to one side. In fishery work, as a result of the use of the measuring board, standard-, fork- and total length are taken from the most anterior part of the head. Abbreviated as SL. (FishBase)2) Standard length (SL) refers to the length of a fish measured from the tip of the snout to the posterior end of the last vertebra or to the posterior end of the midlateral portion of the hypural plate. Simply put, this measurement excludes the length of the caudal fin. (Wikipedia)Standard length measurements are used with Teleostei (most bony fish), while total length measurements are used with Myxini (hagfish), Petromyzontiformes (lampreys), and (usually) Elasmobranchii (sharks and rays), as well as some other fishes. (Wikipedia)3) Standard length (SL) can be specified as: a) Maximum length: Size (in cm) of the largest male/unsexed or female specimen ever caught. (FishBase); b) Common length: Size (in cm) at which male/unsexed or female specimen(s) are commonly caught or marketed. (FishBase).e commonly caught or marketed. (FishBase).)
Traits:Eulittoral + (1) The region between the highest and lowest extent of the tide on the shore. 2) The shore zone between the lowest and highest seasonal water level in a lake (Lincoln ''et al.'', 1998))
Traits:Sublittoral + (1) The zone exposed to air only at its upp … 1) The zone exposed to air only at its upper limit by the lowest spring tides, although almost continuous wave action on extremely exposed coasts may extend the upper limit high into the intertidal region. The sublittoral extends from the upper limit of the large kelps and includes, for practical purposes in nearshore areas, all depths below the littoral. Various sub-zones are recognized (based on Hiscock, 1985). 2) The marine zone extending from the lowest limit of the intertidal to the outer edge of the continental slope (rephrased from Lincoln ''et al.'', 1998).(rephrased from Lincoln ''et al.'', 1998).)
Traits:AlphaMesohaline + (10-<18 psu)
Traits:Pebbles + (16-64 mm. May be rounded or flat. Substrata which are predominantly pebbles.)
Traits:BetaPolyhaline + (18-<25 psu)
Traits:Polyhaline + (18-<30 psu (included under MNCR Reduced, 18-30 psu))
Traits:BirdsDirectiveAnnex1 + (194 species and sub-species are particularly threatened. Member States must designate Special Protection Areas (SPAs) for their survival and all migratory bird species.)
Traits:AlphaPolyhaline + (25-<30 psu)
Traits:SmallBoulders + (256 -512 mm; may be unstable.)
Traits:Strong + (3 to 6 knots (1.5-3 m/sec.))
Traits:AlphaOligohaline + (3-<5 psu)
Traits:SandyGravel + (30 -80% gravel with sand (see Long, 2006).)
Traits:BetaHaline + (30-36 psu)
Traits:MarineSalinity + (30-40 psu (equals MNCR Full))
Traits:AlphaHaline + (36-40 psu)
Traits:BetaMesohaline + (5-<10 psu)
Traits:Mesohaline + (5-<18 psu (equals MNCR Low, <18 psu))
Traits:Cobbles + (64-256 mm. May be rounded or flat. Substrata that are predominantly cobbles.)
Traits:BirdsDirectiveAnnex2 + (82 bird species can be hunted. However, the hunting periods are limited and hunting is forbidden when birds are at their most vulnerable: during their return migration to nesting areas, reproduction and the raising of their chicks.)
Traits:FreshwaterSalinity + (<0.5 psu)
Traits:Weak + (<1 knot (<0.5 m/sec))
Traits:HyperSaline + (>40 psu)
Traits:LargeBoulders + (>512 mm; likely to be stable (Hiscock, 1996).)
Traits:VeryStrong + (>6 knots (>3 m/sec))
Traits:ExternalTube + (A built-structure inhabited by an organism … A built-structure inhabited by an organism and essential to its survival, but not part of its body, composed of hardened (either rigid or flexible) secretions, with or without the addition of embedded particles, with those particles either selectively collected from the environment or passively becoming glued during formation (pers. comm. Read, G.).d during formation (pers. comm. Read, G.).)
Traits:Planula + (A ciliated, free swimming larva; lacks a mouth but in older stages may include a gastrovascular cavity (Stachowitsch, 1992))

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