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首页> 外文期刊>ICES Journal of Marine Science >Timing of growth zone formations in otoliths of the snapper, Chrysophrys auratus, in subtropical and temperate waters differ and growth follows a parabolic relationship with latitude
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Timing of growth zone formations in otoliths of the snapper, Chrysophrys auratus, in subtropical and temperate waters differ and growth follows a parabolic relationship with latitude

机译：在亚热带和温带水域，鲷鱼（Chrysophrys auratus）的耳石中生长区形成的时间不同，并且生长与纬度呈抛物线关系

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摘要

Chrysophrys auratus was collected from one sub-tropical and two temperate regions spanning >2400 km along the coast of Western Australia (similar to 23.5-35.5 degrees S). Marginal increment analysis demonstrated that, while a single opaque zone is formed in the otoliths of C. auratus each year, the period of deposition varies among regions. An opaque zone was formed in May to early September in the sub-tropical upper west coast, and thus when water temperatures were declining to their minima. In contrast, opaque zone formation occurred 3 months later in August to December in the temperate lower west and south coasts, when water temperatures were rising from their minima. The length and age distributions differed markedly among populations of C. auratus, with the strongest year classes varying among the three regions. Thus, it is likely that year class strength of C. auratus throughout its distribution along the coast of Western Australian is mostly related to local environmental conditions. Chrysophrys auratus grew far less rapidly and attained a smaller size in the warmer upper west coast than in the cooler temperate regions of the lower west and south coasts. A collation of data on C. auratus from ten populations in Australia and three in New Zealand showed that growth is greatest towards the mid-latitudes of its geographic range, i.e. at similar to 31 degrees S. Estimates of mean lengths at specified ages thus exhibit a parabolic relationship with latitude, with reduced growth (i.e. edge-of-range effects) occurring towards the latitudinal margins of the distribution of this sparid.
机译：ry鱼是从西澳大利亚州沿海一个> 2400 km（类似于23.5-35.5度）的亚热带和两个温带地区收集的。边际增量分析表明，尽管每年在金黄色梭菌的耳石中形成一个不透明区域，但沉积的时间因地区而异。 5月至9月初，在亚热带上西海岸形成了一个不透明的区域，因此当水温降至最低值时。相反，不透明的区域形成发生在3个月后的8月至12月，在温带的西下和南海岸，水温从最低点开始上升。 a鱼种群的长度和年龄分布差异显着，三个地区之间最强的年级有所不同。因此，整个西澳大利亚州沿岸分布的金丝雀的年强度很可能与当地的环境条件有关。与较温暖的上西海岸和较温和的下西部和南海岸的温带地区相比，金眼鲷的生长速度要慢得多，并且变小。对来自澳大利亚的十个种群和新西兰的三个种群的金a鱼的数据进行的整理显示，在其地理范围的中纬度（即接近南纬31度）处，生长最大。因此，在特定年龄段的平均长度估计值表现出与纬度呈抛物线关系，朝着该西班牙rid分布的纬度边缘出现增长减少（即范围边缘效应）。

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  • 来源
    《ICES Journal of Marine Science》 |2017年第1期|180-192|共13页
  • 作者

    Wakefield Corey B.; Potter Ian C.; Hall Norman G.; Lenanton Rodney C. J.; Hesp Sybrand A.;

  • 作者单位

    Govt Western Australia, Dept Fisheries, Western Australian Fisheries & Marine Res Labs, POB 20, North Beach, WA 6920, Australia|Murdoch Univ, Sch Vet & Life Sci, Ctr Fish & Fisheries Res, South St, Perth, WA 6150, Australia;

    Murdoch Univ, Sch Vet & Life Sci, Ctr Fish & Fisheries Res, South St, Perth, WA 6150, Australia;

    Govt Western Australia, Dept Fisheries, Western Australian Fisheries & Marine Res Labs, POB 20, North Beach, WA 6920, Australia|Murdoch Univ, Sch Vet & Life Sci, Ctr Fish & Fisheries Res, South St, Perth, WA 6150, Australia;

    Govt Western Australia, Dept Fisheries, Western Australian Fisheries & Marine Res Labs, POB 20, North Beach, WA 6920, Australia;

    Govt Western Australia, Dept Fisheries, Western Australian Fisheries & Marine Res Labs, POB 20, North Beach, WA 6920, Australia|Murdoch Univ, Sch Vet & Life Sci, Ctr Fish & Fisheries Res, South St, Perth, WA 6150, Australia;

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  • 关键词

    age validation; annual recruitment; length-at-age; metabolic theory; opaque zone; Sparidae; water temperature;

    机译：年龄验证;年聘;年龄长;代谢理论;不透明带;科;水温;

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