Abundance and distribution of coastal, inshore zooplankton in the Huon Estuary and D'Entrecasteaux Channel, Tasmania, Australia (2004-2005)
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Mesozooplankton community composition and structure were examined throughout the D’Entrecasteaux Channel, Huon Estuary and North West Bay, Tasmania, from November 2004 to October 2005.
The composition of the mesozooplankton community was typical of inshore, temperate marine habitats, with seasonally higher abundance in summer and autumn and lower numbers in winter and spring. Copepods were the largest contributors to total abundance across all seasons and stations, while cladocerans and appendicularians were proportionally abundant in spring and summer. The faecal pellets of these three main groups, along with those of krill and amphipods, also contributed significantly to material recovered from sediment traps. Meroplanktonic larvae of benthic animals showed short-term peaks in abundance and were often absent from the water column for long periods. Spatially, North West Bay and the Channel had a higher representation of typically marine species, including Calanus australis and Labidocera cervi, while truly estuarine species, such as the copepod Gladioferens pectinatus, were more important in the Huon Estuary.
Data sourced from the IMAS Metadata catalogue https://metadata.imas.utas.edu.au/geonetwork/srv/eng/metadata.show?uuid=b89e4a97-4ce5-455a-ae3a-a88415b50541 on 2021-02-03
2004年11月至2005年10月期间,研究人员对塔斯马尼亚州德恩特雷卡斯托海峡(D’Entrecasteaux Channel)、休恩河口(Huon Estuary)及西北湾(North West Bay)的中型浮游动物(mesozooplankton)群落组成与结构开展了系统调查。
该区域的中型浮游动物群落组成符合近岸温带海洋生境的典型特征,其丰度呈现显著季节波动:夏季与秋季丰度较高,冬季与春季丰度较低。桡足类(Copepods)是所有季节与采样站位总丰度的最主要贡献类群;枝角类(cladocerans)与尾海鞘类(appendicularians)则在春季与夏季占比相对更高。上述三大主要类群,连同磷虾(krill)、端足类(amphipods)的粪便颗粒,对沉积物捕获器回收的有机质物料亦贡献显著。底栖动物的暂时性浮游幼体(meroplanktonic larvae)丰度会出现短期峰值,且往往会在较长时段内完全缺失于水体中。
空间分布层面,西北湾与德恩特雷卡斯托海峡的典型海洋物种占比更高,包括Calanus australis与Labidocera cervi;而真正的河口物种,如桡足类Gladioferens pectinatus,则在休恩河口占据更重要的生态地位。
本数据集源自海洋与南极研究所(IMAS,Institute for Marine and Antarctic Studies)元数据目录,获取时间为2021年2月3日,链接地址为:https://metadata.imas.utas.edu.au/geonetwork/srv/eng/metadata.show?uuid=b89e4a97-4ce5-455a-ae3a-a88415b50541
创建时间:
2025-09-16



