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Planktonic ecosystems: zooplankton, micronekton

机译:浮游生物生态系统:浮游动物,微浮游生物

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Gelatinous zooplankton are increasingly being included within ecosystem models. However, for the majority of species, their respiratory and excretory processes are poorly understood, making accurate model predictions difficult. Fragility and a broad size range have resulted in a number of methods being used for different species, some in situ and others under laboratory conditions. This makes it difficult to compare studies and incorporate the data into models. Oxygen optodes have been used here to obtain respiration rates of seven species (n = 65 individuals), utilising the same method across a large range of incubator sizes (252. mL to 31.25. L) and specimen masses (< 1-2560 g wet mass). These data add respiration rates over a wider mass range to five gelatinous genera - Cestum, Geryonia, Rhizostoma, Mnemiopsis, Solmissus and provide the first respiration rate of the fragile ctenophore Leucothea multicornis. In situ data are compared with laboratory rates and trends developed for several species by adding to previously published work. Finally these data do not significantly elevate the allometric slope of a gelatinous zooplankton carbon mass: respiration rate (b = 0.795) relationship, despite increasing both the mass range and sample size.
机译:胶状浮游动物正越来越多地被纳入生态系统模型中。但是,对于大多数物种,其呼吸和排泄过程了解得很少,因此很难进行准确的模型预测。易碎性和广泛的大小范围已导致针对不同物种使用多种方法,其中一些方法在原位,而其他方法则在实验室条件下使用。这使得比较研究和将数据整合到模型中变得困难。在大范围的培养箱尺寸(252. mL至31.25。L)和标本质量(湿态<1-2560 g)中,使用相同的方法,氧气氧气已用于获得7种(n = 65个个体)的呼吸速率质量)。这些数据为五个糊状属-延胡索,Geryonia,根瘤菌,Mnemiopsis,Solmissus添加了更宽质量范围的呼吸速率,并提供了脆弱的c虫多角藻Leucothea multicornis的第一个呼吸速率。通过增加以前发表的工作,将原位数据与实验室速率和几种物种的发展趋势进行比较。最后,尽管增加了质量范围和样本量,但这些数据并未显着提高凝胶状浮游动物碳质量:呼吸速率(b = 0.795)关系的斜率。

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    《Oceanographic Literature Review》 |2015年第9期|2126-2128|共3页
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