Data from: The effects of lipid extraction on δ13C and δ15N values and use of lipid-correction models across tissues, taxa, and trophic groups

Lipid-rich animal tissues have low δ13C values, which can lead to inaccurate ecological inferences. Chemical lipid extraction (LE) or correction models account for this depletion, but the need for LE or correction is tissue- and species-specific. Also, LE can alter δ15N values, increasing labor and costs because bulk samples must be analyzed for δ15N values separately. We studied the effects of LE on δ13C and δ15N values in liver, muscle, and skin of common bottlenose dolphins (Tursiops truncatus) and West Indian manatees (Trichechus manatus), two ecologically important species that occupy different trophic levels. We fit lipid-correction models to each species. We also performed a meta-analysis to more broadly determine the effects of LE across taxa, tissues, and trophic groups (carnivores, omnivores, and herbivores) and to fit lipid-correction models to different taxonomic and trophic groups. Lipid extraction increased the δ13C values in dolphin tissues but had little effect on manate...富含脂质的动物组织具有较低的δ¹³C值，这可能导致生态推断出现偏差。化学脂质萃取（Chemical Lipid Extraction，LE）或同位素校正模型可抵消这种同位素损耗带来的影响，但是否需要开展LE或同位素校正需因组织与物种而异。此外，LE可能会改变δ¹⁵N值，且需单独对全组织样品开展δ¹⁵N值分析，从而增加实验工作量与成本。本研究以两种生态重要性物种——宽吻海豚（*Tursiops truncatus*）和西印度海牛（*Trichechus manatus*）——的肝脏、肌肉及皮肤组织为研究对象，探究了LE对其δ¹³C与δ¹⁵N值的影响，这两个物种占据不同的营养级。我们分别为两个物种拟合了脂质校正模型。此外，我们还开展了一项荟萃分析，以更全面地明确LE在不同分类类群、组织及营养类群（食肉动物、杂食动物与植食动物）中的效应，并为不同分类学类群与营养类群拟合脂质校正模型。脂质萃取提升了海豚组织的δ¹³C值，但对海牛……