Temperature, Eicosapentaenoic Acid - metabolism, Metabolome, Seawater - chemistry, Spectroscopy, Fourier Transform Infrared, Discriminant Analysis, Global Warming, Animals, Climate Change, Ecosystem, Mass Spectrometry, Least-Squares Analysis, Principal Component Analysis, Copepoda - metabolism, Docosahexaenoic Acids - metabolism, Hydrogen-Ion Concentration