Functional differences in the allometry of the water, carbon and nitrogen content of gelatinous organisms
MetadataShow full item record
AuthorsMolina-Ramírez, A.; Cáceres, C.; Romero-Romero, S.; Bueno-Pardo, J. (Juan); González-Gordillo, J.I. (Juan Ignacio); Irigoien, X. (Xabier); Sostres, J.A. (Jorge A.); Bode, A. (Antonio); Mompeán-de-la-Rosa, M.C. (María del Carmen); Fernández-de-Puelles, M.L. (María Luz); Echevarría, F. (Fidel); Duarte, C.M. (Carlos Manuel); Acuña, J.L.
We have supplemented available, concurrent measurements of fresh weight (W, g) and body carbon (C, g) (46 individuals, 14 species) and of body nitrogen (N, g) and C (11individuals, 9 species) of marine gelatinous animals with data obtained during the global ocean expedition MALASPINA 2010 (totalling 267 individuals and 33 species for the W vs. C data; totalling 232 individuals and 31 species for the N vs. C data). We then used those data to test the allometric properties of the W vs. C and N vs. C relationships. Overall, gelatinous organisms contain 1.13±1.57% of C (by weight, mean±SD) in their bodies and show a C:N of 4.56±2.46, respectively, although estimations can be improved by using separate conversion coefficients for the carnivores and the filter feeders. Reduced Major Axis Regression (RMA) indicates that W grows isometrically with C in the carnivores (cnidarians and ctenophores), implying that their water content can be described by a single conversion coefficient of 173.78 ...
The following license files are associated with this item: