Predictions & Data for this entry

Model: abj climate: MC migrate: phylum:
COMPLETE = 3.5 ecozone: MAN food: biPp class:
MRE = 0.242 habitat: 0jMp, jiMb gender: D order:
SMSE = 0.250 embryo: Mp reprod: O family:

Zero-variate data
ab 5 2.749 (0.4502)dage at birthWijs2011
tj10.5 10.32 (0.0175)dtime since birth at metamWijs2011
tp492 526.8 (0.07074)dtime since birth at pubertyWijs2011
am2555 2555 (5.688e-06)dlife spanWijs2011
Lb0.0136 0.005494 (0.5961)cmshell length at birthWijs2011
Lj0.045 0.0789 (0.7533)cmshell length at metamWijs2011
Lp4.841 4.325 (0.1067)cmshell length at pubertyWijs2011
L730 8 8.487 (0.06086)cmshell length at 730 dWijs2011
L1825 15 11.31 (0.246)cmshell length at 1825 dWijs2011
Li17.1 11.8 (0.3097)cmultimate total lengthWijs2011
Wdi1.831 2.186 (0.1939)gultimate ashfree dry weightWijs2011
GSI0.025 0.02398 (0.04096)-gonado somatic indexWijs2011
Fm5.3 3.959 (0.2529)L/hmaximum spec filtering rateWijs2011
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL see Fig. 1 (0.148)time since birthshell lengthWijs2011
LJO see Fig. 2 (0.3955)shell lengthO2 consumptionWijs2011
LW see Fig. 3 (0.1324)shell lengthwet weightCardWijs2011
LCR see Fig. 4 (0.3416)shell lengthclearance rateWijs2011
Pseudo-data at Tref
DataGeneralised animalEnsis directusUnitDescription
v 0.02 0.001499cm/denergy conductance
kap 0.8 0.9718-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 31.02J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8-growth efficiency


  • This entry is discussed in Wijs2011 (ref: Wijs2011)


  • [Wiki]
  • [CardWijs2011] J. F. M. F. Cardoso, J. Wijsman, G. Nieuwland, J. van der Meer, R. Witbaard, and H. van der Veer. Determination of growth and Dynamic Energy Budget (DEB) parameters for Ensis directus (L.). Technical report, NIOZ, Texel, 2011.
  • [KameBrum2011] P. Kamermans, E. Brummelhuis, and J. W. M. Wijsman. First pioneering laboratory experiments on filtration, respiration and growth of the razor clam (Ensis directus, Conrad) at different food concentrations. Technical report, IMARES, 2011.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [Wijs2011] J. W. M. Wijsman. Dynamic energy budget parameters for Ensis directus. Technical Report C116/11, IMARES, 2011.

Bibtex file with references for this entry

Jeroen Wijsman, Bas Kooijman, 2011/09/15 (last modified by Bas Kooijman 2013/05/27)

accepted: 2015/12/22

refer to this entry as: AmP Ensis directus version 2015/12/22