Predictions & Data for this entry

Model: abj climate: MA, MB, MC migrate:
COMPLETE = 3.5 ecozone: MAW food: biPp
MRE = 0.189 habitat: 0jMp, jiMb gender: D
SMSE = 0.176 embryo: Mp reprod: O

Zero-variate data
ab0.75 0.763 (0.0173)dage at birthKraeCast2001
aj 15 33.4 (1.227)dage at metamorphosis KraeCast2001, Ever1987
ap1095 1023 (0.06564)dage at pubertyEver1987
am3.65e+04 3.65e+04 (1.948e-07)dlife spanRigwRich2011
Lb0.008 0.003784 (0.527)cmdiameter of a D-larvaeKraeCast2001
Lj0.025 0.05357 (1.143)cmdiameter of a pediveliger larvaeKraeCast2001
Lp 3 3.592 (0.1974)cmshell lengthKraeCast2001
Li 11 13.62 (0.2386)cmultimate shell lengthRigwRich2011
Wwb2.2e-08 2.325e-08 (0.05678)gwet weight at birthKraeCast1982
Wdj7.5e-06 5.935e-06 (0.2086)gdry weight at metamorphosisLabaFern1999
Wdp0.25 0.2418 (0.03268)gdry weight at puberty KraeCast2001, HofmKlin2006
Wdi12.3 13.2 (0.07292)gultimate dry weightHofmKlin2006
Ri1.082e+05 1.082e+05 (8.728e-05)#/dmaximum reprod rate Ever1987, Anse1967
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL_RigwRich2011 see Fig. 1 (0.09765)time since birthshell lengthRigwRich2011
tL_RiceHick1989 see Fig. 2 (0.1025)time since birthshell lengthRiceHick1989
LWw_RiceHick1989 see Fig. 3 (0.3473)shell lengthwet weightRiceHick1989
LWd_CharShri2004 see Fig. 4 (0.2191)shell lengthdry weightCharShri2004
WdJO_BrowHeil2010 see Fig. 5 (0.148)dry weightOxygen consumptionBrowHeil2010
Pseudo-data at Tref
DataGeneralised animalMercenaria mercenariaUnitDescription
v 0.02 0.02293cm/denergy conductance
kap 0.8 0.9806-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 4.664J/^3vol-spec som maint
k_J 0.002 0.00058171/dmaturity maint rate coefficient
kap_G 0.8 0.783-growth efficiency
k 0.3 0.2999-maintenance ratio


  • [Anse1967] A. D. Ansell. Egg production of Mercenaria mercenaria. Limnol. Oneanogr., 12:172--176, 1967.
  • [BrowHeil2010] A. Brown, O. Heilmayer, and S. Thatje. Metabolic rate and growth in the temperate bivalve Mercenaria mercenaria at a biogeographical limit, from the English Channel. Journal of the Marine Biological Association of the United Kingdom, 90(5):1019--1023, 2010.
  • [CharShri2004] R. H. Carmichael, A. C. Shriver, and I. Valiela. Changes in shell and soft tissue growth, tissue composition, and survival of quahogs, Mercenaria mercenaria, and softshell clams, Mya arenaria, in response to eutrophic-driven changes in food supply and habitat. Journal of Experimental Marine Biology and Ecology, 313(1):75--104, 2004.
  • [Ever1987] A. G. Eversole. Species profiles: Life histories and environmental requirements of coastal fishes and invertebrates (South Atlantic) hard clam. Biological report, 82(11.75):1--33, 1987.
  • [HofmKlin2006] E. E. Hofmann, J. M. Klinck, J. N. Kraeuter, and E. Powell. Population dynamics model of the hard clam, Mercenaria Mercenaria: Development of the age-and length-frequency structure of the population. Journal of Shellfish Research, 25(2):417--444, 2006.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [KraeCast1982] J. N. Kraeuter, M. Castacna, and R. van Dessel. Egg size and larval survival of Mercenaria Mercenaria (L.) and Argopecten irradzans (Lamarck). J. exp. mar. Biol. Ecol., 56(1):3--8, 1982.
  • [KraeCast2001] J. N. Kraeuter and M. Castagna. Biology of the hard clam. Gulf Professional Publishing (Vol. 31), 2001.
  • [LabaFern1999] U. Labarta, M. J. Fernàndez-Reiriz, and A. Pérez-Camacho. Energy, biochemical substrates and growth in the larval development, metamorphosis and postlarvae of Ostrea edulis (L.). Journal of Experimental Marine Biology and Ecology, 238(3):225--242, 1999.
  • [RiceHick1989] M. A. Rice, C. Hickox, and I. Zehra. Effects of intensive fishing effort on the population structure of quahogs, Mercenaria mercenaria (Linnaeus, 1758), in Narragansett Bay. Journal of Shellfish Research, 8(2):345--354, 1989.
  • [RigwRich2011] I. D. Rigway, C. A. Richardson, E. Enos, Z. Ungvari, S. N. Austad, E. E. R. Philipp, and A. Csiszar. New species longevity record for the northern quahog (= hard clam), Mercenaria mercenaria. Journal of Shellfish Research, 30(1):35--38, 2011.

Bibtex file with references for this entry

Romain Lavaud, 2018/01/22

accepted: 2018/01/23

refer to this entry as: AmP Mercenaria mercenaria version 2018/01/23