Predictions & Data for this entry

Model: abj	climate: MB, MC, ME	migrate:	phylum: Chaetognatha
COMPLETE = 2.5	ecozone: MN, MAN, MAb, MPN	food: biPz	class: Sagittoidea
MRE = 0.079	habitat: 0iMp	gender: Hh	order: Aphragmophora
SMSE = 0.013	embryo: Mp	reprod: O	family: Sagittidae

Zero-variate data

Data	Observed	Predicted	(RE)	Unit	Description	Reference
ah	2.8	2.794	(0.001991)	d	age at hatch	Pear1991
ab	10	10.28	(0.02807)	d	age at birth	Pear1991
tp	55	56.69	(0.03077)	d	time since birth at puberty	guess
am	730	740.6	(0.01451)	d	life span	Dunb1962
Lb	0.17	0.22	(0.2942)	cm	total length at birth	Pear1991
Lp	2	1.957	(0.02137)	cm	total length at puberty	Dunb1962
Li	4.5	3.525	(0.2166)	cm	ultimate total length	Wiki
Wwb	1.9e-05	1.741e-05	(0.0836)	g	wet weight at birth	Pear1991
Wwi	0.066	0.07162	(0.08515)	g	ultimate wet weight	Pear1991
Ri	3.674	3.69	(0.004292)	#/d	maximum reprod rate	Pear1991

Uni- and bivariate data

Data	Figure	Independent variable	Dependent variable	(RE)	Reference
tL		time since birth	length	(0.08148)	Dunb1962

Pseudo-data at T_ref = 20°C

Data	Generalised animal	Parasagitta elegans	Unit	Description
v	0.02	0.02266	cm/d	energy conductance
p_M	18	227.4	J/d.cm^3	vol-spec som maint
k_J	0.002	0.002	1/d	maturity maint rate coefficient
k	0.3	0.0161	-	maintenance ratio
kap	0.8	0.959	-	allocation fraction to soma
kap_G	0.8	0.8002	-	growth efficiency
kap_R	0.95	0.475	-	reproduction efficiency
s_s	0.01	0.0001763	-	supply stress

Discussion

• Reproduction efficiency kap_R has been set to 0.95/2 because the species is simultaneous hermaphroditic

Facts

• protandrous hermaphrodite (testes mature before ovaries); internal fertilisation (Ref: Pear1991)

Bibliography

Citation