privatedoubleetaPopulate=40;// parameter linking surface of a basin and S_etoile; Should be superior at eta (eta = 2.4 in ReproduceAndSurviveAfterReproduction).
privateintnbFishPerSI=2500;
privatedoubleinitialLength=2.;
privatedoubleetaPopulate=40.;// parameter linking surface of a basin and S_etoile; Should be superior at eta
// (eta = 2.4 in ReproduceAndSurviveAfterReproduction).