This study aims to obtain a clear picture of the t1 situation macrobenthosgemeenschap of soft substrates in the intertidal zone and the bank at the height of the beach of Nieuwpoort-Lombardsijde and the reference area Nieuwpoort Bad, and this in spring and fall of 2009. obtaining essential information and expert advice for the preparation of the EIA report, and in function further research. Three sub-aspects herein should be discussed to achieve (1) Measuring campaigns of the soft substrates (spring and autumn, intertidal and foreshore, biological and physico-chemical) (2) Processing, analysis, interpretation and reporting of the test results (as compared to the documented situations T0) (3) Provision of expert advice