Registration number (WIID)Project No.TitleStatus
32263EN 16039:2011Water quality - Guidance standard on assessing the hydromorphological features of lakesIzstrādē
32125EN 15972:2011Water quality - Guidance on quantitative and qualitative investigations of marine phytoplanktonIzstrādē
34758EN 15910:2014Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methodsIzstrādē
79410EN 15843:2025Water quality - Guidance standard on determining the degree of modification of river hydromorphologyStandarts spēkā
28623EN 15843:2010Water quality - Guidance standard on determining the degree of modification of river hydromorphologyAtcelts
32516EN 15708:2009Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running waterIzstrādē
24872EN 15460:2007Water quality - Guidance standard for the surveying of macrophytes in lakesIzstrādē
23844EN 15204:2006Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique)Izstrādē
24309EN 15196:2006Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessmentIzstrādē
23980EN 15110:2006Water quality - Guidance standard for the sampling of zooplankton from standing watersIzstrādē
Displaying 741-750 of 841 results.