Report on Harmonisation of freshwater biological methods

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Table 3. Phytobenthos sampling and metrics used in different countries within the GIGs..GIG/CountrySampling Method Composition Metric QuantityMetricALPINEDE epilithic diatoms species composition relative abundance according to400 counted valvesATLANTICGBdirect observation in thelittoral zonepresence/absence by directobservation.excessive growths of nuisancespecies such as Cladophora agg.BALTICEE species composition Biomass as chlorophyll aBEDiatoms relative abundance;sediment assemblage,epiphytesCENTRALrelative abundance ofindicator taxa (species)DE epilithic diatoms species composition andrelative abundanceDE (1) benthic diatoms attached Trophic state indexon reed and submerged (Hofmann 1994); IndexmacrophytesBRB (phosphorus(2) diatom remains from availability, Schönfelderdeepest point surface 1997)sediment (Niederreiter gravitycorer)DE epilithic diatoms species composition andrelative abundanceROKnopp methodPantle - Buck methodSR ISO 5667-2/98EASTERN CONTINENTALspecies list, indicator taxa;annual medium number ofspecies; annual mediumdensity of speciesMEDITERRANEANES submerged substrates species determinationrelative abundance (counts of500 valves)relative abundancerelative abundances(percentages) of each speciesrelative abundancenumber of ind/m256
MACROPHYTES16. The aquatic Macrophytes are widely used in the biological monitoring systems ofthe AT, BA and CE GIGs and less in all other GIGs (Fig. 16).Angiosperms per GIG%80706050403020100Al AT BA CE ME NOFigure 16. Percentage sampling Macrophytes in the GIGs.17. Sampling occurs mostly between 2 and 6 times per year, in some GIGs a smallernumber of lakes are sampled from 7 to 12 times per year (in the AT, BA, CE and NOGIGs) (Fig. 17), all during the summer or vegetation period (Fig. 18).Sampling frequencyNOMECEBAATAL12-67-12+120 20 40 60 80 100Figure 17. Macrophytes sampling frequency in the GIGs.%57
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Institute for Environment and Susta
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CONTENTSBackground and purpose of t
Page 5 and 6: Background and purpose of the docum
Page 7 and 8: States and candidate countries. Inf
Page 9 and 10: classification, each of these being
Page 11 and 12: BIOLOGICAL QUALITY ELEMENT: PHYTOPL
Page 13 and 14: indicators, species lists, frequenc
Page 15 and 16: 53. The identification and enumerat
Page 17 and 18: 64. In general, this technique is t
Page 19 and 20: RIVER BIOLOGICAL QUALITY ELEMENT: F
Page 21 and 22: 84. The development of specific sta
Page 23 and 24: practice guides for identification
Page 25 and 26: 100. The information received from
Page 27 and 28: Evaluation of the suitability of cu
Page 29 and 30: group should update its primary fin
Page 31 and 32: ReferencesAFNOR (Association Franç
Page 33 and 34: EN ISO 8689-2 Water quality - Biolo
Page 35 and 36: Lazaridou-Dimitriadou, M., C. Kouko
Page 37 and 38: Shannon, C.E. and W. Weaver, 1949.
Page 39: Annex I: Composition of the Geograp
Page 43 and 44: Annex III: River biological assessm
Page 45 and 46: Annex IV: Analysis of lake biologic
Page 47 and 48: Number of sampling stations10080%60
Page 49 and 50: IT 90% acetone spectrophotometricPT
Page 51 and 52: 10. The sampling depth and volume s
Page 53 and 54: PTESFIIE5667-2/98 Romanianstandardi
Page 55: Sampling stations%1008060402001 2-1
Page 59 and 60: Plants sampled per GIG1008060%40Eme
Page 61 and 62: NO qualitativ method species number
Page 63 and 64: indicators, species lists, frequenc
Page 65 and 66: 26. The sampling frequency is varia
Page 67: CEN/TC 230/WG 2/ TG 4 N28, 2 nd wor
Page 70 and 71: programs are based only on the diat
Page 72 and 73: 21. Some countries like France, Est
Page 74 and 75: Table 1. European methods for monit
Page 76 and 77: countries also covers Non-EU Member
Page 78 and 79: 49. The Danish Stream Fauna Index i
Page 80 and 81: Hungary58. Since 2002 a modificatio
Page 82 and 83: Acidification Index, based on the s
Page 84 and 85: Identification is predominantly to
Page 86 and 87: size of the net range between 250 t
Page 88 and 89: water bug genus (Aphelocheirus) and
Page 90 and 91: Table 5. Common abundance classific
Page 92 and 93: 108. Process Assessment focuses on
Page 94 and 95: Austria120. MuLFA: Ecological Integ
Page 96 and 97: Sweden126. Swedish fish Index: Appe
Page 98 and 99: ut comparisons have been made with
Page 100 and 101: seasons for sampling are summer and
Page 102 and 103: 102
Page 104 and 105: Consultation open to ECOSTAT &inter
Page 106 and 107:
Table 1. List of European standards
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development of typologySweden Yes,
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one or other option depends on the
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• An integrated holistic evaluati
Page 118 and 119:
• Phytoplankton: Yes; Clorophyll
Page 120 and 121:
• Macroalgae: No• Benthic inver
Page 122 and 123:
• Macrophytes: No• Macroalgae:
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Mission of the JRCThe mission of th
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