Report on Harmonisation of freshwater biological methods

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PLEENLGBcameras; recording of abundance andspecies in littoral zone of the lakeaugmented with emergents readilyidentifiable at distance; believed to betransect using grapnel from boatfields observations: occurrence ofsubmerged and emergent sensitiveangiosperm taxa; plant survey(Braun-Blanquet, 1964)mapping of the species of the wholelake, rake method, distribution depth.vegetation is sampled with a rake,1000 sample points, cover estimatedby eye in eight classes per species,Charophytes and mosses are alsosampled, but determined at genusleveltransect survey with grapnel;transects using a double headed rake;believed to be transect with grapnelBALTICplant composition, presenceof indicator species,diversity of plantcommunitiesspecies composition, speciesdiversity, coverage anddistribution depth PVI(percent volume infested)CENTRALspecies composition ,Tensley scale per speciesavailablespecies list, number ofspeciescolonisation index, indexof the age of ecosystem,synanthropisation index,area covered by particularplant communitiesrelative abundance, depthdistribution, density (shootsper m2*, PVI)total covered area,submerged macrophytes,Tansley scalerelative abundance, ranked1-4, abundance usingDAFOR scaleBEPLNLDENLESIEshore-based, rake (littoral); grid, boat, type specific speciesgrapnel (whole lake)(abundance weighted),disturbance indicators,growth formsPlant survey (Braun-Blanquet, 1964). presence of indicatorspecies, diversity of plantcommunities.Tansley scale sampling on 50 metertransects, including charophytestransect method with boat andrake/grab; mapping of ecologicallyhomogenous sections of the wholelittoral zone New method for WFD,method of mapping (Kohler, 1978);aquatic spermatophyta, pteridophyta,characeae, bryophyta, rake (Jensen,1977, Engel and Nichols, 1994,Karttunen and Toivonen, 1995)Tansley, Charophytes are alsosampled, but determined at genuslevelspecies, tansley scalemapping specificcompositionTansley scaleMEDITERRANEANmanual sample collection and grabber species abundancesamplersNORDICshoreline examinations and sampling frequency of occurrence,at 6m intervals along transects from indicator taxa, group ratiosshoreline using rake and underwatercameras.cover/ frequency (Tansley);aquatic vegetation, shorevegetationcolonisation index, index ofthe age of ecosystem,synanthropisation index,area covered by particularplant community,abundance.abundance, tansley scaleabundance(semiquantative),abundance in differentsoundings (Kohler, 1978)5 point scale according toBraun-Blanquetcover of growth forms areestimated% coverabundance, weight ofdiscrete samples60
NO qualitativ method species number, ALS relative abundance, areacoverageNOSEplants recorded using aqua scope andcollected by dredging from boat,whole-lake investigation with respectto species richness, quantitativeestimate of the percentage coveragefor randomly selected squares alongone transect.species richness, indicatorscoresIE inshore transects using rake frequency of occurrence,indicator taxa, group ratiosrelative abundanceabundance of the species isscored by ascale(1=rare,2=scattered,3=common, 4=locallydominant and 5=dominant)area coverage - expertopinionpercentage coverrelative abundanceBENTHIC INVERTEBRATES21. The percentage of lakes for which benthic invertebrates are sampled within theGIGs is for part most below 40%, with exception of AT and CE (Fig. 21).Benthic invertebratesper GIG%9080706050403020100Al AT BA CE EC ME NOFigure 21. Percentage of lakes sampled for benthic invertebrates in the GIGs.22. Sampling frequency is variable between GIGs, the most common frequencies are1 or 2-6 times per year, but EC countries sample a few lakes 7-12 times per year, andthe BA, AT and AL include a combination of different sampling frequencies (Fig.22). Sampling occurs mostly in spring and summer but in the AL and NO GIGs it isperformed most often in the Autumn (Fig. 23).61
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Institute for Environment and Susta
Page 3 and 4:
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 and 56: Sampling stations%1008060402001 2-1
Page 57 and 58: MACROPHYTES16. The aquatic Macrophy
Page 59: Plants sampled per GIG1008060%40Eme
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
Page 108 and 109: 108
Page 110 and 111:
development of typologySweden Yes,
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one or other option depends on the
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114
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• An integrated holistic evaluati
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• Phytoplankton: Yes; Clorophyll
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• Macroalgae: No• Benthic inver
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• Macrophytes: No• Macroalgae:
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Mission of the JRCThe mission of th
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Report on Harmonisation of freshwater biological methods

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