EN 16859:2017

Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment

This European Standard provides guidance on methods for monitoring freshwater pearl mussel populations and the environmental characteristics important for maintaining populations in favourable condition. The standard is based on best practice developed and used by Margaritifera experts in Europe, and describes approaches that individual countries have adopted for survey, data analysis and condition assessment. While it is recommended that the causes for pearl mussel decline should be urgently investigated, standard methods for restoring populations are beyond the scope of this document.

Wasserbeschaffenheit - Anleitung für das Monitoring von Populationen der Flussperlmuschel (Margaritifera Margaritifera) und ihrer Umwelt

Diese Norm enthält Anleitungen zu Verfahren für das Monitoring von Populationen der Flussperlmuschel und der Umgebungsbedingungen, die für die Erhaltung von Populationen im günstigen Zustand wichtig sind. Die Norm beruht auf der von Experten für Margaritifera in Europa entwickelten und angewendeten bewährten Vorgehensweise und beschreibt Herangehensweisen, die einzelne Länder zur Erhebung, Datenauswertung und Zustandsbeurteilung festgelegt haben. Obwohl empfohlen wird, die Ursachen für den Rückgang der Perlmuschel dringend zu untersuchen, fallen genormte Verfahren zur Wiederherstellung von Populationen nicht in den Anwendungsbereich dieses Dokuments.

Qualité de l'eau - Norme guide sur le suivi des populations de moules perlières d'eau douce (Margaritifera margaritifera) et de leur environnement

La présente norme fournit des préconisations concernant les méthodes de suivi des populations de moules perlières d'eau douce et présente les caractéristiques environnementales importantes pour le maintien des populations dans des conditions favorables. La présente norme est basée sur les meilleures pratiques développées et utilisées par les experts de la Margaritifera en Europe, et décrit les approches que les différents pays ont adoptées pour le recensement, l'analyse des données et l'évaluation de la situation. Même s'il est recommandé de rechercher de toute urgence les causes du déclin de la moule perlière, les méthodes standardisées visant à restaurer les populations dépassent la portée du présent document.

Kakovost vode - Navodilo za spremljanje (monitoring) populacij sladkovodnih školjk potočnih bisernic (Margaritifera margaritifera) in njihovega okolja

Ta standard podaja navodilo za metode spremljanja populacije sladkovodnih školjk potočnih bisernic in okoljske značilnosti, ki so pomembne za vzdrževanje populacije v ugodnih pogojih. Standard temelji na najboljši praksi, ki so jo razvili in jo uporabljajo evropski strokovnjaki za bisernice, ter opisuje pristope, ki jih posamezne države uporabljajo za pregled, analizo podatkov in oceno pogojev. Med tem ko je priporočljivo, da naj bi se vzroke za znižanje populacije potočnih bisernic nujno raziskalo, ta dokument ne zajema standardnih metod za obnovo populacije.

General Information

• Status: Published
• Publication Date: 14-Feb-2017
• ICS: 13.060.70 - Examination of biological properties of water
• Technical Committee: CEN/TC 230 - Water analysis
• Drafting Committee: CEN/TC 230/WG 2 - Biological methods
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Completion Date: 20-Sep-2022
• Ref Project: SIST EN 16859:2017 - Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment

Standards Content (Sample)

SLOVENSKI STANDARD
01-junij-2017
.DNRYRVWYRGH1DYRGLOR]DVSUHPOMDQMHPRQLWRULQJSRSXODFLMVODGNRYRGQLK
ãNROMNSRWRþQLKELVHUQLF0DUJDULWLIHUDPDUJDULWLIHUDLQQMLKRYHJDRNROMD
Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera
margaritifera) populations and their environment
Wasserbeschaffenheit - Anleitung für das Monitoring von Populationen der
Flussperlmuschel (Margaritifera Margaritifera) und ihrer Umwelt
Qualité de l'eau - Norme guide sur le suivi des populations de moules perlières d'eau
douce (Margaritifera margaritifera) et de leur environnement
Ta slovenski standard je istoveten z: EN 16859:2017
ICS:
13.060.70 Preiskava bioloških lastnosti Examination of biological
vode properties of water
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 16859
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2017
EUROPÄISCHE NORM
ICS 13.060.70
English Version
Water quality - Guidance standard on monitoring
freshwater pearl mussel (Margaritifera margaritifera)
populations and their environment
Qualité de l'eau - Norme guide sur le suivi des Wasserbeschaffenheit - Anleitung für das Monitoring
populations de moules perlières d'eau douce von Populationen der Flussperlmuschel (Margaritifera
(Margaritifera margaritifera) et de leur environnement Margaritifera) und ihrer Umwelt
This European Standard was approved by CEN on 4 December 2016.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16859:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Monitoring and assessing the condition of a Margaritifera population. 12
4.1 Requirements for a sustainable Margaritifera population. 12
4.1.1 General . 12
4.1.2 Monitoring . 12
Table 1 — Checklist of monitoring recommended on mussel attributes in rivers with
Margaritifera . 13
4.2 Training and quality assurance for pearl mussel survey and assessment. 14
4.2.1 Pearl mussel survey . 14
4.2.2 Training manuals . 15
4.2.3 Data entry and validation . 15
4.2.4 Licences . 15
5 Monitoring the environmental conditions needed to support Margaritifera
margaritifera populations . 15
5.1 General . 15
5.2 Fish hosts . 16
5.2.1 Fish host species . 16
Table 2 — Checklist of monitoring recommended on fish hosts in rivers with Margaritifera . 16
5.2.2 Barriers to fish migration . 17
5.2.3 Host suitability . 17
5.3 Water quality . 17
5.3.1 General . 17
5.3.2 Phosphorus. 17
5.3.3 Nitrogen, including ammonia . 17
5.3.4 BOD / dissolved oxygen . 18
5.3.5 pH . 18
5.3.6 Calcium. 18
5.3.7 Alkalinity . 18
5.3.8 Electrical conductivity . 18
5.3.9 Temperature . 18
5.3.10 Contaminants . 19
5.3.11 Turbidity, suspended solids . 19
Table 3 — Checklist of monitoring recommended on water quality parameters in rivers
with Margaritifera . 19
5.3.12 Biotic indicators of water quality . 20
Table 4 — Checklist of monitoring recommended on biotic indicators in rivers with
Margaritifera . 21
5.4 Hydromorphology. 21
5.4.1 Monitoring requirements . 21
Table 5 — Checklist of monitoring recommended on flow and physical environmental
parameters in rivers with Margaritifera. 21
5.4.2 Flow . 22
5.4.3 Physical habitat structure . 23
Table 6 — Clast sizes relevant to Margaritifera habitat (according to EN ISO 14688-1:2002,
Table 1) . 24
5.4.4 Substrate quality . 24
5.4.5 Substrate stability . 25
5.4.6 Trees and wood . 25
5.4.7 Instream modifications . 25
6 Monitoring environmental pressures . 25
Table 7 — Checklist of environmental pressures recommended for risk-based monitoring
in rivers with Margaritifera . 26
7 Information needed to assess plans or projects on rivers with Margaritifera . 27
Table 8 — Checklist of questions that should be addressed to ensure that plans or projects
do not damage Margaritifera populations . 27
Annex A (informative) Background information on the environmental characteristics
important for maintaining populations of Margaritifera margaritifera . 29
A.1 Fish hosts . 29
A.1.1 Fish host species . 29
A.1.2 Barriers to fish migration . 29
A.1.3 Host suitability and stocking practices . 29
A.2 Water quality . 30
A.2.1 Phosphorus . 30
A.2.2 Nitrogen, including ammonia . 30
A.2.3 BOD /dissolved oxygen . 30
A.2.4 pH . 30
A.2.5 Calcium . 31
A.2.6 Alkalinity . 31
A.2.7 Electrical conductivity . 31
A.2.8 Temperature . 32
A.2.9 Contaminants . 32
A.2.10 Turbidity, suspended solids . 32
A.3 Biotic indicators of water quality . 33
A.3.1 Macroinvertebrates .
...