Lakes and Watercourses

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ENVIRONMENTAL QUALITY CRITERIA Lakes and Watercourses SWEDISH ENVIRONMENTAL PROTECTION AGENCY
TO ORDER Swedish Environmental Protection Agency Customer Services SE-106 48 Stockholm, Sweden TELEPHONE +46 8 698 12 00 TELEFAX +46 8 698 15 15 E-MAIL kundtjanst@environ.se INTERNET http://www.environ.se ISBN 91-620-5050-8 ISSN 0282-7298 © 2000 Swedish Environmental Protection Agency PRODUCTION ARALIA TRANSLATION Maxwell Arding, Arding Language Services AB DESIGN IdéoLuck AB PRINTED IN SWEDEN BY Lenanders, Kalmar 1 ST EDITION 700 copies
Page 1: Environmental Quality Criteria - La
Page 5 and 6: Reference Group Mats Bengtsson, Swe
Page 7 and 8: Summary This report on lakes and wa
Page 11 and 12: included. In addition to a large nu
Page 13 and 14: ased estimates are used. Given that
Page 15 and 16: TABLE 1. SUMMARY of parameters incl
Page 17 and 18: 16 The current conditions scale in
Page 19 and 20: (in Swedish with English summary).
Page 21 and 22: conditions for watercourse flora an
Page 23 and 24: show the availability of nitrogen i
Page 25 and 26: Mean concentration of total phospho
Page 27 and 28: TABLE 9. DEVIATION from reference v
Page 29 and 30: Comments Classifications must be ba
Page 31 and 32: winter/spring, i.e. ice-covered per
Page 33 and 34: Light conditions Introduction Light
Page 35 and 36: TABLE 13. CURRENT CONDITIONS: turbi
Page 37 and 38: Acidity / acidification Introductio
Page 39 and 40: industrial pH). The change in acidi
Page 41 and 42: The pre-industrial concentration of
Page 43 and 44: very high degree of reliability and
Page 45 and 46: TABLE 19. CURRENT CONDITIONS: metal
Page 47 and 48: TABLE 22. DEVIATION from reference
Page 49 and 50: TABLE 24. (continued) Cu Zn Cd Pb C
Page 51 and 52: Swedish EPA (1993): Metals and the
Page 53 and 54:
Assessment of current conditions TA
Page 55 and 56:
TABLE 29. CURRENT CONDITIONS: poten
Page 57 and 58:
TABLE 32. DEVIATION from reference
Page 59 and 60:
References Cronberg, G., Lindmark,
Page 61 and 62:
(see Appendix 1). If submerged and
Page 63 and 64:
References Andersson, B. (1998): Va
Page 65 and 66:
The genera in question and their tr
Page 67 and 68:
Benthic fauna Introduction Benthic
Page 69 and 70:
TABLE 41. CURRENT CONDITIONS: botto
Page 71 and 72:
Comments The assessment must be bas
Page 73 and 74:
has yielded better results than did
Page 75 and 76:
TABLE 45. CURRENT CONDITIONS: fish,
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
TABLE 48. (Contd.) Proportion of al
Page 84 and 85:
Presentation of data When using the
Page 86 and 87:
APPENDIX 1 Ceratophyllum demersum 1
Page 88 and 89:
APPENDIX 2 Calculation of index and
Page 90 and 91:
APPENDIX 2 Table 1b. Indicator gene
Page 92 and 93:
Genus Indicator value -------------
Page 94 and 95:
APPENDIX 2 45 Planorbis sp. 46 Anis
Page 96 and 97:
APPENDIX 2 214 Leuctra hippopus 215
Page 98 and 99:
APPENDIX 2 384 Tinodes waeneri 385
Page 100 and 101:
APPENDIX 2 (6) O/C index (Wiederhol
Page 102 and 103:
APPENDIX 3 Dace Stäm Leuciscus leu
Page 106:
REPORT 5050 Environmental Quality C
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