Macroalgae and phytoplankton as indicators of ... - Naturstyrelsen

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Duarte, C.M. 1995: Submerged aquatic vegetation in relation to different nutrient regimes. - Ophelia 41: 87-112. Efron, B. & Tibshirani, R.J. 1993: An introduction to the bootstrap. Monographs on statistics and applied probability 57. Chapman Hall/ CRC, Boca Raton, USA. Gerlach, S.A. 1990: Nitrogen, phosphorus, plankton and oxygen deficiency in the German Bight and in Kiel Bay. - Kieler Meeresforschungen no. 7. University of Kiel. Juanes, J.A., Guinda, X., Puente, A. & Revilla, J.A. 2008: Macroalgae, a suitable indicator of the ecological status of coastal rocky communities in the NE Atlantic. - Ecological Indicators 8(4): 351-359. Kautsky, L., Andersson, C. & Dahlgren, S. 2004: Framtagning av nya bedömningsgrunder för kust och hav enligt ramdirektivets krav – Förslag til ekologisk kvalitetskvot (EQR) för den biologiska parametern makrovegetation. Rapport 2004-01-12. Botaniska Institutionen, Stockholms Universitet. Krause-Jensen, D., Laursen, J.S., Middelboe, A.L. & Stjernholm, M. 2001: NOVA – Teknisk anvisning for marin overvågning. Ch. 12. National Environmental Research Institute. Ministry of Environment and Energy, Denmark. (In Danish). Krause-Jensen, D., Carstensen, J. & Dahl, K. 2007a: Total and opportunistic algal cover in relation to environmental variables. - Marine Pollution Bulletin 55: 114-125. Krause-Jensen, D., Middelboe, A.L., Carstensen, J. & Dahl, K. 2007b: Spatial patterns of macroalgal abundance in relation to eutrophication. - Marine Biology 152: 25-36. Littler, M.M. & Littler, D.S. 1980: The evolution of thallus form and survival strategies in benthic marine macroalgae: field and laboratory tests of a functional form model. - American Naturalist 116: 25-44. Middelboe, A.L., Sand-Jensen, K. & Brodersen, K.P. 1997: Patterns of macroalgal distribution in the Kattegat-Baltic region. - Phycologia 36: 208-219. Middelboe, A.L., Sand-Jensen, K. & Krause-Jensen, D. 1998: Patterns of macroalgae species diversity in Danish estuaries. - Journal of Phycology 34: 457-466. Nielsen, R., Kristiansen, A., Mathiesen, L. & Mathiesen, H. 1995: Distributional index of the benthic macroalgae of the Baltic Sea area. - Acta Botanica Fennica 155: 1-51. Nielsen, S.L., Sand-Jensen, K., Borum, J. & Geertz-Hansen, O. 2002a: Phytoplankton, nutrients and transparency in Danish coastal waters. - Estuaries 25: 930-937. 72
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National Environmental Research Ins
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National Environmental Research Ins
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Contents Summary 5 Sammenfatning 6
Page 7 and 8:
Summary During the implementation o
Page 9 and 10:
1 Introduction This report is part
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Figure 2.1 Long-term trends in nitr
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Figure 2.2 Surface TN versus salini
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2.2.2 Nitrogen input-TN relationshi
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Flensborg Fjord on the ranked scale
Page 19 and 20:
Table 2.4 Suggested reference condi
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the gradient. These responses have
Page 23 and 24: Table 3.1 Overview of sampling area
Page 25 and 26: We assumed that mean values from th
Page 27 and 28: and 2005), averaged over the months
Page 29 and 30: The second component of the Spanish
Page 31 and 32: The variance of a macroalgae indica
Page 33 and 34: The levels of mean cumulated algal
Page 35 and 36: Figur 3.5 continued Modelled mean l
Page 37 and 38: while the fraction of opportunists
Page 39 and 40: 3.4.2 Physico-chemical variables Ph
Page 41 and 42: Figure 3.7 continued Mean modelled
Page 43 and 44: 3.4.3 Algal variables in relation t
Page 45 and 46: Figure 3.8 continued Cumulated cove
Page 47 and 48: inputs (Figures 3.9 and 3.10) where
Page 49 and 50: A Total algal cover (%) 100 95 90 8
Page 51 and 52: A 100 B 140 Total algal cover (%) 8
Page 53 and 54: A response to changes in nutrient c
Page 55 and 56: In its present form the Spanish ind
Page 57 and 58: 3.6 Conclusions • All algal varia
Page 59 and 60: gime shift after changing the sluic
Page 61 and 62: Figure 4.3 Estimated site-specific
Page 63 and 64: from Randers Fjord and Odense Fjord
Page 65 and 66: moderate boundaries. Reference dept
Page 67 and 68: 4.3 Evaluation of the precision of
Page 69 and 70: The 90-percentile was clearly subst
Page 71 and 72: 5 Conclusions and recommendations R
Page 73: 6 References Andersen, J., Markager
Page 78 and 79: 76 Appendix 1. Reference levels and
Page 84 and 85: Appendix 7. Modelled mean levels of
Page 86 and 87: Appendix 9. Modelled mean levels of
Page 88 and 89: Appendix 11. Modelled mean levels o
Page 90 and 91: Appendix 13. Results of power analy
Page 92 and 93: Appendix 18. Results of power analy
Page 94 and 95: NERI Technical Reports NERI’s web
Page 96: of Danish coastal waters 683 Macroa
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