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Editorial
. 2021 Feb;50(2):266-268.
doi: 10.1007/s13280-020-01439-0.

The discovery and early study of acidification of lakes in Sweden : This article belongs to Ambio's 50th Anniversary Collection. Theme: Acidification

Brodde Almer  1 , William Dickson  2
Affiliations
Editorial

The discovery and early study of acidification of lakes in Sweden : This article belongs to Ambio's 50th Anniversary Collection. Theme: Acidification

Brodde Almer et al. Ambio. 2021 Feb.
No abstract available

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Figures

Fig. 1
Fig. 1
Erik Andreasson started angling in Lake Tolsjön (57° 42′ 1.5″ N, 12° 15′ 21.4″ E, east of Gothenburg, Sweden) around 1910 when roach (Leuciscus rutilus) were big and few—no reproduction. Only 5 years later, they had disappeared completely. The last pike (Exox lucius) caught around 1930. At that time nearly all perch (Perca fluviatilis) individuals were small. In the 1950s, perch individuals were much fewer but bigger suggesting hampered reproduction; the last ones were caught around 1960 and had a weight of 0.5 kg. By then, the 2.2 ha and 9 m deep Lake Tolsjön was void of fish! Intervju and photo 1983 by Brodde Almer
Fig. 2
Fig. 2
The missing figure on the link between pH and aluminum in lake water that did not make it into the original article. High and toxic levels of aluminum are found in lake water at pH < 6. Considering that soils contain large stocks of soluble aluminum that may be transported to the lakes, this is of high concern (Dickson 1975)
See this image and copyright information in PMC

References

    1. Almer, B. 1972. The effect of acidification on the lakes of the west coast of Sweden. Information 12. Drottningholm: Institute of Freshwater Research.
    1. Almer B, Dickson W, Ekström C, Hörnström E. Effects of acidification on Swedish lakes. Ambio. 1974;3:30–36.
    1. Dickson, W. 1975. The acidification of Swedish lakes. Report No. 54. Drottningholm: Institute of Freshwater Research.
    1. Erichsen Jones JR. The relation between the electrolytic solution pressures of the metals and their toxicity to the stickleback (Gasterosteus aculeatus L.) Journal of Experimental Biology. 1939;16:425–437.

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