Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 13 references without a DOI — listed, not checked
no DOI — not checkedAndronikova, I. N., Drabkova, B. G., Kuzmenko, K. N., Michailova, N. F. & Stravinskaya, E. A. 1972. Biological productivity of the main communities of the Red Lake. Proc. IBP-UNESCO Symp. Prod. Probs. Freshw., Warszawa-Krakow, Poland 1972: 57?71.
no DOI — not checkedBottrell, H. H., Duncan, A., Glivicz, Z. M., Grygierek, E., Herzig, A., Hillbricht-Ilkowska, A., Kurasawa, H., Larsson, P. & Weglenska, T. 1976. A review of some problems in zooplankton production studies. Norw. J. Zool. 24: 419?456.
no DOI — not checkedBretschko, G.. 1973. Benthos production of a high-mountain lake: Nematoda. Verh. internat. Verein. Limnol. 18: 1421?1428.
no DOI — not checkedElmgren, R. 1973. Methods of sampling sublittoral soft bottom meiofauna. Oikos, Suppl. 15: 112?120.
no DOI — not checkedHolopainen, I. J. & Paasivirta, L. 1977. Abundance and biomass of the meiozoobenthos in the oligotrophic and mesohumic Lake Pääjärvi, southern Finland. Ann. Zool. Fennici 14: 124?134.
no DOI — not checkedKajak, Z. 1967. Uwagi w sprawie metod badania produkcji bentosu. Ekologia Polska Seria B 13: 173?195.
no DOI — not checkedKajak, Z. & Dusoge, K. 1967. Influence of artificially increased abundance of Chironomus plumosus on the benthos. Bull. de l'Acad. Polonaise des Sci. Cl. II. 15: 27?33.
no DOI — not checkedMason, W. T., Jr., Lewis, P. A. & Hudson, P. L. 1975. The influence of sieve mesh size selectivity on benthic invertebrate indices of eutrophication. Verh. internat. Verein. Limnol. 19: 1550?1561.
no DOI — not checkedMilbrink, G. 1969. Microgradients at the mud-water interface. Inst. Freshw. Res., Drottingholm, Rep. 49: 129?148.
no DOI — not checkedNeave, F. 1926. Reports of the Jaspet Park lakes investigations, 1925?26. IV. Aquatic insects. Can. Biol. Fish., Fish. Res. Board Can., N. Ser. 4: 185?195.
no DOI — not checkedSärkkä, J. & Paasivirta, L. 1972. Vertical distribution and abundance of the macro- and meiofauna in the profundal sediments of Lake Päijänne, Finland, Ann. Zool. Fennici 9: 1?9.
no DOI — not checkedStanczykowska, A. 1967. Comparison of the zoomicrobenthos occurring in the profundal of several lakes in northern Poland. Bull. de l'Acad. Polonaise des Sci. 15: 349?353.
no DOI — not checkedWinberg, G. G. 1971. Methods for the estimation of production of aquatic animals (translated from Russian by A. Duncan). Academic Press, London. 175 p.
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