00000000nam 2200000za 4500
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008190117s2003    onc    #ot   f|0| 0 eng d
040 |aCaOODSP|beng
041 |aeng|bfre
043 |an-cn-on
0861 |aEn13-5/03-189E-PDF
24500|aProduction at the bottom of the food chain (i.e. below fish) |h[electronic resource] : |bwhat we know about present conditions and future developments / |cOra E. Johannsson ... [et al.].
260 |aBurlington, Ont. : |bEnvironment Canada, |c[2003]
300 |a[53] p. : |bfigures.
4901 |aNWRI contribution ; |vno. 03-189
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographic references.
520 |a"The ultimate goal of‘ this review by the Lake Committee is to better understand the production base which supports the fish communities in the Lake Ontario ecosystem. The ecosystem encompasses embayments, the nearshore, an intermediate zone between the nearshore and offshore, and the truly offshore environment. This zonation genrally follows both temperature and structural-habitat gradients"--Abstract.
546 |aAbstracts in English and French.
69207|2gccst|aLakes
69207|2gccst|aAquatic ecosystems
7001 |aJohannsson, Ora E.
7101 |aCanada. |bEnvironment Canada.
7102 |aNational Water Research Institute (Canada)
830#0|aNWRI contribution ;|vno. 03-189.|w(CaOODSP)9.844121
85640|qPDF|s2.04 MB|uhttps://publications.gc.ca/collections/collection_2019/eccc/En13-5-03-189-eng.pdf