00000nam 2200000za 4500 9.867286 CaOODSP 20241203113645 cr ||||||||||| 190117s2003 onc #ot f|0| 0 eng d CaOODSP eng eng fre n-cn-on En13-5/03-189E-PDF Production at the bottom of the food chain (i.e. below fish) [electronic resource] : what we know about present conditions and future developments / Ora E. Johannsson ... [et al.]. Burlington, Ont. : Environment Canada, [2003] [53] p. : figures. NWRI contribution ; no. 03-189 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographic references. "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. Abstracts in English and French. gccst Lakes gccst Aquatic ecosystems Johannsson, Ora E. Canada. Environment Canada. National Water Research Institute (Canada) NWRI contribution ; no. 03-189. (CaOODSP)9.844121 PDF 2.04 MB https://publications.gc.ca/collections/collection_2019/eccc/En13-5-03-189-eng.pdf