00000nam 2200000zi 4500 9.952668 CaOODSP 20250625104859 m o d f cr |n||||||||| 250625s1929 oncb ob f|0| 0 eng d CaOODSP eng rda CaOODSP n-cn-on Fs52-3/64E-PDF Pentland, Ernest S., author. Report of field work on distribution and limiting factors of Gammarus limnaeus and Gammarus fasciatus / E.S. Pentland. [Ottawa] : Biological Board of Canada, 1929. 1 online resource (12, [2] pages) : maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Manuscript reports of the biological stations ; no. 64 Digitized edition from print [produced by Department of Fisheries and Oceans]. Includes bibliographical references (page 12). "The object of this investigation was to determine the limiting factors in the distribution of the two Ontario species of Gammarus, limnaeus and fasciatus, and the optimal physical, chemical, and biological conditions for their growth and reproduction"--page [1]. Gammarus Ontario Geographical distribution. Gammarus Habitat Ontario. Gammarus Ontario Distribution géographique. Gammarus Habitat Ontario. Biological Board of Canada, issuing body. Manuscript reports of the biological stations ; no. 64. (CaOODSP)9.899091 PDF 10.90 MB https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs52-3/Fs52-3-64-eng.pdf