00000000nam 2200000zi 4500
0019.951292
003CaOODSP
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006m     o  d f      
007cr bn|||||||||
008250522t19951995abcbd   ob   f000 0 eng d
020 |a0662235592|qprint
040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn-ab|an-cn-bc
0861 |aR71-49/3-56E-PDF|zR71-49/3-56E
1001 |aScrimgeour, Garry J, |eauthor.
24510|aLong-term trends in ecosystem health : |bquantitative analysis of river benthic invertebrate communities, Peace and Athabasca Rivers / |cprepared for the Northern River Basins Study under project 2616-C1 by Garry J. Scrimgeour and Patricia A. Chambers, Joseph M. Culp, Kevin J. Cash and Mark S. Ouellette.
264 1|aEdmonton, Alberta : |bNorthern River Basins Study, |c1995.
264 4|c©1995
300 |a1 online resource (xv, 107 pages, 70 unnumbered pages) : |bcharts, maps.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aNorthern River Basins Study project report, |y1192-3571 ; |vno. 56
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
500 |a"June 1995."
504 |aIncludes bibliographical references (pages 98-105).
520 |a"The aim of this report is to assess trends in benthic macroinvertebrate community structure in the Peace-Athabasca Rivers. This work forms part of a larger project whose objective is to develop a data base that can be used to assess the cumulative effects of development on the aquatic resources of the Peace-Athabasca River systems. The specific objectives of this report were: (1) to describe and compile existing long-term data sets for the Peace, Athabasca and Slave Rivers, (2) to the extent possible, review benthic sampling procedures used to produce each data set and the sampling deficiencies associated with them, and (3) where appropriate, perform quantitative statistical analyses on the data set to determine whether patterns in benthic community structure are consistent with those predicted impacts from point-source inputs"--Report summary.
530 |aIssued also in print format.
650 0|aAquatic invertebrates|zAlberta|zAthabasca River.
650 0|aAquatic invertebrates|zPeace River (B.C. and Alta.)
650 0|aAquatic ecology|zAlberta.
650 0|aFreshwater ecology|zAlberta.
650 6|aInvertébrés aquatiques|zAlberta|zAthabasca, Rivière.
650 6|aInvertébrés aquatiques|zPaix, Rivière de la (C.-B. et Alb.)
650 6|aÉcologie des eaux|zAlberta.
650 6|aÉcologie d'eau douce|zAlberta.
7102 |aNorthern River Basins Study (Canada)‏, |eissuing body.
7760#|tLong-term trends in ecosystem health : |w(CaOODSP)9.612379
830#0|aNorthern River Basins Study project report ;|vno. 56.|w(CaOODSP)9.883506
85640|qPDF|s6342 KB|uhttps://publications.gc.ca/collections/collection_2025/eccc/r71/R71-49-3-56-eng.pdf