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      <marc:subfield code="a">Sen, A. R.</marc:subfield>
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      <marc:subfield code="a">A review of some important techniques in sampling wildlife </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">A.R. Sen.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
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      <marc:subfield code="c">c1982.</marc:subfield>
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      <marc:subfield code="a">Occasional paper ; </marc:subfield>
      <marc:subfield code="v">no. 49</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Étude de quelques techniques importantes d'échantillonnage de la faune.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"This paper reviews some of the important methods for estimating animal numbers or densities based on (i) direct counts of population units as used in quadrat, strip, line-transect, and line-intercept sampling and (ii) indirect counts and indices, such as capture—mark—recapture, change-in-ratio, and catch—effort methods, and indices based on track, call, roadside, and pellet-group counts"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Sampling</marc:subfield>
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      <marc:subfield code="t">Étude de quelques techniques importantes d'échantillonnage de la faune </marc:subfield>
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      <marc:subfield code="a">Occasional paper (Canadian Wildlife Service)</marc:subfield>
      <marc:subfield code="v">no. 49</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.504780</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">2.84 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2018/eccc/CW69-1-49-eng.pdf</marc:subfield>
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