| 000 | 00000nam 2200000za 4500 |
| 001 | 9.850007 |
| 003 | CaOODSP |
| 005 | 20241203113641 |
| 007 | cr ||||||||||| |
| 008 | 180115s1985 oncd||||o f000 0 eng d |
| 040 | |aCaOODSP|beng |
| 043 | |an-cn--- |
| 086 | 1 |aCW69-9/156E-PDF |
| 100 | 1 |aSugden, Lawson G. |
| 245 | 10|aPrediction of duck nest survival in conventional and zero-tilled stubble fields |h[electronic resource] / |cby Lawson G. Sugden and Gerard W. Beyersbergen. |
| 260 | |a[Ottawa] : |bCanadian Wildlife Service, |c1985. |
| 300 | |a6 p. : |bcharts |
| 490 | 1 |aProgress notes ; |vno. 156 |
| 500 | |a"March 1985." |
| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
| 500 | |aIssued also in French under title: Prévision relative à la préservation des nids de canards sur les terres en chaume cultivées de façon traditionnelle ou par semis direct. |
| 504 | |aIncludes bibliographical references. |
| 520 | 3 |a"Survival of duck nests in stubble fields under conventional tillage as well as zero-tillage was predicted by comparing the chronology of stubble cultivation, spring seeding, and nest initiation dates"--Abstract. |
| 692 | 07|2gccst|aAquatic birds |
| 692 | 07|2gccst|aHabitats |
| 693 | 4|aDucks |
| 700 | 1 |aBeyersbergen, Gerard W. |
| 710 | 1 |aCanada. |bEnvironment Canada. |
| 710 | 2 |aCanadian Wildlife Service. |
| 775 | 08|tPrévision relative à la préservation des nids de canards sur les terres en chaume cultivées de façon traditionnelle ou par semis direct |w(CaOODSP)9.860699 |
| 830 | #0|aProgress notes (Canadian Wildlife Service)|vno. 156|w(CaOODSP)9.504439 |
| 856 | 40|qPDF|s267 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-9-156-eng.pdf |