| 000 | 00000nam 2200000zi 4500 |
| 001 | 9.931794 |
|---|
| 003 | CaOODSP |
|---|
| 005 | 20241112150059 |
|---|
| 006 | m o d f |
|---|
| 007 | cr |n||||||||| |
|---|
| 008 | 231227e197010 oncad ob f000 0 eng d |
|---|
| 040 | |aCaOODSP|beng|erda|cCaOODSP |
|---|
| 043 | |an-cn-on |
|---|
| 086 | 1 |aCW66-1411/1970E-PDF |
|---|
| 100 | 1 |aWebb, Madelyn F. |q(Madelyn Frances), |d1947- |eauthor. |
|---|
| 245 | 10|aEffects of pesticides on ecosystems : |bI. preliminary report on some properties of Dursban / |cby Madelyn F. Webb. |
|---|
| 264 | 1|a[Ottawa] : |bCanadian Wildlife Service, |cOctober 1970. |
|---|
| 300 | |a1 online resource (15 unnumbered pages) : |billustrations, charts |
|---|
| 336 | |atext|btxt|2rdacontent |
|---|
| 337 | |acomputer|bc|2rdamedia |
|---|
| 338 | |aonline resource|bcr|2rdacarrier |
|---|
| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
|---|
| 504 | |aIncludes bibliographical references. |
|---|
| 650 | 0|aBiotic communities|zOntario. |
|---|
| 650 | 0|aPesticides|xEnvironmental aspects|zOntario. |
|---|
| 650 | 6|aÉcosystèmes|zOntario. |
|---|
| 650 | 6|aPesticides|xAspect de l'environnement|zOntario. |
|---|
| 710 | 2 |aCanadian Wildlife Service, |eissuing body. |
|---|
| 856 | 40|qPDF|s822 KB|uhttps://publications.gc.ca/collections/collection_2024/eccc/cw66/CW66-1411-1970-eng.pdf |
|---|