| 000 | 00000nam 2200000za 4500 |
| 001 | 9.613930 |
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| 003 | CaOODSP |
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| 005 | 20240527135427 |
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| 007 | ta |
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| 008 | 150406|1999||||xxc||||| f|0| 0 eng d |
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| 020 | |a0-662-25913-0 |
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| 022 | |a0831-6481 |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn--- |
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| 086 | 1 |aCW69-5/290E |
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| 110 | 2 |aCanadian Wildlife Service. |
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| 245 | 10|aRe-examination of the relationship between constructed impoundment age and waterbird use / |cby Josette L. Maillet, Collin M. MacKinnon and J. Bruce Pollard. |
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| 260 | |aSackville - New Brunswick : |bEnvironment Canada. |c1999. |
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| 300 | |av, 30p. : |bfigs. ; |c28 cm. |
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| 490 | 1 |aTechnical report series|x0831-6481|v290 |
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| 500 | |a"The relationship between impoundment age and waterfowl and wetland obligate bird use of 32 selected freshwater impoundments in the Chignetoc border region was examined in 1996. Previous studies have indicated that primary productivity declines with impoundment age after initial flooding. Waterfowl and marshbird productivity was assumed to decline with impoundment age as well, concurrent with the observed decline in nutrient levels. An examination of wetland avifauna use versus age of impoundment was the focus of this study."--Abstract. |
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| 504 | |aBibliography. |
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| 520 | 3 |aThe relationship between impoundment age and waterfowl and wetland obligate bird use of 32 selected freshwater impoundments in the Chignetoc border region was examined in 1996. Previous studies have indicated that primary productivity declines with impoundment age after initial flooding. Waterfowl and marshbird productivity was assumed to decline with impoundment age as well, concurrent with the observed decline in nutrient levels. An examination of wetland avifauna use versus age of impoundment was the focus of this study.--Abstract |
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| 530 | |aIssued also in electronic format. |
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| 546 | |aRésumés en français |
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| 563 | |aRing binding |
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| 590 | |a00-03|b2000-01-21 |
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| 690 | 07|aWetlands|2gcpds |
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| 690 | 07|aBirds|2gcpds |
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| 690 | 07|aConservation areas|2gcpds |
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| 720 | 1 |aMaillet, Josette L. |
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| 720 | 1 |aMacKinnon, Collin M. |
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| 720 | 1 |aPollard, J. Bruce |
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| 776 | 0#|tRe-examination of the relationship between constructed impoundment age and waterbird use |w(CaOODSP)9.857947 |
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| 830 | #0|aTechnical report series,|x0831-6481|v290|w(CaOODSP)9.514492 |
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