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Displaying results 1 - 9 of 9Click/tap on any title to see full details of the record
Simmons R, Barnard P, MacWhirter B, Hansen GL 1986. The influence of microtines on polygyny, productivity, age, and provisioning of breeding Northern Harriers - a 5-year study. Canadian Journal of Zoology 64 (11) 2447 - 2456
Downloadable files:
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The influence of microtines on polygyny_productivity_age_and provisioning of breeding Northern Harriers.pdf 917.11 KB
Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z86-365
Barnard P, Simmons R, Jackson HD, Goodman SM, Cyrus DP, Herholdt JJ 1986. Short Notes. Ostrich: Journal of African Ornithology 57 (2) 107-114
Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1986.9634133
Simmons R, Barnard P, Smith PC 1987. Reproductive Behaviour of Circus cyaneus in North America and Europe: A Comparison. Ornis Scandinavica 18 (1) 33-41
Website link:http://www.jstor.org/discover/10.2307/27669756?uid=4&sid=21100861900201
Barnard P, MacWhirter B, Simmons R, Hansen GL, Smith PC 1987. Timing of breeding and the seasonal importance of passerine prey to northern harriers (Circus cyaneus). Canadian Journal of Zoology 65 (8) 1942-1946
Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-295
Simmons R, MacWhirter B, Barnard P, Hansen GL 1987. Erratum: The influence of microtines on polygyny, productivity, age, and provisioning of breeding Northern Harriers: a 5-year study. Canadian Journal of Zoology 65 (9) 2324
Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-350
Barnard P, Simmons R 1986. The functions of leg-lowering in territorial predatory birds. Ostrich: Journal of African Ornithology 57 (2) 107 - 109
Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1986.9634133#.VSZ-Xmf9kpE
Barnard P, MacWhirter B, Simmons R, Hansen GL, Smith PC 1987. Timing of breeding and the seasonal importance of passerine prey to Northern Harriers (Circus cyaneus). Canadian Journal of Zoology 65 (8) 1942 - 1946
Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-295#.VS0agGf9kpE
Simmons R, Barnard P 2009. How will birds cope with climate change?. Birdlife South Africa (December 2009/January 2010) 78-79
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Birds_and_Climate_change.pdf 188.08 KB
Barnard P, Roberts K, Simmons R, Seely MK, Nakanuku L, Kolberg H, Hay C 2003. An integrated framework for wetland health monitoring in Dryland Namibia. Conference: Proceedings of the International Conference on Environmental Monitoring of Tropical and Subtropical Wetlands, At Maun, Botswana, 4-7 December 2002. Proceedings of the International Conference on Environmental Monitoring of Tropical and Subtropical Wetlands, 4-7 December 2002
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An integrated framework for wetland health monitoring in dryland Namibia_2003.pdf 335.36 KB
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