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| Content Provider | Springer Nature Link |
|---|---|
| Author | Machado, A. Luísa Ferrand, Yves Gossmann, François Silveira, António M. Gonçalves, David |
| Copyright Year | 2007 |
| Abstract | The Eurasian Woodcock Scolopax rusticola is a resident species in Azores, Madeira and Canaries (Macaronesian archipelagos) in contrast to its mainly migrant continental populations. The biology and ecology of these insular populations are still poorly known; however, woodcocks are hunted in Azores and Madeira. This work aims to continuing bridging the gap between scientific knowledge and game management of woodcocks in Azores. Working at Pico Island, the main objectives were: (a) to characterize the roding activity of these insular populations, (b) to select the best period of the breeding season to perform a roding survey and (c) to evaluate how sensitive is this method to variations in abundance because of hunting. From January to July 2002, the number of contacts with roding birds (males) was recorded, at dusk, at three observation points. Roding started in the beginning of February and lasted until late June/early July. The weekly variation in the number of contacts was similar in all points, strongly suggesting that the roding survey should be performed between the beginning of March and middle April. Two of the three observation points, located in an area where woodcock hunting is allowed in alternate years, were surveyed between March 1 and April 15, 2001–2005. The two points presented a similar annual variation pattern in the number of contacts, also suggesting stability in abundance. Sex ratio among birds bagged during three consecutive hunting seasons (October–November, 2002–2004) or among birds collected periodically during two winters (2000–2002) was equal to one, suggesting that annual fluctuations by the roding survey can be extended to the female fraction. |
| Starting Page | 205 |
| Ending Page | 214 |
| Page Count | 10 |
| File Format | |
| ISSN | 16124642 |
| Journal | European Journal of Wildlife Research |
| Volume Number | 54 |
| Issue Number | 2 |
| e-ISSN | 14390574 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2007-09-05 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Scolopax rusticola Sedentary population Monitoring Breeding survey Animal Ecology Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology, Evolution, Behavior and Systematics Management, Monitoring, Policy and Law Nature and Landscape Conservation |
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