Thesis
Comparative breeding biology of some seabirds of Ascension Island
- Alternative title:
- with special reference to two species of Sula and the fairy Tern
- Abstract:
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The work of which this study is an account was carried out while the author was Deputy Leader of the British Ornithologists' Union Centenary Expedition to Ascension Island , from November 1957 to April 1959.
The objects of the expedition were to investigate the general breeding biology of the resident tropical seabirds with a view to discovering how the timing of their breeding was controlled. In most temperate birds the controlling factors are changes in day-length, temperature, a...
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Authors
- Publication date:
- 1961
- Type of award:
- DPhil
- Level of award:
- Doctoral
- Awarding institution:
- University of Oxford
- Language:
-
English
- Subjects:
- UUID:
-
uuid:f5e81601-75af-4a6e-bae4-7064c1a3f06e
- Local pid:
-
td:601894397
- Source identifiers:
-
601894397
- Deposit date:
-
2013-06-22
Terms of use
- Copyright holder:
- Dorward, Douglas F
- Copyright date:
- 1961
- Notes:
- The digital copy of this thesis has been made available thanks to the generosity of Dr Leonard Polonsky
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