A Natural History of Lighthouses Love John a.
This is the story of lightkeepers' contributions to the natural history of lighthouses in conjunction with the history and maintenance of the manned navigation beacons - their primary function of…
Specifikacia A Natural History of Lighthouses Love John a.
This is the story of lightkeepers' contributions to the natural history of lighthouses in conjunction with the history and maintenance of the manned navigation beacons - their primary function of course - 'for the safety of all'. Since keepers were first engaged to maintain lighthouses around the UK coast they have encountered wildlife. Towards the end of the nineteenth century keepers were encouraged to submit annual returns of bird movements enabling reports on bird migration and several authoritative books to be compiled. As a result, ornithologists began to recognise how many lighthouses were well-placed to establish bird observatories - a few were in redundant lighthouses, often on offshore islands. However, lightkeepers also recognised that in certain weather conditions and during migration times, flocks of birds were attracted to the beam, resulting in many fatalities. While the
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