Abstract
Since the early (1) ′80s / 1980s / 1980s, birds have been commonly used as a bio-indicator due to their immediate response to changes in food availability, abundance and weather conditions. We studied the reproductive biology of the eagle during (2) five / 5 breeding seasons in the Lake District, England. We monitored (3) one hundred and nine / 109 nests associated with about (4) ten / 10 pairs of eagles. (5) Twenty four thousand six hundred and seventy two / A total of 24,672 eggs were laid during the (6) five year / 5-year / five-year period. The Nearest Neighbor Distance was (7) 19,6 ± 15,0 / 19.6 ± 15.0. Hatching success was (8) the 74% / 74%. The overall breeding success averaged (9) twenty-five per cent / 25% and was very variable between years.
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Wallwork, A. (2013). Numbers. In: English for Academic Research: Grammar Exercises. English for Academic Research. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-4289-9_16
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DOI: https://doi.org/10.1007/978-1-4614-4289-9_16
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