Breeding population estimates for three Leach's Storm-petrel colones [sic] in southeastern Newfoundland, 2001 / Gregory J. Robertson, Janet Russell and David Fifield.: CW69-5/380E-PDF
"Breeding populations of three major Leach's Storm-petrel (Oceanodroma leucorhoa) colonies in southeastern Newfoundland were surveyed in the summer of 2001. As area of occupied habitat was not well known on these islands, island-wide grids were established to determine the extent of petrel breeding habitat, and occupied burrow densities were assessed by grubbing.... The population on Gull Island and Green Island did not show signs of changing, while the Middle Lawn Island population has decreased by 47% since this last survey in 1981. Declines in petrel and Manx Shearwater (Puffinus puffinus) populations on Middle Lawn Island, suggest a local impact on breeding procellariiformes on this island. The establishment of a Iarge gull colony on nearby Offer Lawn Island may be affecting breeding tubenoses on Middle Lawn Island"--Summary, p. iii.
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| Title | Breeding population estimates for three Leach's Storm-petrel colones [sic] in southeastern Newfoundland, 2001 / Gregory J. Robertson, Janet Russell and David Fifield. |
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| Publication type | Monograph - View Master Record |
| Language | [English] |
| Format | Digital text |
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| Description | iii, 21 p. : ill., maps |
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