Loyalty Islands survey 1938 : Uvea Island summary : original map in file.
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Transcription
66. SKETCH MAP OF UVEA IS. SHOWING HABITAT AND DENSITY OF POPULATION OF NYMPHICUS CORNUTUS UVEAENSIS From notes made between Feb. 8th and June 24th, 1938 status and distribution of Nymphicus on Uvea Is., Loyalty Is., W. Pacific (sub-species confined to the area shown) Approx. Estimate: Reasonably accurate but subject to some + or - of 10-15% error Natural habitat entirely suitable for the species and inhabited at present date by the species. (Numbers given are approx. and include the birds of surrounding areas of shorter forest.) These areas may be considered as areas of dense population for the species and are areas not likely to be great encroached on or diminished to any great extent for many years to come under present condi- tions on the island. Only exceptional unforeseen or un- usual happenings are likely to alienate any extent of the area to the birds or decrease their numbers providing adequate protection from live bird fancier and native catcher persecution is granted to the species. Areas of shorter forest at present inhabited by small numbers of the species (sparse bird population) but capable of carrying a very much larger population as numbers increase. This area is at present much visi- ted by birds from more densely populated tall forest areas and carry a fair number of permanent birds which nest in the area. This area is subject to gradual diminition by increase of cultivation but only to a small extent unless the native population makes a very large and sudden increase; a more or less static position or saturation point having already been reached as regards cultivation and native ratio with the present population. Areas which are at present under cultivation but are still being visited by the species (heavy shading much, light shading, occasionally) but which will in time become entirely alienated to the species probably, unless it can adapt itself to the altered habitat. These areas may in course of time disappear and be quite unsuited to the species.