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Status and distribution of the Black-cheeked Lovebird, Zambia

机译：黑脸颊的爱情鸟的状态和分布，赞比亚

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摘要

A survey of the Black-cheeked Lovebird Agapornis nigrigenis in 1994 resulted in much new information. About 10 000 live in mopane Colophospermum mopane woodland in south-west Zambia. They are localised with a high dependence on mopane woodland with permanent standing water. Some birds may also occur in the eastern part of Namibia's Caprivi strip, in the northern tip of Botswana and in the western tip of Zimbabwe. However, its status here is confused by the presence of feral lovebirds of more than one species. The core distribution is a disjointed belt of mopane woodland between the Zambezi and Kafue rivers. The distribution outside the dry season is wider and allied to the availability of ripening crops close to patches of mopane woodland or riverine forest. The total area of mopane woodland utilised is approximately 4550 km~2. The habitat is dynamic, reflecting gradual desiccation in the area. There are less permanent water sources available now than earlier this century and distribution has been affected by the successive drying up of a number of ephemeral rivers. Low availability of water in the dry season has probably been the principal factor causing lovebirds to desert the Bovu and Sinde rivers. Lovebirds are well-known by local people as they descend on crops, notably sorghum and millets. The general transition of these crops to maize in the second half of this century may have had an earlier impact on lovebird numbers and distribution. There was extensive trapping between the 1920s and 1960s, principally for the pet bird trade. This trade is uncommon now, though a few isolated incidences occur. Lovebirds are still trapped for food and some are killed as pests, but these activities probably have no serious long-term impacts on the population at present trapping levels.
机译：1994年对黑颊爱情鸟Agapornis nigrigenis进行的一项调查得出了许多新信息。在赞比亚西南部，约有10,000人生活在黑猩猩Colophospermum黑猩猩林地中。它们的位置高度依赖具有永久性积水的黑猩猩林地。在纳米比亚的卡普里维地带的东部，博茨瓦纳的北端和津巴布韦的西端也可能会出现一些鸟类。但是，它的地位在这里被不止一种物种的野性爱情鸟的存在所迷惑。核心分布是赞比西河和卡富厄河之间的一片松散的林地带。旱季以外的分布范围更广，并且与在茂密的林地或河流森林附近的成熟作物的可获得性有关。所使用的黑猩猩林地总面积约为4550 km〜2。生境是动态的，反映出该地区逐渐干燥。与本世纪初相比，现在可用的永久水源较少，而且分布受到一系列短暂河流的连续干drying的影响。干旱季节的水供应不足可能是导致爱情鸟离开Bovu和Sinde河的主要原因。爱情鸟是当地人众所周知的，因为它们以庄稼，特别是高粱和粟为食。这些农作物在本世纪下半叶向玉米的总体过渡可能对爱情鸟的数量和分布产生了较早的影响。在1920年代和1960年代之间存在广泛的陷阱，主要是为了养禽业。尽管发生了一些孤立的事件，但这种交易现在并不常见。爱情鸟仍被捕食，有些被捕杀为害虫，但在目前的捕捞水平下，这些活动可能不会对人口造成严重的长期影响。

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