Influence of habitat modification by livestock on páramo bird abundance in southern Andes of Ecuador
作者： Pedro X Astudillo , Santiago Barros , David C Siddons , Edwin Zárate , None
DOI: 10.1080/01650521.2017.1382122
关键词:
摘要: Livestock grazing on natural grasslands is widespread with negative consequences to biodiversity. In the High Andes, paramo grassland a distinctive ecosystem where influence of livestock birds poorly documented. We assessed habitat modification related bird guilds in southern Andes Ecuador. recorded occurring along transects located areas which showed gradient (low high) pressure. found decrease abundance specialists more interpret this as loss key necessary for habitat-specialized birds.
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