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| 1 | 新疆卡拉麦里山有蹄类野生动物自然保护区大沙鼠巢域微生境选择显示文摘目的 研究卡拉麦里山自然保护区荒漠区大沙鼠巢域微生境与环境因素关系,了解大沙鼠巢域选择的影响因素,为鼠害防控提供依据。方法 在2019年春、夏季及2020年春、夏和秋季,设置并调查5 m×5 m大沙鼠活动巢域样方111个,无大沙鼠活动巢域的对照样方111个。分析比较巢域微生境和对照样方的海拔、坡度、植物种数、植被盖度、生物量等生境因子。结果 影响大沙鼠巢域微生境选择依次是海拔、土壤含水率和植物种数3个生境因子,其差异均有统计学意义(均P<0.05)。主成分分析表明影响大沙鼠巢域微生境选择的主要因子依次是植被盖度(0.863)、距道路距离(0.761)、距居民点距离(0.734)、灌木盖度(0.719)。结论 大沙鼠倾向于选择海拔高、土壤含水率低、植物种数多、平滩区域(包含砂质土和碱土2种土壤基质),植被盖度高,灌木盖度高,远离居民点和道路等人为干扰少的微生境作为巢域。研究结果可为大沙鼠的科学防控提供重要的理论依据。 | 吴洪潘 刘冬志 初雯雯 古丽娜·再努拉 戚英杰 初红军 | 2023 | 中国媒介生物学及控制杂志2023，34，1： | 0 |
| 2 | Birds as seed dispersers in deserts:suggestions from the ground-jays显示文摘The study of seed dispersal,biotic seed dispersal,and even less,the role of birds in it,have been almost neglected in deserts.Virtually absent from the literature on seed dispersal are the ground-jays,genus Podoces,four species of the crow family that inhabit arid environments,even true deserts,from Iran to Mongolia.Although they are omnivorous,they seem to mainly depend on the seeds of desert plants during the cold season.There are suggestions in sparse literature that they may contribute to seed dispersal similarly to several corvid species of other climates,by caching seeds in useful microsites to save them for later consumption and thus actually favoring the germination of the seeds they fail to recover.Future research might benefit from comparison with the vast literature on their better-known seed-caching relatives.This paper is aimed at providing basic information on each ground-jay species and some sug-gestions for investigating their likely symbiosis with desert plants,with possible applications to the maintenance and restoration of vegetation in a very extended arid zone. | Tiziano Londei | 2021 | Avian Research2021，12，2： | 0 |
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