马拉加西部山区安达卢西亚狍(Capreolus Capreolus)种群的情况

Jesús Duarte, M. Farfán, J. M. Vargas
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引用次数: 3

摘要

我们在Málaga西部山区的25个市镇监测了狍的存在。通过距离采样和排便率转换,估计了狍的丰度(颗粒群数/km)和相对密度(鹿/km2)。利用GLM模型分析了狍丰度与生境植被和覆盖度的关系。结果以水文流域为例。结果表明,黄鹿相对密度在0.18 ~ 2.49只/km2之间。在霍兹加尔干塔河和格纳尔河谷发现了最高的值。海拔最低的是瓜达尔霍斯河流域周围的山脉。鹿群丰度与Cádiz山鹿群的邻近程度和栎、松、栗树混交林的盖度呈正相关。狍丰度与城市用地、农田和松林密度呈负相关。我们的结果与Málaga山区狍种群扩大的假设是一致的。
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Situación de las poblaciones de corzo andaluz (Capreolus capreolus) en las sierras occidentales de Málaga
We have monitored the presence of roe deer in 25 municipalities in the occidental mountians of Málaga. We estimated roe deer abundance (pellet groups counts/km) and relative density (deer/km2) by means of distance sampling and defecation rate conversion. We also analyzed the relationships between roe deer abundance and habitat vegetation and coverages by means of GLM models. Results are presented by hidrological basins. We found that roe deer relative density varied between 0.18 to 2.49 deer/km2. The highest values were found in the Hozgarganta river and the Genal river valley. The lowest was in the mountains around the Guadalhorce river basin. Roe deer abundance was positively related to the vicinity of roe deer population in the Cádiz mountains and to the coverage of mixed forests of oaks, pines and chestnuts. Roe deer abundance was negatively related to urban landuses, farmlands and dense pine forests. Our results are coherent with the hyphotesis of an expanding roe deer population in the Málaga mountains.
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