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The Importance Of Selectiwely Logged Forests For Tiger Panthera Tigris Conservation: A Population Density Estimate In Peninsular Piaiawsia

机译:选择性采伐森林对虎豹保护的重要性:半岛Piaiawsia的种群密度估计。

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To obtain information on density of tiger Panthera tigris in selectively logged forest, a 9-month camera-trapping survey was conducted over elevations of 190-850 m in lowland and hill/upper dipterocarp and lower montane forests in Gunung Basor Forest Reserve, Peninsular Malaysia. Capture-recapture sampling methods were used to estimate tiger population density in the Reserve. The number of individual tigers captured was six. Using the M_h jackknife estimator the average capture probability per sampling occasion was 0.28 and the corresponding estimate of population size 8± SE 1.89. The overall probability of photo-capturing a tiger present in the sampled area was 0.75. Using an approach based on distances between photo-captures, a buffer width of 3.22 km and an effectively sampled area of 308 km~2 was estimated. This resulted in a density estimate of 2.59 ± SE 0.71 adult tigers per 100 km~2. The results indicate that selectively logged forests such as Gunung Basor Forest Reserve have the potential to accommodate a high density of tigers. Decision makers and conservation planners should not therefore perceive selectively logged forests to have limited conservation value. Further research on the ecology of tigers and their prey in selectively logged forests is urgently needed. Such research would enable conservationists to recommend tiger-friendly management guidelines for sustainable forest management and thereby significantly contribute to tiger conservation in Malaysia.
机译:为了获得有关选择性采伐森林中虎豹的密度的信息,在马来西亚半岛的古龙巴索尔森林保护区的低地和丘陵/上双果皮以及山地下部森林中,对190-850 m的海拔进行了为期9个月的相机诱捕。捕获-捕获采样方法用于估计保护区中的老虎种群密度。被捕的老虎数量为六只。使用M_h折刀估计器,每个采样时机的平均捕获概率为0.28,相应的种群大小估计为8±SE 1.89。照片捕获区域中存在的老虎的总捕获概率为0.75。使用基于照片捕获之间的距离的方法,估计缓冲区宽度为3.22 km,有效采样面积为308 km〜2。这导致每100 km〜2的成年虎密度估计为2.59±SE 0.71。结果表明,诸如格努巴索尔森林保护区这样的选择性采伐的森林具有容纳高密度老虎的潜力。因此,决策者和保护规划者不应认为选择性采伐的森林具有有限的保护价值。迫切需要进一步研究选择性采伐森林中的老虎及其猎物的生态。此类研究将使保护主义者能够为可持续森林管理推荐友好的老虎管理准则,从而为马来西亚的老虎保护做出重大贡献。

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