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首页> 外文期刊>Ecological research >Importance of natural licks for the mammals in Bornean inland tropical rain forests
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Importance of natural licks for the mammals in Bornean inland tropical rain forests

机译：天然舔对婆罗洲内陆热带雨林中哺乳动物的重要性

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An intensive camera-trapping study and a nutrient analysis were carried out to understand how natural licks are important for mammals in inland tropical rain forests where soil cations are usually depleted. Using camera traps, we investigated the fauna, food habits, and the frequency of visitation by species at five natural licks in the Deramakot forest reserve, Sabah, Malaysia. All food-habit types of mammals (carnivore, herbivore-frugivore, insectivore, and omnivore), which included 29 (78.4%) of 37 species known in Deramakot, were recorded at the natural licks. The sambar deer, followed by the bearded pig, the lesser mouse-deer, the Malay badger, and the orangutan were the most commonly recorded species and represented 77.5% in terms of the frequency of appearance in all photographs taken throughout the year. These results indicated that, although the proportion of species recorded at the natural licks relative to the whole mammalian fauna of the forest was high, the frequency of visitation greatly varied among the species, and only a few species dominated. The frequency of visitation seemed to reflect both the density of species and the demand for the minerals, because some endangered, low-density species were more frequently recorded by cameras than expected-for example, the orangutan which was one of the top five species among natural-lick users. The natural licks with greater concentrations of minerals in seepage soil water rnwere significantly preferred by the sambar deer and the bearded pig than those with lower concentrations of minerals. This result suggests that the chemical properties of soil water in natural licks determine the frequency of visitation of these herbivorous species that have strong demand for minerals.
机译：进行了深入的相机诱集研究和营养分析，以了解自然舔食对内陆热带雨林中哺乳动物通常会消耗掉土壤阳离子的重要性。使用相机陷阱，我们调查了马来西亚沙巴州德拉马科特森林保护区的五处自然舔s的动物区系，饮食习性以及物种的访视频率。在自然舔s中记录了所有食物习惯类型的哺乳动物（食肉动物，草食动物食肉动物，食虫动物和杂食动物），其中包括德拉玛科特已知的37个物种中的29个（占78.4％）。香鹿，其次是大胡子猪，小老鼠，马来badge和猩猩，是最常记录的物种，占全年所有照片中出现频率的77.5％。这些结果表明，尽管相对于森林的整个哺乳动物区系而言，自然舔recorded记录的物种比例很高，但物种间的探访频率差异很大，只有少数物种占优势。探访的频率似乎反映了物种的密度和对矿物质的需求，因为一些濒临灭绝的低密度物种被照相机记录的次数比预期的要多，例如，猩猩是其中五种最重要的物种之一天生的用户。与矿物质含量较低的人相比，水鹿和大胡子的猪明显更喜欢渗水土壤水中矿物质含量较高的自然舔。这一结果表明，自然舔水中土壤水的化学性质决定了这些对矿物质有强烈需求的草食性物种的拜访频率。

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