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首页> 外文期刊>Ecological research >Percentage of protein, lipids, and carbohydrates in the diet of badger (Meles meles) populations across Europe
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Percentage of protein, lipids, and carbohydrates in the diet of badger (Meles meles) populations across Europe

机译：欧洲Europe（Meles meles）人群饮食中蛋白质，脂质和碳水化合物的百分比

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Abstract Although originally evolved as predators, several species of mammalian carnivores exhibit a great trophic diversity, ranging from hypercarnivory to a high consumption of vegetable food. Habitat characteristics influence food availability and consequently could affect the nutritional composition of the diet of generalist species. By reviewing the available literature, we tested the hypothesis that intraspecific differences in the food habits of badgers {Meles meles) living in different habitats across Europe could affect the percentage of macronutrients (i.e., protein, lipids, and carbohydrates) in their diet. Notwithstanding the different composition of the diet, the percentage of protein and lipids fed by badgers did not vary among temperate forest-pasture mosaics, Mediterranean woodlands, or scrublands and arable lands, suggesting a certain form of regulation of the diet balance. The percentage of carbohydrates was similar in the first two habitats, while it was fivefold higher in arable lands, where cereals were the main food of badgers and were consumed throughout the year. Earthworm consumption by badgers was positively related to the latitude, while the lack of any latitudinal or altitudinal pattern in protein consumption reflected the absence of a gradient in carni-vory. A slight inverse latitudinal gradient in lipids consumption probably depended on the use, in southern Europe, of vegetal foods rich in lipids. We hypothesize that in agricultural landscapes dominated by crop cultivations, the decline of animal prey (i.e., earthworms, insects, and vertebrates) due to habitat loss forced badgers to increase the percentage of protein in their diet by overeating cereals, with the consequence of a disproportionate increase in carbohydrate consumption.
机译：摘要尽管最初是作为食肉动物而进化的，但有几种哺乳动物的食肉动物却表现出极大的营养多样性，从食肉动物到大量食用蔬菜食品不等。生境特征影响食物的供应，因此可能影响通才物种的饮食营养成分。通过查阅现有文献，我们检验了以下假设：生活在欧洲不同栖息地的rs（Meles meles）饮食习惯的种内差异可能会影响其饮食中大量营养素（即蛋白质，脂质和碳水化合物）的百分比。尽管日粮的组成不同，但在温带森林-草木马赛克，地中海林地或灌丛地和可耕地之间，badge所摄取的蛋白质和脂质的百分比没有变化，表明某种形式的饮食平衡调节。前两个生境中的碳水化合物百分比相似，而在耕地中则高出五倍，那里的谷物是of的主要食物，并全年被消耗。 rs对consumption的消费与纬度成正相关，而蛋白质消费中缺乏任何纬度或经度模式反映了食肉动物没有梯度。脂质消耗的纬度梯度略有逆转，可能取决于在南欧使用富含脂质的植物性食品。我们假设在以农作物种植为主的农业景观中，由于生境丧失而导致的动物猎物（即ie，昆虫和脊椎动物）的减少迫使badge通过过量食用谷物来增加其饮食中蛋白质的百分比，其结果是碳水化合物消耗不成比例地增加。

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