AIM: The effective conservation and management of any given species frequently requires basic knowledge on its distribution, which is problematic for highly mobile, species‐ and ecologically‐rich groups, like bats. Moreover, to produce detailed distributions for continental‐sized, bat species‐rich countries, like Brazil, is difficult, especially considering that ~60% of the country has not a single formal bat record. Using Species Distribution Modelling (SDM), we assessed the potential distribution of >100 species of Brazilian bats. LOCATION: Brazil. METHODS: We (a) updated data on the distribution of 135 bat species, (b) generated SDMs for each species, (c) constructed species richness maps for Brazil, (d) determined areas of endemism and (e) identified areas harbouring threatened species. RESULTS: Amazonia harbours the highest bat species richness (76% of the species), followed by the Atlantic Forest (66%), Cerrado (65%) and the Caatinga (53%). Richness in 5 × 5 km grid cells varied between 23 and 117 species and 70% of Brazil's territory is predicted to have 50–90 species, and 25% >90 species. Coastal Atlantic forest, mainly in its north‐eastern region, and along its contact zone with the Caatinga biome had the highest potential richness. However, there is a severe regional sampling bias: 48% of the records available were from the Atlantic Forest and 21% were from along the Amazon River. MAIN CONCLUSIONS: Pantanal and Pampa are clearly under sampled, with <50% of their expected richness already assessed. Endemic and endangered bat species are in the Atlantic Forest, Cerrado and Caatinga, the most threatened biomes in Brazil. In addition to the seven nationally threatened bat species in Brazil, the situation for other species is worrisome: In a business‐as‐usual scenario, local extinctions in large portions of the country may happen before basic information gaps are filled.

中文翻译：

---

评估一个物种丰富的群体在一个大陆大小的生物多样性丰富的国家的分布：巴西的蝙蝠

目标：任何特定物种的有效保护和管理通常需要了解其分布的基本知识，这对于蝙蝠等高度流动、物种和生态丰富的群体来说是个问题。此外，要为像巴西这样的大陆大小、蝙蝠物种丰富的国家提供详细的分布是很困难的，尤其是考虑到该国约 60% 的地区没有单一的正式蝙蝠记录。使用物种分布模型 (SDM)，我们评估了 100 多种巴西蝙蝠的潜在分布。地点：巴西。方法：我们 (a) 更新了 135 种蝙蝠物种的分布数据，(b) 为每个物种生成了 SDM，(c) 为巴西构建了物种丰富度图，(d) 确定了特有区域和 (e) 确定了栖息受威胁的区域物种。结果：亚马逊河拥有最高的蝙蝠物种丰富度（占物种总数的 76%），其次是大西洋森林（66%）、塞拉多（65%）和卡廷加（53%）。5 × 5 km 网格单元的丰富度在 23 到 117 个物种之间变化，预计巴西 70% 的领土有 50-90 个物种，25% 的物种超过 90 个。沿海大西洋森林，主要在其东北部地区，以及沿其与卡廷加生物群落的接触区，具有最高的潜在丰富度。然而，存在严重的区域抽样偏差：48% 的可用记录来自大西洋森林，21% 来自亚马逊河沿岸。主要结论： Pantanal 和 Pampa 显然采样不足，已经评估了 <50% 的预期丰富度。地方性和濒临灭绝的蝙蝠物种位于大西洋森林、塞拉多和卡廷加，这是巴西受威胁最严重的生物群落。