How many species are there in Brazil?

Lewinsohn TM; Prado PI

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How many species are there in Brazil?

机译：巴西有多少种？

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We produced estimates of the total number of species currently known and the total numbers predicted to occur in Brazil. Lists of species recorded in Brazil were obtained frown specialists and the literature. For taxa lacking information on total known species, we produced estimates based on bootstrap resampling front a set of 87 taxa with checklists for Brazil and the world. The estimated proportion of Brazilian species was 9.5% of the world total (95% CI, 8.5 to 11.5%). From this we estimated a known Brazilian biota of 170,000 to 210,000 species. We used a similar procedure to estimate Brazil's total biota-known plus undiscovered. Based on 17 relatively well-known taxa, the average Brazilian share in the world's biota was estimated at 13.1% (CI 10.0 to 17.6%). Accordingly we estimated the country's total biota at 1.8 million species (CI 1.4 to 2.4 million). Given that the Neotropics is the least-studied major region of the world, these figures are still likely to be underestimates and hence may be taken as a lower bound of the actual proportion of the world's species that occur in Brazil. Scientists, policy makers, and citizens will find these numbers useful in appreciating the magnitude of the tasks involved in surveying, describing, and conserving the country's biota. The numbers also bring proposals and priorities into a more realistic perspective.

机译：我们对目前已知的物种总数以及预计在巴西发生的总数进行了估算。在巴西记录的物种清单可从皱眉专家和文献中获得。对于缺乏有关已知物种总数的信息的分类单元，我们基于自举重采样对一组87个分类单元进行了估计，并提供了巴西和全世界的清单。巴西物种的估计比例为世界总数的9.5％（95％CI，8.5至11.5％）。据此，我们估计已知的巴西生物群有170,000至210,000种。我们使用类似的程序来估算巴西已知生物群的总数以及未发现的总数。根据17个相对著名的生物分类，巴西在世界生物群系中的平均份额估计为13.1％（CI为10.0至17.6％）。因此，我们估计该国的生物群总数为180万种（CI为1.4至240万）。鉴于新热带主义者是世界上研究最少的主要地区，这些数字仍可能被低估，因此可能被视为巴西境内世界物种实际比例的下限。科学家，政策制定者和公民将发现这些数字有助于了解调查，描述和保护该国家生物群所涉及的任务的数量。这些数字还将建议和优先事项带入了更现实的角度。

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《Conservation Biology》 |2005年第3期|共6页
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Lewinsohn TM; Prado PI;
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中图分类环境生物学;
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5. Reproduction, recruitment, and genetic diversity of the threatened tree species Manilkara maxima T.D. Penn.: An economically and ecologically important tree species from the biodiversity hotspot of southern Bahia, Brazil. [D] . Ganzhorn, Seth. 2014

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机译：引言经过十四年的开展系统工作，从1996年到2010年，在南卡罗来纳州南卡罗来纳州圣卡塔琳娜州境内开展，在南美洲南锥体所谓的大西洋坡（agudo-padrón， 2008a），编制了大陆（陆地和淡水）和海洋软体动物物种的基本清单。除了与众多国家和国际专家不断互动和协商之外，这样的清单主要基于现有文献和/或存放在属于研究中心或环境教育机构的馆藏中的凭证标本的分析。到目前为止（截至2010年第一季度），该清单共包括878个分类群（物种和亚种，包括695种海洋和183种大陆形式），随着实地调查的发生，这些数字可能会增加。在本研究中，报告了作者积极参与最近三次涉及海洋和大陆软体动物类群的区域野外抽样考察的结果。 I.列入和控制外来入侵物种的官方国家方案从2009年11月开始，圣卡塔琳娜州历史上第一次通过组织“圣卡塔琳娜州”对圣卡塔琳娜州的入侵性异地软体动物物种的存在进行了研究和讨论。由圣卡塔琳娜州官方基金会（Fundaçãomomeio ambiente - FaTma）与Hórus发展与环境保护研究所（InstitutoHórusdeDesenvolvimento eConservaçãoambiental）联合举办的研讨会，主要目标是编制官方州物种清单。到目前为止，已确认共发生了20种异地（外来）形式的软体动物物种，14种腹足纲和6种双壳纲即11种陆生腹足类动物，5种淡水类群（3种腹足动物和2种双壳类动物）和4种海洋双壳类动物。考虑到agudo＆Bleicker（2006a），agudo-padrón（2008b）和agudo-padrón＆Lenhard（2010）的贡献，pallifera sp。 - 其中的分类学决定仍在进行中（Thomé等，2006） - 被列入此类清单。在圣卡塔琳娜州（sC，巴西南部）的这20个软体动物和环境保护中：当前的情况

How many species are there in Brazil?

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