Improved systematics of lorikeets reflects their evolutionary history and frames conservation priorities

Improved systematics of lorikeets reflects their evolutionary history and frames conservation priorities
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澳洲鹦鹉系统学的改进反映了它们的进化历史并确定了保护重点

DOI:
10.1080/01584197.2020.1779596
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发表时间:
2020
期刊:
Emu
影响因子:
1.3
通讯作者:
Smith, Brian Tilston
Smith, Brian Tilston
中科院分区:
生物学4区
文献类型:
--
作者:
Joseph, Leo;Merwin, Jon;Smith, Brian Tilston

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对任何一类生物体进行得到充分支持的属级分类,有助于下游对其进化生物学的理解,并加强系统发育多样性在指导其保护和管理方面的作用。鹦鹉(鹦鹉形目:鹦鹉亚目)是鹦鹉,其属水平的系统学(系统发育关系和分类)长期以来一直不稳定和不令人满意。不稳定表现为某些属的成分经常发生变化(如赤眼蜂和赤眼蜂)。其他属(如Charmasa,Vini)已经变得如此之大,以至于仅凭它们的表型异质性至少就质疑它们是否是应该包括在属中的单系组合。最近的分子系统发育和表型研究已经改进了用来合理化罗非鱼属水平系统学的框架,但仍然存在一些明显的不确定性。在这里,我们利用已发表的基因组数据和羽毛颜色的四面体分析来开发一个完整的审查属的分类。利用现有的系统发育关系和一个新估计的时间校准的树,我们显示了副系组合在哪里误导了属的分类。我们将6个种归入3个新属,6个其他种归入4个在最近文献中已有同名的先前描述的属名。我们的分类修订带来了一个新的视角,告知和指导保护和管理,以及它们的进化生物学。
A well-supported genus-level classification of any group of organisms underpins downstream understanding of its evolutionary biology and enhances the role of phylogenetic diversity in guiding its conservation and management. The lorikeets (Psittaciformes: Loriini) are parrots for which genus-level systematics (phylogenetic relationships and classification) has long been unstable and unsatisfactory. Instability has manifested through frequently changing compositions of some genera (e.g.TrichoglossusandPsitteuteles). Other genera (e.g.Charmosyna, Vini) have become so large that their phenotypic heterogeneity alone at least questions whether they are monophyletic assemblages that genera should comprise. Recent molecular phylogenetic and phenotypic studies have improved the framework with which to rationalise genus-level systematics in lorikeets but some trenchant uncertainty has remained. Here we utilise published genomic data and tetrahedral analysis of plumage colour to develop a full review of the genus-level classification of lorikeets. Using existing phylogenetic relationships and a newly estimated time-calibrated tree for lorikeets, we show where paraphyletic assemblages have misled the classification of genera. We assign six species to three new genera and six other species to four previously described generic names that have been in synonymy in recent literature. Our taxonomic revision brings a new perspective informing and guiding the conservation and management of the lorikeets and their evolutionary biology.
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