Perspectives in Plant Ecology Evolution and Systematics最新文献

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IF 2.9 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2025-01-01

引用次数: 0

IF 2.9 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2025-01-01

引用次数: 0

IF 2.9 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2025-01-01

引用次数: 0

IF 2.9 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2025-01-01

引用次数: 0

IF 2.9 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2025-01-01

引用次数: 0

IF 2.9 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2025-01-01

引用次数: 0

IF 2.9 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2025-01-01

引用次数: 0

Temporal variability in native plant composition clouds impact of increasing non-native richness along elevational gradients in Tenerife 特内里费岛原生植物组成的时间变异对非原生植物丰富度沿海拔梯度增加的影响

IF 3.5 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2024-12-12 DOI: 10.1016/j.ppees.2024.125845

Meike Buhaly , Amanda Ratier Backes , José Ramón Arévalo , Sylvia Haider

Introductions of non-native plant species and their rates of expansion into novel environments are rapidly climbing, and their impact on recipient community composition is currently not well documented. Under the influence of rapidly intensifying human activity, pathways such as roads support such range expansions, especially in vulnerable mountain regions. Using species composition and abundance data collected in disturbed and natural habitats along three mountain roads covering almost 2500 m in elevation, we investigate how non-native plant species impact temporal change in community composition and spatial community dissimilarity on the island of Tenerife over 14 years. We found that, within communities, the number of both native and non-native species increased over time in disturbed habitats, while non-native species richness decreased in natural habitats. While species composition of communities changed over time, this change was not greater with or without non-native species, though any signal of non-native species’ influence was likely lost due to the surprisingly high variability in the native community. In disturbed roadside habitats, turnover of species over time played a larger role in temporal change in community composition than changes in species’ abundances. Despite increases in richness and occurrences along the elevation gradient, non-native species did not spatially homogenize communities. Although impacts of non-native species on temporal changes in community dissimilarity were presently not found, increases in the number of non-native species and their occurrences illustrate the need for long-term monitoring of altitudinal spread in mountain plant communities, especially in anthropogenically disturbed habitats.

非本地植物物种的引进及其向新环境扩展的速度正在迅速攀升，它们对接收植物群落组成的影响目前还没有得到很好的记录。在人类活动迅速加剧的影响下，道路等途径支持这种范围的扩大，特别是在脆弱的山区。利用在海拔近2500 m的3条山地公路受干扰和自然生境中收集的物种组成和丰度数据，研究了14年来外来植物物种对特内里费岛群落组成和空间差异的影响。我们发现，在受干扰的生境中，群落内的本地和非本地物种数量随着时间的推移而增加，而非本地物种丰富度在自然生境中下降。虽然群落的物种组成随着时间的推移而变化，但无论有无非本地物种，这种变化都不会更大，尽管由于本地群落中惊人的高变异性，任何非本地物种影响的信号都可能丢失。在受干扰的路边生境中，物种更替对群落组成的影响大于物种丰度的变化。尽管非本地物种的丰富度和发生率在海拔梯度上有所增加，但在空间上并没有使群落同质化。虽然目前还没有发现非本土物种对群落差异的时间变化的影响，但非本土物种数量及其出现的增加表明，需要长期监测山地植物群落的海拔分布，特别是在人为干扰的生境中。

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Gondwanan origin and foremost Miocene diversification explain the paleotropical intercontinental disjunction (PID) in the winged seed clade of Malvaceae 冈瓦纳起源和最重要的中新世多样化解释了马尔瓦科有翅种子分支的古热带洲际分离

IF 3.5 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2024-12-09 DOI: 10.1016/j.ppees.2024.125842

Samiksha Shukla , Kajal Chandra , Anumeha Shukla

Understanding the biogeographic and diversification processes that explain current patterns of diversity in cosmopolitan groups is complex. We aimed to understand the historical biogeography by estimating the ancestral area of origin and diversification of tropical to subtropical plant genus Eriolaena DC. of the subfamily Dombeyoideae (family Malvaceae). To trace the evolutionary trajectory of this clade, fossil leaves exhibiting similarities to the modern genus Eriolaena are described here as E. paleowallichii from the early Paleogene succession of Rajasthan (India). This marks the first fossil record of Eriolaena, commonly known as the Winged Seed Clade (WSC), making this discovery crucial for understanding the evolutionary history of the clade. The Winged Seed Clade (WSC) of the subfamily Dombeyoideae initially included three genera: Eriolaena, Helmiopsis, and Helmiopsiella. However, subsequent taxonomic revisions, based on morphological and molecular studies, led to their consolidation under the genus Eriolaena. This winged clade shows a palaeotropical intercontinental disjunction (PID), mainly located in Southeast Asia, India, and Madagascar with only a single species in Africa. We assembled a dense sampling of the WSC throughout the current geographical distribution to reconstruct the historical biogeography of this clade. A detailed phylogenetic study indicates that the WSC diverged from its sister clade Andringitra in the lower Cretaceous (∼88 Mya, credibility intervals 72.39–105.35), the initial diversification of the WSC occurred around 74.15 Mya (credibility intervals 60.82–88.62 Mya) and broadly this clade was globally diversified in the Miocene. The DEC+J model indicated that (1) WSC likely originated in Madagascar around 79 Mya (2) jump-distance dispersal events were inferred between Madagascar to India and Madagascar to Africa, (3) ‘Out of India dispersals’ occurred mainly in the Miocene, allowing this clade to colonize in Southeast Asia. Biogeography and divergence dating indicate that the Miocene was an important epoch when this clade diversified globally. Our findings suggest that an ancient origin connected with a dispersal history enabled by terrestrial land bridges and long-distance dispersals is likely to explain the winged seed clade's palaeotropical intercontinental disjunction (PID).

理解解释世界主义群体当前多样性模式的生物地理和多样化过程是复杂的。本研究旨在通过对热带至亚热带植物毛竹属（Eriolaena DC）的起源区域和多样性的估算，了解其历史生物地理特征。属于麻蝇亚科（麻蝇科）。为了追踪这一分支的进化轨迹，与现代Eriolaena属相似的化石叶子在这里被描述为来自拉贾斯坦邦（印度）早古近纪演替的E. paleowallichii。这标志着Eriolaena的第一个化石记录，通常被称为有翼种子枝（WSC），这一发现对于理解该枝的进化史至关重要。翅种子分支（WSC）最初包括三个属：黑羽属、Helmiopsis和Helmiopsiella。然而，随后的分类修订，基于形态学和分子研究，导致他们巩固在Eriolaena属。这种有翼的进化支表现为古热带洲际分离（PID），主要分布在东南亚、印度和马达加斯加，非洲只有一种。我们对WSC在当前地理分布中的密集样本进行了收集，以重建该支系的历史生物地理。详细的系统发育研究表明，WSC在下白垩世（~ 88 Mya，可信区间72.39 ~ 105.35）从其姊妹分支Andringitra中分化出来，WSC的初始多样化发生在74.15 Mya左右（可信区间60.82 ~ 88.62 Mya），该分支在中新世全球范围内广泛多样化。DEC+J模型表明：(1)WSC可能起源于马达加斯加，大约在79 Mya左右；(2)推断出马达加斯加到印度和马达加斯加到非洲之间的跳跃距离扩散事件；(3)“印度外扩散”主要发生在中新世，使该分支能够在东南亚殖民。生物地理学和分异定年表明中新世是该支系在全球范围内多样化的重要时期。我们的研究结果表明，一个古老的起源与陆地陆桥和长途传播的传播历史相联系，可能解释了有翼种子枝的古热带洲际分离（PID）。

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Molecular phylogeny and biogeography of Lophanthus and its allies (Lamiaceae) 麻麻属及其近缘属植物的分子系统发育及生物地理学研究

IF 3.5 3区环境科学与生态学 Q1 ECOLOGY

Perspectives in Plant Ecology Evolution and Systematics

Pub Date : 2024-12-09 DOI: 10.1016/j.ppees.2024.125843

Hamid Moazzeni , Atefeh Pirani , Farshid Memariani , Saeide Hosseini , Mohammad Bagher Erfanian , Mohammad Reza Amiri , Ernst Vitek , Mohammad Reza Joharchi , Klaus Mummenhoff , Martin A. Lysak

As one of the taxonomically complicated groups of the subfamily Nepetoideae (Lamiaceae), the Hymenocrater+Lophanthus+Marmoritis clade (Lophanthus s.l. clade) consists of approximately 40 species distributed from eastern to southwestern Asia. Due to the sparse taxon sampling, previous molecular and morphological studies have not been capable of rendering the phylogenetic position of this clade and relationships of its taxa. We performed a comprehensive molecular study of the Hymenocrater+Lophanthus+Marmoritis clade, including an extensive taxon sampling, using nrDNA (ITS and ETS) and cpDNA (trnL-trnF, rps16, and rpl32-trnL) sequences. Bayesian and maximum likelihood approaches were used to reconstruct the phylogenetic relationships, dating of diversification, and historical biogeography of this clade. Although the present study confirms the polyphyly of Hymenocrater, Lophanthus and Marmoritis, the phylogenetic results do not confirm the unity of Lophanthus and its allies with Nepeta. Therefore, the generic delimitation of Lophanthus s.l. and Nepeta is yet to be determined, requiring an examination and assessment of adding a large number of Nepeta species and their close relatives. Our results also indicate the need to redefine Lophanthus sensu Budantsev more broadly as Lophanthus s.l. by synonymizing Hymenocrater and Marmoritis within Lophanthus. Two morphological synapomorphies, i.e., the resupinate corolla and an annulate hairy calyx tube in the middle or throat, support this unity. Dating and biogeographical analyses confirm that Lophanthus s.l. originated in the eastern Irano-Turanian floristic region in the late Miocene and later migrated to the central part of this region.

hymenocater +Lophanthus+Marmoritis分支（Lophanthus s.l clade）是Nepetoideae亚科（Lamiaceae）中分类较为复杂的类群之一，约有40种，分布于亚洲东部至西南部。由于分类群取样较少，以往的分子和形态学研究未能给出该支系的系统发育位置及其分类群的关系。我们利用nrDNA （ITS和ETS）和cpDNA （trnL-trnF、rps16和rpl32-trnL）序列，对Hymenocrater+Lophanthus+Marmoritis进化支进行了全面的分子研究，包括广泛的分类单元抽样。利用贝叶斯和最大似然方法重建了该支系的系统发育关系、多样化年代和历史生物地理。虽然本研究证实了Hymenocrater、Lophanthus和Marmoritis的多系性，但系统发育结果并不能证实Lophanthus及其同属Nepeta的统一性。因此，Lophanthus s.l.与Nepeta的属界尚未确定，需要对大量Nepeta种及其近缘种的添加进行审查和评估。我们的研究结果还表明，需要通过将Lophanthus中的Hymenocrater和Marmoritis同义化，将Lophanthus sensu Budantsev更广泛地重新定义为Lophanthus s.l。两个形态上的突触，即，重叠的花冠和在中间或喉部的环状有毛的花萼筒，支持这种统一性。年代测定和生物地理分析证实，Lophanthus s.l.起源于晚中新世伊朗-图兰区东部，后来迁移到该区中部。

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