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Natural hybridization between diploid Ficaria calthifolia and tetraploid Ficaria verna subsp. verna in central Europe 二倍体加利福尼亚Ficaria加利福尼亚Ficaria vera亚种与四倍体Ficaria verna亚种的自然杂交。位于欧洲中部的维尔纳
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-10-01 DOI: 10.23855/preslia.2019.179
O. Popelka, B. Trávníček, Pavla Šiková, Michaela Jandová, M. Duchoslav
The genus Ficaria is a taxonomically intricate group in which polyploidization and hybridization contribute to taxa diversification. In central Europe, populations of diploid F. calthifolia and tetraploid F. verna subsp. verna occasionally come into contact, which results in an interspecific triploid hybrid, as recently demonstrated using molecular markers, genome size estimation and experimental crossing. In this study, we aimed to estimate the frequency and distribution of the triploid hybrid in central Europe, to identify those phenotypic traits that can be used to discriminate between hybrid and parental taxa and compare the phenology, pollen viability, sexual and asexual reproduction and niche differentiation of the triploid hybrid and parental taxa. Flowcytometry analyses of 1171 individuals sampled from 67 localities revealed that triploid hybrids were regularly found at 89% of the sites sampled where there were sympatric populations of both parental taxa, with a mean percentage of 19.4% occurring at sites where there was a mixture of cytotypes. No pure hybrid population was found. The hybrids were intermediate between the parental taxa in most morphological characters and did not show any novel morphological characters. The characters that best differentiate the taxonomic groups were the production of axillary bulbils, aborted and well-developed achenes, leaf shape and plant habit. Almost all hybrids were sexually sterile: the pollen viability was considerably reduced (mean 8.4%) and on average 98% of the achenes were aborted. Local dispersal of the hybrids is possible through the production of bulbils in the leaf axils, although the number of bulbils per node and the mean weight of one bulbil were two and three times lower in the hybrid than in F. verna subsp. verna. The hybrid niche was intermediate between those of the parental taxa but shifted slightly towards that of F. verna subsp. verna. In addition, the taxonomic and nomenclatural treatment of the hybrid, which is described as Ficaria ×sellii Duchoslav, Popelka et Trávn., as well as a key for identifying the central European taxa of Ficaria, are presented.
榕树属是一个复杂的类群,其多倍体化和杂交有助于分类群的多样化。在中欧,二倍体的加利福尼亚赤霉病和四倍体的verna亚种。Verna偶尔接触,结果是种间三倍体杂交,最近通过分子标记、基因组大小估计和实验杂交证明了这一点。在本研究中,我们旨在估计中欧地区三倍体杂交植物的频率和分布,找出可用于区分杂种和亲本类群的表型性状,并比较三倍体杂交植物和亲本类群的物候、花粉活力、有性繁殖和无性繁殖以及生态位分化。对来自67个地区的1171个个体的流式细胞术分析显示,在89%的两个亲本类群同域居群的样本中,有规律地发现三倍体杂交,在细胞型混合的样本中,平均百分比为19.4%。未发现纯杂交群体。杂种的大部分形态特征介于亲本类群之间,未表现出新的形态特征。最能区分类群的特征是腋芽的产生、败败和发育良好的瘦果、叶片形状和植株习性。几乎所有杂交种都有性不育:花粉活力显著降低(平均8.4%),平均98%的瘦果流产。杂交品种的局部扩散可能是通过在叶腋上产生球茎来实现的,尽管每个节的球茎数量和一个球茎的平均重量在杂交品种中比在verna亚种中低2倍和3倍。弗娜。杂交生态位介于亲本类群之间,但略微向水藻亚群偏移。弗娜。此外,对该杂交品种进行了分类和命名处理,描述为Ficaria ×sellii Duchoslav, Popelka et Trávn。,以及一个关键的识别中欧的Ficaria分类群,提出。
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引用次数: 3
Taxonomic revision of Rubus ser. Sylvatici in the Pannonian Basin and adjacent regions 标题树属植物的分类学修订。潘诺尼亚盆地及其邻近地区的森林
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-10-01 DOI: 10.23855/preslia.2019.231
G. Király, B. Trávníček, V. Zila
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引用次数: 6
New species of Taraxacum native to central Europe 原产于中欧的蒲公英属新种
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-10-01 DOI: 10.23855/preslia.2019.213
J. Kirschner, J. Štěpánek, R. Vašut, J. Zámečník
Institute of Botany, The Czech Academy of Sciences, Zámek 1, CZ-25243 Průhonice, Czech Republic, e-mail: jan.kirschner@ibot.cas.cz; Department of Botany, Palacký University, Faculty of Science, Šlechtitelu 27, CZ-78371, Olomouc, Czech Republic, e-mail: radim.vasut@upol.cz; Department of Biology, Palacký University, Faculty of Education, Purkrabská 2, CZ-779 00, Olomouc, Czech Republic; The Museum of Eastern Bohemia, Eliščino nábřeží 465, CZ-50001 Hradec Králové, e-mail: j.zamecnik@ muzeumhk.cz
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引用次数: 3
Genome sizes and genomic guanine+cytosine (GC) contents of the Czech vascular flora with new estimates for 1700 species 捷克1700种维管植物群的基因组大小和基因组鸟嘌呤+胞嘧啶(GC)含量的新估计
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-06-01 DOI: 10.23855/PRESLIA.2019.117
P. Šmarda, Ondřej Knápek, Alexandra Březinová, L. Horová, V. Grulich, J. Danihelka, P. Veselý, J. Šmerda, O. Rotreklová, P. Bureš
Obsah DNA v somatických, nereplikovaných jadrech buněk (velikost genomu) a bazove složeni DNA (GC obsah) jsou zakladni genomicke parametry, ktere lze měřit pomoci průtokove cytometrie. Velikost genomu, a tedy i ploidni uroveň mohou ovlivňovat cetne vlastnosti rostlin, a proto se uvaději v modernich biologických florach a databazich biologických vlastnosti druhů. Velikost genomu se dosud měři převažně pro biosystematicke ucely a navzdory velkemu rozvoji průtokove cytometrie v Ceske republice tato informace pro mnohe druhy ceske květeny chybi. Biologický význam GC obsahu je oproti významu velikosti genomu zatim meně jasný, navic se měři obtižněji, a proto jej nezname u velke větsiny druhů. V teto praci přinasime měřeni obou genomických parametrů pro větsinu cevnatých rostlin ceske květeny. Celkem jsme naměřili nově velikosti genomu a genomický GC obsah pro 1908 vzorků 1700 druhů. Velikost genomu je zde poprve uvedena pro vice než 1000 druhů a obsah GC bazi poprve pro vice než 1500 druhů, což vice než zdvojnasobuje množstvi dosud znamých udajů o obsahu GC bazi u cevnatých rostlin. Spolu s dřive uveřejněnými udaji ziskanými v nasi laboratoři na stejných přistrojich a stejnou metodikou jsou tak tyto udaje dostupne pro 1910 druhů ceske květeny (~83 % soucasne flory bez apomiktů, přechodně zavlecných a vyhynulých druhů). Tyto udaje jsou uspořadany do tabulky a doplněny udaji o poctu chromozomů, ploidni urovni a vypoctene monoploidni velikosti genomu. V clanku přinasime popisnou analýzu tohoto datoveho souboru a diskutujeme o některých cytogeograficky pozoruhodných poznatcich. Tento přehled představuje největsi a nejuplnějsi soubor genomických dat pro květenu jednoho statu. Zde prezentovane výsledky tvoři zaklad karyologicke casti ceske databaze druhových vlastnosti Pladias (www.pladias.cz) a budou využity pro analýzy evoluce a biologickeho významu obou měřených genomických parametrů.
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引用次数: 39
Ecological specialization indices for species of the Czech flora 捷克植物区系物种的生态特化指数
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-06-01 DOI: 10.23855/PRESLIA.2019.093
D. Zelený, M. Chytrý
Theoretically the concept of species ecological specialization is very useful, however, practically it is often difficult to quantify due to a lack of relevant environmental data. We introduce the Ecological Specialization Index (ESI), which describes the degree of specialization of a species based on its realized niche along multiple environmental gradients and is conceptually based on the co-occurrence specialization metric theta introduced by Fridley et al. (2007). We estimated ESI for species of the Czech flora occurring in at least 10 vegetation plots stored in the Czech National Phytosociological Database. We prepared three sets of ESI values calculated from three datasets including (i) plots of all vegetation types (ESIw, 1597 species), (ii) only plots of non-forest vegetation (ESInf, 1529 species), and (iii) only plots of forest vegetation (ESIf, 881 species). We also provide the frequency of species in the datasets, since the reliability of the calculated ESI values increases with the species frequency. The use of these ESI values is limited to the Czech Republic, and in the case of less frequent species, the value can be influenced by sampling bias. To facilitate understanding of the ecological meaning of ESI, we related the calculated values of ESIw to several species attributes and applied them in a case study using a local vegetation dataset from a deep river valley. We found that ESI correlates significantly with specialization metrics based on the number of phytosociological associations and habitats in which the focal species occur. The species listed in the national Red List in higher risk categories are on average more specialized than less threatened species. Neophytes tend to be significantly less specialized than archaeophytes and native species. When related to Ellenberg-type indicator values for the Czech Republic, specialists tend to be more shade-tolerant, better adapted to nutrient-poor soils and soils with either a low or high (but not intermediate) pH and to either warm or cold (but not intermediate) habitats. In a case study of herbaceous plants species in a forest understory on river valley slopes, we found that specialists tend to be confined to deeper soils on cooler north-facing slopes, to stony soils in ravine forests and sites with a denser canopy of woody species. In contrast, shallow lithic soils on eroded south-facing slopes and sites with a more open canopy tend to be dominated by generalists. The complete list of ESI values is included in an electronic appendix to this paper.
物种生态专门化的概念在理论上是非常有用的,但由于缺乏相关的环境数据,在实践中往往难以量化。我们引入了生态专门化指数(ESI),它描述了一个物种在多个环境梯度上基于其实现的生态位的专门化程度,并在概念上基于Fridley等人(2007)引入的共生专门化度量theta。我们估算了捷克国家植物社会学数据库中至少10个植被样地的植物种的ESI。我们从三个数据集(i)所有植被类型的样地(ESIw, 1597种),(ii)仅非森林植被样地(ESInf, 1529种)和(iii)仅森林植被样地(ESIf, 881种)中计算了三组ESI值。我们还提供了数据集中物种的频率,因为计算出的ESI值的可靠性随着物种频率的增加而增加。这些ESI值的使用仅限于捷克共和国,在物种较少的情况下,该值可能受到抽样偏差的影响。为了更好地理解ESI的生态学意义,我们将ESIw的计算值与几个物种属性联系起来,并将其应用于深河谷当地植被数据集的案例研究。我们发现ESI与基于焦点物种发生的植物社会学关联数量和栖息地的专业化指标显著相关。在国家红色名录中被列入高风险类别的物种平均比受威胁程度较低的物种更加专业化。新植物的专门化程度明显低于古植物和本地物种。当与捷克共和国的埃伦伯格型指标值相关时,专家往往更耐阴,更好地适应营养贫乏的土壤和pH值低或高(但不是中等)的土壤,以及温暖或寒冷(但不是中等)的栖息地。在对河谷斜坡上森林林下草本植物物种的案例研究中,我们发现专家们倾向于局限于较冷的朝北斜坡上较深的土壤,峡谷森林中的石质土壤和木本物种冠层较密的地点。相比之下,在侵蚀的南坡和冠层较开阔的场地上,浅岩屑土壤往往以多面体为主。ESI值的完整列表包含在本文的电子附录中。
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引用次数: 16
Genetically divergent cytotypes of Vaccinium uliginosum co-occurring in the central Eastern Alps can be distinguished based on the morphology of their flowers 根据花的形态特征,可以区分在中东部阿尔卑斯地区共同生长的乌利根(Vaccinium uliginosum)的遗传差异细胞型
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-06-01 DOI: 10.23855/PRESLIA.2019.143
Lisa Silbernagl, P. Schönswetter
The cloudberries (Vaccinium uliginosum s. lat.) are among the most frequent constituents of dwarf shrub communities in the Alps. Recently, we have shown that (i) both diploid and tetraploid cytotypes are widespread in the Eastern Alps and sometimes occur in mixed “populations” and that (ii) these two cytotypes correspond to two non-overlapping AFLP groups, which are in almost perfect congruence with two plastid lineages. Further (iii), we revealed that diploids and tetraploids show some degree of niche separation, but co-occur in low-alpine heath vegetation. Finally, (iv), in spite of the clear separation of diploids and tetraploids in the molecular data sets, we failed to detect consistent morphological differences. Here, we focused on patterns of genetic, ecological and morphological divergence between cytotypes at mixed-ploidy sites as well as on the underlying processes. Our study is based on a sampling of a hundred individuals each at three sites with previously determined co-occurrence of diploids and tetraploids in the Central Alps of Tirol, Austria. We employed an integrative approach combining flow cytometry, plastid DNA sequencing, AFLP fingerprinting, morphometry of leaf and flower characters as well as a characterization of ecological niches based on the vegetation surrounding the individual Vaccinium plants, in order to address the following questions. What is the small-scale distribution of diploid and tetraploid V. uliginosum s. lat. at the three sites investigated? Are the molecular genetic (AFLP and plastid DNA) relationships reflecting the previously detected divergence governed by differences in ploidy level or is there evidence of across-cytotype gene flow in areas of immediate co-occurrence of diploid and tetraploid V. uliginosum s. lat.? Is there evidence for ecological or morphological separation between cytotypes? More specifically, do flower characters allow for a better discrimination between cytotypes than the previously used leaf characters? We show that mixed-ploidy sites are clearly secondary contact zones as based on AFLP markers individuals cluster by cytotype and not by locality. We found no evidence for recent hybridization across the ploidy boundary but the intersection of biparentally inherited recombining AFLPs with maternally inherited plastid DNA sequences provided strong evidence for past inter-ploidy gene flow as one fifth of the tetraploids exhibited a haplotype otherwise restricted to diploids. Further, small-scale ecological segregation between cytotypes was weak, but statistically significant. Leaf characters indicated little differentiation between the cytotypes, whereas flower characters had relatively strong discriminative power. Overall, from a taxonomic point of view, we suggest that clear genome-wide differentiation combined with consistent morphological differences in flower size do not preclude the differentiation of two distinct species (diploid V. gaultherioides and tetraploid V. uliginosum s
云莓(Vaccinium uliginosum s.l at.)是阿尔卑斯山矮灌木群落中最常见的成分之一。最近,我们已经证明(i)二倍体和四倍体细胞型在东阿尔卑斯山广泛存在,有时也出现在混合的“群体”中;(ii)这两种细胞型对应于两个不重叠的AFLP群体,这两个群体与两个质体谱系几乎完全一致。进一步(iii)揭示了二倍体和四倍体在低高寒荒地植被中存在一定程度的生态位分离,但同时存在。最后,(iv)尽管在分子数据集中二倍体和四倍体有明确的分离,但我们未能检测到一致的形态差异。在这里,我们专注于遗传模式,生态和形态分化之间的细胞类型在混合倍体位点以及潜在的过程。我们的研究是基于在奥地利蒂罗尔中部阿尔卑斯山三个地点的100个个体的采样,这些地点先前确定了二倍体和四倍体的共存。为了解决以下问题,我们采用了一种综合的方法,结合流式细胞术、质体DNA测序、AFLP指纹图谱、叶和花的形态测定以及基于单个植株周围植被的生态位表征。二倍体和四倍体的小尺度分布是什么?在被调查的三个地点?分子遗传(AFLP和质体DNA)关系是否反映了先前检测到的由倍性水平差异支配的差异,或者在二倍体和四倍体瞬时共存的区域是否存在跨细胞型基因流动的证据?细胞类型之间是否存在生态或形态上的分离?更具体地说,花性状是否比以前使用的叶性状更能区分细胞类型?我们发现混合倍性位点明显是次级接触区,因为基于AFLP标记,个体是按细胞型而不是按位置聚集的。我们没有发现最近在倍性边界上杂交的证据,但双亲遗传重组aflp与母亲遗传的质体DNA序列的交叉为过去的倍性基因流动提供了强有力的证据,因为五分之一的四倍体表现出单倍体,否则限制为二倍体。此外,细胞型之间的小规模生态分离较弱,但具有统计学意义。叶片性状在细胞型间分化不大,而花性状在细胞型间分化较强。总的来说,从分类学的角度来看,我们认为明确的全基因组分化加上花大小的一致形态差异并不排除两个不同物种(二倍体V. gaultherioides和四倍体V. uliginosum s.str .)的分化。
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引用次数: 5
Carex ×kneuckeri, a hybrid new for central Europe and neotypification of this name 草茎草×kneuckeri,中欧的一种新杂交植物和这个名字的新类型
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-06-01 DOI: 10.23855/PRESLIA.2019.161
Jacob Koopman, Paweł Kalinowski, M. Stech, H. Więcław
Carex ×kneuckeri (C. hirta × C. rostrata) is reported here for the first time to occur in south-eastern Poland and central Europe. Although both parents are widespread and common species in Europe, the hybrid is extremely rare or overlooked, worldwide only known from France (one locality), Sweden (two localities) and now also Poland (one locality). Carex ×kneuckeri has the general appearance of C. rostrata, but has hairy utricles and hairy leaf sheaths, like C. hirta. Phylogenetic analysis of plastid matK and (cloned) nuclear ribosomal ITS sequences indicates a close relationship of C. ×kneuckeri with C. rostrata. The ITS alignment shows complex mutational patterns and a clear dominance of the C. rostrata sequence type, but also an indication of the presence of the C. hirta sequence type. As no original material of C. ×kneuckeri could be traced, a specimen from the Swedish Museum of Natural History (S) is chosen here as the neotype for this name.
Carex ×kneuckeri (C. hirta × C. rostrata)在波兰东南部和中欧首次报道。虽然这两个亲本都是在欧洲广泛和常见的物种,但杂交是极其罕见或被忽视的,全世界只有在法国(一个地方),瑞典(两个地方)和现在波兰(一个地方)才知道。毛蕊草×kneuckeri与毛蕊草外观相似,但其胞果和叶鞘有毛,与毛蕊草相似。质体matK和(克隆的)核糖体ITS序列的系统发育分析表明,C. ×kneuckeri与C. rostrata亲缘关系密切。ITS比对显示出复杂的突变模式和C. rostrata序列类型的明显优势,但也表明C. hirta序列类型的存在。由于无法找到C. ×kneuckeri的原始资料,这里选择了瑞典自然历史博物馆(S)的一个标本作为这个名字的原型。
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引用次数: 2
Formalized classification of semi-dry grasslands in central and eastern Europe 中欧和东欧半干草地的正式分类
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-02-01 DOI: 10.23855/PRESLIA.2019.025
W. Willner, J. Roleček, A. Korolyuk, Jürgen Dengler, M. Chytrý, M. Janišová, A. Lengyel, S. Aćić, T. Becker, M. Čuk, O. Demina, Ute Jandt, Z. Kącki, Anna A. Kuzemko, M. Kropf, M. Lebedeva, Yuri Semenishchenkov, U. Šilc, Z. Stančić, M. Staudinger, K. Vassilev, S. Yamalov
European semi-dry grasslands are among the most species-richvegetation types in the northern hemisphere and form animportant part of the habitat mosaics in the forest-steppezone. However. there is no comprehensive evaluation of thevariation in their composition and the phytosocio-logicalclassification of these grasslands. For the syntaxonomicrevision, we used a dataset of 34,173 vegetation plot records(releves) from central and eastern Europe. which were assignedto the class Fesiuco-Bromeiea using the diagnostic specieslisted in the EuroVegChecklist. To determine the diagnosticspecies of the orders, we used a TWINSPAN classification of thewhole dataset. Of the total dataset, 15,449 releves wereassigned to the order Brachypodietalia pinnati. whichcorresponds to semi-dry grasslands. This subset was againclassified using TWINSPAN. Formal definitions of the followingalliances were established: Mesobromion erecti,Cirsio-Brachypodion pinnati (incl. Fragario-Trifolion montani.Agrosiio-Avenulion schellianae, Scabioso ochroleucae-Poionangustifoliae and Adonido vernalis-Stipion iirsae),Scorzonerion villosae and Chrysopogono-Danshonion. Anotheralliance, Armerion elongatae (=Koelerio-Phleion phleoidisp.p.). is transitional towards the classKoelerio-Corynephoreiea and its status needs furtherevaluation. We also established formal definitions of all ofthe associations of Mesobromion and Cirsio-Brachypodion withinthe area studied. Associations were identified using (i) aTWINSPAN classification of the whole order, (ii) TWINSPANclassifications of regionally restricted data sets (usually allBrachypodietalia plots in one country) and (iii) existingnational classification schemes. All formal definitions werewritten in the expert system language of the JUICE program. Toobtain a more complete picture of the floristic similaritiesand gradients. we performed a DCA ordination of theassociations. Our results revealed that meadow steppes in theforest-steppe zone in eastern Europe are very similar tosemi-dry grasslands in central Europe.
欧洲半干草地是北半球物种最丰富的植被类型之一,是森林-草原带生境马赛克的重要组成部分。然而。目前还没有对这些草原的组成变化和植物社会逻辑分类进行综合评价。为了进行句法修正,我们使用了来自中欧和东欧的34,173个植被样地记录的数据集。使用EuroVegChecklist中列出的诊断物种将其分配到Fesiuco-Bromeiea类。为了确定该目的诊断种,我们对整个数据集使用了TWINSPAN分类。在整个数据集中,15449个片段被分配给了Brachypodietalia pinnati目。这相当于半干草原。该子集再次使用TWINSPAN进行分类。建立了下列联盟的正式定义:mesbroromion erecti,Cirsio-Brachypodion pinnati(包括Fragario-Trifolion montani)。草皮草-雪条草、黄皮草-毒叶草、绿皮草-刺叶草、黄皮草-刺叶草、黄皮草-丹参草。另一个联盟,长甲军团(=Koelerio-Phleion phleoidisp.)。是向柯氏-柯氏类过渡,其地位有待进一步评价。在研究区域内,我们还建立了所有中生统和长尾-短足纲的关联的正式定义。使用(i)整个目的aTWINSPAN分类,(ii)区域限制数据集的twinspanclassification(通常是一个国家的所有brachypoditalia地块)和(iii)现有的国家分类方案来确定关联。所有的正式定义都是用JUICE程序的专家系统语言编写的。对植物区系的相似性和梯度有更全面的了解。我们对这些协会进行了DCA协调。我们的研究结果表明,东欧森林草原带的草甸草原与中欧的半干旱草原非常相似。
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引用次数: 47
Plant distribution data for the Czech Republic integrated in the Pladias database 捷克共和国的植物分布数据集成在Pladias数据库中
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-02-01 DOI: 10.23855/PRESLIA.2019.001
J. Wild, M. Chytrý, P. Novotný, Martin Rohn, Václav Šulc, J. Bruña, Karel Chobot, Libor Ekrt, Dana Holubová, Ilona Knollová, P. Kocián, M. Štech, J. Štěpánek, V. Zouhar, Z. Kaplan, J. Danihelka, P. Petřík
Research on the Czech flora has a long tradition and yielded a large number of records on the occurrence of plants. Several independent electronic databases were established during the last three decades in order to collect and manage these records. However, this fragmentation and the different characteristics of each database strongly limit the utilization and analyses of plant distribution data. Solving these problems was one of the aims of the Centre of Excellence PLADIAS (Plant Diversity Analysis and Synthesis. 2014-2018). which is also the source of the name of the central database of the project: Pladias - Database of the Czech Flora and Vegetation (www.pladias.cz). We developed an occurrence module as a part of the Pladias database in order to integrate species occurrence data on vascular plants in the Czech Republic for use in pure and applied research. In this paper, we present a description of the structure of this database, data handling and validation, creation of distribution maps based on critically evaluated records as well as descriptions of the original databases and explorative analyses of spatiotemporal and taxonomic coverage of the integrated occurrence data. So far we have integrated more than 13 million records of almost 5 thousand taxa (species, subspecies, varieties and hybrids). which came from five large national databases. seven regional projects and records collected within the PLADIAS project. The Pladias database is now the largest set of data on vascular plant occurrence in the Czech Republic, which is subject to continuous quality control. Analyses of this database pointed to differences in spatial and taxonomic coverage of the source datasets. However, it also showed that the targeted effort of experts focused on validating existing records, as well as the collection of new data is still necessary in order to obtain reliable distribution data for individual species.
对捷克植物区系的研究有着悠久的传统,并产生了大量关于植物发生的记录。在过去三十年中建立了几个独立的电子数据库,以便收集和管理这些记录。然而,这种碎片化和每个数据库的不同特征严重限制了植物分布数据的利用和分析。解决这些问题是卓越中心PLADIAS(植物多样性分析与综合,2014-2018)的目标之一。这也是该项目的中央数据库名称的来源:Pladias -捷克植物和植被数据库(www.pladias.cz)。我们开发了一个发生模块作为Pladias数据库的一部分,以便整合捷克共和国维管植物的物种发生数据,用于纯研究和应用研究。在本文中,我们介绍了该数据库的结构描述、数据处理和验证、基于批判性评估记录的分布图的创建、原始数据库的描述以及综合发生数据的时空和分类覆盖的探索性分析。到目前为止,我们已经整合了近5000个分类群(种、亚种、变种和杂交)的1300多万条记录。这些数据来自五个大型国家数据库。七个区域项目和在PLADIAS项目中收集的记录。Pladias数据库现在是捷克共和国维管植物发生情况的最大数据集,它受到持续的质量控制。对该数据库的分析指出了源数据集在空间和分类覆盖方面的差异。然而,它也表明,为了获得可靠的单个物种分布数据,专家们的目标努力集中在验证现有记录以及收集新数据上,这仍然是必要的。
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引用次数: 42
Physiology of a plant invasion 植物入侵的生理学
IF 3.4 2区 生物学 Q1 Agricultural and Biological Sciences Pub Date : 2019-02-01 DOI: 10.23855/PRESLIA.2019.051
P. Pyšek, H. Brix, L. Meyerson, H. Skálová, J. Čuda, Wen‐Yong Guo, J. Dolezal, Ondřej Kauzál, C. Lambertini, Klára Pyšková
The Czech Academy of Sciences, Institute of Botany, CZ-252 43 Průhonice, Czech Republic; email: pysek@ibot.cas.cz; Department of Ecology, Faculty of Science, Charles University, Viničná 7, CZ-128 44 Prague, Czech Republic; Department of Bioscience, Faculty of Science, Aarhus University, Ole Worms Alle 1, DK-8000 Aarhus C, Denmark; Museum and Gallery of the Orlické hory Mts, Jiráskova 2, CZ-516 01 Rychnov nad Kněžnou, Czech Republic; Department of Agricultural Science, University of Bologna, Via Fanin 44, 40127 Bologna, Italy; The University of Rhode Island, Department of Natural Resources Science, Kingston, RI, 02881 USA
捷克科学院植物研究所,CZ-252 43 Průhonice,捷克共和国;电子邮件:pysek@ibot.cas.cz;捷克查尔斯大学理学院生态学系,vini n 7,捷克布拉格CZ-128 44;奥尔胡斯大学理学院生物科学系,奥尔沃尔姆斯大道1号,丹麦奥尔胡斯DK-8000;orlick霍里山博物馆和画廊,Jiráskova 2, CZ-516 01 Rychnov nad Kněžnou,捷克共和国;博洛尼亚大学农业科学系,意大利博洛尼亚法宁大道44,40127;罗德岛大学自然资源科学系,金斯敦,罗德岛,02881美国
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引用次数: 23
期刊
Preslia
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