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Classifying halophytes and halophytic vegetation - an Editorial 盐生植物与盐生植被的分类
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2016-12-01 DOI: 10.1127/phyto/2016/0174
E. Bergmeier, J. Schaminée
As an introduction to the Special Issue "Halophytic vegetation", which includes four research studies and one review article, this Editorial briefly touches on problems, challenges and solution approaches related to the classification of vegetation associated with coastal and inland saline habitats. Three central issues, addressed in this introduction, are: (i) Extreme habitat conditions generate species-poor vegetation. Samples of such vegetation shaped by dominant plants may be difficult to classify at and beyond the level of association. (ii) Halophytic vegetation is phenologically heterogeneous, often with late-flowering and late-fruiting matrix species of the chenopod family. Multiple sampling is recommendable for fieldwork, moreover critical re-assessment of historical saltmarsh plot data, especially if collected early in the year. (iii) Vegetation classification and ecology make use of, and depend on, the results of plant taxonomic and phylogenetic research. Yet in turn, vegetation classification may be supportive of plant taxonomy if cryptic and newly described or circumscribed taxa prove to be ecologically, phytosociologically, phytogeographically or phenologically distinct, and likewise if they are not.
作为《盐生植被》特刊(包括4项研究和1篇综述文章)的导论,本社论简要介绍了与沿海和内陆含盐生境植被分类相关的问题、挑战和解决方法。本导言中讨论的三个中心问题是:(i)极端的生境条件造成物种贫乏的植被。这种由优势植物形成的植被样本可能难以在关联水平上或超越关联水平进行分类。(ii)盐生植被在物候上是异质的,通常是藜科的开花晚、结果晚的基质物种。建议在实地工作中进行多次采样,并且对历史盐沼地块数据进行关键的重新评估,特别是在年初收集的数据。(三)植被分类和生态学利用并依赖于植物分类学和系统发育研究的结果。然而,反过来,如果隐蔽性和新描述的或限定的分类群在生态学、植物社会学、植物地理学或物候学上被证明是不同的,植被分类可能支持植物分类学,同样,如果它们不是。
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引用次数: 3
The ecology and classification of wetland vegetation in the Maputaland Coastal Plain, South Africa 南非马普塔兰海岸平原湿地植被的生态学与分类
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2016-09-01 DOI: 10.1127/PHYTO/2016/0057
L. Pretorius, L. Brown, G. Bredenkamp, C. Huyssteen
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引用次数: 8
Vegetation Database of the Okavango Basin 奥卡万戈盆地植被数据库
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2016-06-01 DOI: 10.1127/PHYTO/2016/0103
R. Revermann, Amândio Gomes, F. M. Gonçalves, Johannes Wallenfang, T. Hoche, N. Jürgens, M. Finckh
The Okavango river basin, located in southern Africa and shared by the countries Angola, Namibia and Botswana, harbours large extents of natural and semi-natural ecosystems. At the same time, it is a hot spot of accelerating land use change causing transformation of vegetation in many regions of the basin. However, knowledge on vegetation composition and plant diversity is very limited, especially of the upper reaches of the river in Angola. The Future Okavango (TFO) project aimed at closing this gap and initiated a plot-based vegetation survey in 2011. Here we present the resulting Vegetation Database of the Okavango Basin (GIVD ID: AF-00-009; http://www.givd.info/ID/AF-00-009). We used unsupervised classification of MODIS land surface phenology metrics to identify existing major vegetation units forming the basis of a random, stratified sampling design. However, sampling was largely constrained by limited access and the hazard of land mines, a legacy of the civil war in Angola. Furthermore, detailed sampling on four local study sites of 100 km2 representing the different macro-ecosystems of the basin was carried out. Vegetation plots followed a nested design of a 100-m2 plot resting in the centre of a 1,000-m2 plot. In every plot, we recorded all vascular plant species with their estimated, projected cover, vegetation height, cover of vegetation strata, topography, and intensity of land use activities. Furthermore, soil samples were taken, and diameters of trees measured. Currently, the database has a focus on terrestrial vegetation, including Miombo woodlands and forests, geoxylic grasslands, Baikiaea-Burkea woodlands, and Colophospermum mopane woodlands. However, the database also includes plots of the tropical wetlands and peat bogs of the Angolan Central Plateau. The specific vegetation of the Okavango Delta is not yet included. The collected vegetation data will feed into a phytosociological classification and ecological modelling applications. Another objective is the identification of successional pathways after disturbance through land use. Ultimately, it will provide the basis for a vegetation map of the Okavango region.
奥卡万戈河流域位于非洲南部,由安哥拉、纳米比亚和博茨瓦纳三国共有,拥有大面积的自然和半自然生态系统。同时,它也是加速土地利用变化的热点地区,导致流域许多地区的植被发生转变。然而,关于植被组成和植物多样性的知识非常有限,特别是在安哥拉的河流上游。未来奥卡万戈(TFO)项目旨在缩小这一差距,并于2011年启动了基于地块的植被调查。在这里,我们展示了由此产生的奥卡万戈盆地植被数据库(GIVD ID: AF-00-009;http://www.givd.info/id/af - 00 - 009)。我们使用MODIS陆地表面物候指标的无监督分类来识别现有的主要植被单元,形成随机分层抽样设计的基础。然而,抽样工作在很大程度上受到了通道有限和安哥拉内战遗留下来的地雷危险的限制。此外,还对代表流域不同宏观生态系统的4个100 km2的局部研究点进行了详细采样。植被地块遵循100平方米的嵌套设计,位于1000平方米地块的中心。在每个样地,我们记录了所有维管植物物种的估计和预测盖度、植被高度、植被层盖度、地形和土地利用活动强度。此外,还采集了土壤样本,测量了树木的直径。目前,该数据库的重点是陆地植被,包括Miombo林地和森林、地质草地、baikiea - burkea林地和Colophospermum mopane林地。然而,该数据库还包括安哥拉中央高原的热带湿地和泥炭沼泽。奥卡万戈三角洲的具体植被尚未包括在内。收集到的植被数据将用于植物社会学分类和生态建模应用。另一个目标是通过土地利用确定干扰后的演替路径。最终,它将为奥卡万戈地区的植被图提供基础。
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引用次数: 16
Classification of the class Molinio-Arrhenatheretea in the forest and forest-steppe zones of Ukraine. 乌克兰森林和森林草原地区Molinio-Arrhenatheretea类的分类。
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2016-01-17 DOI: 10.1127/PHYTO/2016/0083
Anna A. Kuzemko
Aims: This paper reviews the classification of mesic grassland vegetation (phytosociological class Molinio-Arrhenatheretea) in Ukraine, and integrates the units recorded into the common European syntaxonomical system of the Molinio-Arrhenatheretea class. It also proposes solutions to a number of issues that cause conflict between the classical Central European concept of the Molinio-Arrhenatheretea class and its traditional syntaxonomy in the former USSR. Location: Forest and forest steppe zones of Ukraine. Methods: I analysed 2,105 relevés originally assigned to the Molinio-Arrhenatheretea class using the European Expert System and Kmeans clustering. The units were evaluated for quality and internal homogeneity using Sharpness index and Average Whittaker beta-diversity. I determined the diagnostic species of the vegetation units using calculations of their fidelity based on a phi-coefficient. The environmental assessment of the units follows the Didukh indicator values. Results: I interpreted the resulting vegetation units as alliances of the Braun-Blanquet system (Agrostion vinealis, Arrhenatherion elatioris, Cynosurion cristati, Deschampsion cespitosae, Molinion caeruleae, Potentillion anserinae and Calthion palustris) based on a complex of diagnostic species. I also analysed the distribution of the communities of the identified alliances in the study area, revealing their ecological features. Conclusions: The use of modern phytosociological methods in this study to analyse geobotanical data collected over a long period and a large area covering the whole range of the Molinio-Arrhenatheretea class in the country, clarified a number of controversial issues previously related to the lack of coordination between the Central and Eastern European phytosociology.
目的:综述了乌克兰中散草原植被(植物社会学纲molinio - arrhenathertea)的分类,并将记录的单位整合到molinio - arrhenathertea纲的欧洲共同分类系统中。它还提出了一些问题的解决办法,这些问题导致中欧经典的Molinio-Arrhenatheretea阶级概念与前苏联的传统语法之间的冲突。地理位置:乌克兰的森林和森林草原地带。方法:使用欧洲专家系统和Kmeans聚类分析了最初分配给molinio - arrhenathettea类的2105个相关的芸芸杂件。使用锐度指数和平均惠特克beta多样性评估单位的质量和内部均匀性。我利用基于一个phi系数的保真度计算来确定植被单元的诊断种。这些单位的环境评价遵循Didukh指标值。结果:在诊断种复合体的基础上,我将得到的植被单元解释为Braun-Blanquet系统的联盟(Agrostion vinealis、Arrhenatherion elatiis、Cynosurion cristati、Deschampsion cespitosae、Molinion caeruleae、Potentillion anserinae和Calthion palustris)。分析了研究区内各联盟的群落分布,揭示了其生态特征。结论:本研究利用现代植物社会学方法分析了长期收集的、覆盖该国molinio - arrhenathertea类整个范围的大范围地植物学数据,澄清了先前与中欧和东欧植物社会学缺乏协调有关的一些有争议的问题。
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引用次数: 13
Phytosociological analysis of white oak (Quercus pubescens s. l.) woodlands and related successional stages: Spatial patterns and their drivers 白栎林地及其演替阶段的植物社会学分析:空间格局及其驱动因素
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2015-12-01 DOI: 10.1127/PHYTO/2015/0008
L. Facioni, S. Burrascano, E. D. Vico, L. Rosati, A. Tilia, C. Blasi
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引用次数: 3
Hydro-hygrophilous vegetation diversity and distribution patterns in riverine wetlands in an agricultural landscape: a case study from the Oglio River (Po Plain, Northern Italy) 农业景观中河流湿地亲水植被多样性及分布格局——以意大利北部Po平原Oglio河为例
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2015-07-01 DOI: 10.1127/0340-269X/2014/0044
R. Bolpagni, A. Piotti
In the European plains, up to eighty percent of riverine wetlands have been lost due to alteration of hydrological regime and catchment exploitation. This condition is expected to be further negatively exacerbated by climate change. To better understand the observed change in distribution patterns of hydro-hygrophilous vegetation in temperate and Mediterranean floodplains, a vegetation survey was conducted within the lower Oglio River reach in Northern Italy. This river is a mid-size, altered and nutrient-rich left tributary of the Po River. During the 2008 growing season, a total of 60 marginal aquatic habitats were investigated. Overall, 37 vegetation communities were detected, showing a clear predominance of hygrophilous herbaceous plant communities both in terms of representativeness (55.1%) and diversity (54.1%) with respect to woody (22.9% and 10.8%, respectively), and obligate aquatic vegetation (22.0% and 35.1%, respectively). Our main findings were (1) the widespread presence of highly opportunistic, non-native and invasive hygrophilous plant communities (largely dominated by Amorpha fruticosa, Phragmites australis s.l., Amaranthus spp., Bidens spp., and Cyperus spp.), and (2) the limited distribution of hydrophyte vegetation usually dominated by pleustophytes (e.g., Spirodela polyrhiza and Lemna spp.). The present study confirms the dominance of secondary plant communities characterized by the widespread presence of alien species in lowland over-exploited riverscapes, coupled with a low local representativeness of native willow (Salix alba, S. cinerea) communities and anchored macrophyte (batrachid, ceratophyllid, elodeid, myriophyllid) meadows. Total vegetation diversity is consistent with previous studies in similar ecological contexts; on the other hand, at the site scale, the diversity values were extremely low. This is especially true for the aquatic vegetation, and can be related to the high water turbidity and chlorophyll-a concentrations that prevent the establishment and colonization of submerged and rooted hydrophytes. Consequently, we stress the need for metabolic and biogeochemical indicators to assess the actual trophic status of lowland wetlands in order to clarify their potential to be restored.
在欧洲平原,由于水文状况的改变和集水区的开发,高达80%的河流湿地已经丧失。这种情况预计将因气候变化而进一步恶化。为了更好地理解观测到的温带和地中海洪泛区亲水植被分布格局的变化,在意大利北部奥格里奥河下游河段进行了植被调查。这条河是波河的一条中等大小、变化和营养丰富的左支流。在2008年生长季,共调查了60个边缘水生生境。共检测到37个植被群落,亲水性草本植物群落在代表性(55.1%)和多样性(54.1%)方面明显优于木本植物(22.9%和10.8%)和专性水生植物(22.0%和35.1%)。主要发现:(1)具有高度机会性、非原生和入侵性的喜水植物群落广泛存在(主要以紫穗槐、芦苇、苋属、Bidens属和莎草属为主);(2)以多生植物为主的水生植被分布有限(如多根螺旋藻和Lemna属)。本研究证实了次生植物群落的优势,其特征是在低地过度开发的河流景观中广泛存在外来物种,同时本地柳树(Salix alba, S. cinerea)群落和锚定的大型植物(batrachid, ceratophyllid, elodeid, myriophyllid)草甸的代表性较低。在相似的生态环境下,植被总多样性与前人的研究结果一致;另一方面,在立地尺度上,多样性值极低。对于水生植物来说尤其如此,这可能与水的高浊度和叶绿素-a浓度有关,这阻碍了淹没和扎根的水生植物的建立和定植。因此,我们强调需要代谢和生物地球化学指标来评估低地湿地的实际营养状况,以明确其恢复的潜力。
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引用次数: 34
A palynological approach to the study of Quercus pyrenaica forest communities in the Spanish Central System 用孢粉学方法研究西班牙中央系统的比利栎森林群落
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2015-07-01 DOI: 10.1127/0340-269X/2014/0044-0572
J. López‐Sáez, F. Alba-Sánchez, D. Sánchez-Mata, D. Abel-Schaad, R. Gavilán, S. Pérez‐Díaz
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引用次数: 35
VegPáramo, a flora and vegetation database for the Andean páramo VegPáramo,一个安第斯山脉的植物和植被数据库páramo
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2015-07-01 DOI: 10.1127/phyto/2015/0045
G. Peyre, H. Balslev, David Martí, P. Sklenář, P. Ramsay, P. Lozano, N. Cuello, R. Bussmann, Omar Cabrera, X. Font
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引用次数: 18
Phlomis fruticosa scrublands in the central Mediterranean region: syntaxonomy and ecology. 地中海中部地区海苔灌丛:分类学和生态学。
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2015-07-01 DOI: 10.1127/PHYTO/2015/0041
G. Fanelli, F. Attorre, M. D. Giudice, Ermelinda Gjeta, M. Sanctis
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引用次数: 7
WetVegEurope: a database of aquatic and wetland vegetation of Europe 欧洲水生和湿地植被数据库
IF 1 4区 生物学 Q4 ECOLOGY Pub Date : 2015-01-07 DOI: 10.1127/PHYTO/2015/0050
F. Landucci, M. Řezníčková, Kateřina Šumberová, S. Hennekens, J. Schaminée
WetVegEurope is a research project (http://www.sci.muni.cz/botany/vegsci/wetveg) whose goal is to provide a synthesized formalized classification of the aquatic and marsh vegetation across Europe at the level of phytosociological associations. In order to achieve the project objective, a WetVegEurope database has been created (GIVD ID: EU-00-020, http://w-ww.givd.info/ID/EU-00-020), which currently contains 375,212 vegetation plots of aquatic, marsh and wet vegetation types from 33 European countries. The WetVegEurope database includes datasets from pre-existing national and thematic databases and also 10,616 plots previously not digitalized or even unpublished. This database offers an extensive source of data for future studies on aquatic and marsh plant species and vegetation types at the European scale.
wetvegeerope是一个研究项目(http://www.sci.muni.cz/botany/vegsci/wetveg),其目标是在植物社会学协会的水平上为整个欧洲的水生和沼泽植被提供一个综合的正式分类。为了实现该项目的目标,已经建立了一个欧洲湿地数据库(GIVD ID: EU-00-020, http://w-ww.givd.info/ID/EU-00-020),目前包含来自33个欧洲国家的375,212个水生、沼泽和湿植被类型的植被样地。欧洲湿地数据库包括来自已有的国家和专题数据库的数据集,以及以前未数字化或甚至未发表的10616个地块。该数据库为今后在欧洲范围内对水生和沼泽植物物种和植被类型的研究提供了广泛的数据来源。
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引用次数: 17
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Phytocoenologia
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