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Field Guide Dutch Plant Communities Species composition and ecology

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... In some countries of temperate Europe where the Aronia species had been cultivated, they are announced as invasive neophytes (Wiegers 1983(Wiegers , 1984Kukk et al. 2001;Sżkora & Bergsma 2005;Anonymous 2006b). In the Netherlands, Aronia communities classified as DC Aronia prunifolia-[Betulion pubescentis] are accompanied by Betula pubescens with rejuvenating Alnus glutinosa, while the herbaceous and moss layer is formed by Aulacomnium palustre and Eurhynchium praelongu (Sżkora & Bergsma 2005). ...
... In some countries of temperate Europe where the Aronia species had been cultivated, they are announced as invasive neophytes (Wiegers 1983(Wiegers , 1984Kukk et al. 2001;Sżkora & Bergsma 2005;Anonymous 2006b). In the Netherlands, Aronia communities classified as DC Aronia prunifolia-[Betulion pubescentis] are accompanied by Betula pubescens with rejuvenating Alnus glutinosa, while the herbaceous and moss layer is formed by Aulacomnium palustre and Eurhynchium praelongu (Sżkora & Bergsma 2005). Lohmeyer & Sukopp (1992) mention that in central Europe the species forms A. prunifolia communities, and had been found in Caricion fuscae and Alnion glutinosae communities. ...
... In very few cases A. prunifolia had been found on extremely dry sandy soils in sand dunes. No A. prunifolia shrubs were found in the neighbouring grasslands on calcareous soils dominated by Sesleria caerulea because the species do not tolerate high calcium levels (Sżkora & Bergsma 2005). This suggests that soils conditions are significant constraint limiting the spread of A. prunifolia, thus not allowing establishment in certain habitat types. ...
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Article
The paper presents a study of the non-native invasive shrub Aronia prunifolia, a species with a rising number of localities and increasing abundance within invaded areas. This deciduous shrub of North American origin is invading abandoned meadows, pastures and forests in some coastal parts of Latvia. Due to its specific habitat requirements, the species is confined to rather small areas, where it grows on moderately acidic to acidic soils on sand and peat substrates. In order to understand the factors limiting its spread, climatic and soil conditions, vegetation types and the spread of the species were studied. The species appears to be strongly related to the sub-oceanic climate with specific soil conditions, mostly low pH, as the most important limiting factors. In some areas it has become a vigorous invader, causing changes in biologically valuable grassland types and outcompeting local secondary shrub species.
... Lower nitrate content in the water in which the stands of Nuphar lutea develop was also found in the rivers of neighboring Croatia [7]. The dissolved and total phosphorus values define these habitat conditions as moderately eutrophic [44], as confirmed by the data reported in pertinent literature [9,11,51,52]. Moreover, the species of the C. demersum characteristic group, which forms thick "underwater meadows" in the analyzed stands, is an indicator of eutrophic habitat conditions, in line with the results reported for other studies [9,11,12,24,26,45,49,53,54]. ...
... In addition to being an edificator, H. morsus-ranae, which was highly abundant in these stands, is also an indicator of eutrophic status [11,55]. On the other hand, according to Sýkora [51], development of this association is unaffected by water quality. ...
... The highest dissolved and total phosphorus content, and very wide ecological amplitude of this important parameter, as an indicator of eutrophication, is characteristic of stands in other regions [6,11,45]. In addition to the edificator, hydrophytes S. polyrrhiza [9,12,21,51,54,59], H. morsus-ranae, C. demersum and L. minor [21,51,59] are also well adapted to the eutrophic levels and are widely represented. Within Nymphaeion alliance phytocenoses, the mean value of phosphorus significantly exceeds the limit of "good ecological status" only in habitats of Trapetum natantis stands [50]. ...
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Nymphaeion alliance vegetation is dominant floating-leaved vegetation in the Danube–Tisza–Danube hydrosystem in northwestern Serbia and comprises Nymphaeetum albae, Nymphaeetum albo-luteae, Nymphoidetum peltatae and Trapetum natantis associations. Comparative analysis of physical-chemical water parameters on localities where these – in most parts of Europe endangered and vulnerable stands – develop showed that most phytocenoses are associated with specific habitat conditions. Of the analyzed water properties, the factors that cause Nymphaeion alliance phytocenoses differentiation are primarily pH, alkalinity and COD-MnO4. Formation of the Nymphaeetum albae stands is significantly associated with the highest values of pH, COD-MnO4 and alkalinity, and the lowest nitrate, nitrite, dissolved and the total phosphorus content values, in comparison to the other studied associations. Nymphoidetum peltatae stands develop in waters characterized by the lowest pH and COD-MnO4, low alkalinity, and the highest nitrate and nitrite values in relation to the other analyzed phytocenoses. Trapetum natantis stands, on the other hand, prefer the warmer sections of the canal network, neutral pH, and the highest values of BOD5, dissolved and total phosphorus. Habitat conditions in which Nymphaeetum albo-luteae stands develop are of the widest range in comparison to other investigated phytocenoses.
... In addition to shallow waters close to the canal borders, fragments of these stands were also found in deeper waters. Based on the phosphorus content, the water conditions in this group are characterized as eutrophic [39], as confirmed by the findings of other studies [40,42,51]. Even though the difference is not statistically significant, the ammonium ion content is notable, as it reaches the value of max = 4.87 (most values exceed 0.3 mg/l), leading to the conclusion that the water in which these stands develop is of compromised quality. ...
... Džigurski et al. / Trapetum natantis in Serbia [51]. Nitrate water content is also higher than that measured at localities where other groups are developed (M e = 1.98). ...
... As stands containing H. morsus-ranae are developed in water rich in phosphates, total phosphorus content characterizes these conditions as hypertrophic [39]. The conditions reported in the literature as optimal for development of H. morsus-ranae can be mesotrophic [53,54], eutrophic [35,36,40,43,55] and hypertrophic [42,51,56], which is in line with our findings. ...
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Trapa natans is one of the very few plants that generate so many contrasting views: it is highly endangered in Europe, invasive in North America and Australia, yet highly valued in India and China due to its nutritional and medical properties. Its endangered status in most of the Europe has prompted significant conservation efforts aimed at retention and expansion of its population. T. natans is currently on the red list of many European countries and is included under “Appendix I” of the “Convention on the conservation of European wildlife and natural habitats” (Bern Convention) and IPA list (IPA criterion A, threatened species). The unusual circumstances, i.e. endangered status of T. natans in the region on one hand and its expansion in Serbia on the other, are the reason behind this research that aims to present the distribution, floristic composition and ecological conditions of ass. Trapetum natantis stands in hydromeliorative facilities (Serbia), comprised of 28 hydrophytes. In the analyzed stands, based on the long-term phytocenological studies, we have singled out four floristic and ecological groups: the stands in which T. natans predominates, the stands with Ceratophyllum demersum, the stands with lemnids plants (Lemna minor, L. gibba, Spirodela polyrrhiza) and Salvinia natans and the stands with Hydrocharis morsus-ranae. In the researched localities, the differentiation of ass. Trapetum natantis stands is predetermined by the phosphorus and nitrate content, as well as pH and BOD5 levels.
... where core surface in cm 2. Based on the function that carbon = A * D * BD * C. Where A is total area, D is the average of organic matter depth, BD is bulk density, C is carbon content (Verwer, 2010) 6 . ...
... Statistical analysis-The understory cluster was determined by TWINSPAN after all of the data was filed in to the TURBOVEG. To have complete overview of the understory composition, syntaxonomic table was also made based on Field Guide Dutch Plant Communities Species composition and ecology (Sykora, 2008) 7 . After checking for normal distribution in Microsoft Excel, the further analysis was applied in CANOCO for Windows. ...
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Conference Paper
Alder forest in the Terschelling island, the Netherlands has grown naturally after planted coniferous and deciduous trees since 1911. As the barrier island in the North coast of the Netherlands, Alder forest functions to protect the coastal dunes blowing. The relation of understory species of Alder forest in a changing environment needed to be investigated due to ecosystem services for the barrier island. The influence of abiotic factors and understory vegetation changes were analyzed using Multivariate DCA and CCA analysis. The understory vegetation of 48 releves had been described along the transect and found six plant communities which mainly influenced by soil pH, ground water table and total organic matter percentage. In addition, the organic matter accumulated higher in the dry soil rather than in the moist one. Meanwhile, canopy openness did not affect understory abundances and their occurrences. The consequences of the results would be wise to continue the observation understory vegetation related to environmental driven in order to obtain vegetation dynamics.
... Phytocenoses that formed in eutrophic waters in the study area included Ceratophylletum demersi, Hydrocharidetum morsus-ranae, Elodeetum canadensis, Najadetum marinae and Trapetum natantis. The eutrophic status is confirmed by the literature data reported for Hydrocharidetum morsus-ranae ( Schneider, 2009;Džigurski et al., 2013;Sýkora, 2006), Elodeetum canadensis ( Balevičiene and Balevičius, 2006;Chytrý et al., 2011), Najadetum marinae ( Chytrý et al., 2011) and Trapetum natantis (Szańkowski and Kłosowski, 1999;Schneider, 2009;Lukács et al., 2009;Chytrý et al., 2011). For the dominant subversive phytocenosis Ceratophylletum demersi, in addition to several studies that confirm our findings ( Dimopoulos et al., 2005;Lacoul and Freedman, 2006;Nikolić et al., 2007;Lukács et al., 2009;Chytrý et al., 2011), there is a number of works suggesting that low total phosphorous content is optimal for its development ( Kočić et al., 2008). ...
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Article
Aquatic vegetation of Hydrochari-Lemnetea and Potametea classes in the Danube-Tisza-Danube hydrosystem (Hs DTD) was studied in 2009–2012, by applying the standard Braun-Blanquet method. The canal network vegetation comprises 14 associations, with Trapetum natantis and Ceratophylletum demersi being the most widely distributed. Hs DTD is also a habitat for several important endangered species, which serve as edificators of the following phytocenoses: Nymphaeetum albae, Nymphaeetum albo-luteae, Nymphoidetum peltatae, Trapetum natantis, Lemno-Spirodeletum, Salvinio-Spirodeletum polyrrhizae, Lemno-Utricularietum vulgaris, Potametum nodosi, Myriophyllo-Potametum and Najadetum marinae. In the studied vegetation, we also found an invasive phytocenosis Elodeetum canadensis that did not have an expanding tendency, and Ceratophyllo demersi-Vallisnerietum spiralis that had this tendency, which made monitoring its stands necessary. Physico-chemical analyses of water, conducted at localities in which the studied phytocenoses thrive, revealed that the development and distribution of most phytocenoses is closely linked with specific habitat conditions. Among the studied parameters, the most significant for the phytocenoses differentiation were: pH, alkalinity, COD-MnO4, BOD5, NO 3−, NO 2−, PO 43− and the concentration of total phosphorus.
... In this study, wa-A u t h o r ' s c o p y ter and marsh associations were most highly developed in depths up to 1.8 m. This agrees with the findings of Sýkora (2008) for Dutch Nymphaeion albe communities, but only partly with Dimopoulos et al. (2005) who found water lilies up to 2.5 m in Greek freshwater wetland. In terms of water depths related to the Potametum perfoliati association and other Potamogeton taxa, the present findings agree with the data of Ştefan et al. (2006) for the Danube Delta Biosphere Reserve, but they are inconsistent with those of Randjelović et al. (1993) for the Croatian oligotrophic karstic Krka River who found such communities mostly in depths between 2.7 and 4 m. ...
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This paper describes the plant communities of two oligotrophic karstic rivers with a slight anthropogenic influence — the Trebižat and the Lištica — in South Bosnia and Herzegovina, their sinecology, and the relationship between vegetation and plant species and environmental parameters. According to 87 relevés, a total of 26 plant associations, using Braun-Blanquet methods, were found in the rivers and nearby surveyed area. Only nine associations were common to both rivers. Eight associations were recorded for the territory of Bosnia and Herzegovina for the first time. Associations from both rivers differed according to following parameters measured at the sampling site: water temperature, distance from the mouth (river kilometers), river width, water depth, flow, pH and slope. There were no differences in nutrient concentrations among the associations. According to Canonical Correspondence Analysis (CCA), three environmental variables out of the 11 initially considered were retained as being related to plant distribution. The first two axes explained 56.8% and 35.2% of variance of species-environment relationship in the Trebižat and Lištica rivers, respectively. Water depth in the Trebižat River, and pH and river kilometers in the Lištica River were found to be the most influential, while nutrients and other physico-chemical parameters were not significant in either river. Water depth vector was identified as an underlying environmental factor determining distribution of Potamogeton lucens and Myriophyllum verticillatum (Potamion), and Nymphaea alba (Nymphaeion albae). According to in situ measurements of light intensity, the highest coefficients of light attenuation, radiance and reflection were found at a station with dense populations of Potamogeton lucens and Nuphar luteum (Potametum lucentis). The vegetation and floristic value of the rivers is discussed as a basis for biodiversity conservation programmes and evaluating the state of these ecosystems in the future.
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This datasheet on Aronia x prunifolia covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Environmental Requirements, Natural Enemies, Impacts, Uses, Prevention/Control, Management, Further Information.
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Acidophilous oak forests of the Wielkopolska region (West Poland) against the background of Central Europe This monograph gives the phytosociological characteristics of acidophilous oak forests from the class Quercetea robori-petraeae (Aulacomnio androgyni-Quercetum, Molinio caeruleae-Quercetum, and Calamagrostio arundinaceae-Quercetum) and the closely related forest communities from the classes Querco-Fagetea (Potentillo albae-Quercetum and acidophilous forms of Galio sylvatici-Carpinetum) and Vaccinio-Piceetea (Querco roboris-Pinetum and Serratulo-Pinetum) in the Wielkopolska region and adjacent areas. The report is based on 1655 relevés selected from 59 published or unpublished studies. The analysed and revised syntaxa are described in accordance with the International Code of Phytosociological Nomenclature. The distribution of the documented localities of all associations and subassociations in the study area is shown in cartograms on the ATPOL grid (squares of 10 km x 10 km). The classical phytosociological methods are complemented with multivariate ordination methods (detrended correspondence analysis and/or principal component analysis) and analyses taking into account Ellenberg indicator values. The natural geographical and site differentiation of all the plant associations is presented, and stages of degeneration are distinguished in some of them. The separation of degenerated forms and substitute forest communities has allowed a clearer classification of the studied syntaxa. This study shows that the analysed associations can be subdivided into 16 subassociations and 23 variants. For 5 subassociations, nomenclatural types are designated here. The most common association in the study area is Calamagrostio arundinaceae-Quercetum, but most of its relevés represent various stages of degeneration. Among communities from the order Quercetalia roboris, patches of Aulacomnio androgyni-Quercetum and Molinio caeruleae-Quercetum are rare. On the basis of this detailed study, a coherent system of classification of acidophilous oak forests from the order Quercetalia roboris in Central Europe is proposed. The results are important for biodiversity conservation and sustainable forest management.
Armerion maritimae] instead of Armerio-Festucetum TC26Ac.2 Festuca rubra-[Armerion maritimae] instead of Armerio-Festucetum TC26.1 Scirpus maritimus-[Asteretea tripolii] (synonym Halo-Scirpetum maritimi), both outside and inside the dike
  • Armeria Maritima-Festuca Rubra
Armeria maritima -Festuca rubra-[Armerion maritimae] instead of Armerio-Festucetum TC26Ac.2 Festuca rubra-[Armerion maritimae] instead of Armerio-Festucetum TC26.1 Scirpus maritimus-[Asteretea tripolii] (synonym Halo-Scirpetum maritimi), both outside and inside the dike. Sensitive to grazing and treading.