scholarly journals Early stadiums of floodplain forest succession in a wide river beds upon an example of Bečva

2012 ◽  
Vol 50 (No. 7) ◽  
pp. 338-352 ◽  
Author(s):  
J. Klečka
Keyword(s):  
Life Form ◽  
Forest Succession ◽  
Woody Species ◽  
Phalaris Arundinacea ◽  
Floodplain Forest ◽  
Site Conditions ◽  
Reynoutria Japonica ◽  
Fluvial Processes ◽  
Myricaria Germanica ◽  
Homogeneous Environment

In the years 1999–2001 early stadiums of succession development of a floodplain forest were monitored in the wide bed of the Bečva River formed during the floods in 1997. Changing site conditions were investigated and the vegetation of pebble beds was repeatedly mapped in detail. In dependence on the site conditions main types of biotopes were described. The vegetation data were evaluated in accordance with the life form and ecological claims of the identified species. The results indicated an increasing differentiation of the originally relatively homogeneous environment owing to fluvial processes and progress of vegetation. Generally hemicryptophytes and hemiheliophytes were thriving above all, the dominance of Phalaris arundinacea was still growing. As for the woody species, especially willows asserted themselves from the beginning, solitarily and weaker in vitality representatives of other genera were present at drier sites. The identified specimen of Myricaria germanica was probably planted artificially. As concerns neophytes, only Reynoutria japonica was spreading significantly but in a very uneven way. Generally, this development of similar communities only little documented in this region corresponds to STG Saliceta fragilis inf.

Floodplain forest succession reveals fluvial processes: A hydrogeomorphic model for temperate riparian woodlands

2015 ◽  
Vol 161 ◽  
pp. 72-82 ◽  
Author(s):  
Gregory Egger ◽  
Emilio Politti ◽  
Erwin Lautsch ◽  
Rohan Benjankar ◽  
Karen M. Gill ◽  
...  
Keyword(s):  
Forest Succession ◽  
Floodplain Forest ◽  
Fluvial Processes ◽  
Riparian Woodlands

Does strategy of resource acquisition in tropical woody species vary with life form, leaf texture, and canopy gradient?

2010 ◽  
Vol 129 (6) ◽  
pp. 1093-1108 ◽  
Author(s):  
Fude Liu ◽  
Wenjie Yang ◽  
Ming Zhang ◽  
Yuhong Liu ◽  
Jianwei Zheng ◽  
...  
Keyword(s):  
Life Form ◽  
Woody Species ◽  
Resource Acquisition

Long-Term Assessment of Alternative Strategies for the Restoration of Floodplain Forest in the Presence of an Invasive Grass, Phalaris arundinacea

Wetlands ◽  
2019 ◽  
Vol 40 (3) ◽  
pp. 655-665 ◽  
Author(s):  
Jeffrey W. Matthews ◽  
Susan McIntyre ◽  
Ariane L. Peralta ◽  
Cassandra Rodgers
Keyword(s):  
Phalaris Arundinacea ◽  
Floodplain Forest ◽  
Invasive Grass ◽  
Alternative Strategies

scholarly journals Floristic diversity of beech, fir and spruce forest (Piceo-Fago-Abietetum Colic 1965) in the „Tara“ national park

2010 ◽  
pp. 129-143 ◽  
Author(s):  
Rade Cvjeticanin ◽  
Marijana Novakovic
Keyword(s):  
Plant Community ◽  
National Park ◽  
Life Form ◽  
Floristic Composition ◽  
Life Forms ◽  
Site Conditions ◽  
Floristic Diversity ◽  
Spruce Forest ◽  
Floristic Elements ◽  
Floristic Element

This paper deals with the forest plant community of beech, fir and spruce (Piceo-Fago-Abietetum Colic 1965), which is the most widely distributed plant community on the territory of national park ?Tara?. Spectrum of life forms and floristic elements are specified for this community. Spectrum of life forms shows that hemicryptophytes are the most frequent, with high occurrence of geophytes, which is characteristic of this mesophilous plant community. Spectrum of floristic elements show that centraleuropean floristic element is dominant and that this plant community is under strong influence of subcentraleuropean region. Five subassociations are set apart on the basis of floristic composition and site conditions: typicum, drymetosum, aceretosum, pinetosum silvestrae and vaccinietosum. Spectrum of life forms is made for every subassociation separately in aim to compare their floristic compositions. Subassociations aceretosum and vaccinietosum are characterized by the highest occurence of phanerophytes, and the lowest occurence of this life form is represented in subassociation drymetosum. The highest occurence of geophytes is in subassociation aceretosum, and the lowest in pinetosum silvestrae and vaccinietosum. Occurence of hemicryptophytes is the highest in subassociations drymetosum and pinetosum silvestrae, and the lowest in aceretosum. Subassociation typicum is stable plant community, subassociations drymetosum and vaccinietosum grow on poorer sites, while subassociations aceretosum and pinetosum silvestrae represent degradation of beech, fir and spruce forest (Piceo-Fago-Abietetum Colic 1965).

scholarly journals Underground deserts below fertility islands? – Woody species desiccate lower soil layers in sandy drylands

2020 ◽  
Author(s):  
Csaba Tolgyesi ◽  
Peter Torok ◽  
Alida Anna Habenczyus ◽  
Zoltan Batory ◽  
Valko Orsolya ◽  
...  
Keyword(s):  
Water Balance ◽  
Woody Plants ◽  
Woody Species ◽  
Site Conditions ◽  
Herb Layer ◽  
Soil Layers ◽  
Ground Water Recharge ◽  
Islands Of Fertility ◽  
Natural Stands ◽  
Regional Water

AbstractWoody plants in water-limited ecosystems affect their environment on multiple scales: locally, natural stands can create islands of fertility for herb layer communities compared to open habitats, but afforestation has been shown to negatively affect regional water balance and productivity. Despite these contrasting observations, no coherent multiscale framework has been developed for the environmental effects of woody plants in water-limited ecosystems. To link local and regional effects of woody species in a spatially explicit model, we simultaneously measured site conditions (microclimate, nutrient availability and topsoil moisture) and conditions of regional relevance (deeper soil moisture), in forests with different canopy types (long, intermediate and short annual lifetime) and adjacent grasslands in sandy drylands. All types of forests ameliorated site conditions compared to adjacent grasslands, although natural stands did so more effectively than managed ones. At the same time, all forests desiccated deeper soil layers during the vegetation period, and the longer the canopy lifetime, the more severe the desiccation in summer and more delayed the recharge after the active period of the canopy. We conclude that the site-scale environmental amelioration brought about by woody species is bound to co-occur with the desiccation of deeper soil layers, leading to deficient ground water recharge. This means that the cost of creating islands of fertility for sensitive herb layer organisms is an inevitable negative impact on regional water balance. The canopy type or management intensity of the forests affects the magnitude but not the direction of these effects. The outlined framework of the effects of woody species should be considered for the conservation, restoration, or profit-oriented use of forests as well as in forest-based carbon sequestration and soil erosion control projects in water-limited ecosystems.

scholarly journals Forest succession in post-agricultural Larix olgensis plantations in northeast China

2019 ◽  
Vol 31 (6) ◽  
pp. 2495-2505
Author(s):  
Wei Ma ◽  
Shen Lei ◽  
Yujun Sun ◽  
Jason Grabosky
Keyword(s):  
Correspondence Analysis ◽  
Forest Succession ◽  
Soil Conditions ◽  
Site Conditions ◽  
Larix Olgensis ◽  
Species Analysis ◽  
Species Population ◽  
Successional Stages ◽  
Succession Process ◽  
The Relationship

Abstract In order to understand the management of regional vegetation, numerical classification and ordination are widely used to investigate community distribution and vegetation features. In particular, two-way indicator-species analysis programs (TWINSPAN) classifies plots and species into different groups. De-trended correspondence analysis (DCA) and canonical correspondence analysis (CCA) reflects the relationship between community and site conditions. Afforestation with Larix olgensis Herry. Plantations is a suitable restoration strategy on post-agricultural fields in the Lesser Khingan Mountains. The results of this study show how these plantations develop over time to establish a reliable pathway model by measuring and clarifying the succession process. Twenty-eight L. olgensis plantations along a 48-year chronosequence of afforestation were investigated with a quadrat sampling method. Species composition, community structure attributes of diversity, and site conditions were analyzed. Communities were classified by TWINSPAN into five successional stages: immature, juvenile, mid-aged, near-mature and mature. Classifications were validated by DCA and CCA analysis. Site conditions such as soil and litter thickness, soil organic matter, soil density, and pH were measured. Successional stages varied in community composition and species population, accompanied by time from afforestation and a gradient of site conditions. This gradient showed changes in vegetation occurrence and diversity coinciding with changes in soil conditions. The study showed that L. olgensis plantations had marked predominance in growth and were associated with improved soil fertility and the formation of a stable plant community.

scholarly journals A Gis-Based Mapping and Estimation the Current Forest Landscape State and Dynamics

2011 ◽  
Vol 4 (1) ◽  
pp. 42-54 ◽  
Author(s):  
Vera Ryzhkova ◽  
Irina Danilova ◽  
Mikhail Korets
Keyword(s):  
Forest Regeneration ◽  
Forest Succession ◽  
Test Site ◽  
Site Conditions ◽  
Forest Landscape ◽  
Central Siberia ◽  
Regeneration Dynamics ◽  
Digital Elevation ◽  
Landsat 7 ◽  
Elevation Model

A Gis-Based Mapping and Estimation the Current Forest Landscape State and DynamicsClassification and inventory of the current diversity of forest communities and their environments (i.e. site conditions) were developed based on Kolesnikov's topogenetic classification approach in Angara region (Central Siberia). This classification considers characteristics of forest regeneration dynamics, such as trends and rates of forest regeneration succession in a range of site conditions; therefore, it is used as a basis of a key for a forest regeneration dynamics map. An algorithm of forest regeneration dynamics mapping based on a spatial analysis of multi-band satellite data, a digital elevation model (DEM), and ground data combined with expert estimates of the resulting land cover classes was applied using geographic information system (GIS) "Forests of Central Siberia". Based on this algorithm, Landsat 7 ETM+ satellite imagery, SRTM-3- DEM, and field data were processed for the Angara test site. The resulting maps include two polygonal vector layers: one is forest regeneration stages (stand types) and the other is forest succession series (forest types) in a range of site conditions.

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