Plant Communities and Associated Soil Types in a High Plateau of the Cordoba Mountains, Central Argentina

1987 ◽  
Vol 7 (1) ◽  
pp. 25 ◽  
Author(s):  
Marcelo Cabido ◽  
Richard Breimer ◽  
Graciela Vega
2017 ◽  
Vol 12 (1) ◽  
pp. 23-33 ◽  
Author(s):  
María Cecilia Ferrero ◽  
Sebastián R Zeballos ◽  
Juan I Whitworth-Hulse ◽  
Melisa A Giorgis ◽  
Diego E Gurvich

1970 ◽  
Vol 48 (1) ◽  
pp. 147-152
Author(s):  
Richard J. Medve

Soils collected from eight different plant communities that contained red maples (Acer rubrum L.) had little effect on root fan structures of red maple seedlings. Seedlings from eight seed sources, grown in the same soil types, showed a significant amount of variation for third order root characteristics. Root fan structures, especially those characteristics relating to beaded rootlets, were significantly affected by soil sterilization. Root fan structures were more copious and developed more rapidly on indigenous seedlings than on seedlings grown under greenhouse conditions.


2018 ◽  
Vol 49 (1) ◽  
pp. 30-39 ◽  
Author(s):  
E. A. Ivanova ◽  
E. V. Pershina ◽  
O. V. Kutovaya ◽  
N. Kh. Sergalieva ◽  
A. G. Nagieva ◽  
...  

2012 ◽  
Vol 58 (1) ◽  
pp. 243-253
Author(s):  
Janina Skrzyczyńska ◽  
Zofia Rzymowska ◽  
Piotr Stachowicz

The research on the localities of <i>Avena strigosa</i> and on its increased occurrence in agricultural crops of the Podlaski Przełom Bugu was carried out in 1994-1998. The documentation of this research consists of 600 phytosociological relevés and the floristic records. The paper presents the composition and structure of the field plant communities where <i>Avena strigosa</i> was found. It occurs frequently on various soil types of the Podlaski Przełom Bugu. However, on the area examined it was found just in small numbers, covering up to 5% of the area, while in the eastern part of the area an increase in its occurrence was observed. In the area of the Podlaski Przełom Bugu <i>Avena strigosa</i> occurred in spring cereals in the communities of <i>Arnoserido</i>-<i>Scleranthetum</i> and <i>Vicietum tetraspermae</i> as well as in the poor field communities, with the character species of <i>Aperion spicae</i>-<i>venti</i> and <i>Panico</i>-<i>Setarion</i>. Additionally, <i>Avena strigosa</i> was also found in the field communities of root crops belonging to <i>Panico</i>-<i>Setarion</i> alliance; however, it was present there just in small numbers.


Plant Ecology ◽  
2020 ◽  
Author(s):  
Kaitlyn E. Trepanier ◽  
Bradley D. Pinno ◽  
Ruth C. Errington

AbstractInformation on plant community assembly mechanisms is limited on forest reclamation sites after mining in the Canadian boreal forest. We assessed the change in plant community composition after Year 2 and Year 5 on species-rich forest floor mineral mix (FFMM) and species-poor peat mineral mix (PMM) reclamation soils by examining assembly mechanisms, i.e., seed bank, seed rain, biotic dispersal, vegetative expansion, and competition. Initial plant cover and diversity were greater on FFMM due to non-native species originating from the seed bank, which had 5× more seeds in the FFMM. By Year 5, both soil types had approximately 40% cover and 80 species richness due to the addition of wind and biotic-dispersed species and were characterized by a shift towards native species. Native forbs using vegetative reproduction expanded up to 2 m from FFMM into PMM. At Year 5 competition does not seem to have a large role in the structuring of the vegetation community. Overall, multiple factors were involved in structuring plant communities on reclamation sites, but we observed a general convergence between plant communities on different soil types in a relatively short period of time.


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