MLO-Associated Decline of Alnus glutinosa, Populus tremula and Crataegus monogyna

1988 ◽  
Vol 121 (1) ◽  
pp. 33-39 ◽  
Author(s):  
E. Seemüller ◽  
W. Lederer
Keyword(s):  
Alnus Glutinosa ◽  
Populus Tremula ◽  
Crataegus Monogyna

scholarly journals Lateglacial and Holocene floras and faunas from the Salpetermosen area, north-east Sjælland, Denmark

2020 ◽  
Vol 68 ◽  
pp. 231-244
Author(s):  
Ole Bennike ◽  
Pernille Pantmann ◽  
Esben Aarsleff
Keyword(s):  
Alnus Glutinosa ◽  
Betula Pubescens ◽  
Populus Tremula ◽  
Betula Nana ◽  
Najas Marina ◽  
North East ◽  
Glacier Ice ◽  
Dwarf Birch ◽  
Scheuchzeria Palustris ◽  
Oenanthe Aquatica

The Salpetermosen area in north-east Sjælland, Denmark, was deglaciated about 18 000 to 17 000 years ago. Melting of bodies of stagnant glacier ice led to the for-mation of kettle holes, which contain Lateglacial and Holocene sediments with remains of plants and animals that provide information on the past flora and fauna of the area. During the Allerød period, open forests with Betula pubescens (downy birch) characterised the area, the flora included light-demanding species such as Arctostaphylos uva-ursi (bearberry), Empetrum nigrum (crowberry) and rare Populus tremula (aspen), Betula nana (dwarf birch) and Rubus saxatilis (stone bramble), as well as the thermophilous swamp plant Oenanthe aquatica (fine-leaved water dropwort). During the Younger Dryas, the vegetation was characterised by dwarf-shrub heaths dominated by Betula nana, but including Dryas octopetala (mountain avens), Salix herbacea (least willow), Arctostaphylos alpina (alpine bearberry,) and rare Betula pube-scens, as well as the thermophilous plants Urtica dioeca (stinging nettle) and Lychnis flos-cuculi (ragged robin). The Early Holocene forests were dominated by Betula pubescens, Populus tremula and Pinus sylvestris (scots pine), but included rare Betula nana. Alnus glutinosa (alder) arrived at c. 10 000 cal. years BP. The calciphilous sedge Cladium mariscus (fen-sedge) and the macrolimnophyte Najas marina (spiny naiad) were common. The Late Holocene flora included the acidophilous plant Scheuchzeria palustris (rannoch-rush).

scholarly journals Elevated atmospheric CO2 and humidity delay leaf fall in Betula pendula, but not in Alnus glutinosa or Populus tremula × tremuloides

2014 ◽  
Vol 71 (8) ◽  
pp. 831-842 ◽  
Author(s):  
Douglas Godbold ◽  
Arvo Tullus ◽  
Priit Kupper ◽  
Jaak Sõber ◽  
Ivika Ostonen ◽  
...  
Keyword(s):  
Betula Pendula ◽  
Alnus Glutinosa ◽  
Populus Tremula ◽  
Atmospheric Co2 ◽  
Leaf Fall ◽  
Elevated Atmospheric Co2

Monitoring natural stand change in the forest reserve of Liedekerke, Flanders (Belgium)

1999 ◽  
Vol 64 ◽  
Author(s):  
D. Van den Meersschaut ◽  
B. De Cuyper ◽  
K. Vandekerkhove ◽  
N. Lust
Keyword(s):  
Species Composition ◽  
Castanea Sativa ◽  
Basal Area ◽  
Alnus Glutinosa ◽  
Indigenous Species ◽  
Stem Number ◽  
Mature Trees ◽  
Forest Reserve ◽  
Natural Stand ◽  
Sweet Chestnut

Natural  stand changes in the forest reserve of Liedekerke were analysed during the  period    1986-1996, using a permanent grid of circular plots. The monitoring  concentrated on natural    changes in species composition, using stem number and basal area as  indicators, and changes    in spatial distribution and colonization capacities of trees and shrubs,  with special interest in the    competition between exotic and indigenous species. After only a decade of  monitoring important    natural changes in the woody layer were detected. The pioneer forest is  gradually maturing    through self-thinning processes and shifts in species composition. The  overall stem number    decreased with 33.6%, while the basal area increased with 20.9%. Birch (Betula pendula/    pubescens) and indigenous oak (Quercus robur/petraea) remained  dominant. More tolerant    exotic species, like red oak (Quercus rubra) and sweet chestnut (Castanea  sativa), are slowly    increasing their share in the species composition and expanding their  range. Pioneer species on    the other hand, like aspen (Populus tremula), willow (Salix  capreaicinerealaurita), alder buckthorn    (Frangula alnus) and  common (Alnus glutinosa)  and grey alder (A. incana),  strongly declined.    Black cherry (Prunus serotina) seems to be slowly invading the forest due to its  massive    natural regeneration. Strong competition may be expected especially from  rowan ash (Sorbus    aucuparia), which showed similar regeneration  and colonization capacities. Elder (Sambucus    nigra) dramatically extented its range, though  its share remains marginal. Beech remained absent    most probably due to the lack of mature trees in the vacinity of the  forest. Finally this    change detection allowed that general predictions could be made on the  future natural development    and composition of this forest reserve, which could serve forest management  decisions.

Carbon and Nitrogen Isotope Composition of the Wood of Pinus sylvestris, Betula pendula and Populus tremula

2020 ◽  
Vol 54 (8) ◽  
pp. 819-824
Author(s):  
P. Yu. Voronin ◽  
V. A. Mukhin ◽  
T. A. Velivetskaya ◽  
A. V. Ignatiev ◽  
Vl. V. Kuznetsov
Keyword(s):  
Pinus Sylvestris ◽  
Betula Pendula ◽  
Isotope Composition ◽  
Nitrogen Isotope ◽  
Populus Tremula ◽  
Carbon And Nitrogen ◽  
Nitrogen Isotope Composition

scholarly journals Effectiveness of the flame retardant antiseptic properties from plant waste against fungi on alnus glutinosa

2019 ◽  
Vol 525 ◽  
pp. 012102
Author(s):  
A P Glinushkin ◽  
E M Motasova ◽  
T P Aysuvakova ◽  
A V Ovsiankina ◽  
N S Zhemchuzhina ◽  
...  
Keyword(s):  
Flame Retardant ◽  
Alnus Glutinosa ◽  
Plant Waste

ASSIMILATION OF NITROGEN IN ROOT NODULES OF ALDER (ALNUS GLUTINOSA)

1981 ◽  
Vol 89 (2) ◽  
pp. 321-326 ◽  
Author(s):  
JAN BLOM ◽  
WIM ROELOFSEN ◽  
ANTOON D. L. AKKERMANS
Keyword(s):  
Root Nodules ◽  
Alnus Glutinosa
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