Tree regeneration responds more to shade casting by the overstorey and competition in the understorey than to abundance per se [PDF]
Manipulating the overstorey is the key tool for forest managers to steer natural regeneration. Opening up the canopy does not only create favourable light conditions for tree seedling growth, but also for (competitive) understorey species.
Baeten, Lander +3 more
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Aspects of the Feeding Behavior of \u3ci\u3eScolytus Multistriatus\u3c/i\u3e (Marsham) (Scoltytidae: Coleoptera) and Implications for Control [PDF]
(excerpt) Successful protection of elm trees can only be accomplished by means of thorough understanding of the feeding behavior of the smaller European elm bark beetle, Scolytus multistriatus (Marsham). Wolfenbarger and Buchanan (1939) and Whitten (1958)
Butcher, J. W, Riedl, H
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Impact of river management history on the community structure, species composition and nutrient status in the Rhine alluvial hardwood forest [PDF]
The present-day Rhine alluvial hardwood forest (Querco-Ulmetum minoris, Issler 24) in the upper Rhine valley (France/Germany) is comprised of three vegetation units, one still flooded by calm waters (F) and the two others unflooded, one for 30 years ...
Trémolières, Michèle +3 more
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Pest categorisation of Saperda tridentata
The EFSA Panel on Plant Health (PLHP) performed a pest categorisation of Saperda tridentata (Coleoptera: Cerambycidae) for the EU. S. tridentata (elm borer) occurs in eastern North America. Ulmus americana and U.
EFSA Panel on Plant Health (PLH) +21 more
doaj +1 more source
Annotated List of Indiana Scolytidae (Coleoptera) [PDF]
A list of 80 species of Indiana Scolytidae (bark and ambrosia beetles) is presented.
Deyrup, Mark
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The complete chloroplast genome sequence of Ulmus parvifolia (Ulmaceae)
Ulmus parvifolia Jacq is a kind of landscape tree endemic to East Asia. In this study, the complete chloroplast genome of U. parvifolia was sequenced. The genome was 159,259 bp in length, with a large single-copy (LSC) region of 88,451 bp, a small single-
Manyu Li +4 more
doaj +1 more source
The relict population Ulmus glabra Huds. in Pokuttya Carpathian Mountains
In the area of Kosów forestry in the Pokuttya Carpathians, a population of Ulmus glabra with 15 trees, about 100 years old, was found, which survived the epidemic of "Dutch disease" in the last century.
Petro Plichtyak +3 more
doaj +1 more source
Decoupling climate and human impacts on the nitrogen cycle during the Irish Bronze Age
ABSTRACT Disentangling climate variability and human activity in past nitrogen cycling is key to understanding ecosystems. Previous studies in Ireland observed a widespread, permanent shift in terrestrial nitrogen cycling during Later Prehistory, potentially linked to intensifying land‐use.
Sarah Ferrandin +2 more
wiley +1 more source
The complete chloroplast genome of Ulmus parvifolia, an important landscaping tree
Ulmus parvifolia is a promising tree species for landscaping. In this study, the complete genome of U. parvifolia was reported using next-generation sequencing technology. The chloroplast genome was a circular double-stranded DNA molecule with 159,182 bp
Yunzhou Lyu +3 more
doaj +1 more source
Resurvey of the Pentatomoidea (Heteroptera) of the La Rue-Pine Hills Research Natural Area in Union County, Illinois [PDF]
A resurvey of the Pentatomoidea of the La Rue-Pine Hills Research Natural Area was conducted from September 1992 to June 1995 and the results compared with those of an earlier survey by McPherson and Mohlenbrock (1976).
McPherson, J. E, Tecic, D. L
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