Results 61 to 70 of about 4,372 (166)

Ab-Initio Calculation of Molecular Aggregation Effects: a Coumarin-343 Case Study [PDF]

open access: yes, 2013
We present time-dependent density functional theory (TDDFT) calculations for single and dimerized Coumarin-343 molecules in order to investigate the quantum mechanical effects of chromophore aggregation in extended systems designed to function as a new ...
Agranovich V.   +71 more
core   +2 more sources

Woodland creation scheme in the Yorkshire Dales successfully focuses tree planting on soils with lower soil organic carbon stocks

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
Careful woodland design can avoid planting on high‐carbon soils. In the Yorkshire Dales, tree planting targeted lower SOC areas, showing new guidelines and standards help protect soil carbon in upland woodland creation. Abstract Tree planting is a key climate mitigation strategy, but afforestation on organo‐mineral soils may cause soil organic carbon ...
Francesca Darvill   +8 more
wiley   +1 more source

Deadwood in forest stands: assessment of wood basic density in some tree species, Trentino, Italy

open access: yesForest@, 2007
Given the importance of deadwood as temporary carbon storage, the present paper reports preliminary results on the application of a method to quantify carbon content of standing and lying deadwood in the forest.
Morelli S, Paletto A, Tosi V
doaj  

The „Rothenbuch concept of dead wood and habitat trees“ and its effects on the diversity of structures and biodiversity of beech-forests [PDF]

open access: yes, 2007
In einem ausgedehnten Laubwaldgebiet im Hochspessart (Nordwestbayern, Bezirk Unterfranken) wurde 2006 untersucht, ob sich alte Rot-Buchenbestände, die seit mehr als 15 Jahren nach dem „Rothenbucher Totholz- und Biotopbaumkonzept“ bewirtschaftet werden ...
Blaschke, Markus   +4 more
core  

Cheap and near exact CASSCF with large active spaces

open access: yes, 2017
We use the recently-developed Heat-bath Configuration Interaction (HCI) algorithm as an efficient active-space solver to perform multi-configuration self-consistent field calculations (HCISCF) with large active spaces.
Holmes, Adam A.   +3 more
core   +2 more sources

Stand structure attributes in potential Old-Growth Forests in the Apennines, Italy [PDF]

open access: yes, 2011
The aim of this paper is to provide early feedback on stand structure attributes in Italian Apennines forests that could be considered Old Growth Forests in the Mediterranean Eco-Region. Few data are nowadays available relating to this Region.
Calamini, Gianfranco   +10 more
core   +2 more sources

Timber and trails: Low‐intensity selective logging and elephant trails shape seedling dynamics in an Afrotropical forest

open access: yesEcological Applications, Volume 36, Issue 1, January 2026.
Abstract Very low‐intensity selective logging can be a compromise between strict conservation and income‐generating land use in tropical forests. Investigating how selective logging influences the understory environment and seedling dynamics as the forest regenerates offers insights into whether logging alters forest dynamics, influencing the ...
Megan K. Sullivan   +6 more
wiley   +1 more source

Contrasting effects of deadwood and gaps on the trophic structure of forest soil microarthropods

open access: yesFunctional Ecology, Volume 40, Issue 1, Page 150-162, January 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Understanding the mechanisms driving forest biodiversity is challenging, especially in soil. Trophic niche is the most important perspective to understand how biodiversity changes with disturbances.
Yan Zhang   +4 more
wiley   +1 more source

Kohlenstoff- und Nährelementspeicherung von Waldflächen des forstlichen Umweltmonitorings (BZE) in Rheinland-Pfalz [PDF]

open access: yes, 2014
Im Rahmen des vorliegenden Projektes wurde an 165 repräsentativ verteilten Standorten der Bodenzustandserhebung (BZE) in Rheinland-Pfalz Biomasse- und Elementvorräte für verschiedene Waldökosystemkompartimente abgeleitet.
Bielefeldt, Judith   +8 more
core   +2 more sources

Experimental enhancement of structural heterogeneity in forest landscapes promotes multidimensional hoverfly diversity

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our results provide the first experimental evidence that enhancing structural heterogeneity at the landscape scale can restore multidimensional hoverfly diversity in temperate forests. They underscore the management value of ESBC as a scalable tool to restore biodiversity, increase ecological resilience and counteract biotic homogenization in ...
Clàudia Massó Estaje   +8 more
wiley   +1 more source

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