Results 101 to 110 of about 986,193 (274)

The Beech Line in Northwestern Indiana [PDF]

open access: yes, 1952
An Indiana beech is without doubt one of the most sensitive indicators of decline in mesphytism in habitat. In the rugged areas of the state it marks the borders between moist northfacing slopes and more xeric south-facing slopes.
Keller, Carl O., Potzger, John E.
core   +1 more source

Changes in the silver fir forest vegetation 50 years after cessation of active management [PDF]

open access: yes, 2015
Knowledge of the vegetation and the monitoring of its changes in preserved areas is an essential part of effective conservation policy and management.
Kopeć, Dominik, Woziwoda, Beata
core   +4 more sources

Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent.
Jérôme Rohmer   +11 more
wiley   +1 more source

Scaling from single-point sap velocity measurements to stand transpiration in a multi-species deciduous forest: uncertainty sources, stand structure effect, and future scenarios impacts [PDF]

open access: yes, 2015
A major challenge in studies estimating stand water use in mixed-species forests is how to effectively scale data from individual trees to the stand.
Asbjornsen, Heidi   +3 more
core   +1 more source

Climate Change, Air Quality, and Pollen Allergies—State of the Art and Recommendations for Research and Public Health

open access: yesAllergy, EarlyView.
ABSTRACT Allergies are one of the major health challenges of our time, associated with a high individual burden of disease and high costs for the healthcare system. Given their prevalence, allergies are also highly relevant from a public health perspective. The development of allergic diseases is multifactorial. In addition to individual factors (e.g.,
Jobst Augustin   +13 more
wiley   +1 more source

Changes Caused by Heat Treatment in Color and Dimensional Stability of Beech (Fagus sylvatica L.) Wood

open access: yesDrvna Industrija, 2014
Thermal modification of wood permanently alters several of its chemical and physical properties. Beech wood is one of the most important hardwoods in Central and Eastern Europe and is extensively used in furniture production. In this study the effects of
Ioannis Barboutis
doaj   +1 more source

Improvement of seed germination of Fagus orientalis Lipsky [PDF]

open access: yes, 2003
This thesis was seeking two main approaches for improvement of seed germination of oriental beech, a timber producing species in Hyrcanian forests in northern Iran. Germination behavior of beechnuts was enhanced either by decreasing the dormancy breakage
Soltani, Ali
core  

Environmental change impacts on the C- and N-cycle of European forests: a model comparison study [Discussion paper] [PDF]

open access: yes, 2012
Forests are important components of the greenhouse gas balance of Europe. There is considerable uncertainty about how predicted changes to climate and nitrogen deposition will perturb the carbon and nitrogen cycles of European forests and thereby alter ...
Butterbach-Bahl, Klaus   +15 more
core   +1 more source

A CONTRIBUTION TO THE INVESTIGATION OF THE HOLOCENE HISTORY OF THE BEECH IN THE EASTERN NETHERLANDS [PDF]

open access: yesActa Botanica Neerlandica, 1964
To study the immigration and spreading of the beech (Fagus sylvatica L.) in the Netherlands during the young Holocene, three peat bogs were palynologically investigated in the eastern Netherlands and in the adjacent German area. For this purpose peat samples have been collected in the Korenburgerveen near Winterswijk, in a peat bog near Burlo (Germany)
openaire   +2 more sources

Living by the lake: Plant food diversity in a prehistoric lake‐dwelling community in the Republic of North Macedonia

open access: yesArchaeometry, EarlyView.
Abstract This paper explores the relationship between wetland ecosystems and prehistoric lakeshore settlements within the Lake Ohrid basin (a biodiversity hotspot) by considering plant food systems at Ploča Mičov Grad, North Macedonia. The mid‐fifth millennium (c.4555–4373 to 4437–4241 cal BCE) waterlogged assemblage contained a diverse spectrum of ...
Amy Holguin   +14 more
wiley   +1 more source

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