Results 31 to 40 of about 370,736 (291)

Multivariate analysis for assessment of the tree populations based on dendrometric data with an example of similarity among Norway spruce subpopulations

open access: yesJournal of Forest Science, 2017
The new method for evaluation of tree populations presented here is based on a correlation analysis within a set of dendrometric variables. The correlation analysis is carried out for each population separately.
Karel MATĚJKA
doaj   +1 more source

Regeneration of black ash (Fraxinus nigra Marsh.) in hardwood swamps of the Great Lakes – St. Lawrence Forest Region

open access: yesThe Forestry Chronicle, 2021
An inductive, ordination-based approach was used to explore patterns in the microenvironment and natural regeneration of black ash across a range of representative stands in the central Ontario portion of the Great Lakes -St. Lawrence Forest Region (GLSL)
Amanda Springer, Jeffery P. Dech
doaj   +1 more source

State and development of phytocenoses on research plots in the Krkonoše Mts. forest stands

open access: yesJournal of Forest Science, 2010
The paper assesses the state and development of phytocenoses in beech, mixed and spruce stands on permanent research plots (PRP) 1-32 in the Krkonoše (Giant) Mts. in the years 1980-2005, i.e. during the air-pollution calamity and afterwards.
S. Vacek, K. Matějka
doaj   +1 more source

Quantitative Biofacies Analysis to Identify Relationships and Refine Controls on Paleosol Development, Prince Creek Formation, North Slope Alaska, USA

open access: yesGeosciences, 2021
Late Cretaceous coastal plain deposits of the Prince Creek Formation (PCF) offer a rare glimpse into an ancient, high-latitude, arctic greenhouse ecosystem for which there is no modern analog.
James R. Bonelli, Peter P. Flaig
doaj   +1 more source

Informed Geoheritage Conservation: Determinant Analysis Based on Bibliometric and Sustainability Indicators Using Ordination Techniques

open access: yesLand, 2021
Ordination methods are used in ecological multivariate statistics in order to reduce the number of dimensions and arrange individual variables along environmental variables.
Boglárka Németh   +2 more
doaj   +1 more source

The design co-ordination framework : key elements for effective product development [PDF]

open access: yes, 1996
This paper proposes a Design Co-ordination Framework (DCF) i.e. a concept for an ideal DC system with the abilities to support co-ordination of various complex aspects of product development.
Andreasean, M.M.   +4 more
core  

Large Ordinals

open access: yesAdvances in Mathematics, 1997
Let $j$ be an elementary embedding of $V_ $ into $V_ $ that is not the identity, and let $ $ be the critical point of $j$. Let $\Cal A$ be the closure of $\{j\}$ under the operation $a (b)$ of application, and let $ $ be the closure of $\{ \}$ under the operation $\min \{ : a( ) \ge b( )\}$.
openaire   +2 more sources

Evaluation of the Utility of Baseline Echocardiogram in Patients With Standard Risk Precursor B‐Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
Abstract Background A routine baseline echocardiogram is often obtained prior to anthracycline administration in children with cancer. The utility of baseline echocardiogram is unclear in patients with standard risk B‐cell acute lymphoblastic leukemia (SR B‐ALL) as their anthracycline cumulative dose is low.
Ziyad Alrajhi   +4 more
wiley   +1 more source

Grassland communities of Stol mountain (eastern Serbia ): Vegetation and environment al relationships [PDF]

open access: yesArchives of Biological Sciences, 2013
The systematic survey of grassland communities was performed on Mt. Stol (eastern Serbia). The main aims of the research were to: (1) determine grassland vegetation types of the researched area; (2) correlate the impacts of the soil and environmental ...
Aćić Svetlana   +6 more
doaj   +1 more source

Social Construction of the Sacrament of Orders

open access: yesReligions, 2021
All institutions are the product of human activity. This article will consider how the development of the Sacrament of Orders is embedded in the social construction of the church as an institution, with a leadership structure and a system of symbols and ...
Anthony J. Pogorelc
doaj   +1 more source

Home - About - Disclaimer - Privacy