Results 21 to 30 of about 6,438,092 (299)

Mapping of intact forest landscapes in Sweden according to Global forest watch methodology [PDF]

open access: yes, 2002
Currently, most of the world’s forests are directly or indirectly affected by some kind of human activity. More people are getting concerned with the state of tropical forests.
Hájek, Filip
core   +1 more source

The Effect of Sanitation Felling on the Spread of the European Spruce Bark Beetle—An Individual-Based Modeling Approach

open access: yesFrontiers in Forests and Global Change, 2021
Sanitation felling is considered as the main measure to protect managed forests from damage due to outbreaks of the European Spruce Bark Beetle. In this study, we investigate the effectiveness of sanitation felling on stopping the spread of a bark beetle
Bruno Walter Pietzsch   +2 more
doaj   +1 more source

Accuracy and Precision of Stem Cross-Section Modeling in 3D Point Clouds from TLS and Caliper Measurements for Basal Area Estimation

open access: yesRemote Sensing, 2022
The utilization of terrestrial laser scanning (TLS) data for forest inventory purposes has increasingly gained recognition in the past two decades. Volume estimates from TLS data are usually derived from the integral of cross-section area estimates along
Sarah Witzmann   +7 more
doaj   +1 more source

CROGRO: An interactive forest growth simulator [PDF]

open access: yesSIMULATION, 1983
CROGRO is an interactive computer model that simulates crown growth in trees as they compete with each other for available space and light. The model contains growth data for six species of trees. CROGRO was designed to be used as a teaching aid. It allows forestry students to observe in a few minutes a process which, in the real world, occurs over ...
David M. Fellows   +2 more
openaire   +2 more sources

THE GROWTH OF FOREST TREE ROOTS

open access: yesAmerican Journal of Botany, 1916
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

Genomics of growth traits in forest trees [PDF]

open access: yesCurrent Opinion in Plant Biology, 2009
Growth traits in trees are fundamental components of adaptation in a forest ecosystem and of productivity in planted forests. A number of processes determine tree growth, which are controlled by genetic and epigenetic factors that respond dynamically to environmental signals throughout centuries.
EMBRAPA Genetic Resources and Biotechnology, CP 2372, Brasília 70770-970 DF, and Graduate Program in Genomic Sciences and Biotechnology, Universidade Católica de Brasília – SGAN 916 módulo B, Brasília 70790-160 DF, Brazil ( host institution )   +4 more
openaire   +4 more sources

Temporally resolved intra-annual wood density variations in European beech (Fagus sylvatica L.) as affected by climate and aspect

open access: yesAnnals of Forest Research, 2012
We investigated the temporal variability of intra-annual wood density variations in European beech (Fagus sylvatica L.) in a valley in southwestern Germany. Samples were collected from 11 beech trees growing at north-west (NW) and south-west (SW) exposed
Ernst van der Maaten   +2 more
doaj   +1 more source

Automatic tree crown segmentation using dense forest point clouds from Personal Laser Scanning (PLS)

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Among digital-based technologies to monitor forest ecosystems, personal laser scanning (PLS) has high potential to characterize even complex deciduous and rainforests.
Andreas Tockner   +4 more
doaj   +1 more source

Population growth and forest sustainability in Africa [PDF]

open access: yesInternational Journal of Green Economics, 2011
Recent distressing trends in climate change, population explosion and deforestation inspired this paper, which completes existing literature by providing empirical justification to hypothetical initiatives on the impact of population growth on forest sustainability in Africa.
Simplice A, Asongu, Brian A, Jingwa
openaire   +4 more sources

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

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