Results 21 to 30 of about 42,699 (178)

Long-term effects of plant spacing on the growth and morphometry of Bertholletia excelsa

open access: yesActa Amazonica, 2021
Plant spacing is a potential driver of tree form and yield in forest plantations. However, its effects on the productivity of tree plantations in the Amazon are still little known. This study examined the effects of six spacing regimes (3 x 4, 4 x 4, 4 x
Rafael Gonçalves de OLIVEIRA   +4 more
doaj   +1 more source

PENERAPAN MULTISISTEM SILVIKULTUR PADA UNIT PENGELOLAAN HUTAN PRODUKSI : TINJAUAN ASPEK EKOLOGI

open access: yesJournal of Natural Resources and Environmental Management, 2011
Forest is a renewable resources having various benefits including products, environmental services and beautifulness of landscape. Therefore, forest must be managed using sustainable based principle to produce sustainably the maximum benefit.
Cecep Kusmana
doaj   +1 more source

Silviculture in African moist forests : do we have new answers to old questions? [PDF]

open access: yes, 2011
The silviculture of African tropical moist forests has a long history punctuated with (few) successes and (many) failures. The European foresters in charge of managing forests in the African colonies realized early - e.g. 1900 in Nigeria - that they were
Bertault, Jean-Guy   +8 more
core  

Polymerase Chain Reaction. Perturbation Theory and Machine Learning Artificial Intelligence‐Experimental Microbiome Analysis: Applications to Ancient DNA and Tree Soil Metagenomics Cases of Study

open access: yesAdvanced Intelligent Systems, EarlyView.
The polymerase chain reaction (PCR).Perturbation Theory and Machine Learning framework integrates perturbation theory and machine learning to classify genetic sequences, distinguishing ancient DNA from modern controls and predicting tree health from soil metagenomic data.
Jose L. Rodriguez   +19 more
wiley   +1 more source

Ceropegia andhrica (Apocynaceae), a new species from Andhra Pradesh, India

open access: yesNordic Journal of Botany, EarlyView.
A new hysteranthous species of Ceropegia, C. andhrica P.Chiranjeevi, K.Prasad & V.Nagaraju sp. nov. (Apocynaceae), is described from the Paderu forest division, Alluri Sitharamaraju District, Andhra Pradesh, India. It morphologically resembles Ceropegia vemanae and C.
Pabbathi Chiranjeevi   +5 more
wiley   +1 more source

Lectio magistralis by prof. Orazio Ciancio held for his 80th birthday

open access: yesForest@, 2015
On december 3rd, 2015 the 80th birthday of prof. Orazio Ciancio has been celebrated at the Italian Academy of Forest Sciences in Florence (Italy) by a meeting organized by the proponents of the “Manifesto of the systemic silviculture”.
Iovino F
doaj   +1 more source

Aspects of precommercial thinning in heterogeneous forests in southern Sweden [PDF]

open access: yes, 2005
The overall objective of the work underlying this thesis was to suggest and evaluate possible strategies for the tending of young heterogeneous stands of Norway spruce, Scots pine and birch in southern Sweden.
Fahlvik, Nils
core  

The effect of light availability and spatio‐temporal heterogeneity on the soil seed bank diversity in temperate forests

open access: yesOikos, EarlyView.
Light is a key driver of understory plant diversity, also important for seed germination, yet its effect on forests soil seed bank diversity remains underexplored. This study assessed the impact of both light availability and spatio‐temporal heterogeneity on soil seed bank diversity.
Barbara Meyers   +3 more
wiley   +1 more source

Engaging the public in plant science: Communication facilitators and barriers of scaling up a citizen science campaign

open access: yesPeople and Nature, EarlyView.
Abstract Volunteers have been involved in nature observations for decades through citizen science initiatives, providing large data sets as well as problem identification that allow a more complete understanding of many natural phenomena. Although communication is a core component in citizen science, the key factors that determine its effectiveness in ...
Kristiina Gibson   +18 more
wiley   +1 more source

Evaluation of different silvicultural management techniques and water seasonality on yield of eucalyptus stands

open access: yesScientia Agricola, 2021
: Appropriate management of factors that influence forest development is essential to increase yield of forest plantations. The objective of this study was to evaluate the influence of water seasonality, nutritional management, and uniformity on yield of
Laís Graziele Silva   +3 more
doaj   +1 more source

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