Results 41 to 50 of about 187,168 (214)

Assessing the effectiveness of mangrove rehabilitation using above-ground biomass and structural diversity

open access: yesScientific Reports
Understanding the carbon sequestration potential of undisturbed and rehabilitated mangrove ecosystems is crucial for mitigating the effects of climate change.
Asamaporn Sitthi   +3 more
doaj   +1 more source

Common ash (Fraxinus excelsior L.) in Ukrainian forests and its successful natural regeneration

open access: yesMetsanduslikud Uurimused, 2021
The natural distribution area of common ash (Fraxinus excelsior L.) in the forests of Europe and Ukraine has been determined through the analysis of scientific works of Ukrainian and foreign researchers.
Tkach Viktor   +6 more
doaj   +1 more source

How close to nature is close-to-nature pine silviculture?

open access: yesJournal of Forest Science, 2016
Structural parameters of Scots pine stands (129-191 years) on their natural sites (270-600 m a.s.l.) are described on 6 permanent research plots (PRP; 3 in managed stands using near-natural silvicultural practices and 3 in stands without active forest ...
L. Bílek   +6 more
doaj   +1 more source

Genetic analysis of Latvian Salix alba L. and hybrid populations using nuclear and chloroplast DNA markers

open access: yesiForest - Biogeosciences and Forestry, 2017
Latvia is at the northern border of the species range of S. alba L. in Europe, and there has been some debate whether the Latvian populations of S. alba are autochthonous, as this species has long been planted in Latvia as an ornamental tree in gardens ...
Rungis D   +6 more
doaj   +1 more source

Spatially explicit structure of natural stands dominated by black spruce

open access: yesSilva Fennica, 2013
Black spruce [ (Mill.) BSP] regeneration emerges in clusters near the pre-existing boles within a few years after the passage of fire. This paper tested the hypothesis that black spruce forests still maintain the spatial structure deriving from postfire ...
Rossi, Sergio   +3 more
doaj   +1 more source

The Procedural Nature of Moral Standing

open access: yesLegal Theory
AbstractNorms of standing are puzzling. Your friend asks you for a favor. In the past, that same friend has failed to grant you similar requests. It seems that under such conditions, you are allowed to disregard your friend’s request as a reason for granting it, on the grounds that he lacked standing to make the request.
Ori J Herstein, Ofer Malcai
openaire   +1 more source

EFFECTIVENESS OF AGRICULTURAL DEVELOPMENT PROGRAMME COMMUNICATION METHODS ON BROILER PRODUCTION TECHNOLOGY ADOPTION AMONG FARMERS IN ANAMBRA STATE, NIGERIA [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2019
Pines stands from outside their areal were created from 1972 in field and plain areas with the purpose of substituting degraded stands (oaks) or derived ones (linden, hornbeam).
Eucharia Ogochukwu CHUKWUDUM
doaj  

A forest simulation approach using weighted Voronoi diagrams. An application to Mediterranean fir Abies pinsapo Boiss stands

open access: yesForest Systems, 2016
Aim of study: a) To present a new version of the forest simulator Vorest, an individual-based spatially explicit model that uses weighted Voronoi diagrams to simulate the natural dynamics of forest stands with closed canopies.
Begoña Abellanas   +4 more
doaj   +1 more source

Studies on the communities of soil fungi in selected mountain stands in southern Poland

open access: yesActa Mycologica, 2014
In the paper results are presented of a study on isolated fungi from the soil, rhizosphere, roots and mycorrhiza of fir natural regeneration in selected stands of the Carpathian and Sudety Mts. A comparison was made of the fungal communities in stands
Stefan Kowalski
doaj   +1 more source

Soil conditions of black walnut (Juglans nigra L.) stands in the alluvium of the Svratka and Jihlava rivers

open access: yesJournal of Forest Science, 2002
Physical, chemical and microbiological properties of soils were studied in black walnut (Juglans nigra L.) stands and compared with those in stands of natural species composition, in mixed stands of black walnut with linden and in pure oak stands.
M. Hřib   +3 more
doaj   +1 more source

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