Results 81 to 90 of about 432,151 (208)

Variations in Cu, Co, Cr, Cd, and Pb Concentrations Based on Soil Depth, Plant Species, and Plant Organs at Copper Mining Sites

open access: yesBioResources
Variations in Cu, Co, Cr, Cd, and Pb concentrations were evaluated in soil and plant organs at a copper mining site. Soil and plant samples (leaf, bark, wood, and root) were taken from different soil depths in the spoil area, the rehabilitation area ...
Hüseyin Ali Ergül   +1 more
doaj  

Effects of urban tree pruning on ecosystem services performance

open access: yesTrees, Forests and People
Pruning represents the main tree care activity in cities, where it is carried out to reduce wind-break risk, to ensure road visibility, to reduce infrastructure interactions and damages, and last but not least, for aesthetic reasons.
Desirée Muscas   +5 more
doaj   +1 more source

ISPARTA YÖRESİ ANADOLU KARAÇAMI [Pinus nigra Arnold subsp. pallasiana (Lamb.) Holmboe] MEŞCERELERİNDE BÜYÜME ÖZELLİKLERİ

open access: yes, 2019
Özet: Bu çalışmada, Isparta yöresindeki doğal Anadolu karaçamı [Pinus nigra Arnold subsp. pallasiana (Lamb.) Holmboe] meşcereleri için hacim, ağaç sayısı, göğüs yüzeyi, orta çap ve orta boy gibi meşcere özelliklerinin, meşcere yaşı, bonitet ve sıklık ...
CARUS, Serdar, ÇATAL, Yılmaz
core   +1 more source

Pattern and magnitude of genetic diversity in Pinus nigra ARNOLD subspecies pallasiana populations from Kazdagi: Implications for in situ conservation

open access: yes, 2000
To determine the genetic structure of black pine (Pinus nigra ARNOLD subspecies pallasiana), populations sampled from Kazdag (Eybekli, Asar, Katrandag, Kalklm, Gurgendag, Kapidag, Mihlidere). Isozymes from 16 enzyme systems were investigated from haploid
Kaya, Zeki   +3 more
core   +1 more source

Kloroplast genomundaki kodlanmayan trn bölgelerinin karşılaştırılması yapılarak pinus nigra arnold alt tür pallasiana varyetelerinin filogenetik analizi.

open access: yes, 2009
More than half of the Pinaceae is including in genus Pinus covers the large parts of vegetation of northern hemisphere. The Anatolian Black Pine is one of the subspecies of European Black Pine, growing naturally as a widespread mid elevation species of ...
Güvendiren Gülsoy, Aysun Demet
core  

Cadena de valor en la actividad porcina en el valle inferior del Río Negro [PDF]

open access: yes
Los propósitos primordiales de este trabajo consistieron en describir el contexto internacional, nacional y regional, identificar los actores y sus principales interacciones, llevar a cabo un análisis de las fortalezas, oportunidades, debilidades y ...
Villegas Nigra, Héctor Mario   +1 more
core  

Tree rings and fire in an Iberian stand of Pinus nigra subsp. salzmannii. [PDF]

open access: yes, 2008
Detección de los efectos del fuego en el crecimiento de Pinus nigra ...
Garcia Calvo, David   +3 more
core  

Pinus nigra var. nigra

open access: yes
Family name (scientific): Pinaceae Scientific name: Pinus nigra var.

core  

Cadena de valor de la actividad pecuaria en el departamento Valcheta (Río Negro) [PDF]

open access: yes
El propósito fundamental de este trabajo fue analizar el funcionamiento de la cadena de valor pecuaria, caracterizar algunos aspectos de su entorno, identificar sus actores y presentar sus principales fortalezas y debilidades. En esta oportunidad se hizo
Villegas Nigra, Héctor Mario   +1 more
core  

Los cultivos transgénicos, ¿oportunidad o amenaza?

open access: yes
El capítulo presenta la situación actual y perspectivas de los cultivos transgénicos, identificando las principales oportunidades y amenazas que los mismos representan, para el sector agropecuario y la sociedad en su conjunto.Fil: Villegas Nigra, Héctor ...
Villegas Nigra, Héctor Mario
core  

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