Results 21 to 30 of about 926,630 (201)

Effects of post-fire logging on forest surface air temperatures in the Siskiyou Mountains, Oregon, USA [PDF]

open access: yes, 2010
Following stand-replacing wildfire, post-fire (salvage) logging of fire-killed trees is a widely implemented management practice in many forest types. A common hypothesis is that removal of fire-killed trees increases surface temperatures due to loss of ...
Campbell, J.L.   +4 more
core   +2 more sources

Forest cover estimation in Ireland using radar remote sensing: a comparative analysis of forest cover assessment methodologies [PDF]

open access: yes, 2015
Quantification of spatial and temporal changes in forest cover is an essential component of forest monitoring programs. Due to its cloud free capability, Synthetic Aperture Radar (SAR) is an ideal source of information on forest dynamics in countries ...
Barrett, Brian   +5 more
core   +4 more sources

A study on the variation of morphological characteristics of silver fir (Abies alba Mill.) seeds and their internal structure determined by X-ray radiography in the Beskid Sądecki and Beskid Niski mountain ranges of the Carpathians (southern Poland)

open access: yesJournal of Forest Science, 2009
The variation of the morphological characteristics and internal structure of silver fir (Abies alba Mill.) seeds from 4 stands growing at the altitude of 625-750 m in the Beskid Sądecki and Beskid Niski mountain ranges of the Carpathians in southern ...
K. Skrzyszewska, J. Chłanda
doaj   +1 more source

Expression Analysis and Interaction Protein Screening of CoZTL in Camellia oleifera Abel

open access: yesHorticulturae, 2023
Camellia oleifera Abel., which produces fruits of high comprehensive utilization value, is an important woody oil tree in China. ZEITLUPE (ZTL) is a blue light receptor and clock component protein that is involved in various physiological and biochemical
Shuangshuang Ren   +5 more
doaj   +1 more source

Fragmentation of Random Trees [PDF]

open access: yes, 2014
We study fragmentation of a random recursive tree into a forest by repeated removal of nodes. The initial tree consists of N nodes and it is generated by sequential addition of nodes with each new node attaching to a randomly-selected existing node.
Ben-Naim, E., Kalay, Z.
core   +2 more sources

Soil Microbial Adaptation and Biogeochemical Feedback in Degraded Alpine Meadows of the Qinghai–Tibetan Plateau

open access: yesMicroorganisms
Alpine meadows on the Qinghai–Tibetan Plateau are experiencing rapid degradation due to climate change and anthropogenic disturbances, leading to severe ecological consequences.
Bingzhang Li   +5 more
doaj   +1 more source

Comparative Study on Pollen Viability of Camellia oleifera at Four Ploidy Levels

open access: yesAgronomy, 2022
Oil tea (Camellia oleifera Abel.) is one of the most important woody edible oil tree species in China, with intraspecific polyploid. In order to study the variation in pollen size and vigor of C. oleifera at ploidy level, four ploidy covers a total of 32
Rui Zhao   +5 more
doaj   +1 more source

Changes in Physical Properties of Fine - Textured Soils Occurred Within a Rotation Period of 21 Years in Pinus pirıaster (Aiton) Plantations Established by Mechanized Soil Preparation Methods

open access: yesForestist, 2007
This study \vas conducted to exam ine the changes in physical properties of soils prepared with different m ethods in Kerpe (Turkey), in 1978. The site preparation m ethods were: 1) strip soil preparation (0-60 cm) vvitlı rippers m ounted to D 85-A 12 ...
Ahmet Hızal   +2 more
doaj   +1 more source

Integrated Mitochondrial Genome and Transcriptomic Analyses Reveal Long Non-Coding RNAs Associated with Drought Tolerance in Sophora moorcroftiana

open access: yesBiology
Sophora moorcroftiana is a perennial deciduous dwarf shrub that exhibits remarkable ecological adaptability, including strong drought resistance on the Tibetan Plateau. In this study, the complete mitogenome of S. moorcroftiana was reported and assembled
Jun Xu   +5 more
doaj   +1 more source

Optimised Preparation and Formula of Deltamethrin Nanoemulsion for Enhanced Insecticidal Efficacy and Superior Biosafety

open access: yesAgriculture
Stable nanoemulsions with fine droplets reduce organic solvent use and improve the dispersion of hydrophobic pesticide. However, current studies on deltamethrin nanoemulsion lack systematic formula optimization, performance evaluation and biosafety ...
Bingzhang Li   +5 more
doaj   +1 more source

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