Results 41 to 50 of about 213,964 (205)

Prunus serotina unleashed: invader dominance after 70 years of forest development [PDF]

open access: yes, 2009
Propagule pressure and disturbance have both been found to facilitate invasion. Therefore, knowledge on the history of introduction and disturbance is vital for understanding an invasion process, and research should focus on areas in which the invasive ...
Baeten, L.   +6 more
core   +3 more sources

Influence of topography and moisture and nutrient availability on green alder function on the low arctic tundra, NT [PDF]

open access: yes, 2017
The Arctic has warmed by at least 3°C over the past 50 years and this rapid warming is expected to continue. Climate warming is driving the proliferation of shrubs across the tundra biome with implications for energy balance, climate, hydrology, nutrient
Baltzer, Jennifer Lynn, Dr.   +1 more
core   +1 more source

Reindeer grazing increases summer albedo by reducing shrub abundance in Arctic tundra

open access: yesEnvironmental Research Letters, 2016
Previous studies have shown that climate warming is causing shrub cover to increase at high latitudes. Increased shrub cover generally lowers surface albedo, which results in higher energy absorption and further warming.
Mariska te Beest   +3 more
doaj   +1 more source

Solar Radiation Transfer Through a Subarctic Shrub Canopy [PDF]

open access: yes, 2007
Much of the low Arctic is covered with shrubs that are partially buried by snow in winter and become exposed during melt. This study presents measurements and modeling of shortwave radiation reflection and extinction by a deciduous shrub canopy emerging ...
Bewley, D.   +2 more
core   +2 more sources

Insights about the deleterious impact of a carbamate pesticide on some metabolic immune and antioxidant functions and a focus on the protective ability of a Saharan shrub and its anti-edematous property

open access: yesOpen Chemistry
In the Algerian desert, individuals often enjoy a soothing cup of herbal tea made from Ephedra alata Decne before bedtime; this aids in their relaxation.
Khattabi Latifa   +10 more
doaj   +1 more source

Avian Diversity and Habitat Preferences in Scrubland Ecosystems of the Eastern Ghats of Southern Odisha, India

open access: yesLand
Birds, potential pollinators and bio-indicators of ecosystem health, are important components of the global ecosystems. Habitat degradation and anthropogenic disturbance have influenced their survival.
Gayatri Mahanta   +2 more
doaj   +1 more source

Mapping and Monitoring Fractional Woody Vegetation Cover in the Arid Savannas of Namibia Using LiDAR Training Data, Machine Learning, and ALOS PALSAR Data

open access: yesRemote Sensing, 2019
Namibia is a very arid country, which has experienced significant bush encroachment and associated decreased livestock productivity. Therefore, it is essential to monitor bush encroachment and widespread debushing activities, including selective bush ...
Konrad Wessels   +5 more
doaj   +1 more source

Forage Resources in Livestock-Cropping Smallholder Systems. a Case Study of Farmers at Transmigration Areas of Dompu, West Nusa Tenggara [PDF]

open access: yes, 2008
A study aimed to identify the farmer practice in providing feed for their Bali cattle was undertaken at Satuan Pemukiman A (SPA) sub-village, Manggalewa sub district, Dompu, West Nusa Tenggara, a region of highly variable rainfall patterns and lengthy ...
Sutaryono, Y. A. (Y)
core   +1 more source

A preliminary field trial to compare control techniques for invasive Berberis aquifolium in Belgian coastal dunes [PDF]

open access: yes, 2019
Non-native Berberis aquifolium is an invasive species in Belgian coastal dunes. With its strong clonal growth through suckers, this evergreen shrub outcompetes native species and affects dune succession.
Adriaens, Tim   +7 more
core   +3 more sources

Growth rings show limited evidence for ungulates’ potential to suppress shrubs across the Arctic

open access: yesEnvironmental Research Letters, 2022
Global warming has pronounced effects on tundra vegetation, and rising mean temperatures increase plant growth potential across the Arctic biome. Herbivores may counteract the warming impacts by reducing plant growth, but the strength of this effect may ...
Katariina E M Vuorinen   +40 more
doaj   +1 more source

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