Results 21 to 30 of about 714,111 (312)

Ecological Niche Modelling and Potential Distribution of Artemisia sieberi in the Iranian Steppe Vegetation

open access: yesLand, 2022
Artemisia sieberi Besser occurs in many parts of the Irano-Turanian floristic region, which is mostly distributed throughout the Iranian plateau, especially in Iran.
Hamidreza Mirdavoudi   +6 more
doaj   +1 more source

A spatial scale assessment of habitat effects on arthropod communities of an oceanic island [PDF]

open access: yes, 2012
Copyright © 2009 Elsevier Masson SAS. All rights reserved.Most habitats in the Azores have undergone substantial land-use changes and anthropogenic disturbance during the last six centuries.
Aranda, Silvia C.   +5 more
core   +1 more source

A Fluoristric Study of the Protected Area of Kalmand Bahadoran, Yazd Province [PDF]

open access: yesتاکسونومی و بیوسیستماتیک, 2018
The current investigation concerns the flora of Bahadoran Kalmand protected region, 10 km southeastern of Mehriz, Yazd province. To this end, in the spring, summer and autumn of 2015, sampling was done from the area.
Ali Mirhosseini   +2 more
doaj   +1 more source

Linking forest management and biodiversity indicators to strengthen sustainable forest management in Europe

open access: yesEcological Indicators, 2021
The accelerating global rate of species extinctions and the inevitable human impacts on biodiversity have increased the need to conserve, restore and use ecosystems sustainably. Indicators for biodiversity are the most frequently used tool to monitor the
Janine Oettel, Katharina Lapin
doaj   +1 more source

Snow avalanche friction relation based on extended kinetic theory [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2016
Rheological models for granular materials play an important role in the numerical simulation of dry dense snow avalanches. This article describes the application of a physically based model from the field of kinetic theory to snow avalanche ...
M. Rauter   +4 more
doaj   +1 more source

Modeling of Nitrogen Dynamics in an Austrian Alpine Forest Ecosystem on Calcareous Soils: A Scenario-Based Risk Assessment under Changing Environmental Conditions

open access: yesThe Scientific World Journal, 2007
We modeled the behavior of an Austrian alpine forest ecosystem on calcareous soils under changing climate and atmospheric nitrogen deposition scenarios.
Friedl Herman   +9 more
doaj   +1 more source

Forage growth, yield and quality responses of Napier hybrid grass cultivars to three cutting intervals in the Himalayan foothills

open access: yesTropical Grasslands-Forrajes Tropicales, 2015
A 3 x 3 factorial study was conducted in the southern foothills of Bhutan to compare 3 cultivars of Napier hybrid grass (Pennisetum purpureum x P. glaucum: Pakchong-1, CO-3 and Giant Napier), at 3 cutting intervals (40, 60 and 80 days), in terms of ...
Kesang Wangchuk   +5 more
doaj   +1 more source

Wetland flora of Kermanshah Province, Iran

open access: yesیافته‌های نوین در علوم زیستی, 2021
Distribution of rivers, pools and grasslands, being large or small and perennial or temporary, have created conditions suitable for the establishment of wetlands, especially in the highland regions of the Country.
Masoumeh Khanhasani   +3 more
doaj  

Similar biodiversity of ectomycorrhizal fungi in set-aside plantations and ancient old-growth broadleaved forests [PDF]

open access: yes, 2015
Setting aside overmature planted forests is currently seen as an option for preserving species associated with old-growth forests, such as those with dispersal limitation. Few data exist, however, on the utility of set-aside plantations for this purpose,
Bidartondo, MI   +5 more
core   +1 more source

Machine learning for automated avalanche terrain exposure scale (ATES) classification [PDF]

open access: yesNatural Hazards and Earth System Sciences
Avalanche risk management is essential for backcountry safety. The Avalanche Terrain Exposure Scale (ATES) classifies mountain terrain based on its potential exposure to avalanche hazards and supports mountain visitors in their terrain assessment ...
K. Markov   +10 more
doaj   +1 more source

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