Tree effects on grass growth in savannas: competition, facilitation and the stress‐gradient hypothesis

J Dohn, F Dembélé, M Karembé… - Journal of …, 2013 - Wiley Online Library
The stress‐gradient hypothesis (SGH) predicts an increasing importance of facilitative
mechanisms relative to competition along gradients of increasing environmental stress …

Changes in soil properties and vegetation following livestock grazing exclusion in degraded arid environments of South Tunisia

K Jeddi, M Chaieb - Flora-Morphology, Distribution, Functional Ecology of …, 2010 - Elsevier
In this study, characteristics of vegetation and soil properties under continued grazing and
exclusion of livestock for 6 and 12 years were examined in a degraded Stipa tenacissima …

[HTML][HTML] Effects of open grazing and livestock exclusion on floristic composition and diversity in natural ecosystem of Western Saudi Arabia

SL Al-Rowaily, MI El-Bana, DA Al-Bakre… - Saudi journal of …, 2015 - Elsevier
Livestock grazing is one of the main causes of rangeland degradation in Saudi Arabia.
Fencing to exclude grazers is one of the main management practices used to restore …

Short-term grazing exclusion from heavy livestock rangelands affects vegetation cover and soil properties in natural ecosystems of southeastern Iran

M Ebrahimi, H Khosravi, M Rigi - Ecological engineering, 2016 - Elsevier
Grazing exclusion is an effective rangeland management practice used to achieve
sustainability of natural ecosystems worldwide. To clarify the effects of short-term grazing …

Grazing exclusion effect on soil and vegetation properties in Imam Kandi Rangelands, Iran

M Mofidi, M Jafari, A Tavili, M Rashtbari… - Arid Land Research …, 2013 - Taylor & Francis
Most of the rangeland of Urmia in Iran is degraded and will require considerable reclamation
to achieve a desirable state. The aim of this study was to evaluate the effects of 14 years of …

Limitations to the use of facilitation as a restoration tool in arid grazed savanna: a case study

Z Noumi, M Chaieb, R Michalet… - Applied Vegetation …, 2015 - Wiley Online Library
Question There is increasing interest in using facilitation by nurse plants for restoring dry
degraded ecosystems. However, most studies concern semi‐arid areas, and the efficiency …

Genetic diversity, stress tolerance and phytobeneficial potential in rhizobacteria of Vachellia tortilis subsp. raddiana

M Hnini, J Aurag - Environmental Microbiome, 2024 - Springer
Background Soil bacteria often form close associations with their host plants, particularly
within the root compartment, playing a significant role in plant growth and stress resilience …

Acceptability of plant species along grazing gradients around watering points in Tunisian arid zone

M Tarhouni, FB Salem, AO Belgacem… - … , Functional Ecology of …, 2010 - Elsevier
Water points provide excellent sites for studying overgrazing effects on plant communities in
dry areas. Distance from water can be considered like a surrogate of grazing pressure being …

The influence of trees on nutrients, water, light availability and understorey vegetation in an arid environment

F Abdallah, M Chaieb - Applied Vegetation Science, 2012 - Wiley Online Library
Abstract Questions Do Acacia tortilis trees facilitate herbaceous species development under
arid conditions? Do tree–herb interactions change with water stress and grazing intensity …

In vitro fermentation, digestibility and methane production of tropical perennial grass species

BS Gemeda, A Hassen - Crop and Pasture Science, 2014 - CSIRO Publishing
This study characterised 16 tropical perennial grass species in terms of in vitro methane
output and related their digestibility and rumen fermentation with methane output. The grass …