Results 21 to 30 of about 72,664 (281)

Opportunities and Constraints in Characterizing Landscape Distribution of an Invasive Grass from Very High Resolution Multi-Spectral Imagery

open access: yesFrontiers in Plant Science, 2017
Understanding spatial distributions of invasive plant species at early infestation stages is critical for assessing the dynamics and underlying factors of invasions.
Iryna Dronova   +2 more
doaj   +1 more source

Consistent microbial and nutrient resource island patterns during monsoon rain in a Chihuahuan Desert bajada shrubland

open access: yesEcosphere, 2023
In dryland soils, spatiotemporal variation in surface soils (0–10 cm) plays an important role in the function of the “critical zone” that extends from canopy to groundwater.
Anthony Darrouzet‐Nardi   +6 more
doaj   +1 more source

Determination of botanical composition of a Natural Rangeland in Tokmacık village, Yalvaç-Isparta

open access: yesTurkish Journal of Forestry, 2021
This research was carried out on a natural rangeland area with an average elevation of 1223 meters, located within the borders of Tokmacık village in Yalvaç district of Isparta province. In the study carried out in the vegetation period of 2019, the area
Ahmet Alper Babalık, Okan Kılınç
doaj   +1 more source

Veld restoration strategies in South African semi-arid rangelands. Are there any successes?—A review

open access: yesFrontiers in Environmental Science, 2022
Rangeland deterioration is a major challenge faced especially by communal farmers in most of the developing countries including South Africa. The high population of people and livestock exert pressure on the rangeland leading to deterioration which ...
Humbelani Silas Mudau   +10 more
doaj   +1 more source

The challenges of rehabilitating denuded patches of a semi-arid environment in Kenya [PDF]

open access: yes, 2010
Land degradation is a major problem in the semi-arid environments of Sub-Saharan Africa. Fighting land degradation is essential to ensure the sustainable and long-term productivity of the habited semiarid lands.
Clavel, D.   +10 more
core   +4 more sources

Testing the orthodoxies of land degradation policy in Swaziland [PDF]

open access: yes, 2009
This paper explores Swaziland's National Action Programme (NAP) to combat desertification; the country's main strategy for implementing the United Nations Convention to Combat Desertification (UNCCD).
Stringer, L.C.
core   +1 more source

Change in yield and botanical composition with different altitudes of natural rangeland: Turkey, Siirt province Central district Doluharman village rangeland

open access: yesTurkish Journal of Forestry, 2022
In this study, it was aimed to determine the effect of altitude differences on vegetation composition and productivity in rangeland under semi-arid climate conditions.
Sefa Süleyman Taşdelen   +1 more
doaj   +1 more source

The Seroprevalence of Chlamydia abortus in Montana Domestic Rangeland Sheep Varies by Breed, Flock and Herding Practices. [PDF]

open access: yesVet Med Sci
Ovine enzootic abortion, caused by Chlamydia abortus, leads to significant reproductive losses in sheep. This study found 12.6% of 781 sheep in Montana tested positive for antibodies with differences by breed, flock and herding status. ABSTRACT Background Ovine enzootic abortion (OEA) is a reproductive disease in domestic sheep characterized by late ...
Simmons AJ   +4 more
europepmc   +2 more sources

The Impact of Political Instability on Sustainable Rangeland Management: A Study of Borana Rangeland, Southern Ethiopia

open access: yesAgriculture, 2021
Political instability (PI) occurs between governments and other political elites either at the local, regional, and/or national levels. Planning, implementing, and monitoring of sustainable rangeland management strategies have a significant impact on the
Yeneayehu Fenetahun   +4 more
doaj   +1 more source

Assessing Herbivore Foraging Behavior with GPS Collars in a Semiarid Grassland

open access: yesSensors, 2013
Advances in global positioning system (GPS) technology have dramatically enhanced the ability to track and study distributions of free-ranging livestock. Understanding factors controlling the distribution of free-ranging livestock requires the ability to
Justin D. Derner, David J. Augustine
doaj   +1 more source

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