نتایج جستجو برای: subalpine rangeland

تعداد نتایج: 4050  

Journal: :Journal of Range Management 1989

Journal: :journal of rangeland science 2011
mohammad hassan jouri dina askarizadeh vahid rahimi mohammad mahdavi

mountainous rangeland ecosystems have a highly delicate position in ecologic areabecause of severe environmental conditions and having wildlife and livestock. knowing andrealizing the biotic and abiotic components, which have an interaction with each other in thisecosystem, perform the most important role in to desirable management of it. the systematicmanagement is one of the managing features...

2016
Elena V. Danzhalova S. N. Bazha P. D. Gunin T. I. Kazantseva

The research shows that widely used key measures of vegetation structure (species diversity, projected cover and above-ground phytomass) are not always suitable as indicators of pasture degradation. Based on an analysis above-ground phytomass composition, new quantitative indices are offered that give a more realistic picture of rangeland condition in Mongolia.

Journal: :Current Opinion in Environmental Sustainability 2021

Rangeland climate services — knowledge resources that integrate information on to facilitate decision-making for ranchers and pastoralists have the potential sustainable decisions under variable conditions. Yet design of often fails fully address behavioral, cultural, social, institutional factors motivate or disincentivize end-users. Thus, we review how research risk uncertainty preferences, d...

Journal: :journal of rangeland science 0
khosrw shahbazi forests and rangelands research institute of iran ali salajagheh 2faculty of natural resources, tehran university, iran mohammad jafari faculty of natural resources, tehran university, iran hassan ahmadi faculty of natural resources, tehran university, iran aliakbar nazarisamani faculty of natural resources, tehran university, iran mohammad khosrowshahi 3forests and rangelands research institute of iran

negative impacts of gully erosion in marly areas are severe due to improper landuse practices such as irrigation, tillage, overgrazing and degradation of vegetation cover. the objective of this research was to evaluate gully thresholds related to plant vegetation cover and landuse change in the agriculture (ag), fair rangeland (fr) and weak rangeland (wr) areas of ghaasr-e-shirin, kermanshah, i...

Journal: :Phytotaxa 2022

The newly described Senecio ×riloensis combines the morphological features of S. hercynicus and transylvanicus, grows in subalpine habitats Rila Mountains, Bulgaria. It is illustrated with photos living plants locus classicus.

2006
James S. Jacobs Roger L. Sheley John J. Borkowski

Leafy spurge is an invasive Eurasian weed on pastures and rangeland in North America where it reduces grass forage production. Our objective was to determine the effects of multispecies grazing combined with Aphthona flea beetles on leafy spurge-infested rangeland. On two westernNorth Dakota sitesdivided into four25to79-hapastures, two grazingduration treatmentswere applied: season-long with 7 ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید