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Worldwide evidence of a unimodal relationship between productivity and plant species richness

A large, standardized, and geographically diverse sample of grasslands from six continents is used to confirm the validity and generality of the humped-back model of plant species diversity and pave the way for a more mechanistic understanding of the factors controlling species diversity.
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Investigating the altitude effect on the quantity and quality of the essential oil in Tanacetum polycephalum Sch.-Bip. polycephalum in the Baladeh region of Nour, Iran.

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Capability Investigation of Carbon Sequestration in Two Species (Artemisia sieberi Besser and Stipa barbata Desf.) Under Different Treatments of Vegetation Management (Saveh, Iran)

The rangelands, as one of the largest dynamic biomes in the world, have very capabilities. Regulation of greenhouse gases in the Earth's atmosphere, particularly carbon dioxide as the main greenhouse…

SURVEY OF EVALUATION TECHNIQUES FOR STUDYING RANGELAND GRASS SPECIES NUTRITIONAL VALUES

The survey of the investigation of the animal diets throughout the world has indicated that Asia has published less research on animal diet, and the Range Society or the Range Bureau of Iran collected this information from the world as a database that can be used for proper management of the native rangelands in the country.
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COMPARISON OF MEASUREMENT INDICES OF DIVERSITY, RICHNESS, DOMINANCE, AND EVENNESS IN RANGELAND ECOSYSTEM (CASE STUDY: JVAHERDEH-RAMESAR)

The diversity and richness of species are of important components to evaluate the health of ecologic system of rangelands. This research was conducted to investigate the biodiversity in riparian and…

Studying the sffects of Grazing Capacity and Rangeland Conditions on Occurrence of Landslide in Subalpine Grassland (Case Study: Rangeland of Masoleh Watershed)

Subalpine rangeland as a rara avis ecosystem is very important because of ecological features. Consistency and resistance of this ecosystem is so frangible and its natural equilibrium is instable due…

Not a melting pot: Plant species aggregate in their non‐native range

The strong differences between the native (home) and non‐native (away) range in species co‐occurrence patterns are evidence that the way in which species associate with resident communities in their non-native range is not species dependent, but is instead a property of being away from their native range.
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THE STUDY OF DIVERSITY INDICES OF PLANTS SPECIES USING SHE METHOD (CASE STUDY: JAVAHERDEH RANGELANDS, RAMSAR, IRAN)

Recent attitude of vegetation assessors is using of new ecologic approaches to evaluate and analyse the complex rangeland ecosystems. Plant diversity is the most important indices to assess the…

Food Security and Land Use Change under Conditions of Climatic Variability

Food security covers aspects at all spatial levels from local to global and from an interdisciplinary and systemic food systems perspective. This book aims to better understand environmental,…

The effects of altitude on chemical compositions and function of essential oils in Stachys lavandulifolia Vahl. (Iran)

1600 m asl was the most desirable altitude to grow species to achieve the optimal quality and quantity of the essential oils in Stachys lavandulifolia.
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