Frontiers | The Abundance of the nifH Gene Became …

2021-5-31 · Primary successional ecosystems and the related soil development are often N limited. To date, N2-fixing communities during primary succession in alpine ecosystems have remained underexplored. In this study, we applied quantitative PCR (qPCR) quantitation and targeted amplicon sequencing of nifH in the Hailuogou Glacier foreland to investigate the succession of N2-fixing …

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The carbon sequestration potential of China''s grasslands ...

2018-10-5 · Introduction. As the third largest grassland ecosystem in the world, China''s grasslands, spanning from temperate grasslands on the Inner Mongolian Plateau to alpine grasslands on the Tibetan Plateau (Chinese Academy of Sciences 2001), cover 40% of the national land area and 13% of the global grassland area (Liao and Jia 1996, Kang et al. 2007). ...

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The Spun: What''s Trending In The Sports World Today

2021-9-29 · The Spun covers the most interesting sports stories for the NFL, the NBA, college football, college basketball, Major League Baseball and more.

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Stephen Curry scored a career-best 62 points in Golden State''s 137-122 win over Portland on Jan. 3. Curry shot 18-31 from the field and 8-16 from beyond the arc as he topped his previous career ...

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Resorption proficiency and efficiency of leaf nutrients in ...

INTRODUCTION. Foliar nutrient resorption is an important mechanism of plant nutrient conservation (), being especially significant for perennial plants.As leaf senesces, parts of the nutrient components (e.g. ~50% of the total leaf nitrogen [N] and phosphorus [P]) of the hydrolysed proteins, enzymes, lecithin and nucleic acids will be re-translocated to seeds, roots and other live parts of plants.

Grazing modifies inorganic and organic nitrogen uptake …

2015-10-5 · To study how grazing affects the uptake of inorganic and organic N forms, three focal plant species (i.e., the graminoid species Kobresia pygmaea, which decreases with grazing, and the forbs Potentilla bifurca and Potentilla multifida, which increase with grazing) were selected in ungrazed and grazed plots in an alpine meadow on the Tibetan Plateau. Three times during the growing season (i.e ...

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The links between ecosystem multifunctionality …

2015-9-2 · The sites represent the three main vegetation types: alpine meadow, alpine steppe and desert steppe, and the 11 soil types (Genetic Soil Classification of China 44): brown pedocals, castanozems ...

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Industrial Ball Mills Market Research Report Analysis By ...

2021-7-26 · Jul 26, 2021 (Heraldkeepers) -- Our recently published "Industrial Ball Mills Market" Industry research report has detailed industry analysis and gives a...

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Nitrogen economy of alpine plants on the north Tibetan ...

2020-1-27 · Alpine meadow, alpine steppe, and alpine desert steppe are the three main grasslands on the Tibetan Plateau, with areas of 1.873 × 10 7, 4.958 × 10 7, and 0.025 × 10 7 ha, respectively (Wang, Qian, Cheng, & Lai, 2002).

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