Adjective : nival flora.    From Dictionary.com. 

Groundwater contributions are larger than those in arctic – nival systems.    From Wordnik.com.  [Terrestrial Water Balance in the Arctic] Reference

Another important factor at the highest (sub-nival) elevations is soil stability.    From Wordnik.com.  [Tian Shan montane steppe and meadows] Reference

Stream flow is nival, and carries DOC-enriched spring runoff from peaty catchments to Toolik Lake.    From Wordnik.com.  [Effects of climate change on hydro-ecology of contributing basins in the Arctic] Reference

Above this are alpine meadows and rocky outcrops that yield in places to sub-nival and nival belts.    From Wordnik.com.  [Western Caucasus, Russian Federation] Reference

Open sub-nival plant communities found in rock and talus substrates at the elevation of 3,000-4,000 m.    From Wordnik.com.  [Caucasus mixed forests] Reference

Subarctic – nival: dominated by spring snowmelt events, with peak water levels often the product of backwater from ice jams.    From Wordnik.com.  [Terrestrial Water Balance in the Arctic] Reference

In the present climate, most streams and rivers originating within the Arctic have a nival regime in which snowmelt produces high flows and negligible flow occurs in winter.    From Wordnik.com.  [Effects of climate change on general hydro-ecology in the Arctic] Reference

Arctic – nival: continuous permafrost where deep infiltration is impeded by perennially frozen strata, base flow and winter flow are low, and snowmelt is the major hydrologic event.    From Wordnik.com.  [Terrestrial Water Balance in the Arctic] Reference

Based on physiographic types, five altitudinal vegetation zones have been identified within Lorentz National Park: lowland zone, montane zone, subalpine zone, alpine zone, and nival zone.    From Wordnik.com.  [Lorentz National Park, Indonesia] Reference

It supports a range of alpine vegetation types that includes meadow, steppe, cold desert, and sub-nival cushion plant communities at elevations ranging from 3,500 to nearly 6,000 meters (m).    From Wordnik.com.  [Southeast Tibet shrub and meadows] Reference

They demonstrated that most rivers are very sensitive to temperature rises on the order of 1 to 3 ºC, and that nival (snow-dominated) rivers become less stable while pluvial (rain-dominated) rivers become more stable.    From Wordnik.com.  [Terrestrial Water Balance in the Arctic] Reference

The Tibetan Plateau, treeless except in the southeastern river valleys, supports a range of alpine vegetation types that includes meadow, steppe, cold desert and sub-nival cushion plant communities at elevations ranging from 3,500 to nearly 6,000 m.    From Wordnik.com.  [Central Tibetan Plateau alpine steppe] Reference

The Tibetan Plateau, treeless except in the southeastern river valleys, supports a range of alpine vegetation types that includes meadow, steppe, cold desert and sub-nival cushion plant communities at elevations ranging from 3,500 to nearly 6,000 meters (m).    From Wordnik.com.  [North Tibetan Plateau-Kunlun Mountains alpine desert] Reference

The Tibetan Plateau, treeless except in the southeastern river valleys, supports a range of alpine vegetation types that includes meadow, steppe, cold desert, and sub-nival cushion plant communities at elevations ranging from 3,500 to nearly 6,000 meters (m).    From Wordnik.com.  [Yarlung Zambo arid steppe] Reference

It consists of montane to altimontane beech, and mixed beech forests, submontane to altimontane spruce and spruce-fir forests, and alpine vegetation in the European Alps. It also includes small portions of submontane acidophilous oak and mixed oak forests, nemoral, sub - and oro-Mediterranean pine forests, and nival and sub-nival vegetation of the high mountains.    From Wordnik.com.  [Alps conifer and mixed forests] Reference

By rear-admiral Hardy, November 10, 1712: in a pri - vate memorandum relative to this genileinun, it is placed cxaflly twelve months later; and in a maniifcript lift of nival officers, - it is faid to have happened fome lime in the 'year IT'S - ThefitH we believe oearcft the truth..' rOTHERBY.    From Wordnik.com.  [Biographia navalis; or, Impartial memoirs of the lives and characters of officers of the navy of Great Britain, from the year 1660 to the present time; drawn from the most authentic sources, and disposed in a chronological arrangement] Reference

Rhododendron anthopogon and R. lepidotum); upper alpine, above 4,500 m, with grassland and dwarf shrubs; and sub-nival zone with cushion plants from 5,500 m to 6,000 m.    From Wordnik.com.  [Sagarmatha National Park, Nepal] Reference

Domi nival Letter Rooi&n Indictiori Jiilmii Period F IS.    From Wordnik.com.  [The nautical almanac and astronomical ephemeris for the year ..] Reference