plateaux

These "plateaux" of learning are sometimes to be accounted for by muscular fatigue.

Human Traits and their Social Significance Irwin Edman

After varying numbers of repetitions, depending somewhat on the particular individual, there occur what are known as "plateaux," during which no progress in speed or accuracy of response is to be observed.

Human Traits and their Social Significance Irwin Edman

They crawled and climbed and scrambled over high ethical plateaux and ranges, or drowned themselves in metaphysical seas of sentimentality.

The Passing of Marcus O'Brien 2010

These soil conditions explain the treeless grassy summits as well as the belt of savanna at 500-550 m around the mountains above which the forests take over The Nimba Mountains have great topographical diversity, with valleys, plateaux, rounded hilltops, rocky peaks, abrupt cliffs, waterfalls and bare granite blocks; the whole area being a vast water catchment and reservoir.

Mount Nimba Strict Nature Reserve, Guinea and Côte d'Ivoire 2008

The massifs and plateaux are deeply dissected by ancient canyons and seasonal wadis.

Aïr and Ténéré Natural Reserves, Niger 2008

Lee wave lift and thermal soaring occur here in good measure, and the late Peakland writer Crichton Porteous highlighted the joy of seeing "the moors and plateaux from many previously inaccessible angles in the refracted lights of dawns and sunsets".

Country diary: North Derbyshire 2010

Although rainfall is low, the bare rock surfaces of the massifs and plateaux concentrate run-off into wadis and temporary pans, which are relatively well wooded oases, even having gallery woodland with understorey.

Aïr and Ténéré Natural Reserves, Niger 2008

They favored the tropical coastal lowlands such as Veracruz, Yucatan and parts of Oaxaca, where the climate and landscapes were more familiar to them than the high interior plateaux of central Mexico.

Did You Know? Blacks outnumbered Spaniards until after 1810 2008

It is part of an archipelago of peaks and plateaux, an isolated refugium covered by Guinean montane forest, which rises steeply above undulating lowland forest plains.

Mount Nimba Strict Nature Reserve, Guinea and Côte d'Ivoire 2008

Other Sahelian mammal species include an isolated and presumably highly inbred population of around 70 olive baboons Papio anubis, in the Tamgak massif, and an estimated 500 Patas monkeys Erythrocebus patas in the central massifs and plateaux.

Aïr and Ténéré Natural Reserves, Niger 2008