Example sentences of "occur as " in BNC.

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1 Further losses from the ecosystem occur as crops and/or animals are harvested and exported ; and such cumulative losses , unless they are compensated for with artificial fertilisers , often lead to farm abandonment .
2 As Pooley ( 1987 ) discusses , bacterial leaching is relevant to the recovery of metals that occur as sulphide ores and it involves the oxidation of sulphides to sulphates that are more soluble , providing solutions from which the metals can be more easily extracted .
3 The accented B♭s that occur as pick-up notes for each phrase in bars 2–5 should be played by hooking your r/h thumb under the G string and releasing it so that the string slaps against the fingerboard .
4 The rarity of short-wave cones is concordant with earlier estimates , using direct and indirect means of identifying these receptors , but we have not ourselves seen any indication that the short-wave cones occur as interruptions to the regular foveal matrix , as has sometimes been reported .
5 Throughout the survey clerks occur as ( generally ) small landowners , and some were taxed in this capacity in the lay subsidy .
6 Nevertheless , changes constantly occur as is shown by a cursory glance at the development of local government services in Britain .
7 The first land plants we know , dating from over 400 million years ago , are simple leafless branching strands which occur as filaments of carbon in the rocks of central Wales and in some cherts in Scotland .
8 The component subskills can then be described as being automatised — the movements occur as the position of the pen demands them , without the writer having consciously to calculate them .
9 Astaxanthin ( 3:3 — dihydroxy — 4:4 -diketo — B -carotene ) and B-carotene both occur as chromoproteins in the integument of locusts and the green chromoprotein pigment of many insects ( known as insectoverdin ) is a complex , the yellow-orange component of which may have as its prosthetic group B-carotene ( Carausius ) , lutein ( Sphinx , Tettigonia ) or astaxanthin .
10 Management of a business can only justify its existence and its authority by the economic results it produces , even though as a consequence of their actions , significant non-economic results occur as well .
11 Quartz and calcite are perhaps the most common but chlorite , clay minerals , hematite , dolomite , siderite , aragonite , phosphates and evaporite minerals ( particularly halite ) also occur as cements , as do zeolites , particularly in volcanogenic sediments ( Table 5.1 ) .
12 Separate eruptions are similar to one another , but they are not identical ; statistical fluctuations occur as with any feature of a turbulent flow .
13 Such variations occur as a result of density variations associated with a temperature or concentration field .
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