By M. M. Verstraete, S. A. Schwartz (auth.), A. Henderson-Sellers, A. J. Pitman (eds.)
The chapters during this part position the issues of plants and weather interactions in semi-arid areas into the context which recur through the publication. First, Verstraete and Schwartz evaluation desertification as a strategy of worldwide swap comparing either the human and climatic elements. The topic of human impression and land administration is mentioned extra by means of Roberts whose evaluate makes a speciality of semi-arid land-use making plans. within the 3rd and ultimate bankruptcy during this part we go back to the meteorological subject matter. Nicholls experiences the consequences of El Nino/Southern Oscillation on Australian crops stressing, particularly, the interplay among crops and their climatic setting. Vegetatio ninety one: 3-13, 1991. three A. Henderson-Sellers and A. J. Pitman (eds). plants and weather interactions in semi-arid areas. © 1991 Kluwer educational Publishers. Desertification and international swap 2 M. M. Verstraete! & S. A. Schwartz ! Institute for distant Sensing purposes, CEC Joint examine Centre, Ispra institution, TP 440, 1-21020 Ispra (Varese), Italy; 2 division of Atmospheric, Oceanic and area Sciences, The college of Michigan, Ann Arbor, MI48109-2143, united states accredited 24. eight. 1990 summary Arid and semiarid areas hide one 3rd of the continental components on the earth. those areas are very delicate to various actual, chemical and organic degradation techniques jointly known as desertification.
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Extra resources for Vegetation and climate interactions in semi-arid regions
The heavy rainfall events usually accompany antiENSOs and persist for about a year or so. This persistance would also favour establishment of larger trees, relative to an area of totally unpredictable rains. Fire resistance/dependence Much of the Australian flora is fire-resistant or even dependent on fire for successful reproduction. g. spinifex, actively promote burning by producing flammable oils in their leaves. The fire releases the nutrients and clears away the old plants, allowing young ones to germinate.
168. V. 1981. A comparison of vegetation height in relation to the effectiveness of rainfall in the mediterranean and adjacent arid parts of Australia and South Africa. J. Biogeography 8: 107-116. Nicholls, N. 1979. A simple air-sea interaction model. Quart. J. Roy. Meteor. Soc. 105: 93-105. Nicholls, N. 1984. The Southern Oscillation and Indonesian sea surface temperature. Mon. Weath. Rev. 112: 424-432. Nicholls, N. 1986. A method for predicting Murray Valley Encephalitis in southeast Australia using the Southern Oscillation.
There are also strong variations in wind between ENSO and anti-ENSO events, although these variations are different in different parts of the country. North of about 25°S low-level winds in winter during ENSO events tend to be about 3-4 times stronger than during anti-ENSO events (Drosdowsky 1988). In the southeast the winds in summer tend to be 2-3 times stronger in ENSO events. These relationships with ENSO suggest that wind variability may also be relatively high in Australia, as is the case with rainfall.
Vegetation and climate interactions in semi-arid regions by M. M. Verstraete, S. A. Schwartz (auth.), A. Henderson-Sellers, A. J. Pitman (eds.)