Titlebook: Desertification in Developed Countries; International Sympos David A. Mouat,Charles F. Hutchinson Book 1995 Kluwer Academic Publishers 1995

漂白

Desertification of the Eastern Karoo, South Africa: Conflicting Paleoecological, Historical, and So we review the conflicting and supporting evidence for degradation in the eastern Karoo as reported in recent archaeological, historical, and stable carbon isotope studies as it relates to three key aspects of the debate: the precolonial environment, the rate and nature of change, and the relative c

连接

Generator

Integrated Response Plot Designs for Indicators of Desertification,resources as well as any change occurring in the resource condition over time. The Environmental Monitoring and Assessment Program (EMAP) of the U.S. Environmental Protection Agency has developed a statistical survey design for monitoring the condition of ecological resources on large spatial scales

IRATE

Desertification of Subtropical Thicket in the Eastern Cape, South Africa: Are there Alternatives?, Africa. Undegraded ECST forms an impenetrable, spiny thicket up to 3 m high consisting of a wealth of growth forms, including evergreen plants, succulent and deciduous shrubs, lianas, grasses, and geophytes. The thicket dynamics are not well understood, but elephants may have been important browser

精密

Desertification in Australia: An Eye to Grass Roots and Landscapes,n form of desertification is loss of perennial grasses from grasslands, savannas, and open woodlands, often with a replacement by inedible shrubs. Desertification continues to be a problem, especially during droughts when grazing pressures reduce ground cover, laying bare landscapes to wind and wate

环形

spondylosis

,South Africa’s Arid and Semiarid Rangelands: Why Are They Changing and Can They Be Restored?,s in livestock densities and ranch numbers during the past century imply that carrying capacities for domestic herbivores are falling. Differences in carbon isotope signals with soil depth and abrupt shifts in dominant plant species across ranch boundaries reveal that southern African rangelands are

严峻考验

Impact of Desertification on Temperature Trends in the Middle East,investigation, the temperature records from the Middle East region are analyzed over the period 1950–1990. Results reveal a linear, statistically significant temperature increase of 0.07 .C/decade over the 41-year period. An analysis of spatial controls on these temperature changes reveals a warming

breadth

压碎

Finance and Capital Markets Seriesby promoting action through local pastoralist and farmer groups and by encouraging the use of effective techniques for rehabilitating landscapes. A strategic application of ponding banks and contour traps with an eye to the landscape has proven successful in stopping and reversing desertification processes.