Journal of Arid Environments
About: Journal of Arid Environments is an academic journal. The journal publishes majorly in the area(s): Vegetation & Arid. It has an ISSN identifier of 0140-1963. Over the lifetime, 5513 publication(s) have been published receiving 178569 citation(s).
Topics: Vegetation, Arid, Population, Species richness, Soil water
Papers published on a yearly basis
01 Mar 1978-Journal of Arid Environments
01 Jan 2010-Journal of Arid Environments
TL;DR: The extent and magnitude of rangeland degradation on the Qinghai-Tibetan plateau (QTP) remains largely unknown because monitoring programs have been subjective and poorly documented as mentioned in this paper.
Abstract: Rangelands of the Qinghai-Tibetan plateau (QTP), although sparsely populated and contributing little to China's overall economy, play an important environmental role throughout Asia. They contain high biodiversity values and can also potentially provide China with a source of cultural and geographic variety in the future. Chinese government reports paint a gloomy picture, considering vast portions of the QTP degraded and blaming irrational overstocking of livestock as the principal culprit. Global climate change, population increases, and “rodent” damage are also invoked as causes of rangeland degradation. In contrast, some Western observers claim that traditional pastoral practices were sustainable, and identify either previous or more recent state policies as the cause of degradation. Chinese governments at national and provincial levels have initiated a number of sometimes-conflicting and confusing policies aimed, at least nominally, at restoring rangeland productivity. On the basis of a comprehensive literature review, I argue that the extent and magnitude of rangeland degradation on the QTP remains largely unknown because monitoring programs have been subjective and poorly documented. Further, I argue that causes of degradation remain uncertain, often because hypotheses have been articulated too vaguely to test. No phenomena that have been hypothesized as contributing to rangeland degradation on the QTP currently enjoy unequivocal support. Where over-stocking is clearly causing damage, we lack sufficient understanding of current socio-ecological systems to identify ultimate and proximate drivers of pastoralist behavior, and thus policy initiatives aimed at sustainability may well fail.
01 Dec 1979-Journal of Arid Environments
TL;DR: Many current topics are covered such as mesoscale meteorology, radar cloud studies and numerical cloud modelling, and topics from the second edition, such as severe storms, precipitation processes and large scale aspects of cloud physics, have been revised.
Abstract: Covers essential parts of cloud and precipitation physics and has been extensively rewritten with over 60 new illustrations and many new and up to date references. Many current topics are covered such as mesoscale meteorology, radar cloud studies and numerical cloud modelling, and topics from the second edition, such as severe storms, precipitation processes and large scale aspects of cloud physics, have been revised. Problems are included as examples and to supplement the text.
01 Nov 2005-Journal of Arid Environments
TL;DR: In this article, a 23-year time series of Remotely sensed measurements from NOAA-AVHRR expressed as normalized difference vegetation index (NDVI) have been used for long-term studies of Sahel region.
Abstract: Remotely sensed measurements from NOAA-AVHRR expressed as normalized difference vegetation index (NDVI) have generated a 23-year time series appropriate for long-term studies of Sahel region. The close coupling between Sahelian rainfall and the growth of vegetation has made it possible to utilize NDVI data as proxy for the land surface response to precipitation variability. Examination of this time series reveals two periods; (a) 1982–1993 marked by below average NDVI and persistence of drought with a signature large-scale drought during the 1982–1985 period; and (b) 1994–2003, marked by a trend towards ‘wetter’ conditions with region-wide above normal NDVI conditions with maxima in 1994 and 1999. These patterns agree with recent region-wide trends in Sahel rainfall. However taken in the context of long-term Sahelian climate history, these conditions are still far below the wetter conditions that prevailed in the region from 1930 to 1965. These trend patterns can therefore only be considered to be a gradual recovery from extreme drought conditions that peaked during the 1983–1985 period. Systematic studies of changes on the landscape using high spatial resolution satellite data sets such as those from LANDSAT, SPOT and MODIS will provide a detailed spatial quantification and description of the recovery patterns at local scale. r 2005 Elsevier Ltd. All rights reserved.
01 May 2000-Journal of Arid Environments
TL;DR: In this article, problems and measures for the comprehensive control of soil and water loss in the Loess Plateau are proposed and a guide for the reconstruction of ecological and economic development in the region is provided.
Abstract: The Loess Plateau in north China is famous for its deep loess. Due to the special geographic landscape, soil and climatic conditions, and long history (over 5000 years) of human activity, there has been intensive soil erosion which has resulted in prolonged and great impacts on social and economic development in the region. In this paper the factors causing soil and water loss from the Loess Plateau are discussed. Problems and measures for the comprehensive control of soil and water loss in the Loess Plateau are proposed. The objective of this paper is to provide a guide for the reconstruction of ecological and economic development in the region.
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