By R. Ben-David, A. Yair (auth.), Siegmar-W. Breckle, Aaron Yair, Maik Veste (eds.)
Sand dune dynamics performs a key function in lots of arid deserts. This quantity offers a synthesis of a particular sand dune surroundings, the Nizzana website within the Negev wasteland. Describing its weather and geophysical/geochemical houses of soils, geological heritage, wildlife, and past/present land-use styles, it elucidates ecological and geomorphological tactics and their interrelations, in response to long term tracking, in situ experiments and satellite tv for pc imagery. specific recognition is attracted to the impression of the topsoil organic crust in controlling water availability at local/regional scales. The interdisciplinary process followed to that end research bargains a great instance of a hugely complicated and dynamic approach, that can simply be utilized to different sandy ecosystems.
This is a invaluable resource of knowledge for soil ecologists and microbiologists, conservation biologists, wasteland ecologists and geographers, geomorphologists, soil scientists and climatologists, teachers, coverage makers and others attracted to deserts and desertification.
Read Online or Download Arid Dune Ecosystems: The Nizzana Sands in the Negev Desert PDF
Similar nonfiction_9 books
Covers all points of the synthesis of ? amino acids As evidenced through an exponential bring up within the literature released at the topic, curiosity in ? amino acids has grown during the last a number of years. With significant pharmaceutical purposes, those amino acids are actually studied throughout a number of strains of study, together with combinatorial chemistry, medicinal chemistry, molecular layout, proteomics, and others.
Neuroscience views offers multidisciplinary stories of issues in a single of the main different and swiftly advancing fields within the existence sciences. no matter if you're a new recruit to neuroscience, or a longtime specialist, glance to this sequence for 'one-stop' assets of the ancient, physiological, pharmacological, biochemical, molecular organic and healing features of selected examine parts.
Freezing and thawing of soils is a typical phenomenon within the winter-cold sector. The thesis titled “Material biking of Wetland Soils pushed via Freeze-Thaw results” systematically explores the freeze-thaw results at the accumulation and liberate methods of carbon and nitrogen in wetland soils, that is an outstanding step towards the research of biogeochemical methods in wetlands in seasonal freeze-thaw parts.
An efficient method of company governance has either inner and exterior features that experience to be sufficiently responsive if governance is to be triumphant. during this booklet, Ahmed Naciri examines those center features or the most recent buzzword in company and administration conception. Internal aspects contain possession constitution, the board of administrators and committees, inner regulate, probability administration, transparency and monetary reporting.
- Cerebral Blood Flow, Metabolism, and Head Trauma: The Pathotrajectory of Traumatic Brain Injury
- Overcoming Anxiety For Dummies (For Dummies (Psychology & Self Help)) 2nd (second) edition Text Only
- Intracellular Niches of Pathogens,A Microbes Guide Through the Host Cell
- Biological Rhythms
- Understanding Nicotine and Tobacco Addiction: Novartis Foundation Symposium 275
- Mechanisms of Lymphocyte Activation and Immune Regulation X: Innate Immunity
Additional info for Arid Dune Ecosystems: The Nizzana Sands in the Negev Desert
As we postulated above, the Haluza-Agur dunefield probably marks the youngest and thickest invasion of sand into the Negev. Fig. 13 Stabilized slip face in the interdune of two linear dunes at Haluza Sands 40 H. Tsoar et al. Fig. 14 Aerial photograph of Haluza Sands, taken in 2003. 5 The Effect of Destruction of Vegetation on the Morphology and Dynamics of the Sand Dunes The sand dunes of the Sinai and Negev have experienced several cycles of vegetation covering and removal (Tsoar 1995; Meir and Tsoar 1996; Chap.
The second hypothesis states that the VLDs were formed first when the dunes were sparsely covered by vegetation. The transverse dunes with crescentic slip faces formed after the dunes were grazed and all the vegetation removed. The wind was funnelled along the interdune trough and there formed barchans. The crescentic slip faces are stabilized today but their form is very obvious, which indicates that activity was very recent (Figs. 14). This dune morphology is different from the morphology of the linear dunes found at Sde Hallamish and Shunra, where the interdunes are not covered with any bedform.
The crust affects the degree of surface stability, infiltration, and surface runoff rates and, consequently, is associated with 2 Geo-Ecology of the North-Western Negev Sand Field 21 spatial differences in water resources. The biological elements of the crust are mainly cyanobacteria, green algae and fungi (see Chap. 10, this volume). In areas where wet conditions prevail, such as at the base of north-facing slopes or around shrubs, mosses of the genus Bryum and Brachythecium (Lange et al. 1992) are also present.