The Biology of Coastal Sand Dunes by Anwar Maun

By Anwar Maun

Coastal zones have gotten more and more topical (and politically delicate) as they face relentless pressures from city enlargement, leisure improvement, and sea point upward push because of weather switch. This well timed ebook presents a finished creation to the formation, dynamics, upkeep, and perpetuation of coastal sand dune platforms. It describes the interactions among dwelling organisms and the actual strategies of geomorphology. an international variety of examples increase the book's overseas allure. in response to the learn provided during this e-book, basic to advanced box reports and experiments should be designed at undergraduate and graduate degrees to demonstrate quite a few organic rules. This obtainable ebook is meant for a various viewers; as a useful reference for researchers who learn coastal dune platforms and for beginner researchers requiring a legitimate advent to the topic. This ebook is acceptable for either senior undergraduate and graduate scholars taking classes in coastal sector administration, plant ecology, recovery ecology, and conservation biology, in addition to the various specialist ecologists and conservation biologists requiring a concise yet authoritative review of the subject. The e-book will also be of relevance and use to coastal managers, planners, naturalists, and an individual pursuing a better realizing of coastal sand dunes.

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8) the A and B horizons were clearly distinguishable. These layers of leaching and deposition became more pronounced with time, the depth to which carbonates leached increased and by 4700 years and 2270 m from the lake shore, a clear podsol profile became evident. It became even more pronounced in plant communities on sandy substrate by 12 000 years BP (Sparling 1965). 8 Soil profile development on a lacustrine sand dune system at Pinery Provincial Park along Lake Huron. A0, A1, A2 are the zones of leaching, B, the zone of deposition and C, the unaltered parent material (adapted from VandenBygaart 1993; Sparling 1965).

0% along Lake Huron (Hawke and Maun 1988). 7%, respectively along the Pacific Coast (Holton 1980). Similarly, even though soil nitrogen pools were low, the leaf nitrogen content of A. populifolia, I. pes-caprae and S. plumieri plants on a South African foredune were within normal limits (Ripley and Pammenter 2004). 003 THE SAND DUNE ENVIRONMENT on the basis of increasing biomass attainment under nitrogen limiting conditions: Ambrosia artemisiifolia, Achillea millefolium, Chenopodium album, Agropyron repens, Agrostis scabra, Poa pratensis, Sorghastrum nutans, Schizachyrium scoparium (= Andropogon scoparius) and Liatrus aspera.

1990a) presented three stages in the development, growth and stabilization of blowouts: (i) initiation of deflation, (ii) continued deflation which leads to slumping of side walls and sand movement to the leeward side and (iii) eventual re-vegetation, stabilization and infilling of blowout. All these stages can be seen in the old parabolic dune ridges (Bowles 1980) at the Pinery dune system (Fig. 16). They were probably trough blowouts at one time and then stabilized by vegetation. Dech et al.

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