Sun And Shade
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Plant Physiological Ecology
Author: Hans Lambers
language: en
Publisher: Springer Science & Business Media
Release Date: 2008-10-08
Box 9E. 1 Continued FIGURE 2. The C–S–R triangle model (Grime 1979). The strategies at the three corners are C, competiti- winning species; S, stress-tolerating s- cies; R,ruderalspecies. Particular species can engage in any mixture of these three primary strategies, and the m- ture is described by their position within the triangle. comment briefly on some other dimensions that Grime’s (1977) triangle (Fig. 2) (see also Sects. 6. 1 are not yet so well understood. and 6. 3 of Chapter 7 on growth and allocation) is a two-dimensional scheme. A C—S axis (Com- tition-winning species to Stress-tolerating spe- Leaf Economics Spectrum cies) reflects adaptation to favorable vs. unfavorable sites for plant growth, and an R- Five traits that are coordinated across species are axis (Ruderal species) reflects adaptation to leaf mass per area (LMA), leaf life-span, leaf N disturbance. concentration, and potential photosynthesis and dark respiration on a mass basis. In the five-trait Trait-Dimensions space,79%ofallvariation worldwideliesalonga single main axis (Fig. 33 of Chapter 2A on photo- A recent trend in plant strategy thinking has synthesis; Wright et al. 2004). Species with low been trait-dimensions, that is, spectra of varia- LMA tend to have short leaf life-spans, high leaf tion with respect to measurable traits. Compared nutrient concentrations, and high potential rates of mass-based photosynthesis. These species with category schemes, such as Raunkiaer’s, trait occur at the ‘‘quick-return’’ end of the leaf e- dimensions have the merit of capturing cont- nomics spectrum.
An Introduction to Landscape and Garden Design
How do you design a landscape book suitable for its intended uses? How can the natural qualities of a landscape be enhanced with new features and focal points? How can you make pedestrians stay on the footpath? What kind of plant, path or wall should you put where, and what sort of contract should you choose for your client's contractor? This refreshingly down-to-earth introduction to the vast subject of landscape design and construction answers all these questions, guiding new students through the many facets of professional practice and welding together the artistic, legal, financial, environmental and management issues which can seem so dauntingly disconnected. Illustrated with original drawings, photographs, sample plans and facsimiles, including a new colour plate section, this readable classic has been fully revised and updated throughout. It opens with a completely new chapter which explains design and aesthetic principles, explores the history of our relationship to landscape, and shows how design principles can be applied to influence reactions to the finished site. The author then considers different elements of hard landscape and their relative merits in different situations. The soft landscape section includes coverage of the effects of mass and form, natural and abstract planting, and the difficult subject of plant selection. A step-by-step guide through all the stages of managing a project, from initial discussions with clients, site inspection, surveying and quoting, through tendering, contracting, contractual agreements, development from concept design to final plans and drawings, as well as maintenance, now includes the current information on CDM regulations and provides readers with a plain-speaking reference on client management and contractual administration. Added to the guide to drawing and lettering is an extensive section on computer-aided design. A bibliography and list of useful organization are also included.
Old-House Journal
Old-House Journal is the original magazine devoted to restoring and preserving old houses. For more than 35 years, our mission has been to help old-house owners repair, restore, update, and decorate buildings of every age and architectural style. Each issue explores hands-on restoration techniques, practical architectural guidelines, historical overviews, and homeowner stories--all in a trusted, authoritative voice.