North American Agroforestry. Группа авторов

2–1. Agroforestry priorities: Temperate and tropical. Fig. 2–2. Principles and benefits derived from the windbreak agroforestry pr...

      2 Chapter 3Fig. 3–1. Hypothetical relationship between perennialism and sustainability ...Fig. 3–2. (A) Categorization of ecosystems in terms of the spatial and tempo...Fig. 3–3. Hypothetical changes in energy and nutrient fluxes, pools and cond...Fig. 3–4. Example of an amoeba diagram (NPV, net present value; BOD, biologi...

      3 Chapter 4Fig. 4–1. The production possibility curves for two species, A and B: (a) Po...Fig. 4–2. Net photosynthesis as a function of photosynthetically active radi...Fig. 4–3. Grain yield of alley‐cropped maize at the edge (average of eastern...Fig. 4–4. Extent of damage to trees by cattle during second year after plant...Fig. 4–5. Relationships between cattle stocking rate (livestock units, LU) a...Fig. 4–6. Acid detergent fiber, neutral detergent fiber, and crude protein o...Fig. 4–7. Effect of trees on air and soil temperature of holm oak dehesas: (...Fig. 4–8. Average leaf N (a) concentrations and (b) amounts in wild cherry a...

      4 Chapter 5Fig. 5–1. Wind flow patterns (A) over, (B) around, and (C) through a field w...Fig. 5–2. Changes in the pressure coefficient at ground level windward and l...Fig. 5–3. Wind speed reductions at different distances to the lee of windbre...Fig. 5–4. The amount of snow storage windward and leeward of a snow fence or...Fig. 5–5. Number and time of occurrence of male and female flowers of muskme...Fig. 5–6. The generalized case for crop yield responses for a field windbrea...Fig. 5–7. Cross‐section of a feedlot windbreak designed for wind and snow pr...Fig. 5–8. Generalized windbreak design for odor mitigation in central Iowa....

      5 Chapter 6Fig. 6–1. Grazed open canopied ponderosa pine forest, eastern Oregon. Fig. 6–2. Cattle grazing Coastal bermudagrass beneath southern pines in a so...Fig. 6–3. Heifers in open pastures seeking relief from the heat by wallowing...Fig. 6–4. White clover forms a symbiotic relationship with rhizobial bacteri...Fig. 6–5. A thinning 3 yr prior to the collection of these loblolly pine cor...Fig. 6–6. Black locust trees planted into grass–clover pasture to fix N2, pr...Fig. 6–7. Recently pruned southern pine silvopasture planted in rows. Fig. 6–8. Cows grazing in an apple orchard in New England. Fig. 6–9. Five‐year‐old Douglas‐fir–subterranean clover–sheep silvopasture i...

      6 Chapter 7Fig. 7–1. Historical trend of peer‐reviewed publications on temperate alley ...Fig. 7–2. Photos of alley cropping with various trees and crop species: (a,b...Fig. 7–3. Frequency of genera utilized in the tree component (left panel) an...Fig. 7–4. Results from a literature survey of alley crop relative yields in ...Fig. 7–5. A black walnut site prepared for conversion from row crops to a ha...Fig. 7–6. Chemical weed control along rows of 8‐yr‐old black walnut....Fig. 7–7 A well‐managed stand of black walnut alley cropped with a mixture o...Fig. 7–8. A medium‐ to low‐quality upland black walnut site managed primaril...Fig. 7–9. A map of four midwestern states (Missouri, Illinois, Indiana, and ...

      7 Chapter 8Fig. 8–1. Watershed and sub‐watersheds of a fourth‐order stream. The watersh...Fig. 8–2. Hillslope processes that transfer materials from upland and ripari...Fig. 8–3. Upper diagram shows floodplain and channel dimensional features. A...Fig. 8–4. The channel evolution model demonstrates the cycle of events that ...Fig. 8–5. The geomorphic zones of a fluvial system. In the production zone, ...Fig. 8–6. The river continuum concept depicts the relationship between the g...Fig. 8–7. The hydrologic cycle showing the paths of water movement through a...Fig. 8–8. Fate and temporal scale of precipitation in undisturbed watersheds...Fig. 8–9. The variable source area that contributes stormflow and base flow ...Fig. 8–10. Hydrogeologic connections as they influence water movement throug...Fig. 8–11. Phosphorus movement through a riparian forest buffer. Riparian fo...Fig. 8–12. Nitrogen movement through a riparian forest buffer. Riparian fore...Fig. 8–13. The median and interquartile ranges of NO3–N (N = 58–97) and tota...Fig. 8–14. Daily precipitation (PPT) and volumetric soil water content (VWC)...Fig. 8–15. Daily precipitation and volumetric soil water content (VWC) at 5‐...Fig. 8–16. A corn and soybean field on land that was once covered by native ...Fig. 8–17. Farming through the riparian zone to the edge of the stream modif...Fig. 8–18. A field drainage tile passes below the riparian buffer and carrie...Fig. 8–19. A stream channel that once meandered has been straightened, reduc...Fig. 8–20. Annual differences in water movement in a non‐tiled annual row‐cr...Fig. 8–21. Cattle grazing in riparian zones damage stream banks and add poll...Fig. 8–22. Alterations in stream discharge and morphology brought about by a...Fig. 8–23. A riparian forest buffer model. In Zone 1, tree removal is genera...Fig. 8–24. A riparian management system model. This model consists of four p...Fig. 8–25. The multispecies riparian forest buffer model. This buffer consis...Fig. 8–26. Riparian buffer widths by various functions. The function requiri...Fig. 8–27. Buffer design modification to accommodate subsurface drainage til...Fig. 8–28. A before‐and‐after sequence showing the results of riparian buffe...Fig. 8–29. Willow posts and stakes for bank stabilization. Posts range in si...Fig. 8–30. A 5‐m‐wide stream bank “blowout” that occurred within the first y...Fig. 8–31. Manual installation of small willow posts and stakes. Notice that...Fig. 8–32. Growth of the willow posts and stakes after 4 yr. The bank is now...Fig. 8–33. A willow post porous dam placed in a gully. Willow posts are poun...Fig. 8–34. A joint planting where willow posts are used in conjunction with ...Fig. 8–35. A live fascine used to anchor the bottom of geotextile. Grass is ...Fig. 8–36. A brush mattress installation. The base of the stems are buried i...Fig. 8–37. A combination of live and dead materials used in the stream bank ...Fig. 8–38. Backhoe