Download A Systematic Treatment of Fruit Types by Richard W. Spjut PDF

By Richard W. Spjut

ISBN-10: 089327383X

ISBN-13: 9780893273835

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Extra resources for A Systematic Treatment of Fruit Types

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With the shift to ecosystem management, managers are being asked to manipulate forests and other resources at scales rarely considered previously, but empirical research at landscape scales is sparse, and theory is still developing. Thus, management has often responded by becoming more adaptive, or adopting a “learnas-you-go” mentality. Several large-scale, long-term ecosystem projects, such as the DEMO project in the Pacific Northwest (Halpern et al. , Chapter 17). Such projects provide excellent opportunities for scientists to cooperate with land managers to identify relevant research questions, conduct experimental, manipulative studies at broad scales, and thereby develop the scientific base needed for sound forest landscape management.

The patterns of land division and ownership have commonly fragmented primeval forest ecosystems along lines that coincide with roads network, farm boundaries, and settlements. , landscape pressures, P) have gradually led to complex and heterogeneous cultural patterns characterized by relatively Landscape disturbance Land-use change Pressure Response Forest landscape planning and management Cultural patterns State Ecological processes Fig. 3 Conceptual model for analyzing the main cultural factors influencing the spatial heterogeneity of forest landscapes Long-term plans and policies • Land-tenure systems • Forest-tenure regimes • Silviculture traditions • Management plans and practices Driving forces Setting landscape ecological indicators • Spatial heterogeneity • Fragmentation • Shape complexity • Species diversity • Natural succession I mp a ct 22 R.

Orlando Rowe JS, Barnes BV (1994) Geo-ecosystems and bio-ecosystems. B Ecol Soc Am 75(1):40–41 Sanderson J, Harris LD (eds) (2000) Landscape ecology: A top-down approach. C. Saunders CS, Chen J, Crow TR, Brosofske KD (1998) Hierarchical relationships between landscape structure and temperature in a managed forest landscape. Landsc Ecol 13:381–395 Saunders SC, Chen J, Drummer TD, Crow TR (1999) Modeling temperature gradients across edges over time in a managed landscape. Forest Ecology and Management 117:1731 Saunders SC, Chen J, Drummer TD, Crow TR, Brosofske KD, Gustafson EJ (2002) The patch mosaic and ecological decomposition across spatial scales in a managed landscape of northern Wisconsin, USA.

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