Titlebook: Watershed Management; Balancing Sustainabi Robert J. Naiman Book 1992 Springer-Verlag New York, Inc. 1992 agriculture.environment.forest.po

gait-cycle

Scientific Basis for New Perspectives in Forests and Streamsnags, and down logs are focal points in management, because they can act as surrogates for organisms and functions that are often difficult to quantify. Important considerations at the landscape level include special attention to riparian habitats (including headwaters), creation of an interconnecte

ectropion

Scientific Basis for New Perspectives in Forests and Streamsnags, and down logs are focal points in management, because they can act as surrogates for organisms and functions that are often difficult to quantify. Important considerations at the landscape level include special attention to riparian habitats (including headwaters), creation of an interconnecte

PLAYS

Infant

Ecologically Effective Social Organization as a Requirement for Sustaining Watershed Ecosystemse of human social organization and the incentives for people to learn and adopt ecologically sustainable practices. Institutionalization of sustainable resource and ecosystem management practices will require better information about the appropriate scale and form of social organization. Small, flex

旋轉(zhuǎn)一周

可商量

Management of Aquatic Resources in Large Catchments: Recognizing Interactions Between Ecosystem Conn illustrate how disturbances interact at the catchment level of organization. Owing to the natural complexities of catchment ecosystems and the cumulative effects of human disturbances, the rationale and logistics of obtaining long-term data often seem intractable and excessively expensive. The naiv

使饑餓

Fundamental Elements of Ecologically Healthy Watersheds in the Pacific Northwest Coastal EcoregionThe premise of this article is that the delivery and routing of water, sediment, and woody debris to streams are the key processes regulating the vitality of watersheds and their drainage networks in the Pacific Northwest coastal ecoregion. Five fundamental components of stream corridors are examine

Atheroma

散步

Best Management Practices, Cumulative Effects, and Long-Term Trends in Fish Abundance in Pacific Norve effects of past forest practices and probably has contributed to significant changes in fish communities, particularly when accompanied by other land use activities that have led to straightened, confined channels. In simplified streams a few fish species have characteristically been favored whil

heterogeneous

Best Management Practices, Cumulative Effects, and Long-Term Trends in Fish Abundance in Pacific Norve effects of past forest practices and probably has contributed to significant changes in fish communities, particularly when accompanied by other land use activities that have led to straightened, confined channels. In simplified streams a few fish species have characteristically been favored whil